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An extract of Goa powder (q.v.); a complex mixure of reduction products of chrysophanic acid, emodin, and emodin monomethyl ether; used as a topical dermatologic.
[G. chrysos, gold, + Brazil Ind. araroba, bark]
chrysarobin(krĭs″ă-rō′bĭn) [Gr. chrysos, gold, + Brazilian araraba, bark]
A mixture of neutral principles obtained from goa powder, which is deposited in the wood of Araroba, a leguminous tree of South America. It is used topically as an ointment for treatment of certain skin disorders. It promotes the growth of skin tumors in laboratory animals.