Multiple choice

In which of the following processes for the fermentation to produce citric acid Aspergillus niger is/are used with solid substrate as sweet potato?

  1. Liquid surface culture process
  2. Koji process
  3. Submerged process

  1. Only 1

  2. Only 2

  3. Only 3

  4. 1 and 2

  5. 2 and 3

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

In koji process for the fermentation to produce citric acid, Aspergillus niger is used with solid substrate as sweet potato.

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