Brucea: A plant genus of the family SIMAROUBACEAE. Members contain bruceosides and bruceanols (quassinoids). The astringent seeds have been used to treat dysentery in southeastern Asia.Quassins: A group of degraded TRITERPENES which have lost ten carbons (8 from the side chain, C17, and one from C4) so have C20 skeletons which could be misinterpreted as DITERPENES. They especially occur in plants of the SIMAROUBACEAE family.Glaucarubin: (1 beta,2 alpha,11 beta,12 alpha,15 beta(S))-11,20-Epoxy-1,2,11,12-tetrahydroxy-15-(2-hydroxy-2-methyl-1-oxobutoxy)picras-3-en-16-one. A quassinoid (Simaroubolide) from Simaruba glauca, a tropical shrub. It has been used as an antiamebic agent and is found to be cytotoxic. It may be of use in cancer chemotherapy.Amebicides: Agents which are destructive to amebae, especially the parasitic species causing AMEBIASIS in man and animal.Flavonolignans: Heterodimers of FLAVONOIDS bound to LIGNANS.Coix: A plant genus of the family POACEAE. The seed is used in folk medicine (DRUGS, CHINESE HERBAL).