The general name for several trees in the bark of which QUININE is found. This bark is also known as Jesuit’s bark, having been ﬁrst brought to notice by Spanish priests in South America, and ﬁrst brought to Europe by the Countess of Cinchon, wife of the Viceroy of Peru, in 1640. The red cinchona bark contains the most quinine; quinine is usually prepared from this. Various extracts and tinctures are made direct from cinchona bark, and used in place of quinine.
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