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A multidisciplinary approach to improve the quality of organic wheat-bread chain

Abecassis, Joël; David, Christophe; Fontaine, Laurence; Taupier-Létage, Bruno and Viaux, P. (2008) A multidisciplinary approach to improve the quality of organic wheat-bread chain. Poster 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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The main challenge for organic farmers, millers and bakers is to fulfill consumers’ expectations of providing healthy and safe products. The quality of organic grain can be modulated by agronomic modifications on genotypes, crop management, crop rotation and soil fertility, but the milling process and finally the baking process are also key factors in producing bread of high baking quality, nutritional value, taste and flavour. Nitrogen (N) is a key nutrient in achieving acceptable yield levels of sufficient bread-making quality, but previous results have shown that organic wheat tends to have lower protein content, dough mixing tolerance and loaf volume. The selection of genotypes with high N use efficiency, weed competitiveness and disease resistance allowed improving the agronomic performance. Besides protein content and protein composition, the baking performance of organic wheat bread also depended on flour starch damage, amylase activity, ash content and particle size distribution. The milling technique had a critical effect on both baking performance and nutritional value whereas the baking process may improve the bioavailability of minerals through acidification process (sourdough). Finally, this programme allowed to better characterize stakes and constraints of the whole organic wheat-flour-bread chain due to a multidisciplinary approach.

EPrint Type:Conference paper, poster, etc.
Type of presentation:Poster
Keywords:organic wheat, flour, bread, nutritional quality, baking quality, taste, flavour
Subjects: Food systems
Research affiliation: International Conferences > 2008: IFOAM OWC: Research Track / ISOFAR > 1.2 Consumers - Product Quality - Farming Practices
France > ITAB - Institut Technique en Agriculture Biologique
Deposited By: Taupier-Létage, Bruno
ID Code:12529
Deposited On:06 Oct 2008
Last Modified:12 Apr 2010 07:36
Document Language:English
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. https://orgprints.org/13672 and https://orgprints.org/13674

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