Which of the following vitamin deficiency causes pellagra?
Ans. c (Nicotinic acid). (Ref. Harrison, Medicine, 14th ed., 463)NIACIN# Function: CoA enzyme in redox reactions.# 1 mg of niacin is formed from 60 mg of tryptophan.# Deficiency: Pellagra (diarrhea, dermatitis, dementia and death if untreated).# Hartnup disease, malignant carcinoid syndrome and INH therapy may also cause niacin deficiency.
Thiamine
Ascorbic acid
Nicotinic acid
Cyanocobalamine
Vitamins and Minerals