cinchonas

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Definition of cinchonas in English English dictionary: plural of cinchona
cinchona: The bark of these trees, that yields quinine alkaloids used to treat malaria
cinchona: Any of several South American trees, of the genus Cinchona, cultivated for its medicinal bark
cinchona: Any of about 40 species, mostly trees, that make up the genus Cinchona in the madder family. Cinchona is native to the Andes Mountains. Four species have been cultivated in tropical regions for hundreds of years, mostly in Java and, since World War II, in Africa. The bark is processed to obtain various alkaloids. The most significant are quinine, used to treat malaria, and quinidine, used mainly for cardiac rhythmic disorders. High demand for quinine among Europeans living in the tropics led naturalists to smuggle cinchona seeds from South America to plantations in Asia in the mid 1800s and to conduct intensive research leading to new high-yield strains and improved processing methods
cinchona: The bark of any species of Cinchona containing three per cent
cinchona: A genus of trees growing naturally on the Andes in Peru and adjacent countries, but now cultivated in the East Indies, producing a medicinal bark of great value
cinchona: any of several trees of the genus Cinchona
cinchona: or more of bitter febrifuge alkaloids; Peruvian bark; Jesuits' bark
cinchona: {i} type of evergreen tree; bark of the cinchona tree which yields quinine

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