‘Xanthurenic acid index’ is a reliable criterion for the deficiency of the vitamin

‘Xanthurenic acid index’ is a reliable criterion for the deficiency of the vitamin

Q. ‘Xanthurenic acid index’ is a reliable criterion for the deficiency of the vitamin

A.            Pyridoxal

B.            Thiamin

C.            Pantothenic acid

D.            Cobalamin

Answer: Pyridoxal

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