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Question

Vitamin C was the first vitamin to be produced by fermentation process using

A
Penicillium
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B
E. coli
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C
Yersenia pestis
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D
Acetobacter
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Solution

The correct option is C Acetobacter
Riechstein in 1933, synthesized Vitamin C (Ascorbic acid). Vitamin C is chemically synthesized by Reichstein method which is a two step process; First, the conversion of glucose to sorbitol and then this sorbitol is further converted to sorbose by fermentation using Acetobacter. The sorbose is further oxidized, purified and recrystallized to form ascorbic acid (vitamin C).
So, the correct answer is 'Acetobacter.'

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