emodin(redirected from frangulic acid)
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A catharitc found in crystalline form in rhubarb, senna, cascara sagrada, and other purgative drugs.
An orange crystalline compound, C15H10O5, that is obtained from rhubarb and other plants and has cathartic, anti-inflammatory, and anticancer properties.
a purgative glycoside found in the plant rhamnus.