Method for the isolation of a .beta.-glucan composition from...

A - Human Necessities – 23 – L

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A23L 1/105 (2006.01) A23L 1/10 (2006.01) A23L 2/52 (2006.01) C08B 30/18 (2006.01) C08L 3/02 (2006.01) C12C 5/00 (2006.01) C12C 5/02 (2006.01) C12C 7/04 (2006.01) C12P 19/00 (2006.01) C12P 19/22 (2006.01) C13K 7/00 (2006.01)

Patent

CA 2348007

A method for producing, from an oats flour fraction, a water soluble .beta.- glucan composition having a high .beta.-glucan/glucose weight ratio, preferably a ratio of 15:1 or more, comprises the use of .beta.-amylase in an amount sufficient to transform more than 50 % by weight, preferably more than 65 % by weight, of the starch contained in the oats flour fraction to maltose. The enzymes pullulanase and/or protease may be used in combination with .beta.-amylase. Also disclosed are corresponding compositions which may be further processed, as well as food products provided with them.

L'invention concerne un procédé permettant de produire, à partir d'une fraction de farine d'avoine, une composition de beta -glucane soluble dans l'eau présentant un rapport de poids élevé de beta -glucane/glucose, de préférence un rapport de 15:1 ou plus. Ce procédé consiste à utiliser une quantité suffisante de beta -amylase afin de transformer plus de 50 %, de préférence plus de 65 % en poids de l'amidon contenu dans la fraction de farine d'avoine en maltose. Des enzymes telles que la pullulanase et/ou la protéase, peuvent être utilisées en combinaison avec la beta -amylase. L'invention concerne également des compositions associées, qui peuvent être traitées ultérieurement, ainsi que des produits alimentaires obtenus au moyen de ces dernières.

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