Process for producing L-amino acids by fermentation

Details Process for producing L-amino acids by fermentation Process for producing L-amino acids by fermentation

1991-03-27

1992-11-17

Brown, Johnnie R.

Chemistry: molecular biology and microbiology

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

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

435114, 435115, 435116, 435112, 435244, 4352403, 43524031, C12P 1304

Patent

active

051643073

ABSTRACT:
A process is provided for producing an L-amino acid, which entails culturing bacteria producing the L-amino acid in a medium containing cane molasses, sucrose or glucose as a main carbon source and containing at least one substance selected from the group consisting of N-methylglycine, N,N-dimethylglycine, N,N,N-trimethylglycine and (2-hydroxyethyl)trimethyl ammonium in an amount effective to enhance the yield of the L-amino acid; and harvesting the L-amino acid, and wherein the L-amino acid is selected from the group consisting of L-glutamic acid, L-lysine, L-glutamine, L-arginine, L-isoleucine, L-valine, L-threonine, L-histidine, L-phenylalanine, L-tryptophan, L-serine, L-ornithine, L-citrulline, L-tyrosine and L-leucine.

REFERENCES:
patent: 3355359 (1967-11-01), Goto et al.
patent: 3929571 (1975-12-01), Kubota et al.

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