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Can agricultural cultivation methods influence the healthfulness of crops for foods Organic Eprints
Jensen, Maja M.; Jørgensen, Henry; Halekoh, Ulrich; Olesen, Jørgen E.; Lauridsen, Charlotte.
The aim of the current study was to investigate if there are any health effects of long-term consumption of organically grown crops using a rat model. Crops were retrieved over two years from along-term field trial at three different locations in Denmark, using three different cultivation systems(OA, organic based on livestock manure; OB, organic based on green manure; and C, conventional with mineral fertilizers and pesticides)with two field replicates. The cultivation system had an impact on the nutritional quality, affecting γ-tocopherol, some amino acids, and fatty acid composition. Additionally, the nutritional quality was affected by harvest year and location. However, harvest year and location rather than cultivation system affected the measured health...
Tipo: Journal paper Palavras-chave: Food security; Food quality and human health.
Ano: 2012 URL: http://orgprints.org/21074/1/21074.pdf
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Comparison between conventional and organic agriculture in terms of nutritional quality of food - a critical review Organic Eprints
Jensen, Maja M.; Jørgensen, Henry; Lauridsen, Charlotte.
The consumption of organic foods has been increasing over the last decades and organic products are becoming more visible on the market. Consumers perceive that organic foods are of better quality, more nutritious and healthier, and these perceptions are some of the main drivers of the organic market. Scientific research on organic foodstuffs is contradictory, and knowledge regarding the effect of cultivation system on the nutritive value and the possible relationship with human health could be further explored. Although some systematic differences in the nutritional content, i.e. nitrogen, protein, vitamin C, phosphorous and phenolic compounds of plant products grown under different cultivation systems have been observed, it is a difficult task to prove...
Tipo: Journal paper Palavras-chave: "Organics" in general Food security; Food quality and human health.
Ano: 2013 URL: http://orgprints.org/25314/7/25314.pdf
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Health biomarkers in a rat model after intake of organically grown carrots Organic Eprints
Jensen, Maja M.; Jørgensen, Henry; Halekoh, Ulrich; Watzl, Bernhard; Thorup-Kristensen, Kristian; Lauridsen, Charlotte.
BACKGROUND: Organic food is perceived as being of better quality and healthier than conventional foods although the scientific research on organic foodstuffs is highly contradictory. The aim of the present study was to investigate if an intake of carrots from four different cultivation systems grown in two consecutive years would influence various biomarkers of health in a rat model. All rats were fed a diet with 40% carrot content. The carrots were grown under conventional (C), “minimalistic” organic (O1), organic (O2), or “very” organic cultivation systems (O3). A control group (CO) being fed standard rat chow was included. RESULTS: The plasma α-tocopherol concentration was higher in the O2 carrot-based diet than in the C carrot based-diet in one year,...
Tipo: Journal paper Palavras-chave: "Organics" in general Food security; Food quality and human health.
Ano: 2012 URL: http://orgprints.org/19732/10/19732.pdf
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