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  • 201.
    Rehnstam-Holm, Ann-Sofi
    et al.
    Kristianstad University, Faculty of Natural Science, Research environment Man & Biosphere Health (MABH). Kristianstad University, Faculty of Natural Science, Avdelningen för miljö- och biovetenskap.
    Axelsson, Carolina
    Kristianstad University, Faculty of Natural Science, Research environment Man & Biosphere Health (MABH). Kristianstad University, Faculty of Natural Science, Avdelningen för miljö- och biovetenskap.
    Forskningsanknuten grundutbildning: utbildningsanknuten forskning?2018In: Man and Biosphere Health: en komplett akademisk miljö / [ed] Ann-Sofi Rehnstam-Holm, Kristianstad: Högskolan Kristianstad , 2018, p. 8-15Chapter in book (Other academic)
    Abstract [sv]

    Begreppet forskningsanknuten utbildning kan definieras på ett flertal sätt. Idealt ska studenterna inom sin utbildning stöta på forskning genom att få kännedom om aktuell forskning och vara praktiskt involverade i forskningsprojekt. För att detta ska uppnås bör majoriteten av lärarna vara forskningsaktiva inom för utbildningen relevanta områden och att ett vetenskapligt förhållningssätt till kunskap förmedlar på bästa pedagogiska sätt också detta förankrat i forskning. I den här artikeln ger vi exempel på hur studenter har involverats i våra forskningsprojekt både på högskolan, på universitetssjukhuset i Lund och vid internationella universitet och forskningsstationer.

  • 202.
    Rodriguez-Navas, Carlos
    et al.
    Danmark.
    Björklund, Erland
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Plattformen för molekylär analys. Kristianstad University, Faculty of Natural Science, Avdelningen för miljö- och biovetenskap. Kristianstad University, Faculty of Natural Science, Research environment MoLab.
    Halling-Sørensen, Bent
    Danmark.
    Hansen, Martin
    Danmark.
    Biogas final digestive byproduct applied to croplands as fertilizer contains high levels of steroid hormones2013In: Environmental Pollution, ISSN 0269-7491, E-ISSN 1873-6424, Vol. 180, p. 368-371Article in journal (Refereed)
    Abstract [en]

    In this study we evaluate and demonstrate the occurrence of nine natural and one synthetic steroid hormone, including estrogens, androgens and progestagens in biogas final digestate byproduct (digestion liquid) commonly used as an agricultural fertilizer. We investigated two biogas sites that utilize different anaerobic digestion technologies (mesophilic and thermophilic) from swine manure and other organic wastes. Individual hormone concentration levels were observed up to 1478 ng g−1 dry weight or 22.5 mg kg−1 N with estrone and progesterone reaching highest concentration levels. Evaluation of the potential environmental burden through the application in agriculture was also assessed on the basis of predicted environmental concentrations. This study indicates that the biogas digestion process does not completely remove steroid hormones from livestock manure and use of final digestate byproduct on croplands contributes to the environmental emission of hormones.

  • 203.
    Rothenberg, Elisabet
    Kristianstad University, Faculty of Natural Science, Research Environment Food and Meals in Everyday Life (MEAL). Kristianstad University, Faculty of Natural Science, Avdelningen för mat- och måltidsvetenskap.
    Kostens roll för den psykiska hälsan under åldrandet2018In: Äldre i centrum, Vol. 4, p. 36-38Article in journal (Other (popular science, discussion, etc.))
    Abstract [sv]

    Det finns flera intressanta samband mellan kostvanor och mental hälsa, men många frågor är fortfarande obesvarade. Att äta fisk och fiberrika livsmedel tycks dock vara viktigt för att bibehålla kognitiv funktion.

  • 204.
    Rothenberg, Elisabet
    Kristianstad University, Forskningsmiljön Mat, måltid, hälsa i 24-timmarsperspektivet. Kristianstad University, Faculty of Natural Science, Research Environment Food and Meals in Everyday Life (MEAL). Kristianstad University, School of Education and Environment, Avdelningen för Humanvetenskap.
    Särskilda näringsbehov hos sköra äldre2018In: Nordisk Nutrition, no 1, p. 8-10Article in journal (Other academic)
    Abstract [sv]

    Majoriteten av dagens äldre är långt upp i åren generellt vid god hälsa, men med stigande ålder minskar kroppens marginaler och risken att drabbas av sjukdom ökar betydligt. Till följd av sjukdom ökar också risken att utveckla undernäring som en konsekvens av inflammationsdriven muskelnedbrytning, vanligen i kombination med minskad aptit och inte sällan också fysiska och kognitiva funktionsnedsättningar. Tillsammans försvårar dessa förutsättningar förmågan att äta och därmed förmågan att täcka energi- och näringsbehovet. Bland sköra/sjuka äldre är därför mat- och näringsproblem vanliga.

  • 205.
    Rothenberg, Elisabet
    et al.
    Kristianstad University, Research Environment Food and Meals in Everyday Life (MEAL). Kristianstad University, Faculty of Natural Science, Avdelningen för mat- och måltidsvetenskap.
    Eriksson, Ulrika
    Univ Gothenburg.
    Samuelsson, Jessica
    Univ Gothenburg.
    Cross-sectional comparison of diet and anthropometry in 70-year-olds over 45 years and 5 birth cohorts2018In: Annals of Nutrition and Metabolism, ISSN 0250-6807, E-ISSN 1421-9697, Vol. 72, no 1, p. 68-69Article in journal (Other academic)
  • 206.
    Rothenberg, Elisabet
    et al.
    Kristianstad University, Forskningsmiljön Mat, måltid, hälsa i 24-timmarsperspektivet. Kristianstad University, Faculty of Natural Science, Research Environment Food and Meals in Everyday Life (MEAL). Kristianstad University, School of Education and Environment, Avdelningen för Humanvetenskap.
    Samelsson, J.
    Skoog, L.
    Zettergren, A.
    Associations of dietary intake, anthropometric measurements and depression among three birth cohorts of 70-year-olds examined 1992-20162018Conference paper (Other academic)
    Abstract [en]

    Associations of dietary intake, anthropometric measurements and depression among three birth cohorts of 70-year-olds examined 1992-2016 Authors: Jessica Samuelsson¹, Ingmar Skoog¹, Anna Zettergren¹, Elisabet Rothenberg², 1Neuropsychiatric Epidemiology Unit, Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, Sahlgrenska Academy, Centre for Ageing and Health (AGECAP) at the University of Gothenburg, Sweden. ² Food and Meal Science, Kristianstad University, Kristianstad, Sweden Abstract Objectives: To examine associations between dietary intakes, anthropometric measurements and depression among three samples of 70-year-olds examined 1992-93 (birth cohort 1922), 2000-02 (birth cohort 1930) and 2014-16 (birth cohort 1944). Methods: Data was derived from the Longitudinal Gerontological and Geriatric Population Study in Gothenburg, Sweden and the Population Study of Women in Gothenburg. A total of 1524 individuals participated in both the psychiatric and the dietary examination (60% women and 40 % men). Major depression was diagnosed according to the Diagnostic and Statistical Manual of Mental Disorders (DSM-5). Minor depression was diagnosed according to DSM-IV-TR research criteria. Dietary intake was determined by the diet history method, estimating food intake during the preceding three months. Height, body weight and BMI were also determined. Linear regressions were calculated and analyses were adjusted for gender. Results: In the 1992-93 examination (including only women) 19% were diagnosed with either major or minor depression, 13% (9% of the men and 15% of the women) in the 2000-02 examination were diagnosed with either major or minor depression and 8% (6 % of the men and 9% of the women) were diagnosed with either major or minor depression in the 2014-16 examination. There were no significant associations between depression and energy- and nutrient intake, height, weight and BMI among women examined 1992-93. There were significant associations between depression and higher energy-, carbohydrate- and iron intakes in the 2000-02 examination (≤p=0.05). There were a significant associations between depression and higher energy-, fat-, and calcium intakes in the 2014-16 examination (p=≤0,05). Conclusions: Preliminary results indicate that there could be an association between dietary intake and depression among older adults. Further analyses will be conducted examining the association between depression and dietary patterns, waist circumference, energy expenditure and physical activity. Analyses of longitudinal data will also be conducted on 85 year-olds examined 2016 (birth cohort 1930).

  • 207.
    Rothenberg, Elisabet
    et al.
    Kristianstad University, Forskningsmiljön Mat, måltid, hälsa i 24-timmarsperspektivet. Kristianstad University, Faculty of Natural Science, Research Environment Food and Meals in Everyday Life (MEAL). Kristianstad University, School of Education and Environment, Avdelningen för Humanvetenskap.
    Samuelsson, J.
    Zettergren, A.
    Ahlner, F.
    Skoog, L.
    Alcohol and dietary intake among 70-year-olds: Results from the Gothenburg H70 birth cohort studies2018In: Abstracts of the 40th ESPEN Congress, Madrid, Spain, 1-4 September 2018, Madrid, 2018, Vol. 37, article id P287Conference paper (Refereed)
    Abstract [en]

    ESPEN 2018 Abstract Submission Topic: Nutritional epidemiology Abstract Submission Identifier: ESPEN18-ABS-1511 ALCOHOL AND DIETARY INTAKE AMONG 70-YEAR-OLDS – RESULTS FROM THE GOTHENBURG H70 BIRTH COHORT STUDIES J. Samuelsson*, 1, A. Zettergren 1, E. Rothenberg 2, F. Ahlner 1, I. Skoog 1 1Neuropsychiatric Epidemiology Unit, Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, Sahlgrenska Academy, Centre for Ageing and Health (AGECAP) at the University of Gothenburg, Gothenburg, 2Food and Meal Science, Kristianstad University, Kristianstad, Sweden Rationale: A higher intake of alcohol has been associated with a lower quality of diet. There are indications that alcohol consumption is increasing in older adults, but studies examining the relation between alcohol and dietary patterns in older adults are limited. We aim to investigate the relation between diet quality and alcohol intake in two samples of 70-year-olds examined 2000-02 and 2014-16. Methods: Data was derived from the Gothenburg H70 Birth Cohort Studies and the Population Study of Women in Gothenburg, Sweden. A total of 1415 individuals participated in the dietary examinations (56% women). Alcohol and dietary intake was determined by the diet history method, estimating total food intake during the preceding three months. Determinants of a high quality diet and values of high and low alcohol intake were based on the Nordic Nutrition Recommendations 2012. Relations between alcohol consumption and dietary intake were investigated, within each birth cohort stratified by sex, using linear regressions adjusted for energy and BMI. Results: Alcohol intake has increased (p=< 0, 05), 15% of the women and 21% of the men had a higher alcohol intake in the 2000-02 examination and 33% of the women and 32% of the men had a higher intake in the 2014- 16 examination. There were less dietary intake differences in women within both birth cohorts, but the results indicate that men and women with a higher intake of alcohol had a higher intake of energy and fish/shellfish, but a lower intake of carbohydrates, fibre, fruits and vegetables, sweets and snacks (p=<0,05). Conclusions: Preliminary results support the notion that alcohol intake in older adults has increased, but results do not indicate that dietary intake overall is of lower quality in those with a higher intake of alcohol. Further analyses will be conducted and longitudinal data will be added. Disclosure of Interest: None Declared Keywords: alcohol, dietary pattern

