niacin

ni·a·cin  (n-sn)

n.

A white crystalline acid, C₅H₄NCOOH, that is a component of the vitamin B complex found in meat, wheat germ, dairy products, and yeast and is used to treat and prevent pellagra. Also called nicotinic acid.

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[ni(cotinic) ac(id) + -in.]

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niacin

Noun

a vitamin of the B complex that occurs in milk, liver, and yeast Also called: (nicotinic acid) [from ni(cotinic) ac(id) + -in denoting a chemical substance]

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niacin  (n-sn)

A water-soluble organic acid belonging to the vitamin B complex that is important in carbohydrate metabolism. It is a pyridine derivative and is a precursor of the coenzyme NAD. Niacin is found in liver, fish, and whole-grain foods. Deficiency of niacin in the diet causes pellagra. Also called nicotinic acid. Chemical formula: C₆H₅NO₂.

Thesaurus

Noun

1.

niacin - a B vitamin essential for the normal function of the nervous system and the gastrointestinal tract nicotinic acid B complex, B vitamin, B-complex vitamin, vitamin B, vitamin B complex, B - originally thought to be a single vitamin but now separated into several B vitamins