Production of vitamin B.sub.12 -activity substances

Details Production of vitamin B.sub.12 -activity substances Production of vitamin B.sub.12 -activity substances

1981-07-23

1984-02-07

Warden, Robert J.

Chemistry: molecular biology and microbiology

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

Preparing compound containing saccharide radical

435247, 435253, 435822, C12P 1942, C12N 132, C12N 120, C12R 101

Patent

active

044304293

ABSTRACT:
Vitamin B.sub.12 -active substances are produced by the fermentation of an aqueous medium consisting essentially of methanol as the main source of assimilable carbon, a source of assimilable nitrogen, cobalt ions and essential growth factors and minerals with a vitamin B.sub.12 -activity substance producing organism capable of growing under anaerobic conditions.

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patent: 4106988 (1978-08-01), Ohsugi et al.
patent: 4119492 (1978-10-01), Kojima et al.
J. G. Zeikus et al., Current Microbiology, vol. 3, pp. 381-386; 1980.
J. Krzycki et al., Current Microbiology, vol. 3, pp. 243-245; 1980.
American Type Culture Collection Catalogue of Strains I, Fifteenth Edition pp. 92 and 140; 1982.

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