Method for preparing chitosan

Details Method for preparing chitosan Method for preparing chitosan

1992-09-09

1993-08-03

Lilling, Herbert J.

Chemistry: molecular biology and microbiology

Micro-organism, tissue cell culture or enzyme using process...

Preparing compound containing saccharide radical

435171, 435912, 536 20, C12P 1904, C12R 165

Patent

active

052328422

ABSTRACT:
According to the method for preparing chitosan of the present invention, chitosan is prepared by inoculating a filamentous fungi belonging to the family Mucoraceae into a culture medium for pre-cultivation containing yeast extract, malt extract, peptone, glucose and magnesium sulfate to perform pre-cultivation and then inoculating the pre-culture into a culture medium for main-cultivation having a composition essentially identical to that of the medium for pre-cultivation to perform the main-cultivation. Particularly preferred filamentous fungi belonging to the family Mucoraceae is Absidia coerulea. According to the method for preparing chitosan through the cultivation of microorganisms, chitosan exhibiting uniform quality can efficiently be produced and the method does not adversely affect the circumferential environment.

REFERENCES:
patent: 4806474 (1989-02-01), Hershberger
patent: 4970150 (1990-11-01), Yaku et al.
patent: 4992180 (1991-02-01), Onodera
patent: 5130243 (1992-07-01), Kimura et al.
JO2-215393 (Aug. 28, 1990) Shimomura et al. "Production of Chitosan Hydrolysate".

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