L-alanine production with two microorganisms having fumarase ina

Details L-alanine production with two microorganisms having fumarase ina L-alanine production with two microorganisms having fumarase ina

1991-11-12

1992-05-26

Naff, David M.

Chemistry: molecular biology and microbiology

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

Preparing alpha or beta amino acid or substituted amino acid...

435874, 435876, 435877, 435 42, 435109, 435232, 435193, C12P 1306, C12P 3900, C12N 100, C12N 120

Patent

active

051167433

ABSTRACT:
There is disclosed a process for producing L-alanine by reacting in a single reaction tank, in an aqueous reaction mixture having a pH of 6 to 10 and containing at least one .alpha.-keto acid, fumaric acid or a salt thereof with ammonia or ammonium ions in the presence of two microorganisms having fumarase inactivity.

REFERENCES:
patent: 3898128 (1975-08-01), Chibata et al.
patent: 3933586 (1976-01-01), Duc
Chang et al., "Some Stereochemical . . . ", vol. 257, No. 7, pp. 3564-3569, 1982.

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