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An amorphous bitter glucoside derived from cinchona and other barks. Called also quinova bitter, and quinova. [Written also chinovin, and kinovin.]

A glucoside resembling, but distinct from, quercitrin. Rutin is found in the leaves of the rue (Ruta graveolens) and other plants, and obtained as a bitter yellow crystalline substance which yields quercitin on decomposition.

A glucoside found in the leaves of several species of willow (Salix) and poplar, and extracted as a bitter white crystalline substance.salicyl alcohol glucoside, salicyl alcohol b-D- glucopyranoside, saligenin b-D-glucopyranoside, C13H18O7. It is used in biochemistry as a standard substrate for evaluating the potency o…

A poisonous glucoside found in many plants, as in the root of soapwort (Saponaria), in the bark of soap bark (Quillaia), etc. It is extracted as a white amorphus powder, which occasions a soapy lather in solution, and produces a local anæstesia. Formerly called also struthiin, quilaiin, senegin, polygalic acid, etc. By…

A glucoside extracted from squill (Scilla) as a light porous substance.

A glucoside found in the seeds of white mustard (Brassica alba, formerly Sinapis alba), and extracted as a white crystalline substance.

A glucoside found in the seeds of black mustard (Brassica nigra, formerly Sinapis nigra) It resembles sinalbin, and consists of a potassium salt of myronic acid.

A poisonous alkaloid glucoside extracted from the berries of common nightshade (Solanum nigrum), and of bittersweet, and from potato sprouts, as a white crystalline substance having an acrid, burning taste; -- called also solonia, and solanina.

A glucoside found in the bark of the lilac (Syringa) and extracted as a white crystalline substance; -- formerly called also lilacin.

A glucoside extracted from the leaves of a certain plant (Urechitis suberecta) as a bitter white crystalline substance.

A poisonous glucoside found accompanying urechitin, and extracted as a bitter white crystalline substance.

A glucoside extracted from the root of a South African plant of the genus Vernonia, as a deliquescent powder, and used as a mild heart tonic.

A glucoside extracted from the root of the white swallowwort (Vincetoxicum officinale, a plant of the Asclepias family) as a bitter yellow amorphous substance; -- called also asclepiadin, and cynanchin.

A yellow crystalline glucoside obtained from the pansy (Viola tricolor), and decomposing into glucose and quercitrin.

A glucoside extracted from Persian berries as a yellow crystalline powder, used as a dyestuff.

A glucoside found in the poisonous berries of a species of honeysuckle (Lonicera xylosteum), and extracted as a bitter, white, crystalline substance.