  • 208.
    Rothenberg, Elisabet
    et al.
    Kristianstad University, Faculty of Natural Science, Research Environment Food and Meals in Everyday Life (MEAL). Kristianstad University, Faculty of Natural Science, Avdelningen för mat- och måltidsvetenskap.
    Wallin, Anneli Orrung
    Kristianstad University, School of Health and Society, Avdelningen för Sjuksköterskeutbildningarna. Kristianstad University, Faculty of Health Science, Avdelningen för sjuksköterskeutbildningarna och integrerad hälsovetenskap. Karolinska Institute .
    Forsberg, Sarah
    Kristianstad University, School of Education and Environment, Avdelningen för Mat- och måltidsvetenskap. Kristianstad University, Faculty of Natural Science, Research Environment Food and Meals in Everyday Life (MEAL).
    Klädd i äldres fysiska vardagsutmaningar: vad kan man lära?2018In: Högskolepedagogisk debatt, ISSN 2000-9216, no 2, p. 18-25Article in journal (Other academic)
  • 209.
    Rothman, Emma
    et al.
    Kristianstad University, Faculty of Natural Science.
    Erlandsson, Jakob
    Kristianstad University, Faculty of Natural Science.
    Potatisfibers inverkan på bröd: hur påverkas deg och bröd av potatisfiberns malningsgrad?2019Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Introduction: The potato fiber constitutes about 1 % of the weight of the potato and is a residual product in the manufacture of potato starch. Today, several well-known companies add potato fiber to their products. The main reason for this is because the fiber can bind liquid 7–12 times its own weight, which gives an economic advantage.

    Aim: The aim of this study is to investigate how the grind of potato fiber affects selected characteristics in dough and bread, with particularly focus on the storage stability of the bread.

    Method:

    • Pilot tests
    • Observations of dough characteristics
    • Measure of water exchange and bread volume
    • Instrumental color measurement with a colorimeter
    • Sensory evaluation of storage stability

     

    Results: Pilot tests with both grinds of potato fiber showed that when comparing pre-treatments such as scalding, soaking and direct addition into the dough, a direct addition resulted with the most advantages, mainly regarding the softness of the dough. During the observations there was a visible difference in color between the potato fiber loaves and the reference loaf, which was not ensured in the instrumental color measurement. The volume and water retention in the bread was not affected by an addition of potato fiber. The sensory evaluation showed a perceived dryness for bread with added potato fiber (both grinds), when tested against a reference bread. The finely ground fiber affected the storage stability more than the coarse grounded fiber did.

    Conclusion: The grind gave no notable differences on the selected properties of dough and bread. The impact that grind had on dough characteristics and the finished bread were small.

  • 210. Rydberg Sterner, Therese
    et al.
    Ahlner, Felicia
    Blennow, Kaj
    Dahlin-Ivanoff, Synneve
    Falk, Hanna
    Havstam Johansson, Lena
    Hoff, Maria
    Holm, Mathias
    Hörder, Helena
    Jacobsson, Tina
    Johansson, Boo
    Johansson, Lena
    Kern, Jürgen
    Kern, Silke
    Machado, Alejandra
    Mellqvist Fässberg, Madeleine
    Nilsson, Johan
    Ribbe, Mats
    Rothenberg, Elisabet
    Kristianstad University, Faculty of Natural Science, Research Environment Food and Meals in Everyday Life (MEAL). Kristianstad University, Faculty of Natural Science, Avdelningen för mat- och måltidsvetenskap.
    Rydén, Lina
    Sadeghi, André
    Sacuiu, Simona
    Samuelsson, Jessica
    Sigström, Robert
    Skoog, Johan
    Thorvaldsson, Valgeir
    Waern, Margda
    Westman, Eric
    Wetterberg, Hanna
    Zetterberg, Henrik
    Zetterberg, Madeleine
    Zettergren, Anna
    Östling, Svante
    Skoog, Ingmar
    The Gothenburg H70 Birth cohort study 2014-16: design, methods and study population.2019In: European Journal of Epidemiology, ISSN 0393-2990, E-ISSN 1573-7284, Vol. 34, no 2, p. 191-209Article in journal (Refereed)
    Abstract [en]

    To improve health care for older persons, we need to learn more about ageing, e.g. identify protective factors and early markers for diseases. The Gothenburg H70 Birth Cohort Studies (the H70 studies) are multidisciplinary epidemiological studies examining representative birth cohorts of older populations in Gothenburg, Sweden. So far, six birth cohorts of 70-year-olds have been examined over time, and examinations have been virtually identical between studies. This paper describes the study procedures for the baseline examination of the Birth cohort 1944, conducted in 2014-16. In this study, all men and women born 1944 on specific dates, and registered as residents in Gothenburg, were eligible for participation (n = 1839). A total of 1203 (response rate 72.2%; 559 men and 644 women; mean age 70.5 years) agreed to participate in the study. The study comprised sampling of blood and cerebrospinal fluid, psychiatric, cognitive, and physical health examinations, examinations of genetics and family history, use of medications, social factors, functional ability and disability, physical fitness and activity, body composition, lung function, audiological and ophthalmological examinations, diet, brain imaging, as well as a close informant interview, and qualitative studies. As in previous examinations, data collection serves as a basis for future longitudinal follow-up examinations. The research gained from the H70 studies has clinical relevance in relation to prevention, early diagnosis, clinical course, experience of illness, understanding pathogenesis and prognosis. Results will increase our understanding of ageing and inform service development, which may lead to enhanced quality of care for older persons.

  • 211.
    Sanagavarapu, Kalyani
    et al.
    Lund University.
    Nüske, Elisabeth
    Germany.
    Nasir, Irem
    USA.
    Meisl, Georg
    England.
    Immink, Jasper N
    Lund University.
    Sormanni, Pietro
    England.
    Vendruscolo, Michele
    England.
    Knowles, Tuomas P J
    England.
    Malmendal, Anders
    Lund University.
    Cabaleiro-Lago, Celia
    Kristianstad University, Faculty of Natural Science, Avdelningen för miljö- och biovetenskap. Kristianstad University, Faculty of Natural Science, Research environment Man & Biosphere Health (MABH). Lund University.
    Linse, Sara
    Lund University.
    A method of predicting the in vitro fibril formation propensity of Aβ40 mutants based on their inclusion body levels in E. coli2019In: Scientific Reports, ISSN 2045-2322, E-ISSN 2045-2322, Vol. 9, no 1Article in journal (Refereed)
    Abstract [en]

    Overexpression of recombinant proteins in bacteria may lead to their aggregation and deposition in inclusion bodies. Since the conformational properties of proteins in inclusion bodies exhibit many of the characteristics typical of amyloid fibrils. Based on these findings, we hypothesize that the rate at which proteins form amyloid fibrils may be predicted from their propensity to form inclusion bodies. To establish a method based on this concept, we first measured by SDS-PAGE and confocal microscopy the level of inclusion bodies in E. coli cells overexpressing the 40-residue amyloid-beta peptide, Aβ40, wild-type and 24 charge mutants. We then compared these results with a number of existing computational aggregation propensity predictors as well as the rates of aggregation measured in vitro for selected mutants. Our results show a strong correlation between the level of inclusion body formation and aggregation propensity, thus demonstrating the power of this approach and its value in identifying factors modulating aggregation kinetics.

  • 212.
    Sandelin, Dasha
    Kristianstad University, Faculty of Natural Science.
    Stolthet eller fördom: en studie om svenska konsumenters attityd till svenska viner2019Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Introducion

    Southern Sweden is an emerging wine region. Two things have made wine growing possible on our latitude: slowly rising temperature and new crossings of hereditary grape varieties. Grapes is a culturally new product in the Swedish farming landscape, which requires an introductory period. Consumers in an emerging wine region are faced with a tough choice between more familiar, non-local wines and new locally produced wines. This work is aimed at researching Swedish consumers attitude towards locally produced wines.

    Background

    Despite the importance of understanding new markets, it is often assumed that local residents automatically accept local products. However, this is not always the case. Consumers' attitude to local wines in the emerging wine region is of great value to local wine producers, as their attitude affects whether positive information about new products will spread among potential customers.

    Purpose

    The purpose is to examine Swedish consumers' attitude to Swedish wines.

    Method

    Web survey

    Results

    Result shows that there are more women than men who have tasted Swedish wines. 47% of those who have tasted have positive attitude, 29% did not think it is woth the money and 13% did not like the taste.

    Conclusion

    The majority of respondents have a positive attitude towards Swedish wines.

