yohimbine

yohimbine
An alkaloid, the active principle of yohimbé, the bark of Corynanthe yohimbi (family Rubiaceae); it produces a competitive blockade, of limited duration, of adrenergic α-receptors; has also been used for its alleged aphrodisiac properties.

* * *

yo·him·bine yō-'him-.bēn, -bən n an alkaloid obtained from the bark of yohimbe that is a weak blocker of alpha-adrenergic receptors and has been used in the form of its hydrochloride C21H26N2O3·HCl as a mydriatic and aphrodisiac and to treat male impotence called also quebrachine

Medical dictionary. 2011.

Игры ⚽ Поможем сделать НИР

Look at other dictionaries:

  • Yohimbine — Systematic (IUPAC) name 17α hydroxy yohimban 16α carboxylic acid methyl ester Clinical data Trade names …   Wikipedia

  • Yohimbine — Structure de la yohimbine Général Nom IUPAC 17α hydroxy yohimban 16α carboxylate de méthyle …   Wikipédia en Français

  • YOHIMBINE — Principal alcaloïde indolique extrait de l’écorce de Corynanthe yohimbe (rubiacée), encore connu sous les noms de corynine et d’aphrodine. Ce dernier vocable rappelle que la yohimbine aurait des propriétés aphrodisiaques, probablement en raison… …   Encyclopédie Universelle

  • yohimbine — [yō him′bēn] n. [< yohimbé, a tropical Afr tree (of Bantu orig.) + INE3] a poisonous alkaloid, C21H26N2O3, obtained from quebracho bark and the bark of a West African tree ( Corynanthe yohimbé) of the madder family: formerly used as an… …   English World dictionary

  • yohimbine — mˌbēn, bə̇n noun ( s) Etymology: International Scientific Vocabulary yohimbé+ ine 1. : a crystalline alkaloid C21H26N2O3 that is the principal alkaloid of yohimbé bark and that has sympathomimetic and hypotensive effects and has been used in the… …   Useful english dictionary

  • yohimbine — noun Etymology: International Scientific Vocabulary, from yohimbe Date: 1898 an alkaloid C21H26N2O3 obtained from the bark of the yohimbe that is a weak blocker of alpha adrenergic receptors and has been used as an aphrodisiac …   New Collegiate Dictionary

  • yohimbine — /yoh him been/, n. Pharm. an alkaloid, C21H26N2O3, extracted from the bark of Corynanthe johimbe or Rauwolfia serpentina, used as a selective alpha adrenergic receptor antagonist: purported to have aphrodisiac properties. [1895 1900; YOHIMB(E) +… …   Universalium

  • yohimbine — noun A tryptamine alkaloid, the active chemical constituent of the medicinal herb Pausinystalia yohimbe: a stimulant and supposed aphrodisiac. See Also: yohimbic acid …   Wiktionary

  • yohimbine — [jəʊ hɪmbi:n] noun Chemistry a toxic compound obtained from the yohimbe tree, used in the treatment of impotence …   English new terms dictionary

  • yohimbine — yo·him·bine …   English syllables

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”