The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 17, 1992

Filed:

Mar. 27, 1991
Applicant:
Inventors:

Yasuhiko Yoshihara, Kawasaki, JP;

Yoshio Kawahara, Kawasaki, JP;

Yasutsugu Yamada, Kawasaki, JP;

Sigeho Ikeda, Kawasaki, JP;

Assignee:

Ajinomoto Co., Inc., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12P / ;
U.S. Cl.
CPC ...
435106 ; 435114 ; 435115 ; 435116 ; 435112 ; 435244 ; 4352403 ; 43524031 ;
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.


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