  • 213.
    Schubert, Per
    et al.
    Malmö University.
    Jönsson, K. Ingemar
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Faculty of Natural Science, Research environment Man & Biosphere Health (MABH).
    Bramryd, Torleif
    Lund University.
    Johansson, Michael
    Lund University.
    Brink, Ebba
    Lund University.
    Wamsler, Christine
    Lund University .
    Palo, Thomas
    Swedish University of Agricultural Science .
    Beery, Thomas H.
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Faculty of Natural Science, Research environment Man & Biosphere Health (MABH).
    Ekelund, Nils
    Malmö University.
    Stålhammar, Sanna
    Lund University.
    Ekosystemtjänstbegreppet: en historisk tillbakablick och den förväntade rollen i svensk miljöpolicy.2017In: Urban utveckling och interaktion / [ed] Borén, T., Stockholm: Svenska Sällskapet för Antropologi och Geografi , 2017, p. 213-237Chapter in book (Other academic)
  • 214.
    Stenberg, Elin
    et al.
    Swedish University of Agricultural Sciences.
    Arnesson, A
    Swedish Universtity of Agricultural Sciences.
    Wallin, Karin
    Swedish University of Agricultural Sciences.
    Olsson, Viktoria
    Kristianstad University, Faculty of Natural Science, Research Environment Food and Meals in Everyday Life (MEAL). Kristianstad University, Faculty of Natural Science, Avdelningen för mat- och måltidsvetenskap.
    Wendin, Karin
    Kristianstad University, Faculty of Natural Science, Avdelningen för mat- och måltidsvetenskap. Kristianstad University, Faculty of Natural Science, Research Environment Food and Meals in Everyday Life (MEAL). University of Copenhagen.
    Karlsson, A.H.
    Swedish university of Agricultural Sciences.
    Arvidsson Segerkvist, Katarina
    Swedish University of Agricultural Sciences.
    How four typical Swedish production systems for lambs affect sensory attributes of the meat2018In: Proceedings 27th European Grassland Federation General Meeting: Sustainable Meat and Milk Production from Grasslands / [ed] B. Horan; M. O'Donovan; E. Kennedy; B. McCarthy;.J.A. Finn; B. O'Brien, 2018, Vol. 23, p. 780-782Conference paper (Refereed)
    Abstract [en]

    The aim of this study was to evaluate the effect of the four most typical producdon systems for Swedish lamb on sensory atrributes of meat, including appearance, texture, taste and flavour using an analytical panel. The experiment included four production treatments for weaned intact male lambs: (1) indoor fed with grass and clover silage ad libitum and 0.8 kg concentrate daily per lamb; (2) grazing on cultivated pasture with; or (3) without 0.3 kg concentrate supplementation daily per lamb; and (4) grazing on semi natura! pasture; eight lambs per producdon treatment were used. Feed radons, pasture height and live weight of the lambs were recorded. At slaughter, live weight, carcass conformation, fatness, pH and temperature decline in musde during 24 hoursafi:er slaughter were registered. Sensory and technological meat quality parameters were tested in cooked samples of M longissimus dorsi. Meat colour was not affected by treatment. Most sensor attributes were unaffected by producdon system hut for 'hay odour' and 'resistance to cutting; differences between the systems were manifested.

  • 215.
    Stenberg, Elin
    et al.
    Sveriges lantbruksuniversitet.
    Olsson, Viktoria
    Kristianstad University, Faculty of Natural Science, Research Environment Food and Meals in Everyday Life (MEAL). Kristianstad University, Faculty of Natural Science, Avdelningen för mat- och måltidsvetenskap.
    Wendin, Karin
    Kristianstad University, Faculty of Natural Science, Research Environment Food and Meals in Everyday Life (MEAL). Kristianstad University, Faculty of Natural Science, Avdelningen för mat- och måltidsvetenskap.
    Karlsson, Anders H.
    Sveriges lantbruksuniversitet.
    How four typical Swedish production systems for lambs affect sensory attributes of the meat2018In: 26th NJF Congress: agriculture for the Next 100 Years, 2018Conference paper (Other academic)
  • 216.
    Stenberg, Elin
    et al.
    Sveriges lantbruksuniversitet.
    Olsson, Viktoria
    Kristianstad University, Faculty of Natural Science, Research Environment Food and Meals in Everyday Life (MEAL). Kristianstad University, Faculty of Natural Science, Avdelningen för mat- och måltidsvetenskap.
    Wendin, Karin
    Kristianstad University, Faculty of Natural Science, Research Environment Food and Meals in Everyday Life (MEAL). Kristianstad University, Faculty of Natural Science, Avdelningen för mat- och måltidsvetenskap.
    Karlsson, Anders, H.
    Sveriges lantbruksunivesitet.
    Arvidssson Segerkvist, Karatina
    Sveriges lantbruksuniversitet.
    How four typical Swedish production systems for lambsaffect sensory attributes of the meat2018In: : Quality and integrity for global consumers, 2018Conference paper (Other academic)
  • 217.
    Styrishave, Bjarne
    et al.
    Danmark.
    Pedersen, Kathrine Eggers
    Danmark.
    Clarke, Olivier
    Danmark.
    Hansen, Martin
    Danmark.
    Björklund, Erland
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Plattformen för molekylär analys. Kristianstad University, Faculty of Natural Science, Avdelningen för miljö- och biovetenskap. Kristianstad University, Faculty of Natural Science, Research environment MoLab. University of Copenhagen.
    Sonne, Christian
    Danmark.
    Dietz, Rune
    Danmark.
    Steroid hormones in multiple tissues of East Greenland polar bears (Ursus maritimus)2017In: Polar Biology, ISSN 0722-4060, E-ISSN 1432-2056, Vol. 40, no 1, p. 37-49Article in journal (Refereed)
    Abstract [en]

    The polar bear (Ursus maritimus) is threatened by climate changes and also from persistent organic pollutants affecting polar bear endocrinology governing growth and reproduction. To provide further insight into basic polar bear endocrinology, we determined the levels of steroids in multiple tissues and plasma from East Greenland polar bears. Tissue samples from 10 polar bears, 5 males (2 adults, 3 juveniles) and 5 females (all juveniles) were obtained from the Inuit hunt in Scoresby Sound during springtime. Eleven steroids: pregnenolone, 17-hydroxypregnenolone, progesterone, 17-hydroxyprogesterone, dehydroepiandrosterone, androstenedione, testosterone, dihydrotestosterone, estrone, 17 alpha-estradiol and 17 beta-estradiol were determined in brain, adrenal cortex, testis, testicular vein, plasma, and ovary using GC-MS/MS. In brain tissue, the neuroactive progestagen pregnenolone (11.9 +/- 4.4 ng/g ww) and dehydroepiandrosterone (2.26 +/- 0.43 ng/g ww) were found in high concentrations. Very high levels of testosterone and androstenedione were observed in testes (> 100 ng/g ww) and plasma from testicular vein (testosterone: 108 +/- 41 ng/ml; androstenedione: 35.2 +/- 11.1 ng/ml). Additionally, a strong correlation was found between the levels of steroids in testes and testicular vein plasma. Progestagens were found in very high levels in ovaries from juvenile females (> 100 ng/g ww). Finally, our study indicates that polar bears synthesize androstenedione via the a dagger-4 pathway. The present study adds new insight to our knowledge on polar bear endocrinology, which may be used in future studies on polar bear ecology and studies on some of the threats from pollution and climate changes that these animals are facing.

  • 218.
    Subedi, Bikram
    et al.
    Baylor University, Waco, USA.
    Aguilar, Lissette
    Baylor University, Waco, USA.
    Robinson, Eleanor M.
    Baylor University, Waco, USA.
    Hageman, Kimberley J.
    University of Otago, New Zealand.
    Björklund, Erland
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Plattformen för molekylär analys. Kristianstad University, Faculty of Natural Science, Avdelningen för miljö- och biovetenskap. Kristianstad University, Faculty of Natural Science, Research environment MoLab.
    Sheesley, Rebecca J.
    Baylor University, Waco, USA.
    Usenko, Sascha
    Baylor University, Waco, USA.
    Selective pressurized liquid extraction as a sample-preparation technique for persistent organic pollutants and contaminants of emerging concern2015In: TrAC. Trends in analytical chemistry, ISSN 0165-9936, E-ISSN 1879-3142, Vol. 68, p. 119-132Article in journal (Refereed)
    Abstract [en]

    Sample preparation represents about two-thirds of the cost of analysis and often presents logistical bottlenecks in analytical and environmental chemistry laboratories, so reducing our capacity and preparedness to quantify organic pollutants rapidly and accurately. Selective pressurized liquid extraction (SPLE) is an analytical technique that builds upon PLE by incorporating matrix-compound (i.e., interference) retainers into the extraction step, so reducing sample-preparation steps and increasing sample throughput. SPLE methods offer distinct advantages over traditional methods, namely reduction in the costs intrinsic to sample preparation (i.e., time, solvents, labor, laboratory space, training, and potential loss of analytes). The ability to analyze and to evaluate rapidly a large number of samples directly increases the analytical capacity and preparedness of a laboratory for certain situations (e.g., large-scale studies or environmental emergencies). We review the analytical improvements via SPLE and its wide-ranging applications.

  • 219.
    Svahn, Ola
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Plattformen för molekylär analys. Kristianstad University, Faculty of Natural Science, Research environment Man & Biosphere Health (MABH). Kristianstad University, Faculty of Natural Science, Research environment MoLab. Lund University.
    Tillämpad miljöanalytisk kemi för monitorering och åtgärder av antibiotika- och läkemedelsrester i Vattenriket2016Doctoral thesis, comprehensive summary (Other academic)
  • 220.
    Svahn, Ola
    et al.
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Plattformen för molekylär analys. Kristianstad University, Faculty of Natural Science, Research environment MoLab.
    Björklund, Erland
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Plattformen för molekylär analys. Kristianstad University, Faculty of Natural Science, Avdelningen för miljö- och biovetenskap. Kristianstad University, Faculty of Natural Science, Research environment MoLab.
    Describing sorption of pharmaceuticals to lake and river sediments, and sewage sludge from UNESCO Biosphere Reserve Kristianstads Vattenrike by chromatographic asymmetry factors and recovery measurements2015In: Journal of Chromatography A, ISSN 0021-9673, E-ISSN 1873-3778, Vol. 415, p. 73-82Article in journal (Refereed)
    Abstract [en]

    Over the past 30 years a vast number of studies have demonstrated the presence of pharmaceutical residues in the environment. But still knowledge is scarce regarding the interaction of these emerging pollutants with various matrices in nature. A chromatographic system with on-line detection was developed to perform a sorption study of six selected pharmaceuticals to four natural sediments and dewatered digested sewage treatment plant sludge with differing physicochemical characteristics. Sorption effects, measured as asymmetry factors and recoveries, differed pronouncedly among the pharmaceuticals and between the matrices, which could be explained by basic physicochemical properties of the investigated compounds in relation to matrix characteristics. Protonated and deprotonated molecular properties had the greatest importance for sorbate–sorbent interactions. Atenolol, with cationic properties, showed the highest degree of sorption regardless of the matrix studied. Diclofenac and furosemide, both acids, showed the least tendency towards interactions to natural matrices. Among the neutral compounds bendroflumethiazide, carbamazepine and oxazepam, weaker forces, such as van der Waals, aromatic electron donor–acceptor interactions, and hydrogen forces, seemed more important to determine sorption differences. Results revealed that sorption of pharmaceuticals on natural sediments decreased in the order: atenolol (+) > bendroflumethiazide > oxazepam > carbamazepine > diclofenac (−) > furosemide(–). The matrix content of organic matter measured as total organic carbon (TOC) clearly dictated drug sorption. Beside from studying matrix interaction, these results and the developed technique and methodology might find use in the development of new removal processes of pharmaceuticals from wastewater based on improved knowledge concerning chemical interactions to filter materials.

