A glycoside compound found in the bark of buckthorn plants, used historically as a laxative.
From 'gluco-' (glucose component) plus 'frangulin,' named after the buckthorn genus Frangula; combines chemistry prefix with plant taxonomy.
Glucofrangulin shows how plants make their own powerful medicines—buckthorn plants produce this compound as a laxative to clean out any animals that eat them, nature's own pharmacy warning label!
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