A poisonous glucoside accompanying helleborin in several species of hellebore, and extracted as a white crystalline substance with a bittersweet style. This has a strong activity regarding the heart, resembling digitalin.
A colorless glucoside, C26H44O15, the most crucial constituent of black colored and green hellebore-roots (Helleborus niger, H. viridis, and H. fœtidus). It crystallizes in nodules which carbonize at 280° C., features a sweet taste, and it is toxic. Helleborin, C36H42O6 (?), does occur along with it. It really is a robust abdominal irritant and is found in veterinary medicine.