Method of producing L-amino acids by fermentation

Details Method of producing L-amino acids by fermentation Method of producing L-amino acids by fermentation

1996-12-19

1998-11-24

Lilling, Herbert J.

Chemistry: molecular biology and microbiology

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

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

435109, 435113, 435115, 435116, 435170, 435830, 435832, 435840, 435843, 435872, C12P 1304, C12P 1308, C12P 1306

Patent

active

058405518

ABSTRACT:
A method of producing L-amino acids by fermentation. Microorganisms of the genus Corynebacterium which exhibit an auxotrophy relative to an amino acid are used as biocatalysts. The method is characterized in that the carbon source on the one hand and the limiting amino acid on the other hand are fed in two or more different infeed currents to the process. The infeed profiles have, for example, a concave (saccharose) and an exponential (amino acid) form or a convex (saccharose) and likewise a convex (amino acid) form, with specific differing degrees of increase of the currents relative to each other over time.

REFERENCES:
Derwent Abstract Biotech ABS 90-00963 Schendel et al Abstr. Pap. Am Chem. Soc. (1989) 198 Meeting.
Derwent Abstract WPIL 93-228506/29 Bachmann et al Abs of EO-551614 (Jul. 21, 1993).

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