niacin

(redirected from Vitamin B-3)
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Related to Vitamin B-3: Vitamin PP, Vitamin b 6

niacin:

see coenzymecoenzyme
, any one of a group of relatively small organic molecules required for the catalytic function of certain enzymes. A coenzyme may either be attached by covalent bonds to a particular enzyme or exist freely in solution, but in either case it participates intimately in
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; vitaminvitamin,
group of organic substances that are required in the diet of humans and animals for normal growth, maintenance of life, and normal reproduction. Vitamins act as catalysts; very often either the vitamins themselves are coenzymes, or they form integral parts of coenzymes.
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.

niacin

[′nī·ə·sən]
(biochemistry)
References in periodicals archive ?
Vitamin B-3 is a methyl acceptor, and we thought that by giving these patients large amounts of this sale vitamin we might deplete the body's supply of methyl groups and thus prevent the formation of adrenalin from nordrenalin.
The company is the leading global producer of pyridine and picolines, specialty pyridine derivatives, DEET, castor oil derivatives and systems, and citrate polymer additives and systems, and is the world's second largest producer of vitamin B-3 for both animal feed and human consumption.
Also known as Vitamin B-3, Niacin can play an important role in cholesterol metabolism and cellular energy production.