active+principle
131duboisine — Hyoscyamine Hy os*cy a*mine, n. [See {Hyoscyamus}.] (Chem.) An alkaloid found in henbane ({Hyoscyamus niger}), and regarded as its active principle. It is also found with other alkaloids in the thorn apple and deadly nightshade. It is extracted… …
132Ecballium agreste — Elater El a*ter, n. (Chem.) The active principle of elaterium, being found in the juice of the wild or squirting cucumber ({Ecballium agreste}, formerly {Motordica Elaterium}) and other related species. It is extracted as a bitter, white,… …