Method for preparing chitosan

Details Method for preparing chitosan Method for preparing chitosan

C - Chemistry, Metallurgy

12

P

C12P 19/26 (2006.01) C08B 37/08 (2006.01)

Patent

CA 2082859

Abstract of the Disclosure A method for preparing chitosan comprises the steps of adding an aqueous organic acid solution having a concentration ranging from 0.5 to 10 % (w/v) to alkali- insoluble substances obtained by treating cultured filamentous fungi with a hot aqueous alkali solution and stirring and mixing the dispersion while heating it at a temperature ranging from 50 to 100 °C to extract chitosan. The method for preparing chitosan makes it possible to provide chitosan in a high productivity. Chitosan is an important biomass and may be used in various fields such as a flocculating agent for polymers, an immobilization support and porous beads.

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