| 摘要 |
The invention refers to biotechnology, in particular to processes for B12 vitamin synthesis, which may be used in zootechny and medicine. The synthetic process of vitamin B12 includes cultivation of propionic bacteria in facultative aerobian conditions on a medium with corn extract, glucose, (NH4)2SO4, CoCl2A6H2O, 5,6-dimethylbenzimidazole, using in the capacity of medium neutralizating agent a natural mineral with increased content of carbonates in the amount of 5...10 g/L.Claims: 1
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