alkaloidal

an alkaloidal extract or tincture of the poisonous belladonna plant that is used medicinally

An alkaloidal principle obtained from the celandine, and named from the red color of its salts

hence, by extension, any one of the series of alkaloidal bases of which quinoline proper is the type.

An alkaloidal ureide, C7H8N4O2, homologous with and resembling caffeine, produced artificially, and also extracted from cacao and chocolate (from Theobroma Cacao) as a bitter white crystalline substance

Any one of a series of artificial ethereal salts derived from the alkaloidal base tropine.