ALTHOUGH three centuries have elapsed since cinchona bark was introduced into European medicine for the treatment of malaria and it is nearly a century since the last of the four alkaloids ...

Hydrogen atoms can be selectively extracted from symmetrical molecules using a catalyst readily derived from Cinchona alkaloids, researchers in the UK have shown. The researchers went on to form ...

A small to medium-sized, evergreen shrub with very narrow leaves 1-3cm long with long hairs on the undersides, giving a silvery effect. In spring, tiny, dark brown flowers appear in clusters at the ...

A tall, upright biennial or short lived perennial plant with double divided leaves to 1m long, the leaflets being 5–10cm long and slightly furry. In the first year the plant builds up a rosette of ...