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Hyoscyamine :: Hyoscyamine (n.) 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 as a white crystalline substance, with a sharp, offensive taste. Hyoscyamine is isomeric with atropine, is very poisonous, and is used as a medicine for neuralgia, like belladonna. Called also hyoscyamia, duboisine, etc..

Alkaloid :: Alkaloid (a.) Alt. of Alkaloida.

Jervine :: "Jervine (n.) A poisonous alkaloid resembling veratrine, and found with it in white hellebore (Veratrum album); -- called also jervina..

Taxine :: Taxine (n.) A poisonous alkaloid of bitter taste extracted from the leaves and seeds of the European yew (Taxus baccata). Called also taxia.

Jamaicine :: "Jamaicine (n.) An alkaloid said to be contained in the bark of Geoffroya inermis, a leguminous tree growing in Jamaica and Surinam; -- called also jamacina..

Capsicine :: Capsicine (n.) A volatile alkaloid extracted from Capsicum annuum or from capsicin.

Ptomaine :: Ptomaine (n.) One of a class of animal bases or alkaloids formed in the putrefaction of various kinds of albuminous matter, and closely related to the vegetable alkaloids; a cadaveric poison. The ptomaines, as a class, have their origin in dead matter, by which they are to be distinguished from the leucomaines..

Juglandine :: Juglandine (n.) An alkaloid found in the leaves of the walnut (Juglans regia).

Solanidine :: Solanidine (n.) An alkaloid produced by the decomposition of solanine, as a white crystalline substance having a harsh bitter taste..

Veratrine :: Veratrine (n.) A poisonous alkaloid obtained from the root hellebore (Veratrum) and from sabadilla seeds as a white crystalline powder, having an acrid, burning taste. It is sometimes used externally, as in ointments, in the local treatment of neuralgia and rheumatism. Called also veratria, and veratrina..

Harmine :: Harmine (n.) An alkaloid accompanying harmaline (in the Peganum harmala), and obtained from it by oxidation. It is a white crystalline substance..

Gelsemine :: Gelsemine (n.) An alkaloid obtained from the yellow jasmine (Gelsemium sempervirens), as a bitter white semicrystalline substance; -- called also gelsemia..

Atropine :: Atropine (n.) A poisonous, white, crystallizable alkaloid, extracted from the Atropa belladonna, or deadly nightshade, and the Datura Stramonium, or thorn apple. It is remarkable for its power in dilating the pupil of the eye. Called also daturine..

Sparteine :: Sparteine (n.) A narcotic alkaloid extracted from the tops of the common broom (Cytisus scoparius, formerly Spartium scoparium), as a colorless oily liquid of aniline-like odor and very bitter taste..

Berberine :: Berberine (n.) An alkaloid obtained, as a bitter, yellow substance, from the root of the barberry, gold thread, and other plants..

Alkaloidal :: Alkaloidal (a.) Pertaining to, resembling, or containing, alkali..

Quinidine :: Quinidine (n.) An alkaloid isomeric with, and resembling, quinine, found in certain species of cinchona, from which it is extracted as a bitter white crystalline substance; conchinine. It is used somewhat as a febrifuge..

Vicine :: Vicine (n.) An alkaloid ex tracted from the seeds of the vetch (Vicia sativa) as a white crystalline substance.

Quinine :: Quinine (n.) An alkaloid extracted from the bark of several species of cinchona (esp. Cinchona Calisaya) as a bitter white crystalline substance, C20H24N2O2. Hence, by extension (Med.), any of the salts of this alkaloid, as the acetate, chloride, sulphate, etc., employed as a febrifuge or antiperiodic. Called also quinia, quinina, etc..

Wrightine :: Wrightine (n.) A rare alkaloid found in the bark of an East Indian apocynaceous tree (Wrightia antidysenterica), and extracted as a bitter white crystalline substance. It was formerly used as a remedy for diarrh/a. Called also conessine, and neriine..

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