noun Etymology: International Scientific Vocabulary Date: circa 1871 a basic compound C5H15NO2 that is found in various foods (as egg yolks and legumes) or is synthesized in the liver and that is a component of lecithin, is a precursor of acetylcholine, and is essential to liver function

New Collegiate Dictionary. 2001.

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  • Choline — Structure de la choline Général Nom IUPAC 2 hydroxyethyl trimethylazanium …   Wikipédia en Français

  • choline — [ kɔlin ] n. f. • 1870; de chol(é) et ine ♦ Biochim. Matière azotée (alcool à fonction ammonium quaternaire), présente dans les tissus animaux surtout sous forme d esters, qui joue un rôle important dans l utilisation des lipides par le foie et… …   Encyclopédie Universelle

  • Choline — Cho line, n. [Gr. ? bile.] (Physiol. Chem.) See {Neurine}. [1913 Webster] …   The Collaborative International Dictionary of English

  • choline — choline. См. холин. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • choline — [kō′lēn΄, kō′lin] n. [ CHOL(E) + INE3] a viscous fluid, (CH3) 3N(OH)CH2CH2OH, found in many animal and vegetable tissues, that is a precursor of acetylcholine, lecithin, etc.: usually considered a vitamin of the B complex …   English World dictionary

  • Choline — The N,N,N trimethylethanolammonium cation, with an undefined counteranion, X− Choline is a water soluble essential nutrient.[1][ …   Wikipedia

  • choline — /koh leen, kol een/, n. 1. Biochem. a quaternary ammonium cation, C5H14N+O, one of the B complex vitamins, found in the lecithin of many plants and animals. 2. choline hydroxide, C5H15NO2, the viscous, strongly alkaline commercial form of this… …   Universalium

  • choline — (2 Hydroxyethyl)trimethylammonium ion; found in most animal tissues either free or in combination as lecithin (phosphatidylcholine), acetate (acetylcholine), or cytidine diphosphate (cytidine diphosphocholine). It is included in the vitamin B… …   Medical dictionary

  • choline — Esterified in the head group of phospholipids (phosphatidyl choline and sphingomyelin) and in the neurotransmitter acetylcholine. Otherwise a biological source of methyl groups …   Dictionary of molecular biology

  • choline — n. a basic compound important in the synthesis of phosphatidylcholine (lecithin) and other phospholipids and of acetylcholine. It is also involved in the transport of fat in the body. Choline is sometimes classed as a vitamin but, although it is… …   The new mediacal dictionary

  • choline — cholinas statusas T sritis chemija formulė Formulę žr. priede. priedas( ai) Grafinis formatas atitikmenys: angl. choline rus. холин ryšiai: sinonimas – (2 hidroksietil)trimetilamonio hidroksidas …   Chemijos terminų aiškinamasis žodynas

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