The citric acid is produced by:
Correct answer: C. Aspergillus niger
- A. Candida utilis
- B. Azotobacter suboxydans
- C. Aspergillus niger
- D. Streptococcus lactis
Explanation
'Citric acid' is obtained through the fermentation carried out by Aspergillus niger on sugary syrups. Citric acid is employed in dyeing, engraving, medicines, inks, flavouring and preservation of food and candies.
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