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公开(公告)号:US4430429A
公开(公告)日:1984-02-07
申请号:US286247
申请日:1981-07-23
CPC分类号: C12R1/01 , C12P19/42 , Y10S435/822
摘要: 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.
摘要翻译: 维生素B12活性物质通过发酵基本上由甲醇作为可同化碳的主要来源,可同化的氮,钴离子和必需生长因子的来源以及具有维生素B12活性物质产生生物体的矿物质的水性培养基 在无氧条件下生长。