Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Preparing heterocyclic carbon compound having only o – n – s,...
Patent
1983-06-21
1986-01-07
Tanenholtz, Alvin E.
Chemistry: molecular biology and microbiology
Micro-organism, tissue cell culture or enzyme using process...
Preparing heterocyclic carbon compound having only o, n, s,...
435244, C12P 1718, C12N 138
Patent
active
045634262
ABSTRACT:
In a process which comprises cultivating a micro-organism having the ability to produce a biotin-vitamer in a culture medium in the presence of a biotin-vitamer precursor thereby to produce the biotin-vitamer and accumulate it in the culture medium, the improvement wherein the biotin-vitamer precursor is added to the culture medium after the microbial cells have been grown.
REFERENCES:
patent: 3859167 (1975-01-01), Ogino et al.
Ogata et al., Agr. Biol. Chem., vol. 29, No. 10, pp. 889-894 (1965).
Izumi Yoshikazu
Tani Yoshiki
Yamada Hideaki
Nippon Zeon Co. Ltd.
Tanenholtz Alvin E.
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