 Alkaloids present in the fresh plant or the dried root included atropine, hyoscyamine, scopolamine (hyoscine), scopine, cuscohygrine, apoatropine, 3-alpha-tigloyloxytropane, 3-alpha,6-beta-ditigloyloxytropane and belladonnines.Non-alkaloid constituents included sitosterol and beta-methylesculetin (scopoletin).The alkaloids make the plant, in particular the root and leaves, poisonous, via anticholinergic, hallucinogenic, and hypnotic effects.