A laborer scrapes the bark from a cinchona tree. The bark is then sundried and pulverized to make the drug quinine. The story behind the chance discovery of the anti-malarial drug quinine may be ...

This was not an uncommon practice. Tonic water, made from the bark of the cinchona tree, contained quinine, which guarded ...

Quinine in the blood kills the plasmodium in the blood. The Dutch monopoly is important because 95% of the cinchona bark from which quinine is refined comes from Java and other oriental Dutch ...

ALTHOUGH three centuries have elapsed since cinchona bark was introduced into European ... a century since the last of the four alkaloids—quinine, quinidine, cinchonine, and cinchonidine ...