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-pyridinecarboxylic acid.

Note: It is a cofactor in several enzymatic reactions, and is used to prevent a pellagra-like disease in dogs. --[MI11]

Syn: 3-pyridinecarboxylic acid, niacin, antipellagra vitamin. [1913 Webster +PJC]


The Collaborative International Dictionary of English. 2000.

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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, one of the water soluble B vitamins. * * * SYN: nicotinic acid. * * * 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… …   Medical dictionary

  • 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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