  • 221.
    Svahn, Ola
    et al.
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Plattformen för molekylär analys. Kristianstad University, Faculty of Natural Science, Research environment MoLab.
    Björklund, Erland
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Plattformen för molekylär analys. Kristianstad University, Faculty of Natural Science, Avdelningen för miljö- och biovetenskap. Kristianstad University, Faculty of Natural Science, Research environment MoLab.
    Extraction Efficiency of a Commercial Espresso Machine Compared to a Stainless-Steel Column Pressurized Hot Water Extraction (PHWE) System for the Determination of 23 Pharmaceuticals, Antibiotics and Hormones in Sewage Sludge2019In: Applied Sciences, E-ISSN 2076-3417, Vol. 9, no 7, article id 1509Article in journal (Refereed)
    Abstract [en]

    Two green chemistry extraction systems, an in-house stainless-steel column Pressurized Hot Water Extraction system (PHWE) and a commercially available Espresso machine were applied for analysing 23 active pharmaceutical ingredients (APIs) in sewage sludge. Final analysis was performed on UPLC-MS/MS using two different chromatographic methods: acid and basic. When analysing all 23 APIs in sewage sludge both extraction methods showed good repeatability. The PHWE method allowed for a more complete extraction of APIs that were more tightly bound to the matrix, as exemplified by much higher concentrations of e.g., ketoconazole, citalopram and ciprofloxacin. In total, 19 out of 23 investigated APIs were quantified in sewage sludge, and with a few exceptions the PHWE method was more exhaustive. Mean absolute recoveries of 7 spiked labelled APIs were lower for the PHWE method than the Espresso method. Under acid chromatographic conditions mean recoveries were 16% and 24%, respectively, but increased to 24% and 37% under basic conditions. The difference between the PHWE method and the Espresso method might be interpreted as the Espresso method giving higher extraction efficiency; however, TIC scans of extracts revealed a much higher matrix co-extraction for the PHWE method. Attempts were made to correlate occurrence of compounds in sewage sludge with chemical properties of the 23 APIs and there are strong indications that both the number of aromatic rings and the presence of a positive charge is important for the sorption processes to sewage sludge.

  • 222.
    Svahn, Ola
    et al.
    Kristianstad University, Plattformen för molekylär analys. Kristianstad University, Faculty of Natural Science, Avdelningen för miljö- och biovetenskap. Kristianstad University, Faculty of Natural Science, Research environment MoLab.
    Björklund, Erland
    Kristianstad University, Plattformen för molekylär analys. Kristianstad University, Faculty of Natural Science, Avdelningen för miljö- och biovetenskap. Kristianstad University, Faculty of Natural Science, Research environment MoLab.
    High flow-rate sample loading in large volume whole water organic trace analysis using positive pressure and finely ground sand as a SPE-column in-line filter2019In: Molecules, ISSN 1420-3049, E-ISSN 1420-3049, Vol. 24, no 7Article in journal (Refereed)
    Abstract [en]

    By using an innovative, positive pressure sample loading technique in combination with an in-line filter of finely ground sand the bottleneck of solid phase extraction (SPE) can be reduced. Recently published work by us has shown the proof of concept of the technique. In this work, emphasis is put on the SPE flow rate and method validation for 26 compounds of emerging environmental concern, mainly from the 1st and 2nd EU Watch List, with various physicochemical properties. The mean absolute recoveries in % and relative standard deviations (RSD) in % for the investigated compounds from spiked pure water samples at the three investigated flow rates of 10, 20, and 40 mL/min were 63.2% (3.2%), 66.9% (3.3%), and 69.0% (4.0%), respectively. All three flow rates produced highly repeatable results, and this allowed a flow rate increase of up to 40 mL/min for a 200 mg, 6 mL, reversed phase SPE cartridge without compromising the recoveries. This figure is more than four times the maximum flow rate recommended by manufacturers. It was indicated that some compounds, especially pronounced for the investigated macrolide molecules, might suffer when long contact times with the sample glass bottle occurs. A reduced contact time somewhat decreases this complication. A very good repeatability also held true for experiments on both spiked matrix-rich pond water (high and low concentrations) and recipient waters (river and wastewater) applying 40 mL/min. This work has shown that, for a large number of compounds of widely differing physicochemical properties, there is a generous flow rate window from 10 to 40 mL/min where sample loading can be conducted. A sample volume of 0.5 L, which at the recommended maximum flow rate speed of 10 mL/min, would previously take 50 min, can now be processed in 12 min using a flow rate of 40 mL/min. This saves 38 min per processed sample. This low-cost technology allows the sample to be transferred to the SPE-column, closer to the sample location and by the person taking the sample. This further means that only the sample cartridge would need to be sent to the laboratory, instead of the whole water sample, like today's procedure.

  • 223.
    Svahn, Ola
    et al.
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Plattformen för molekylär analys. Kristianstad University, Faculty of Natural Science, Research environment MoLab.
    Björklund, Erland
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Plattformen för molekylär analys. Kristianstad University, Faculty of Natural Science, Avdelningen för miljö- och biovetenskap. Kristianstad University, Faculty of Natural Science, Research environment MoLab.
    Increased electrospray ionization intensities and expanded chromatographic possibilities for emerging contaminants using mobile phases of different pH2016In: Journal of chromatography. B, ISSN 1570-0232, E-ISSN 1873-376X, Vol. 1033-1034, p. 128-137Article in journal (Refereed)
    Abstract [en]

    In this work the habitual behaviour of low pH in environmental organic trace analysis is challenged by investigating the full potential of building a multi-component UHPLC-ESI-MS/MS method adapted to cover common emerging contaminants of many different polarities, minimizing the elements of compromise in the performance of the final analytical separation and detection. Contributes have been made by taking advantage of common commercially available technology in understanding the impact from solvent components and the ionization of analytes which can facilitate future development of robust, sensitive and precise UHPLC-MS/MS methods. All contaminants were evaluated and optimized without prejudices regarding historical residence in terms of chromatographic conditions and ESI mode; increasing multi-method's flexibility that can be implemented in routine analysis in response to new requests as well as to emerging contaminants yet to be discovered. Our data strongly supports the questioning of the assumption that equilibrium concentrations of ions in solution reflect those produced during the electrospray process. ESI responses of [M+H](+) and limits of detection were comparable, or often better at high pH compared to acidic eluents. Presence of nitrogen basic groups such as tertiary and secondary amines in a compound increased the intensity of the ESI+ signal, and was even further elevated in basic eluent. The proton affinity probably changes for many nitrogen-containing compounds during the ionization process, making the gas-phase processes very important in generation of these ions by ESI+. There were also an unexpected large number of compounds showing their highest response at pH 7 and weak ionic strength. A flow optimized, buffert free, neutral UHPLC-MS/MS method enhanced the sensitivity for the environmental important synthetic hormone ethinyl estradiol significantly.

  • 224.
    Svahn, Ola
    et al.
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Plattformen för molekylär analys. Kristianstad University, Faculty of Natural Science, Research environment MoLab.
    Björklund, Erland
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Plattformen för molekylär analys. Kristianstad University, Faculty of Natural Science, Avdelningen för miljö- och biovetenskap. Kristianstad University, Faculty of Natural Science, Research environment MoLab.
    Interkalibrerad läkemedelsanalys 2017: ett samarbetsprojekt för ökad analyskvalité2017Report (Other academic)
    Abstract [sv]

    Läkemedelsverket gav i september 2015 ut en rapport med titeln ”Miljöindikatorer inom ramen för nationella läkemedelsstrategin (NLS)”. Rapporten indikerar bland annat stora kvalitetsbrister i tidigare utförda analyser av läkemedel i miljön under åren 2002-2013, men betonar också vikten av att samordna framtida nationella läkemedelsanalyser för att bättre använda våra offentliga resurser. I rapporten skriver man följande: ”Allra högst prioriterad ansåg arbetsgruppen att indikatorn ”mäta halter av läkemedelssubstanser i miljö” vara. Detta beroende på att det utöver att det är av stor vikt att följa utvecklingen av läkemedelsrester i miljön över tid för att utvärdera effekten av genomförda insatser, så ansåg arbetsgruppen att det finns stora möjligheter att optimera användningen av de offentliga resurserna genom en bättre samordning av mätningar i miljön. Många mätningar har gjorts historiskt av olika offentliga aktörer utan någon samordning.” Mot bakgrund av detta, och som svar på ett nationellt behov, åtog sig Högskolan Kristianstad (HKR) genom Ola Svahn och Erland Björklund, båda verksamma vid MoLab, Krinova Incubator and Science Park i Kristianstad, att leda denna interkalibreringsstudie för läkemedelsanalys i miljö-vattenprover av olika typ. Arbetet har skett på uppdrag av Havs- och Vattenmyndigheten som finansierat arbetet via bidrag ur havs- och vattenmiljöanslaget och i samarbete med fyra andra analyslaboratorier vid Umeå Universitet (UU), Sveriges Lantbruksuniversitet Uppsala (SLU), Svenska miljöinstitutet Stockholm (IVL) samt Aarhus Universitet Danmark (AU). Total deltog därmed 5 laboratorier, alla med tidigare erfarenhet av läkemedelsanalys i miljöprover.

  • 225.
    Svahn, Ola
    et al.
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Plattformen för molekylär analys. Kristianstad University, Faculty of Natural Science, Research environment MoLab.
    Björklund, Erland
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Plattformen för molekylär analys. Kristianstad University, Faculty of Natural Science, Avdelningen för miljö- och biovetenskap. Kristianstad University, Faculty of Natural Science, Research environment MoLab.
    Läkemedelsutsläpp från Skånska avloppsreningsverk 2017: ett uvecklings- och samarbetsprojekt på Högskolan Kristianstad i samarbete med Region Skåne och 6 skånska reningsverksaktörer2017Report (Other academic)
    Abstract [sv]

