If we look at how the bark of the cinchona tree is used to treat malaria, we can see the cutting-edge chemistry of quinine binding an enzyme essential for the malaria parasite’s survival.

The task that faced the cinchona tree hunters was a formidable one ... Only a few species had bark with a high yield of quinine, but these were not easy to identify, as trees of the same species ...

As early as the 17th century, people were using the bark of the cinchona tree to extract quinine, which was effective in treating deadly malaria. Soda water has a history all its own. Joseph ...