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n.1.(Chem.) A yellow crystalline dyestuff, regarded as a glucoside, extracted from a species (Rhamnus Frangula) of the buckthorn; - called also rhamnoxanthin.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Teng CM, Lin CH, Lin CN, Chung MI, Huang TF (1993) Frangulin B, an antagonist of collagen-induced platelet aggregation and adhesion, isolated from Rammus formosana.