The cinchona tree is native to the Andean rainforest, and its bark contains an alkaloid called quinine that prevents the ...

If you have nocturnal (nighttime) leg cramps, your doctor might prescribe quinine (Qualaquin)-even though the U.S. Food and Drug Administration has approved it for only one purpose: to treat ...

The discovery of quinine and artemisinin, two natural medicines, fundamentally changed human health, altered the world order, ...

Some well-known alkaloids include caffeine, morphine and quinine. Other alkaloids have antiviral, anticancer and antimicrobial properties. Unfortunately, plants only produce small amounts of these ...