*Q.102. What is the microbial source of vitamin B12?
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Large-scale production of Vitamin B12 is done using microbial fermentation. Vitamin B12 is produced by bacteria during their normal metabolism and thus, commercially used by culturing bacteria to produce large amounts of Vitamin B12. Vitamin B12 can be produced from various bacteria like Pseudomonas denitrificans and Propionibacterium shermanii, and Sinorhizobium meliloti.
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Answer:
Propionibacterium shermanii is the microbial source of vitamin B12
Explaination:
How? = Vitamin B12 is synthesized only by certain bacteria and archaeon, but not by plants. The synthesized vitamin B12 is transferred and accumulates in animal tissues, which can occur in certain plant and mushroom species through microbial interaction.
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