an insoluble alkaloid, extracted from the roots of the plant Rauwolfia serpentina, used medicinally to lower blood pressure and as a sedative and tranquillizer. Its main adverse effect is mental depression. Formula: C33H40N2O9
C20: from German Reserpin, probably from the New Latin name of the plant
reserpine re·ser·pine (rĭ-sûr'pēn', -pĭn, rěs'ər-pĭn, -pēn', rěz'-) n. A white to yellowish powder isolated from the roots of certain species of Asian shrubs and used as a sedative and an antihypertensive.