    I projektet LUSKA (Läkemedelsutsläpp från Skånska Avloppsreningsverk) deltog 6 olika reningsverksorganisationer,    geografiskt fördelade över hela Skåne; Höganäs, Klippan, Höör/Hörby, Svedala, Kristianstad och Simrishamn. Provtagning utfördes i april 2017 på fyra platser vid varje reningsverk. Tre av dessa platser valdes enligt förslag från Länsstyrelsen Skånes tillsynsvägledning; uppströms, nedströms och utgående vatten från reningsverket. Dessutom ingick en fjärde provpunkt bestående av inkommande vatten till reningsverken. I studien analyserades total 21 av 22 läkemedel enligt Läkemedelsverkets föreslagna lista på ämnen från 2015. Analysresultaten från de 8 avloppsreningsverken, samt tillhörande recipient i form av åar och sjöar visar tydligt att stora mängder läkemedel hamnar i våra omgivande skånska vatten varje år. Detta sker som en konsekvens av att reningsverken inte förmår rena läkemedelsutsläpp med befintlig teknik baserad på aktivt slam. Studien visade att de 8 reningsverken släpper ut minst 71 kg läkemedel varje år till skånska vatten enbart av dessa 21 ämnen. Den stora bulken av de uppmätta ämnena utgjordes av blodtryckssänkaren metoprolol och smärtstillaren diklofenak. Men även ämnen som karbamazepin, losartan, naproxen och oxazepam förekom i betydande koncentrationer i avloppsvattnet. Dessa ämnen innefattar flera läkemedelstyper och representerar tre generella och relativt vanliga sjukdomstillstånd som högt blodtryck, inflammation och smärta, samt depression och ångest. Baserat på resultaten i LUSKA-projektet kan man uppskatta att när ett reningsverk behandlar en miljon kubikmeter (1 000 000 m3) avloppsvatten passerar det samtidigt ut ca 4 kg av de 21 läkemedel som Läkemedelsverket tagit upp på sin övervakningslista. Enligt en grov beräkning, innefattande en majoritet av de skånska reningsverken, skulle detta innebära att nästan 600 kg kilo läkemedel läcker ut varje år från skånska reningsverk av Läkemedelsverkets föreslagna ämnen. Samtidigt måste man beakta att dessa 21 ämnen endast utgör en liten del av flera hundra läkemedelssubstanser som används för behandling av sjukdomar. Med stor sannolikhet läcker ett till flera ton läkemedel ut årligen i skånsk recipient. Mätningar i åar och sjöar visar att även om koncentrationerna sjunker nedströms verken som  en konsekvens av företrädesvis utspädning så finns det lokaler där koncentrationerna är an-märkningsvärt höga utifrån ett hållbarhetsperspektiv.

  • 226.
    Svahn, Ola
    et al.
    Kristianstad University, Plattformen för molekylär analys. Kristianstad University, Faculty of Natural Science, Avdelningen för miljö- och biovetenskap. Kristianstad University, Faculty of Natural Science, Research environment MoLab.
    Björklund, Erland
    Kristianstad University, Plattformen för molekylär analys. Kristianstad University, Faculty of Natural Science, Avdelningen för miljö- och biovetenskap. Kristianstad University, Faculty of Natural Science, Research environment MoLab.
    Simple, fast and inexpensive large "whole water" volume sample SPE-loading using compressed air and finely ground sand2019In: Analytical Methods, ISSN 1759-9660, E-ISSN 1759-9679, Vol. 11, no 7, p. 894-896Article in journal (Refereed)
    Abstract [en]

    In environmental trace analysis there is often a need to enrich the compounds of interest from a large sample volume, where the use of solid phase extraction (SPE) is more or less the standard technique. The presence of the sample matrix can cause clogging of the SPE-column, especially at the end of a sample load. Swedish surface waters are often humic rich making the use of traditional sample loading by a vacuum manifold very limited. This obstacle forced the development of a different sample loading technique, based on compressed air and sand as an in-line-filter, designed to load larger sample volumes as needed in trace level analysis of hormones in surface water. The developed technique, combined with a UPLC MS/MS method, showed promising reproducibility and accuracy, and enabled increased sensitivity for the analysis of hormones in humic rich surface water.

  • 227.
    Svahn, Ola
    et al.
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Plattformen för molekylär analys. Kristianstad University, Faculty of Natural Science, Research environment MoLab.
    Björklund, Erland
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Plattformen för molekylär analys. Kristianstad University, Faculty of Natural Science, Avdelningen för miljö- och biovetenskap. Kristianstad University, Faculty of Natural Science, Research environment MoLab.
    Thermal stability assessment of antibiotics in moderate temperature and subcriticalwater using a pressurized dynamic flow-through system2015In: International Journal of Innovation and Applied Studies, ISSN 2028-9324, Vol. 11, no 4, p. 872-880Article in journal (Refereed)
    Abstract [en]

    Thermal degradation of antibiotics has been studied for decades in a broad range of disciplines including food production, agriculture and analytical chemistry. Yet, there is a lack of thermal stability data for many antibiotics. Here we systematically investigated the thermal stability of ten commonly prescribed antibiotics applying a laborsaving automated inhouse pressurized dynamic flow-through system. The design of the system allowed a fast access to a large number of data at medium to subcritical water temperatures, ranging from 50-250 °C. The five ß-lactams cefadroxil, cefuroxime, amoxicillin, penicillin V, and penicillin G showed a high degree of stability with a maximum degradation of less than 30 % at 150 °C. The two quinolones ciprofloxacin and norfloxacin showed a very high thermal stability up to 200 °C, as did trimethoprim andsulfamethoxazole. At 250 °C all antibiotics were either partly of fully removed. The tetracycline doxycycline showed a specific removal pattern probably involving both binding to metal surfaces at lower temperatures as well as degradation at increased temperatures.

  • 228.
    Söderquist, Pär
    Kristianstad University, Faculty of Natural Science, Research environment Man & Biosphere Health (MABH). Kristianstad University, Faculty of Natural Science, Avdelningen för miljö- och biovetenskap.
    Large-scale releases of native species: the mallard as a predictive model system2015Doctoral thesis, comprehensive summary (Other academic)
    Abstract [en]

    Human alteration of natural systems, and its consequences are of great concern and the impact on global ecosystems is one of the biggest threats that biodiversity stands before. Translocations of invasive species, as well as intraspecific contingents with non-native genotypes, whether they are deliberate or unintentional, are one such alteration and its consequences are continuously being assessed. The mallard (Anas platyrhynchos) is the most numerous and widespread duck in the world and a flagship in wetland conservation. It is also an important game species which is heavily restocked for hunting purposes, especially in Europe where over three million ducklings are released every year. Because of its hunted status, its abundance, and the number of released individuals, it can serve as a model species to study effects of releases, both for conservation and restocking for hunting, on wild populations. In this thesis the status of the mallard was assessed in the Nordic countries and the effects of releases on the wild populations were studied by mining historical ringing data, comparing morphology of present-day wild, farmed, and historical mallards, and analyzing phylogeography of wild and farmed mallards in Europe. The status of the mallard population in the Nordic countries are generally good, however, a joint effort of European countries is needed to monitor and manage the population. A significant difference between wild and farmed mallards concerning longevity, migration, bill morphology and genetic structure was also found, together with signs of cryptic introgression of farmed genotypes in the wild population with potential fitness reduction as a result. The effect is however limited by that only a fraction of released farmed mallards reach the breeding season due to low survival. A natural captive environment is crucial to keep individuals wild-like with high survival rates after release. However, with an introgression of potentially maladapted farmed genotypes leading to a reduction in fitness, a low survival of released mallards would favor the wild population. A legislative change regarding obligation to report numbers, provenance, and release sites of farmed mallard should be considered, together with practical solutions of ringing and genetic monitoring of released mallards.

  • 229.
    Söderquist, Pär
    et al.
    Kristianstad University, Faculty of Natural Science, Research environment Man & Biosphere Health (MABH). Kristianstad University, Faculty of Natural Science, Avdelningen för miljö- och biovetenskap.
    Elmberg, Johan
    Kristianstad University, Faculty of Natural Science, Research environment Man & Biosphere Health (MABH). Kristianstad University, Faculty of Natural Science, Avdelningen för miljö- och biovetenskap.
    Gunnarsson, Gunnar
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Faculty of Natural Science, Research environment Man & Biosphere Health (MABH).
    Effekter av utsättningar av farmade änder ämnade för jakt2018In: Man and Biosphere Health –: en komplett akademisk miljö / [ed] Rehnstam-Holm, A.-S., Kristianstad: Högskolan Kristianstad , 2018, p. 41-47Chapter in book (Other academic)
    Abstract [sv]

    I över 40 år har det i Sverige pågått ett storskaligt, ekologiskt experiment där hundratusentals gräsänder årligen har fötts upp i fångenskap och satts ut i våtmarker för att öka på den jaktbara populationen. Genom uppfödning i fångenskap riskerar man att de farmade gräsänderna blir annorlunda gentemot de vilda. För att studera effekterna på den vilda populationen av dessa utsättningar startades 2010 ett doktorandprojekt finansierat av Naturvårdsverket. Projektet kom fram till att farmade änder skiljer sig i beteende och utseende mot de vilda. Det går även att genetiskt skilja på farmade och vilda gräsänder. Ett nytt projekt startades 2017 för att vidare studera effekter av utsättningar, nu även på miljön och den biologiska mångfalden där änderna sätts ut. Projekten om effekter av utsättningar av farmade änder involverar forskare från olika lärosäten i Sverige, men också från flera olika europeiska länder. Ett nära samarbete med olika lokala privata aktörer som uppfödare, markägare, jägare och viltmästare samt större organisationer somViltmästareförbundet och Svenska Jägareförbundet är avgörande för projektens framgång. Att kommuniceraresultaten på så väl vetenskapliga konferenser som för icke akademiker involverade i projekten samt i undervisning på Högskolan Kristianstad och på gymnasieskolor har hela tiden varit en målsättning. Projekten har också en tydlig plats i forskningsmiljön MABH vars kompetenser inom t.ex. vattenvård, sjukdomsspridning och landskapsutnyttjande kanknytas till projekten.

  • 230.
    Söderquist, Pär
    et al.
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap.
    Elmberg, Johan
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Research environment Man & Biosphere Health (MABH).
    Gunnarsson, Gunnar
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap.
    Thulin, C.-G.
    Champagnon, Jocelyn
    Guillemain, Matthieu
    Kreisinger, J.
    Prins, H
    Crooijmans, R.
    Kraus, R.
    Released game birds cause continent-wide introgression: a changing genetic landscape in European mallard (Anas platyrhynchos)Manuscript (preprint) (Other academic)
  • 231.
    Söderquist, Pär
    et al.
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Forskningsmiljön Man and Biosphere Health (MABH).
    Gunnarsson, Gunnar
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Forskningsmiljön Man and Biosphere Health (MABH).
    Elmberg, Johan
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Forskningsmiljön Man and Biosphere Health (MABH).
    Longevity and migration distance differ between wild and hand-reared mallards Anas platyrhynchos in Northern Europe2013In: European Journal of Wildlife Research, ISSN 1612-4642, E-ISSN 1439-0574, Vol. 59, no 2, p. 150-166Article in journal (Refereed)
    Abstract [en]

    The mallard Anas platyrhynchos is the world’s most widespread and numerous dabbling duck. It is also farmed and released to the wild by the millions each year, but the effects of this on wild populations remain little studied. By using historical national ringing–recovery data from Sweden and Finland, we here address three predictions based on previous studies: (1) longevity is higher in wild than in hand-reared mallards, (2) wild mallards migrate longer than hand-reared, and (3) migration distance in wild ducks surviving long enough to start fall migration has decreased over the last 50 years. Indeed, wild mallards lived longer than hand-reared (19 versus 9 months in Swedish birds and 13 versus 4 months in Finnish birds). Compared to wild mallards, a smaller proportion of hand-reared birds survived long enough to have the chance to enter the wild breeding population; less than 25 % of the Swedish birds and less than 10 % of the Finnish birds lived a year or longer. Wild birds migrated farther than hand-reared (mean distance in Swedish birds, 676 versus 523 km; in Finnish birds, 1,213 versus 157 km), a pattern caused by both shorter life span and lower migration speed in hand-reared birds. Mean migration distance in wild Swedish mallards was 787 km in 1947–1972 but 591 km in 1977–1993. This difference was not statistically significant, though, possibly due to the limited sample size and lack of data from the last two decades. In general, our study provides a conservative test of the predictions addressed, calling for more research about the consequences of restocking duck populations.

