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Kahl, J.; van der Burgt, G.H.M.; Kusche, D.; Bügel, S.; Busscher, N.; Hallmann, E.; Kretzschmar, U.; Ploeger, A.; Rembialkowska , E.; Huber, M.. |
Better regulatory guidelines, improved testing methods, and additional research into product quality criteria are needed to further develop the European organic food market. |
Tipo: Journal paper |
Palavras-chave: Food security; Food quality and human health. |
Ano: 2010 |
URL: http://orgprints.org/19126/4/19126.pdf |
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Mark, A.B.; Kápolna, E.; Laursen, K.; Halekoh, U.; Rasmussen, S.K.; Husted, S.; Larsen, E.H.; Bügel, S.. |
Organic foods have been repeatedly claimed to have a superior nutrient content. However, effects of production method on absorption of nutrients in vivo remains understood. Our aim was to investigate the effects of organic and conventional diets on intake and absorption of zinc and copper in humans. A double-blind, cross-over, intervention trial (3 dietary periods of 12 days, separated with 2-week-long wash-out periods) was performed in 2008 (n=17) and 2009 (n=16) in young men. The diets were based on 9 crops grown in 2 organic and 1 conventional systems in 2 replications over 2 years. Primary outcomes were intake and apparent absorption of zinc and copper. The absorption was determined by fecal excretion of stable enriched isotopes extrinsically added... |
Tipo: Journal paper |
Palavras-chave: Food security; Food quality and human health. |
Ano: 2011 |
URL: http://orgprints.org/19128/3/19128.pdf |
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Huber, M.; Rembiałkowska, E.; S´rednicka, R.; Bügel, S.; van de Vijver, L.. |
a framework for estimating the scientific impact of these studies. Furthermore, the problems connected with the different research approaches are being discussed. A number of comparative studies showed lower nitrate contents and less pesticide residues, but usually higher levels of vitamin C and phenolic compounds in organic plant products, as well as higher levels of omega-3 fatty acids and conjugated linoleic acid in milk from organically raised animals. However, the variation in outcomes of comparative studies is very high, depending on plant fertilization, ripening stage and plant age at harvest, and weather conditions. Moreover, there appeared no simple relationship between nutritional value and health effects. It is difficult therefore to draw... |
Tipo: Journal paper |
Palavras-chave: Food security; Food quality and human health. |
Ano: 2011 |
URL: http://orgprints.org/19127/2/19127.pdf |
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