| 摘要 |
PURPOSE:To obtain vitamin K2 related to blood coagulation of organisms and calcium metabolic control in high yield, by cultivating a specific bacterium belonging to the genus Corynebacterium, Brevibacterium, etc. in a medium. CONSTITUTION:A bacterium [e.g., Corynebacterium liquefaciens ATCC 14929, Microbacterium lacticum ATCC 8180, etc.] belonging to the genus Corynebacterium, Brevibacterium, Microbacterium, Curtobacterium, Aureobacterium, or Gram-positive Flavbacterium, capable of producing menaquinone-4, is cultivated in a medium, and menaquinone-4 is collected from the culture mixture. |
