Which of the following organic acid is produced by the fermentation of sugar syrups by Aspergillus niger and Mucor species?

Butyric acid

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Lactic acid

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Citric acid

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Acetic acid

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Solution

The correct option is C Citric acid
Citric acid is obtained by the fermentation of sugar syrup by Aspergillus niger and Mucor species.

From Acetobacter aceti (a bacterium), we get acetic acid; from Clostridium butylicum (a bacterium) - butyric acid and from Lactobacillus (a bacterium) - lactic acid.

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