The vitamin riboflavin, which occurs as a yellow pigment in egg yolk and milk be

Question

The vitamin riboflavin, which occurs as a yellow pigment in egg yolk and milk become

Options:

A . more deep in color on oxidation and regained its color on reduction with Zn in acid

B . more deep in color on reduction with Zn in acid and regained its color on re-oxidation

C . colorless on reduction with Zn in acid and regained its color on re-oxidation

D . colorless on oxidation and regained its color on reduction with Zn in acid

Answer: Option C

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