Method for the production of an aqueous glucose solution

Details Method for the production of an aqueous glucose solution Method for the production of an aqueous glucose solution

C - Chemistry, Metallurgy

12

P

C12P 19/02 (2006.01) A23K 1/14 (2006.01) C07K 14/415 (2006.01) C13K 1/06 (2006.01)

Patent

CA 2691883

The present invention relates to a method for the production of an aqueous glucose solution from corn and/or corn grain. The invention also relates to a glucose solution obtained by this method, and the use thereof for the production of organic compounds. The method according to the invention comprises: a) the fractionating dry milling of corn grains, wherein the corn grains are separated into an endosperm fraction containing corn starch and an oil-rich germ fraction, and optionally a bran fraction; b) enzymatic liquification and saccharification of the corn starch in an aqueous suspension of the endosperm fraction, wherein an aqueous glucose solution containing corn gluten is obtained; and c) concentration of the corn gluten and optionally, bran, from the aqueous glucose solution.

La présente invention concerne un procédé de préparation d'une solution de glucose aqueuse à partir de maïs ou de grains de maïs. L'invention concerne également une solution de glucose pouvant être obtenue grâce à ce procédé ainsi que son utilisation pour préparer des composés organiques. Le procédé selon l'invention comprend les étapes suivantes : a) broyage fractionné à sec de grains de maïs consistant à séparer les grains de maïs en une fraction endosperme contenant de l'amidon de maïs et en une fraction germe riche en huile et éventuellement en une fraction son; b) liquéfaction enzymatique et cristallisation de l'amidon de maïs dans une suspension aqueuse de la fraction endosperme, afin d'obtenir une solution de glucose aqueuse contenant du gluten de maïs; et c) appauvrissement de la solution de glucose aqueuse en gluten de maïs et le cas échéant en son existant.

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