Method of purifying beta-1,3-glucans

Details Method of purifying beta-1,3-glucans Method of purifying beta-1,3-glucans

C - Chemistry, Metallurgy

08

B

C08B 37/18 (2006.01) A23L 1/054 (2006.01) C08B 37/00 (2006.01) C12P 19/04 (2006.01)

Patent

CA 2069234

Abstract of the Disclosure This invention relates to a method of purifying .beta.- 1,3-glucans which comprises cooling a hot alkaline solution of a microbially produced .beta.-1,3-glucan in a mixture of water and a hydrophilic organic solvent, then, where necessary, further adding a hydrophilic organic solvent, and neutralizing the mixture containing precipitated glucan. The invention provides a method of purifying .beta.-1,3- glucans which is commercially very advantageous in that it does not entail an excessive rise of viscosity and, hence, insures the ease of handling. The .beta.-1,3-glucans purified by the method of the invention impart excellent thickening, water-holding, swelling and/or plastic characteristics to various substrates and can be used advantageously in chemical, food and other industries.

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