Cinchona mutisii

macrocalyx , Cinchona mutisii , Cinchona officinalis , Cinchona pitayensis , Cinchona pubescens Summary: Cinchona alkaloids are a group of 35 alkaloids occurring in the bark of Cinchona trees and includes pharmaceuticals quinine , quinidine and the methoxy derivatives cinchonidine and cinchonine are the most significant ones . quinine is a centuries old treatment for malaria used extensively worldwide. The main source continues to be bark of Cinchona trees . More