Air used in aerobic fermentation must be sterilized, otherwise the ___________________?
Correct answer: B. Contamination of pure culture would result
- A. Recovery of product will be difficult
- B. Contamination of pure culture would result
- C. Uniformity of product cannot be achieved
- D. None of these
Explanation
Unsterilized air can introduce unwanted microorganisms into the fermenter, contaminating the carefully maintained pure culture. This contamination may consume nutrients and spoil the product.
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