释义 |
hydrastine
hy·dras·tine H0341800 (hī-drăs′tēn′, -tĭn)n. A poisonous white alkaloid, C21H21NO6, obtained from the root of the goldenseal and formerly used locally to treat inflammation of mucous membranes. [New Latin Hydrastis, plant genus + -ine.]hydrastine (haɪˈdræstiːn; -tɪn) n (Elements & Compounds) a white poisonous alkaloid extracted from the roots of the goldenseal: has been used in medicine (in the form of one of its water-soluble salts) to contract the uterus and arrest haemorrhage. Formula: C21H21NO6[C19: from hydrast(is) + -ine2]hydrastine
hydrastine[′hī·dra‚stēn] (organic chemistry) C21H21NO6 An alkaloid isolated from species of the family Ranunculaceae and from Hydrastis canadensis; orthorhombic prisms crystallize from alcohol solution, melting point 132°C; highly soluble in acetone and benzene, soluble in chloroform, less soluble in ether and alcohol. hydrastine
hy·dras·tine (hī-dras'tēn), An alkaloid of hydrastis; an isoquinoline chemically related to narcotine. (+) hydrastine is a GABA14 antagonist and convulsant.hydrastine (hī-drăs′tēn′, -tĭn)n. A poisonous white alkaloid, C21H21NO6, obtained from the root of the goldenseal and formerly used locally to treat inflammation of mucous membranes. |