chrysarobin

chrysarobin
An extract of Goa powder; a complex mixure of reduction products of chrysophanic acid, emodin, and emodin monomethyl ether; used locally in ringworm, psoriasis, and eczema. [G. chrysos, gold, + Brazil Ind. araroba, bark]

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chrys·a·ro·bin .kris-ə-'rō-bən n a brownish to orange-yellow powder obtained esp. from Goa powder and used to treat skin diseases (as psoriasis)

Medical dictionary. 2011.

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  • Chrysarobin — Chrys a*ro bin, n. [Gr. chryso s gold + araroba a foreign name of Goa powder + in.] (Chem.) A bitter, yellow substance forming the essential constituent of Goa powder, and yielding chrysophanic acid proper; hence formerly called also {chrysphanic …   The Collaborative International Dictionary of English

  • Chrysarobīn — (Ararobin, Goa oder Bahiapulver) C15H12O3, die gereinigte, in Höhlungen der Stämme von Andira Araroba ausgeschiedene Masse, ein gelbes, leichtes, kristallinisches Pulver, das, mit 2000 Teilen Wasser gekocht, eine braunrötliche, geschmacklose… …   Meyers Großes Konversations-Lexikon

  • Chrysarobin — Chrysarobīn, Bestandteil des Araroba , Goa oder Bahiapulvers, einer lockern braungelben Masse aus den Stammhöhlungen der brasil. Andira Araroba Aguiar, daraus durch Auskochen mit Benzol in gelben Blättchen gewonnen, färbt ungebeizte Zeuge gelb;… …   Kleines Konversations-Lexikon

  • Chrysarobin —   [ç ] das, s, aus dem brasilianischen Goabaum Andira araroba gewonnene gelbe kristalline Substanz (chemisch das 1,8 Dihydroxy 3 methyl 9 anthron); wirkt als starkes Reduktionsmittel und wird bei Hautkrankheiten, besonders Psoriasis und Ekzemen,… …   Universal-Lexikon

  • chrysarobin — [kris΄ə rō′bin] n. [< Gr chrysos, gold (see CHRYSALIS) + ARAROBA + IN1] a yellow, crystalline substance, C15H12O3, derived from Goa powder and used in the treatment of various skin disorders …   English World dictionary

  • chrysarobin — noun Etymology: chrys + araroba, powder found in the wood of a Brazilian tree (Andira araroba) + 1 in Date: 1887 a powder derived from the wood of a tropical tree used to treat skin diseases …   New Collegiate Dictionary

  • chrysarobin — /kris euh roh bin/, n. Pharm. a mixture of compounds obtained from Goa powder, used in the treatment of psoriasis and other skin conditions. [1885 90; CHRYS + (AR)AROB(A) + IN2] * * * …   Universalium

  • chrysarobin — n. type of medication for skin disease …   English contemporary dictionary

  • chrysarobin — chrys·a·ro·bin …   English syllables

  • chrysarobin — chrys•a•ro•bin [[t]ˌkrɪs əˈroʊ bɪn[/t]] n. pha a mixture of compounds obtained from Goa powder and used in the treatment of psoriasis and other skin conditions • Etymology: 1885–90; chrys + (ar) arob (a) + in I …   From formal English to slang

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