Direct fermentation of D-xylose to ethanol by a xylose-fermentin

Details Direct fermentation of D-xylose to ethanol by a xylose-fermentin Direct fermentation of D-xylose to ethanol by a xylose-fermentin

1982-05-11

1985-04-16

Yoncoskie, Robert

Chemistry: molecular biology and microbiology

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

Preparing oxygen-containing organic compound

435163, 435921, 435942, C12P 706

Patent

active

045116563

ABSTRACT:
A process for obtaining ethanol directly from D-xylose through fermentation of D-xylose by xylose-fermenting yeast mutants. The process provides for obtaining ethanol from hemicellulose hydrolyzates through yeast fermentation of D-xylose to ethanol. In addition, a process for producing yeast mutants capable of utilizing D-xylose to ethanol in high yields is described. Furthermore, the process also provides for obtaining ethanol from a mixture of cellulose and hemicellulose hydrolyzates through yeast fermentation of D-glucose and D-xylose directly and simultaneously to ethanol.

REFERENCES:
patent: 1857429 (1932-05-01), Christensen
patent: 2481263 (1949-09-01), Tsuchiya et al.
patent: 3887434 (1975-06-01), Frommer et al.
patent: 4288550 (1981-09-01), Ishida et al.
patent: 4359534 (1982-11-01), Kurtzman et al.
patent: 4368268 (1983-01-01), Gong

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