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KCET2026BiologyMicrobes in Human Welfare

The conversion of milk into curd by LAB increases the nutritional value by producing _____

Options

  1. AVitamin A
  2. BVitamin B₁₂
  3. CVitamin C
  4. DVitamin D

Correct answer

B. Vitamin B₁₂

Step-by-step solution

Lactic acid bacteria (LAB) such as Lactobacillus grow in milk and convert it to curd. During their growth, LAB produce acids that coagulate and partially digest the milk proteins. This conversion process improves the nutritional quality of the milk by significantly increasing the content of Vitamin B₁₂ . Answer: Vitamin B₁₂

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