Quinine

+**Quinine** is a naturally occurring bitter alkaloid extracted from the bark of the [Cinchona](/wiki/cinchona) tree. It has served for centuries as a vital [Antimalarial](/wiki/antimalarial) medicine and a febrifuge, easing fever's grip. Its distinct flavor also makes it an ingredient in tonic water.

+## See also

+- [Malaria](/wiki/malaria)

+- [Alkaloid](/wiki/alkaloid)

+- [Drug](/wiki/drug)