Nicotinic acid, one of the water-soluble B vitamins.
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ni·a·cin 'nī-ə-sən n a crystalline acid C6H5NO2 that is a member of the vitamin B complex occurring usu. in the form of a complex of niacinamide in various animal and plant parts (as blood, liver, yeast, bran, and legumes) and is effective in preventing and treating human pellagra and blacktongue of dogs called also nicotinic acid

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ni·a·cin (niґə-sin) nicotinic acid, a member of the vitamin B complex that is a constituent of the redox coenzymes nicotinamide adenine dinucleotide (NAD) and nicotinamide adenine dinucleotide phosphate (NADP). [USP] a preparation of niacin, used in the prophylaxis and treatment of niacin deficiency and the treatment of hyperlipidemia; administered orally, intramuscularly, or intravenously.

Medical dictionary. 2011.

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  • Niacin — IUPAC name …   Wikipedia

  • Niacin — est un groupe de jazz rock fusion avec au clavier John Novello, à la batterie Dennis Chambers, et à la basse Billy Sheehan Discographie Niacin (1996) High Bias (1998) Live (1998) Deep (2000) Live : Blood, Sweat and Beers (2000) Time Crunch… …   Wikipédia en Français

  • niacin — iacin n. A B vitamin (vitamin B5) essential for the normal function of the nervous system and the gastrointestinal tract. Called also {nicotinic acid} and {antipellagra vitamin}. Chemical formula {C6H5NO2}, chemically it is 3 pyridinecarboxylic… …   The Collaborative International Dictionary of English

  • niacin — (n.) pellagra preventing vitamin in enriched bread, 1942, coined from ni(cotinic) ac(id) + IN (Cf. in) (2), chemical suffix; suggested by the American Medical Association as a more commercially viable name than nicotinic acid. The new name was… …   Etymology dictionary

  • niacin — ☆ niacin [nī′ə sin ] n. [ NI(COTINIC) AC(ID) + IN1] NICOTINIC ACID …   English World dictionary

  • Niacin — Strukturformel Allgemeines Trivialname Vitamin B3 Vitamin B5 (seltene Bezeichnung) Andere Namen …   Deutsch Wikipedia

  • niacin — /nuy euh sin/, n. Biochem. See nicotinic acid. [1935 40; NI(COTINIC) AC(ID) + IN2] * * * or nicotinic acid or vitamin B3 Water soluble vitamin of the vitamin B complex, essential to growth and health in animals, including humans. It is found in… …   Universalium

  • niacin — nicotinic acid ic o*tin ic ac id, n. (Chem.) An organic acid ({C6H5NO2}), a carboxylated derivative of pyridine, obtained by the oxidation of nicotine; called also {niacin} and {antipellagra vitamin}, and {vitamin B5}. Chemically it is 3… …   The Collaborative International Dictionary of English

  • niacin — мед. ниацин (niacin)  Водорастворимый витамин.   Высвобождает энергию в тканях и клетках тела.   Способствует укреплению нервной системы и улучшению пищеварения. см. тж витамины …   Универсальный дополнительный практический толковый словарь И. Мостицкого

  • Niacin — PP Faktor; Vitamin B3; Nicotinsäure * * * Ni|a|cin [Kunstw. aus engl. nicotinic acid = Nicotinsäure u. ↑ in (3)], das; s: amer. Freiname für ↑ Nicotinsäure. * * * Niac …   Universal-Lexikon

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