Process for preparing glucanase resistant yeast mutants

Details Process for preparing glucanase resistant yeast mutants Process for preparing glucanase resistant yeast mutants

1993-08-17

1996-04-09

Rollins, John W.

Chemistry: molecular biology and microbiology

Treatment of micro-organisms or enzymes with electrical or...

Modification of viruses

4351723, 435 18, 43525421, 435942, C12N 1500, C12N 116, C12N 118, C12Q 134

Patent

active

055061249

ABSTRACT:
Three dimensional glucan matrix compositions are prepared by separating growing yeast from its growth medium, subjecting the yeast with cell walls intact to an alkali material, thereby extracting whole glucan particles having an intact cell wall structure. The whole glucans can then, optionally, be treated with acetic acid to alter the .beta.(1-6) linkages, or with glucanase to alter the .beta.(1-3) linkages. The glucans have viscosity characteristics dependent upon the strain of yeast utilized and are useful as stabilizers or thickeners.

REFERENCES:
patent: 3716452 (1973-02-01), Kitamura et al.
patent: 3855063 (1974-12-01), Nagasawa et al.
patent: 3889006 (1975-06-01), Nagasawa et al.
patent: 5028703 (1991-07-01), Jamas et al.
H. J. Rehm and G. Reed, eds., Biotechnology vol. 1, pp. 297-300 (1981).

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