Improved extraction and purification method for cereal beta...

Details Improved extraction and purification method for cereal beta... Improved extraction and purification method for cereal beta...

C - Chemistry, Metallurgy

08

B

C08B 37/00 (2006.01)

Patent

CA 2523021

A novel method to extract and purify cereal .szlig.-glucan is described. Cereal .szlig. glucans are distinctive polymers of glucose differentiated from other polymers not only by their source but also by their physicochemical properties. The high purity of the cereal .beta.-glucan obtained according to the present invention allows for the preparation of clear, colourless viscous liquid preparations. These liquid preparations are stable to gelling effects when kept at ambient temperatures and low ash concentrations. Compositions comprising .szlig. (1-3) .szlig. (1-4) glucan and a freezing point depressant are also, described.

L'invention concerne un procédé d'extraction et de purification de glucane-.szlig. de céréales. Ce type de glucane-.szlig. se présente sous la forme de polymères de glucose différenciés d'autres polymères non seulement par leur source mais encore par leurs propriétés physicochimiques. La pureté élevée de ce type de glucane-.szlig. permet d'élaborer des préparations liquides visqueuses claires et incolores. Lesdites préparations sont stables vis-à-vis des effets de gélification quand on les maintient à des températures ambiantes et des concentrations de cendre faibles. L'invention concerne également des compositions qui renferment du glucane .szlig. (1-3) .szlig. (1-4) et un réducteur de point de congélation.

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