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Hygrine :: Hygrine (n.) An alkaloid associated with cocaine in coca leaves (Erythroxylon coca), and extracted as a thick, yellow oil, having a pungent taste and odor..

Harmaline :: Harmaline (n.) An alkaloid found in the plant Peganum harmala. It forms bitter, yellow salts..

Tropine :: Tropine (n.) A white crystalline alkaloid, C8H15NO, produced by decomposing atropine..

Oleandrine :: Oleandrine (n.) One of several alkaloids found in the leaves of the oleander.

Bebirine :: Bebirine (n.) An alkaloid got from the bark of the bebeeru, or green heart of Guiana (Nectandra Rodioei). It is a tonic, antiperiodic, and febrifuge, and is used in medicine as a substitute for quinine..

Cryptopine :: Cryptopine (n.) A colorless crystalline alkaloid obtained in small quantities from opium.

Verine :: Verine (n.) An alkaloid obtained as a yellow amorphous substance by the decomposition of veratrine.

Lupuline :: Lupuline (n.) An alkaloid extracted from hops as a colorless volatile liquid.

Pyrethrine :: Pyrethrine (n.) An alkaloid extracted from the root of the pellitory of Spain (Anacyclus pyrethrum).

Ricinine :: Ricinine (n.) A bitter white crystalline alkaloid extracted from the seeds of the castor-oil plant.

Quinoidine :: Quinoidine (n.) A brownish resinous substance obtained as a by-product in the treatment of cinchona bark. It consists of a mixture of several alkaloids.

Duboisine :: Duboisine (n.) An alkaloid obtained from the leaves of an Australian tree (Duboisia myoporoides), and regarded as identical with hyoscyamine. It produces dilation of the pupil of the eye..

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

Aricine :: Aricine (n.) An alkaloid, first found in white cinchona bark..

Hydrastine :: Hydrastine (n.) An alkaloid, found in the rootstock of the golden seal (Hydrastis Canadensis), and extracted as a bitter, white, crystalline substance. It is used as a tonic and febrifuge..

Peptotoxine :: Peptotoxine (n.) A toxic alkaloid found occasionally associated with the peptones formed from fibrin by pepsinhydrochloric acid.

Guaranine :: Guaranine (n.) An alkaloid extracted from guarana. Same as Caffeine.

Cinchonine :: Cinchonine (n.) One of the quinine group of alkaloids isomeric with and resembling cinchonidine; -- called also cinchonia.

Meconin :: Meconin (n.) A substance regarded as an anhydride of meconinic acid, existing in opium and extracted as a white crystalline substance. Also erroneously called meconina, meconia, etc., as though it were an alkaloid..

Codeine :: Codeine (n.) One of the opium alkaloids; a white crystalline substance, C18H21NO3, similar to and regarded as a derivative of morphine, but much feebler in its action; -- called also codeia..

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