Quinine. (Too much quinine in one's system can lead to cinchonism.)
Quinine comes from the bark of the cinchona tree of South America.
Quinine is made from cinchona tree
the answer is a.
Red Cinchona
Quinine is made from cinchona tree
It is neither fruit nor vegetable. Quinine of commerce is obtained from the bark of Cinchona sp.
Quinine is the "drug" from the bark of Cinchona tree that has got antiparasitic properties. It can be used against Malaria.
quinine
Quinidine is a pharmaceutical agent, and is a stereoisomer of quinine that originally derived from the bark of the cinchona tree.
Reducing fever and other symptoms associated with Malaria.
The drug is spelled quinidine, a heart medicine made from cinchona bark (quinine).