Meanings (ES + gloss)
quinina
An alkaloid with the chemical formula C₂₀H₂₄N₂O₂, originally derived from cinchona bark (from plants of the genus Cinchona), used to treat malaria and as an ingredient of tonic water, which presents as a bitter colourless powder; also, a drug containing quinine or a chemical compound derived from it.
The alkali of yellow bark may be distinguished from cinchonine by the name of quinine.
The quinine, being more potent than cinchonine, is generally preferred.
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