Bioprocessing of grains

B - Operations – Transporting – 02 – B

Patent

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Details

B02B 1/04 (2006.01) A21D 2/38 (2006.01) B02B 5/00 (2006.01) C12C 1/027 (2006.01) C12C 1/047 (2006.01)

Patent

CA 2640977

A method of treating a crop kernel prior to milling to improve millability, which includes the step of exposing the crop kernel to one or more plant hormones is provided. Typically, the crop kernel is a cereal such as wheat. The plant hormone is selected from the group consisting of auxins, gibberellins and abscisic acid. The method further includes the step of exposing the crop kernel to an enzyme. Typically the enzyme is a plant cell- wall degrading enzyme such as xylanase, lipase and cellulase. Also provided are methods of production of flour, food products and compositions. A particular application of this method is the optimisation of milling performance for the production of high quality flour.

La présente invention concerne un procédé de traitement de grains de cultures destiné à améliorer la broyabilité avant la mouture, ledit procédé comprenant l'étape consistant à exposer les grains à une ou à plusieurs hormones végétales. Généralement, les grains de cultures sont des céréales telles que du blé. L'hormone végétale est choisie dans le groupe constitué des auxines, des gibbérellines et de l'acide abscissique. Le procédé comprend en outre l'étape consistant à exposer les grains à une enzyme. Généralement, l'enzyme est une enzyme qui dégrade la paroi cellulaire végétale, telle qu'une xylanase, une lipase et une cellulase. La présente invention concerne également des procédés de production de farine, des produits alimentaires et des compositions. L'optimisation de la performance de mouture permettant la production d'une farine de qualité supérieure représente une application particulière du présent procédé.

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