Multiple choice

In vitamin B12 production using Pseudomonas denitrificans, which of the following, if supplemented to the medium, would increase the yield of vitamin B12?

  1. Biotin

  2. Cobalt

  3. 5,6-dimethyl Benzimidazole

  4. Betaine

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The yield of vitamin B12 increases when the medium is supplemented with betaine. The usual source of betaine is sugar beet molasses.