berberine

noun Pharmacology.

1. a white or yellow, crystalline, water-soluble alkaloid, C20H19NO5, derived from barberry or goldenseal, used as an antipyrotic, antibacterial, and stomachic.

noun

1. a yellow bitter-tasting alkaloid obtained from barberry and other plants and used medicinally, esp in tonics. Formula: C 20 H 19 NO 5

n.

1. A bitter-tasting yellow plant alkaloid used as an antipyretic and antibacterial agent.