Production of vitamin B.sub.12 -activity substances
    1.
    发明授权
    Production of vitamin B.sub.12 -activity substances 失效
    生产维生素B12活性物质

    公开(公告)号:US4430429A

    公开(公告)日:1984-02-07

    申请号:US286247

    申请日:1981-07-23

    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。