| frangulin | <chemistry> A yellow crystalline dyestuff, regarded as a glucoside, extracted from a species (Rhamnus Frangula) of the buckthorn. Synonym: rhamnoxanthin. Source: Websters Dictionary (01 Mar 1998) |
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| frangulinic | <chemistry> Pertaining to, or drived from, frangulin, or a species (Rhamnus Frangula) of the buckthorn. <chemistry> Frangulinic acid, a yellow crystalline substance, resembling alizarin, and obtained by the decomposition of frangulin. Source: Websters Dictionary (01 Mar 1998) |