  • 232.
    Söderquist, Pär
    et al.
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Research environment Man & Biosphere Health (MABH).
    Norrström, Joanna
    Kristianstad University, School of Education and Environment.
    Elmberg, Johan
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Research environment Man & Biosphere Health (MABH).
    Guillemain, Matthieu
    Office National de la Chasse et de la Faune Sauvage, CNERA Avifaune Migratrice, La Tour du Valat, Le Sambuc, Arles.
    Gunnarsson, Gunnar
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Research environment Man & Biosphere Health (MABH).
    Wild mallards have more ‘‘goose-like’’ bills than their ancestors: a case of anthropogenic influence?2014In: PLoS ONE, ISSN 1932-6203, E-ISSN 1932-6203, Vol. 9, no 12, article id e115143Article in journal (Refereed)
    Abstract [en]

    Wild populations of the world’s most common dabbling duck, the mallard (Anas platyrhynchos), run the risk of genetic introgression by farmed conspecifics released for hunting purposes. We tested whether bill morphology of free-living birds has changed since large-scale releases of farmed mallards started. Three groups of mallards from Sweden, Norway and Finland were compared: historical wild (before large-scale releases started), present-day wild, and present-day farmed. Higher density of bill lamellae was observed in historical wild mallards (only males). Farmed mallards had wider bills than present-day and historical wild ones. Present-day wild and farmed mallards also had higher and shorter bills than historical wild mallards. Present-day mallards thus tend to have more “goose-like” bills (wider, higher, and shorter) than their ancestors. Our study suggests that surviving released mallards affect morphological traits in wild population by introgression. We discuss how such anthropogenic impact may lead to a maladapted and genetically compromised wild mallard population. Our study system has bearing on other taxa where large-scale releases of conspecifics with ‘alien genes’ may cause a cryptic invasive process that nevertheless has fitness consequences for individual birds.

  • 233.
    Teljega, Marijana
    Kristianstad University, Faculty of Natural Science, Avdelningen för datavetenskap.
    Automatic Control of a Window Blind using EEG signals2018Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    This thesis uses one of Brain Computer Interface (BCI) products, NeuroSky headset, to design a prototype model to control window blind by using headset’s single channel electrode. Seven volunteers performed eight different exercises while the signal from the headset was recorded. The dataset was analyzed, and exercises with strongest power spectral density (PSD) were chosen to continue to work with. Matlabs spectrogram function was used to divide the signal in time segments, which were 0.25 seconds. One segment from each of these eight exercises was taken to form different combinations which were later classified.The classification result, while using two of proposed exercises (tasks) was successful with 97.0% accuracy computed by Nearest Neighbor classifier. Still, we continued to investigate if we could use three or four thoughts to create three or four commands. The result presented lower classification accuracy when using either 3 or 4 command thoughts with performance accuracy of 92% and 76% respectively.Thus, two or three exercises can be used for constructing two or three different commands.

  • 234.
    Tognon, Gianluca
    et al.
    University of Gothenburg.
    Rothenberg, Elisabet
    Kristianstad University, Faculty of Natural Science, Research Environment Food and Meals in Everyday Life (MEAL). Kristianstad University, School of Education and Environment, Avdelningen för Mat- och måltidsvetenskap.
    Petrolo, Martina
    University of Gothenburg.
    Sundh, Valter
    University of Gothenburg.
    Lissner, Lauren
    University of Gothenburg.
    Dairy product intake and mortality in a cohort of 70-year-old Swedes: a contribution to the Nordic diet discussion2017In: European Journal of Nutrition, ISSN 1436-6207, E-ISSN 1436-6215, Vol. 57, no 8, p. 2869-2876Article in journal (Refereed)
    Abstract [en]

    INTRODUCTION: Conflicting results in the literature exist on the role of dairy products in the context of a Nordic Healthy Diet (NHD). Two recent Swedish studies indicate both negative and positive associations with total mortality when comparing key dairy products. There is no consensus about how to include these foods into the NHD.

    PURPOSE: To study consumption of cheese and milk products (milk, sour milk and unsweetened yoghurt) by 70-year-old Swedes in relation to all-cause mortality.

    METHODS: Cox proportional hazard models, adjusted for potential confounders and stratified by follow-up duration, were used to assess the prediction of all-cause mortality by the above foods. The associations of fat from cheese and milk products with mortality were tested in separate models.

    RESULTS: Cheese intake inversely predicted total mortality, particularly at high protein intakes, and this association decreased in strength with increasing follow-up time. Milk products predicted increased mortality with stable HRs over follow-up. The association between milk products and mortality was strongly influenced by the group with the highest consumption. Fat from cheese mirrored the protective association of cheese intake with mortality, whereas fat from milk products predicted excess mortality, but only in an energy-adjusted model.

    CONCLUSION: Based on our results, it may be argued that the role of dairy products in the context of a Nordic healthy diet should be more clearly defined by disaggregating cheese and milk products and not necessarily focusing on dairy fat content. Future epidemiological research should consider dairy products as disaggregated food items due to their great diversity in health properties.

  • 235.
    Trinks, Anna
    et al.
    Jönköping University.
    Hägglin, Catharina
    Gothenburg University.
    Dennis, Nordvall
    Gothenburg University.
    Rothenberg, Elisabet
    Kristianstad University, Faculty of Natural Science, Research Environment Food and Meals in Everyday Life (MEAL). Kristianstad University, Faculty of Natural Science, Avdelningen för mat- och måltidsvetenskap.
    Wijk, Helle
    Gothenburg University.
    The impact of a national quality register in the analysis of risks and adverse events among older adults in nursing homes and hospital wards: a Swedish senior Alertsurvey2018In: Safety in Health, ISSN 2056-5917, Vol. 4, no 10Article in journal (Refereed)
    Abstract [en]

    Background: The proportion of elderly in the population in Sweden is increasing. Older adults are more vulnerable to disease and disability which in turn increases the prevalence of negative events as pressure ulcers, malnutrition,falls, and oral health problems.

    Methods: By using Senior Alert (SA), a quality registry for care prevention, analyze data concerning risks and adverse events and show the potential of the register for quality improvement and research in nursing homes and hospitals.

    Results: There are differences in the prevalence of pressure ulcers and weight loss in nursing homes compared to hospitals, explained by different risk scores in the assessment tools used as well as differences in the populations with regard to age and days to follow-up. Falls are more prevalent in nursing homes. Fall prevalence decreases more with higher pressure ulcer risk due to factors such as degree of mobility; the fall prevalence decreases for even higher pressure ulcer risk.

    Conclusions: The team around the older person needs a more inter-professional profile including healthcare such as physiotherapists, occupational therapists, dietitians, and dental health professionals.

    Trial registration: The study is an observational retrospective register-based study, using data from SA during 2015

  • 236. Van der Mei, Rob
    et al.
    Van den Berg, Hans
    Ganchev, Ivan
    Tutschku, Kurt
    Leitner, Philipp
    Lassila, Pasi
    Burakowski, Wojciech
    Liberal, Fidel
    Arvidsson, Åke
    Kristianstad University, Faculty of Natural Science, Avdelningen för datavetenskap. Peter Key.
    Hoβfeld, Tobias
    Wac, Katarzyna
    Melvin, Hugh
    Galinac Grbac, Tihana
    Yoram, Haddad
    Key, Peter
    State of the art and research challenges in the area of autonomous control for a reliable internet of services2018In: Autonomous control for a reliable internet of services: methods, models, approaches, techniques, algorithms, and tools / [ed] Ivan Ganchev, R. D. van der Mei, Hans van den Berg, Springer Open , 2018, p. 1-22Chapter in book (Other academic)
    Abstract [en]

    The explosive growth of the Internet has fundamentally changed the global society. The emergence of concepts like service-oriented architecture (SOA), Software as a Service (SaaS), Platform as a Service (PaaS), Infrastructure as a Service (IaaS), Network as a Service (NaaS) and Cloud Computing in general has catalyzed the migration from the information-oriented Internet into an Internet of Services (IoS). This has opened up virtually unbounded possibilities for the creation of new and innovative services that facilitate business processes and improve the quality of life. However, this also calls for new approaches to ensuring quality and reliability of these services. The goal of this book chapter is to first analyze the state-of-the-art in the area of autonomous control for a reliable IoS and then to identify the main research challenges within it. A general background and high-level description of the current state of knowledge is presented. Then, for each of the three subareas, namely the autonomous management and real-time control, methods and tools for monitoring and service prediction, and smart pricing and competition in multi-domain systems, a brief general introduction and background are presented, and a list of key research challenges is formulated.

