==Chemical Composition==
Seed contains anthraquinonesOne new steroid alkaloid,namely; (aurantio12β-obtusinhydroxylveratroylzygadenine and four known compounds, chryso-obtusinverdine,obtusinjervine, chrysoobtusin-2-O-beta-glucosideveramarine,physcion,emodin,chrysophanol,obtusifolin,obtusifolin-2-O-beta-D-glucoside, alaternin 2-O-β-Dglucopyranoside)15, brassinosteroids(brassinolide, castasterone, typhasterol,teasteroneand veratroylzygadenine, have been isolated from the roots and 28-norcastasterone), andmonoglycerides (monopalmitin andmonoolein)16rhizomes of Veratrum nigrum L. Phenolic glycosides such asrubrofusarin triglucoside, nor-rubrofusaringentiobioside, demethylflavasperonegentiobioside, torachrysone gentiobioside,torachrysone tetraglucoside and torachrysoneapioglucoside were also isolated 17<ref name="chemical composition"/>
==Common names==
