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The antioxidant compounds in rat experimental diets based on plant materials from organic, low-input and conventional agricultural systems

Wiśniewska, MSc Katarzyna; Rembiałkowska, prof. Ewa; Hallmann, dr Ewelina; Rusaczonek, MSc Anna; Lueck, dr Lorna and Leifert, prof. Carlo (2008) The antioxidant compounds in rat experimental diets based on plant materials from organic, low-input and conventional agricultural systems. Speech at: Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

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Summary

Results presented in this paper are part of a study that investigates the effect of four production systems on health effects in rats. This study was aimed to evaluate differences in the levels of flavonols, total polyphenols, beta-carotene and lutein which are well known antioxidants in four rat feeds. Raw plant materials were produced according to four different agricultural systems: organic farming (without synthetic pesticides and mineral fertilizers), low-input 1 (organic plant protection was used in combination with mineral fertilizers), low input 2 (conventional pest management and organic fertilizers were used) and conventional farming (synthetic pesticides and mineral fertilizers were used). The results indicate that rat feed prepared from the organically produced plants contained more antioxidant compounds, especially total polyphenols, flavonols and lutein. Rat feed produced for feeding experiments varied significantly in a series of key phytochemicals and therefore have the potential to produce different health effects in the subsequent feeding trials.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Speech
Keywords:rat feed, organic, conventional, low input, polyphenols
Subjects: Food systems > Food security, food quality and human health
Research affiliation: International Conferences > 2008: IFOAM OWC: Research Track / ISOFAR > 4 QUALITY OF ORGANIC PRODUCTS
European Union > QualityLowInputFood > Subproject 2: Effects of production methods
Poland
International Conferences > 2008: IFOAM OWC: Research Track / ISOFAR
Deposited By: Rembialkowska, ass.prof. Ewa
ID Code:12324
Deposited On:10 Oct 2008
Last Modified:12 Apr 2010 07:36
Document Language:English
Status:Published
Refereed:Peer-reviewed and accepted
Additional Publishing Information:This paper is published in the conference proceedings:
Neuhoff, Daniel; Halberg, Niels; Alfldi, Thomas; Lockeretz, William; Thommen, Andreas; Rasmussen, Ilse A.; Hermansen, John; Vaarst, Mette; Lck, Lorna; Carporali, Fabio; Jensen, Henning Hgh; Migliorini, Paola and Willer, Helga, Eds. (2008) .Cultivating the Future Based on Science. Proceedings of the Second Scientific Conference of the International Society of Organic Agriculture Research (ISOFAR), held at the 16th IFOAM Organic World Congress in Cooperation with the International Federation of Organic Agriculture Movements (IFOAM) and the Consorzio ModenaBio, 18 . 20 June 2008 in Modena, Italy.. International Society of Organic Agriculture Research (ISOFAR), c/o IOL, DE-Bonn, Research Institute of Organic Agriculture FiBL, CH-Frick. http://orgprints.org/13672 and http://orgprints.org/13674

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