  • 237.
    Wallenbeck, A
    et al.
    Sveriges lantbruksuniversitet.
    Olsson, Viktoria
    Kristianstad University, Faculty of Natural Science. Kristianstad University, Faculty of Natural Science, Research Environment Food and Meals in Everyday Life (MEAL).
    Yngvesson, Jenny
    Sveriges lantbruksuniversitet.
    Gunnarsson, S
    Sveriges lantbruksuniversitet.
    Ekologiska kycklingar: lyckliga och lyckade?2018Conference paper (Other (popular science, discussion, etc.))
  • 238.
    Wang, Qinghua
    Kristianstad University, Faculty of Natural Science, Avdelningen för datavetenskap.
    Lightweight session: key establishment for the internet of things2018Conference paper (Refereed)
  • 239.
    Wang, Qinghua
    et al.
    Kristianstad University, Faculty of Natural Science, Avdelningen för datavetenskap.
    Huang, Xin
    England.
    Mengistu, Dawit
    Kristianstad University, Faculty of Natural Science, Avdelningen för datavetenskap. dawit.mengistu@hkr.se .
    Session key agreement for end-to-end security in time-synchronized networks2018Conference paper (Other academic)
  • 240.
    Weisser, Johan J.
    et al.
    Danmark.
    Hansen, Martin
    Danmark.
    Björklund, Erland
    Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Plattformen för molekylär analys. Kristianstad University, Faculty of Natural Science, Avdelningen för miljö- och biovetenskap. Kristianstad University, Faculty of Natural Science, Research environment MoLab.
    Sonne, Christian
    Danmark.
    Dietz, Rune
    Danmark.
    Styrishave, Bjarne
    Danmark.
    A novel method for analysing key corticosteroids in polar bear (Ursus maritimus) hair using liquid chromatography tandem mass spectrometry2016In: Journal of chromatography. B, ISSN 1570-0232, E-ISSN 1873-376X, Vol. 1017, p. 45-51Article in journal (Refereed)
    Abstract [en]

    This paper presents the development and evaluation of a methodology for extraction, clean-up and analysis of three key corticosteroids (aldosterone, cortisol and corticosterone) in polar bear hair. Such a methodology can be used to monitor stress biomarkers in polar bears and may provide as a useful tool for long-term and retrospective information. We developed a combined pressurized liquid extraction (PLE)-solid phase extraction (SPE) procedure for corticosteroid extraction and clean-up followed by high pressure liquid chromatography tandem mass spectrometry (HPLC-MS/MS) analysis. This procedure allows for the simultaneous determination of multiple steroids, which is in contrast to previous polar bear studies based on ELISA techniques. Absolute method recoveries were 81%, 75% and 60% for cortisol, corticosterone and aldosterone, respectively. We applied the developed method on a hair sample pooled from four East Greenland polar bears. Herein cortisol and corticosterone were successfully determined in levels of 0.32 +/- 0.02 ng/g hair and 0.13 +/- 0.02 ng/g hair, respectively. Aldosterone was below limit of detection (LOD<0.17 ng/g). The cortisol hair concentration found in these East Greenland polar bears was consistent with cortisol levels previously determined in the Southern Hudson Bay and James Bay in Canada using ELISA kits. (C) 2016 Elsevier B.V. All rights reserved.

  • 241.
    Wendin, Karin
    et al.
    Kristianstad University, Faculty of Natural Science, Research Environment Food and Meals in Everyday Life (MEAL). Kristianstad University, Faculty of Natural Science, Avdelningen för mat- och måltidsvetenskap.
    Birch, Karina
    Kristianstad University, Faculty of Natural Science.
    Olsson, Viktoria
    Kristianstad University, Faculty of Natural Science, Research Environment Food and Meals in Everyday Life (MEAL).
    Insects as food: a review of sustainability, nutrition and consumer attitudes2019In: Food and Society Proceedings / [ed] CardiffMet, Cardiff, 2019, p. 145-152Conference paper (Refereed)
    Abstract [en]

    Interest in the use of insects as food is increasing, not least because they are both nutritious and sustainable! Despite these factors, the vast majority of people, mostly in Western cultures, are reluctant to put insects into their mouths. In some European countries the use of insects as food is prohibited by law. The aim of this review is to give an overall insight into insects as food from the perspectives of sustainability, nutrition, consumer attitudes and European legislation.

  • 242.
    Wendin, Karin
    et al.
    Kristianstad University, Faculty of Natural Science, Research Environment Food and Meals in Everyday Life (MEAL). Kristianstad University, Faculty of Natural Science, Avdelningen för mat- och måltidsvetenskap.
    Birch, Karina
    Kristianstad University, Faculty of Natural Science, Avdelningen för mat- och måltidsvetenskap.
    Olsson, Viktoria
    Kristianstad University, Faculty of Natural Science, Research Environment Food and Meals in Everyday Life (MEAL). Kristianstad University, Faculty of Natural Science, Avdelningen för mat- och måltidsvetenskap.
    Äta insekter: nyttigt och hållbart, eller?2018In: nutritionsfakta.seArticle in journal (Other academic)
    Abstract [sv]

    Intresset för insekter som mat är stort, inte minst därför att de anses vara både nyttiga och klimatsmarta. Trots dessa argument är de allra flesta, främst i västerländska kulturer, tveksamma till att stoppa dem i munnen. Enligt svensk lagstiftning är de hittills förbjudna att använda som mat, åtminstone kommersiellt.

  • 243.
    Wendin, Karin
    et al.
    Kristianstad University, Faculty of Natural Science, Research Environment Food and Meals in Everyday Life (MEAL). Kristianstad University, Faculty of Natural Science, Avdelningen för mat- och måltidsvetenskap.
    Blucher, AnnaLinnéuniversitetet.
    Mat och måltidsteknik för ett hälsosamt och oberoende åldrande2018Collection (editor) (Other academic)
    Abstract [sv]

    Att äta är något som för många är en självklar och till stora delar oreflekterad aktivitet. Mat är inte sällan en källa till glädje och samvaro, till gemenskapoch samhörighet. För andra är ätandet en daglig kamp, en kamp som inte bara innebär att få maten och drycken i munnen, att tugga och svälja, utan som också innebär en ständig strävan att försöka uppträda på ett sätt som överensstämmer med de kulturella och normativa aspekterna kring måltiden. En måltid handlar inte bara om maten på tallriken, utan också om matens sociala,fysiska och tidsmässiga inramning.

  • 244.
    Wendin, Karin
    et al.
    Kristianstad University, Faculty of Natural Science, Research Environment Food and Meals in Everyday Life (MEAL). Kristianstad University, Faculty of Natural Science, Avdelningen för mat- och måltidsvetenskap.
    Egan, Paul
    SLU.
    Olsson, Viktoria
    Kristianstad University, Faculty of Natural Science, Research Environment Food and Meals in Everyday Life (MEAL). Kristianstad University, Faculty of Natural Science, Avdelningen för mat- och måltidsvetenskap.
    Forsberg, Sarah
    Kristianstad University, School of Education and Environment, Avdelningen för Mat- och måltidsvetenskap. Kristianstad University, Faculty of Natural Science, Research Environment Food and Meals in Everyday Life (MEAL).
    Nilsson, Annika
    Kiviks Musteri.
    Stenberg, Johan
    SLU.
    Is there a best woodland strawberry (Fragaria vesca)?: a consumer survey of preferred sensory properties and cultivation characteristics of woodland strawberries2019In: International Journal of Gastronomy and Food Science, ISSN 1878-450X, E-ISSN 1878-4518, Vol. JulyArticle in journal (Refereed)
    Abstract [en]

    In order to guide strawberry breeders, consumers' preferences and attitudes regarding fruit traits and cultivation practices were investigated. Differences and similarities between consumers of different age and gender were also explored. Consumer data from a total of 176 Swedish respondents showed that the most important factors influencing the consumers' preferences were the characteristic flavour of the woodland strawberry, the sweetness and the naturalness. Regarding visual appearance, it was shown that colour intensity, roundness and seed density could explain why the consumers' preferences for the fruits varied. These results may guide the breeding of new strawberry cultivars in the future.

  • 245.
    Wendin, Karin
    et al.
    Kristianstad University, Faculty of Natural Science, Research Environment Food and Meals in Everyday Life (MEAL). Kristianstad University, Faculty of Natural Science, Avdelningen för mat- och måltidsvetenskap.
    Forsberg, Sarah
    Kristianstad University, Faculty of Natural Science, Research Environment Food and Meals in Everyday Life (MEAL).
    Olsson, Viktoria
    Kristianstad University, Faculty of Natural Science. Kristianstad University, Faculty of Natural Science, Research Environment Food and Meals in Everyday Life (MEAL).
    Nilsson, Annika
    Kiviks Musteri.
    Egan, Paul
    SLU.
    Stenberg, Johan
    SLU.
    Is there a best woodland strawberry (Fragaria vesca)?: a consumer survey of preferred sensory properties and cultivation characteristics of woodland strawberries2018Conference paper (Other academic)
    Abstract [en]

    Introduction       

    Resistant varieties are important to combat agricultural pathogens and pests in strawberry and other crops. Consequently, plant breeders aim to develop crop varieties with higher resistance in order to increase sustainability. However, plant resistance may affect quality, e.g. sensory properties of the fruits, and thereby consumer acceptance. The development of new varieties may also affect consumer attitudes.

    The purpose of this study was to investigate consumers’ preferences and attitudes regarding woodland strawberry.

    Methods

    Consumer data from a total number of 176 (78% women and 22% men, >18 years) Swedish respondents were collected via a web based survey during two weeks in September 2017. Data were processed using descriptive and analytical statistics.

    Results

    The most preferred fruits have a significant flavor of woodland strawberry and are high in sweetness. Further, “naturalness” and “free from pesticides” were of importance to the respondents. Women were significantly more concerned of “naturalness”, especially the older women. The younger claimed that “organic production” was more important.

    The older consumers were significantly more interested in “healthiness” than the younger, they also found it significantly more important than the younger that strawberries could resist grey mould and pest insects.

    All the respondents preferred to eat strawberries fresh.

    Discussion

    In line with earlier studies, taste and flavor are the most preferred properties for consumers. In woodland strawberry, the compound methyl anthranilate is responsible for the characteristic flavor of the fruit, together with sweetness from saccharides. However, also in accordance with earlier studies, factors such as naturalness, healthiness and organic production are of greatest importance to the consumer. Though it was also apparent that different consumer groups prioritized different factors. However, common for all respondents was a strong preference to eat strawberries fresh!

  • 246.
    Wendin, Karin
    et al.
    Kristianstad University, Faculty of Natural Science, Research Environment Food and Meals in Everyday Life (MEAL). Kristianstad University, Faculty of Natural Science, Avdelningen för mat- och måltidsvetenskap.
    Mårtensson, Lennart
    Kristianstad University, Faculty of Natural Science, Research environment Man & Biosphere Health (MABH). Kristianstad University, Faculty of Natural Science, Avdelningen för miljö- och biovetenskap.
    Sensory quality of drinking water in relation to chemical and microbiological composition2019In: 13th Pangborn Sensory Scinece Symposium, 2019Conference paper (Refereed)
    Abstract [en]

    It is well known that tap water tastes different due to where the water is tapped, ie its chemical and microbiological compositions. Taste competitions have been performed in different countries to find out the most preferred tap water. With some few exceptions, no studies have been performed in which the taste of tap water is objectively described by analytical sensory methods. The purpose of this study was to evaluate quality of Swedish drinking water from different dwells with emphasis on sensory, chemical and microbiological analyses.

