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Quinquina
EncyclopediaSeecinchonaquinquina
cin·cho·na (sin-kō'nă), The dried bark of the root and stem of various species of Cinchona, a genus of evergreen trees (family Rubiaceae), native of South America but cultivated in various tropic regions. The cultivated bark contains 7-10% of total alkaloids; about 70% is quinine. Cinchona contains more than 20 alkaloids, of which two pairs of isomers are most important: quinine and quinidine, and cinchonidine and cinchonine. Synonym(s): bark (2) , Jesuits' bark, Peruvian bark, quina, quinaquina, quinquina [Cinchona, fr. Countess of Chinch'on] quinquina Herbal lmedicine
(1) China, see there.
(2) Cinchona, see there; Cinchona species. |