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cinchona

Pronunciation: sin-ko'na

Definition: 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): bark2, Jesuits' bark, Peruvian bark, quina, quinaquina, quinquina

[Cinchona, fr. Countess of Chinch'on]

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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