     

    Tap water origin from surface water and from groundwater was collected from the Swedish municipalities Svalöv and Kristianstad. The water samples were collected in 3 points in each municipality: 1. waterworks; 2. near waterworks; 3. far from waterworks. In addition the commercial water Evian was included in the analyses. Analytical sensory analyses (triangle test and quantitative descriptive analysis) were performed along with chemical and microbiological standard analyses according to Swedish drinking water standards.

     

    The results from the triangle test showed significant sensory differences between tap water from surface water and groundwater, as well as in surface water samples collected in different points. The descriptive analysis showed large differences in the perception of bitterness, minerals and off flavours. The perceived differences are in line with earlier studies pointing out inorganic ions as responsible for the taste sensations. The chemical analyses showed that the major difference between the two types of tap water was a higher mineral content and higher alkalinity in the groundwater compared to the surface water. The microbiological analyses did not show any measurable concentrations in any of the samples. There is a need for further research of chemical and microbiological effects on the flavour of tap water, with focus on microorganisms and chemical compounds in low concentrations.

  • 247.
    Wendin, Karin
    et al.
    Kristianstad University, Faculty of Natural Science, Research Environment Food and Meals in Everyday Life (MEAL). Kristianstad University, Faculty of Natural Science, Avdelningen för mat- och måltidsvetenskap.
    Olshov, Anders
    Intelligence Watch.
    Allt fler i Skåne äter för mycket och fel. Hälften av Skånes befolkning är överviktig eller fet. Vi föreslår ett batteri av åtgärder2018In: Sydsvenska Dagbladet, ISSN 1652-814X, no 10 dec., p. A3-A3Article in journal (Other (popular science, discussion, etc.))
    Abstract [sv]

    I Skåne uppgår de direkta och indirekta samhällskostnaderna för fetma och övervikt i form av ökade vårdkostnader och förlorad produktion till ca 10 miljarder kronor per år.

  • 248.
    Wendin, Karin
    et al.
    Kristianstad University, Research Environment Food and Meals in Everyday Life (MEAL). Kristianstad University, Faculty of Natural Science, Avdelningen för mat- och måltidsvetenskap.
    Olshov, Anders
    Matmomsen måste höjas så att vi inte äter ihjäl oss2018In: Dagens Nyheter, ISSN 1101-2447, no 6 juniArticle in journal (Other (popular science, discussion, etc.))
    Abstract [sv]

    I somras blev de överviktiga och feta i Sverige i majoritet över normal­viktiga och smala personer. Utvecklingen är alarmerande både ur folkhälso- och miljösynpunkt. Vi föreslår höjd matmoms, skatt på kött, fett och socker och att intäkterna används till riktade satsningar för bättre mat bland annat i skolan, skriver Karin Wendin och Anders Olshov.

  • 249.
    Wendin, Karin
    et al.
    Kristianstad University, Research Environment Food and Meals in Everyday Life (MEAL). Kristianstad University, Faculty of Natural Science, Avdelningen för mat- och måltidsvetenskap.
    Olshov, Anders
    Äter vi ihjäl oss?: mattrender på tvärs mot hälsa och hållbarhet2018Report (Other academic)
    Abstract [sv]

    Idag äter vi så mycket att fler dör av fetma och övervikt än av undernäring. Konsekvenserna av människans växande aptit är enorma, inte bara för de individer som drabbas av fetma och dess följdsjukdomar som typ 2-diabetes och hjärt-kärlsjukdomar, utan också för växter, djur och klimat. Vi får i oss för mycket energi, vilket gör oss feta, och vi äter mer kött och fisk, vilket tär på jordens resurser. I Sverige har andelen överviktiga och feta ökat från 46 till 51 procent i åldersgruppen 16-84 år under tioårsperioden 2006-2016. De direkta och indirekta samhällskostnaderna för fetma och övervikt beräknas till 70 miljarder kronor av Folkhälsomyndigheten. Fortsätter fetman att öka i samma takt som under det senaste decenniet når kostnaderna 95 miljarder kronor om tio år, enligt myndigheten. Det skulle motsvara statens utgifter för rättsväsendet, försvar och samhällets krisberedskap. De globala årliga utgifterna relaterat till fetmaepidemin ligger på 18 000 miljarder kronor, runt 2,8 procent av hela världens samlade bruttonationalprodukt. Omkring fem procent av alla dödsfall globalt kan relateras till fetma. Fetma är även den enskilt största riskfaktorn för diabetes. Görs inget kan 1,4 miljarder vuxna (22 procent av alla vuxna) leva med fetma 2045 och 736 miljoner med diabetes (12 procent). Diabetesrelaterade hälsoutgifter skulle då stiga till över 8 000 miljarder kronor och orsaka stort individuellt lidande. I Sverige har köttkonsumtionen fördubblats sedan 1990 från 27 till 53 kilo per person och år och den totala konsumtionen från 230 till 527 miljoner kilo. Det följer en internationell trend där ekonomisk tillväxt och ökade disponibelinkomster ökar efterfrågan på kött och mejeriprodukter. Som följd tas allt större landarealer i anspråk och skövlas skog på andra håll i världen, minskar biodiversiteten och ökar utsläppen i form av växthusgaser från djur. Globalt ger utsläppen från matdjuren (kor, får, getter, grisar och kyckling) 6 miljarder ton växthusgaser per år, vilket motsvarar knappt en femtedel av det totala utsläppet av växthusgaser. Nästan hälften av all skog som en gång täckte jordens yta är borta. Grundvattenkällorna minskar då jordbruken använder stora vattenmängder. Cirka en tredjedel av fiskbestånden är överfiskade. Då jordens befolkning förväntas öka från dagens 7,6 miljarder till knappt 10 miljarder invånare år 2050 och livsmedels- och köttkonsumtionen samtidigt ökar skulle livsmedelsproduktionen, enligt FAO, behöva öka med 70 procent om maten ska räcka till alla. Det är svårt eftersom de areella resurserna och vattenresurserna är begränsade. Det är inte heller hållbart mot bakgrund av den globala uppvärmningen och andra hållbarhetsmål. Åtgärder för att skapa en hållbar livsmedelskonsumtion brådskar. Sänkningarna av matmomsen 1992 och 1996, EU-medlemskapet och den globala konkurrensen inom livsmedel har gjort mat billigare relativt andra varor. I kombination med ökade inkomster gör det att konsumenter lägger en allt mindre andel av hushållsbudgeten på matinköp och att de har råd att äta skadligt mycket. Höjd matmoms samt införande av kött-, fett- och sockerskatter är ekonomiska styrmedel som kan användas för att minska matkonsumtionen och valet av mat samtidigt som skatteintäkterna kan används till riktade satsningar för bättre skolmat, bättre måltider inom äldreomsorgen och till ekonomiskt svaga grupper.För att få till stånd en strukturell beteendeförändring måste samhället även på andra sätt ge medborgare och verksamheter incitament att agera i mer hälsosamma och miljövänliga riktningar. Det kan röra sig om informations- och utbildninginsatser, allmänna folkhälsoundersökningar, mer vegetariskt och mindre kött  i skolorna, införandet av ett licenssystem för att att få bort godis och läskförsäljningen från livsmedelsbutikerna, åtgärder för att minska matsvinnet och främjande av cykling och idrott. En rimlig ambition är att Sverige verkar för att bli en internationell förebild med världens friskaste folk.  

  • 250.
    Wendin, Karin
    et al.
    Kristianstad University, Faculty of Natural Science, Research Environment Food and Meals in Everyday Life (MEAL). Kristianstad University, Faculty of Natural Science, Avdelningen för mat- och måltidsvetenskap.
    Olsson, Viktoria
    Kristianstad University, Faculty of Natural Science, Research Environment Food and Meals in Everyday Life (MEAL). Kristianstad University, Faculty of Natural Science, Avdelningen för mat- och måltidsvetenskap.
    Forsberg, Sarah
    Kristianstad University, School of Education and Environment, Avdelningen för Mat- och måltidsvetenskap. Kristianstad University, Faculty of Natural Science, Research Environment Food and Meals in Everyday Life (MEAL).
    Gerberich, Johanna
    Kristianstad University, Faculty of Natural Science, Avdelningen för mat- och måltidsvetenskap. Kristianstad University, Faculty of Natural Science, Research Environment Food and Meals in Everyday Life (MEAL).
    Birch, Karina
    Kristianstad University, Faculty of Natural Science, Avdelningen för mat- och måltidsvetenskap. karina.birch@hkr.se .
    Berg, Johan
    RISE.
    Langton, Maud
    SLU.
    Davidsson, Fredrik
    Geoloc.
    Stuffe, Sofia
    Atria.
    Andersson, Peter
    Solina Group.
    Rask, Susanne
    Solina Group.
    Cedergardh, Fanny
    TetraPak.
    Jönsson, K. Ingemar
    Kristianstad University, Faculty of Natural Science, Research environment Man & Biosphere Health (MABH). Kristianstad University, Faculty of Natural Science, Avdelningen för miljö- och biovetenskap.
    Insects as food: a pilot study for industrial production2019In: 13th Pangborn Sensory Science Symposium, 2019Conference paper (Refereed)
    Abstract [en]

    Despite the many papers reporting on disgust factors of eating insects in Western cultures, the interest of insects as food is increasing, not least because they are nutritious, sustainable and tasty! The time has come to take the next step by making insects available not only as delicious restaurant food, but also for industrial production of foods and meals based on insects. The sensory attributes are of greatest importance to increase understanding of insects as a main ingredient in production and shelf life.

     

    By the use of factorial designs with mealworms as main ingredient, the aim was to evaluate the sensory impact of additions such as salt, oil/water and antioxidant agent. Also the impact of particle size of the mealworms was evaluated.

    Cooked fresh mealworms cut or ground into different particle sizes, oil, water, salt and rosemary were blended according to a factorial design. The resulting products were evaluated by descriptive sensory analysis in addition to instrumental measurements of viscosity and colour. Nutritional contents were calculated. 

    Results showed that particle size of the mealworms had a great impact, ie an increased particle size increased the yellowness and the perceived coarseness. Further, both viscosity and crispiness increased. An increased particle size also meant a decreased odour, probably due to decreased exposure of particle surface. Increased salt content did, as expected, increase saltiness. It also increased the nutty flavour, probably due to the polarity of Sodium Chloride. Different ratios of oil/water did not seem to impact the sensory properties. With reference to the anti-oxidative effects of carnosic acid and carnosol, addition of rosemary had a significant impact on shelf life in terms of decreased rancidity and colour changes. All samples were high in protein content.

     

    All factors, but especially particle size of the mealworm fraction, influenced the sensory attributes.

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