Title:
PRODUCTION OF VITAMIN B6
Document Type and Number:
Japanese Patent JPH09107985
Kind Code:
A
Abstract:
To obtain vitamin B6 essential for nutrition of animals, plants and microorganisms and used as a medicine and in foods in a high yield.
This production of vitamin B6 is to culture microorganisms belonging to the genus Rhizobium having vitamin B6-producing ability in a culture medium under an aerobic condition and obtain produced vitamin B6 from the culture medium. The culture medium contains not only edible carbon source, digestive nitrogen source, inorganic salts and other nutrients required for raising microorganisms but preferably pyruvic acid, D-glyceraldehyde, glycolaldehyde, glycine, 1-deoxy-D-threo-pentulose, 4-hydroxy-L-threonine or their mixture.
Inventors:
ICHIKAWA KEIKO
HOSHINO TATSUO
TAZOE MASAAKI
HOSHINO TATSUO
TAZOE MASAAKI
Application Number:
JP25317896A
Publication Date:
April 28, 1997
Filing Date:
September 25, 1996
Export Citation:
Assignee:
HOFFMANN LA ROCHE
International Classes:
C12P17/12; C12R1/41; (IPC1-7): C12P17/12
Attorney, Agent or Firm:
Hajime Tsukuni (1 person outside)
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