Hyoscyamine

Hyoscyamine
Hyoscyamine Hy`os*cy"a*mine, n. [See {Hyoscyamus}.] (Chem.) An alkaloid found in henbane ({Hyoscyamus niger}), and regarded as its active principle. It is also found with other alkaloids in the thorn apple and deadly nightshade. It is extracted as a white crystalline substance, with a sharp, offensive taste. Hyoscyamine is isomeric with atropine, is very poisonous, and is used as a medicine for neuralgia, like belladonna. Called also {hyoscyamia}, {duboisine}, etc. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • Hyoscyamine — Systematic (IUPAC) name (8 methyl 8 az …   Wikipedia

  • Hyoscyamine — Structure de l hyoscyamine Général Nom IUPAC 3 hydroxy 2 phénylpropanoate de 8 méthyl 8 azabicyclo[3.2.1]oct 3 yle …   Wikipédia en Français

  • hyoscyamine — ● hyoscyamine nom féminin (bas latin hyosciamus, du grec huoskuamos, fève de porc) Alcaloïde des solanacées, isomère lévogyre de l atropine, plus actif et moins toxique que celle ci. hyoscyamine [josjamin] n. f. ÉTYM. XIXe; lat. hyoscyamus «… …   Encyclopédie Universelle

  • hyoscyamine — [hī΄ə sī′ə mēn΄, hī΄ə sī′əmin] n. [< L hyoscyamus, henbane ( < Gr hyoskyamos < hys, pig (see HYENA) + kyamos, bean) + INE3] a colorless, crystalline, very poisonous alkaloid, C17H23NO3, obtained from henbane and other plants of the… …   English World dictionary

  • hyoscyamine — An alkaloid found in hyoscyamus, belladonna, duboisine, and stramonium; the levorotatory component of the racemic mixture, atropine; used as an antispasmodic, analgesic, and …   Medical dictionary

  • Hyoscyamine (6S)-dioxygenase — In enzymology, a hyoscyamine (6S) dioxygenase (EC number|1.14.11.11) is an enzyme that catalyzes the chemical reaction:L hyoscyamine + 2 oxoglutarate + O2 ightleftharpoons (6S) hydroxyhyoscyamine + succinate + CO2The 3 substrates of this enzyme… …   Wikipedia

  • hyoscyamine hydrobromide — [USP] a salt of hyoscyamine, having actions and uses similar to those of the base …   Medical dictionary

  • hyoscyamine sulfate — [USP] a salt of hyoscyamine, having actions similar to those of the base, administered orally or parenterally as an antispasmodic in gastrointestinal disorders and orally in the treatment of hypermotility in cystitis or other urinary tract… …   Medical dictionary

  • hyoscyamine — noun Etymology: German Hyoscyamin, from New Latin Hyoscyamus, genus of herbs, from Latin, henbane, from Greek hyoskyamos, literally, swine s bean, from hyos (genitive of hys swine) + kyamos bean more at sow Date: 1858 a poisonous crystalline… …   New Collegiate Dictionary

  • hyoscyamine — Anticholinergic from Atropa belladona ; when racemized following isolation is known as atropine …   Dictionary of molecular biology

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