Hellebore rhizome

Veratrine was independently discovered in sabadilla seeds Veratrum sabadilla) and hellebore rhizomes Veratrum album) by Meissner and by Pelletier and Caventou. Piperine was discovered in pepper by 0rsted and by Pelletier. ... 

The rhizome and root of Veratmm album (white hellebore) and the rhizome of Veratrum viride (green hellebore) contain many alkaloids, including hypotensive ester alkaloids and jervine. Veratrum califomicum contains the alkaloids cyclopamine, cycloposine, and jervine. 

Hellebore The dried rhizome and roots of any medicinal herb of the genus Helteborus. especially white hellebore, containing a number of alkaloids, as veretrlne, etc., which acts as a sedative end e depressant. Used ex-temally as a oarasiticids and Insecticide pokeroot pokeweed. 

Veratrum viride. American hellebore green hellebore American veratrum Indian poke. Dried rhizome and roots of Veratrum viride Ait., Liliaceae. Habit. North America. Constit. The alkaloids jervine, pseudojervine, rubijervine, cevadine, germitrine. germidine, veratralbine, veratroidine. See Seiferle et ai.. J. Econ. E-stomol 35, 35 (1942) Fried el al. J. Am. Chem. Soc. 72, 4621 (1950). Review Kupchan, J. Pharm Sci 50, 273-287 (]961). 

Veratrum califomicum, commonly loiown as false hellebore or com lily, is a coarse, weedy plant that thrives between 6500-7000 feet of elevation and is avoided by most livestock, but not sheep [28]. The numerous erect stems of the plant are connected to each other by underground stems or rhizomes. Some of the stems bear open clusters (panicles) of dull greenish-white flowers. Fig. (3), whereas others end in a somewhat smaller leaf. The latter. Fig. (4), are a fascinating botanical curiosity. Each leaf blade is supported by a sheath that encircles the... 

As the name implies, bufadienolides are found in the secretions of toads (Bufo). They are also present in plants. One such is hellebrigenin from the rhizomes of the black hellebore (Helleborus niger). The bio-... 

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