上浒充通大睾 Shanghai Jiao Tong University Artemisinin (青蒿素) The weed Artemisia annua used for many centuries in Chinese herbal medicine as a treatment for fever and malaria. 1971,Chinese chemists isolated from the leafy portions of the plant the substance responsible for its reputed medicinal action. Artemisinin (qinghaosu,arteannuin),determined by X- ray crystallography to be a sesquiterpene e lactone bearing an endoperoxideShanghai Jiao Tong University Artemisinin (青蒿素) The weed Artemisia annua used for many centuries in Chinese herbal medicine as a treatment for fever and malaria. 1971, Chinese chemists isolated from the leafy portions of the plant the substance responsible for its reputed medicinal action. Artemisinin (qinghaosu, arteannuin), determined by Xray crystallography to be a sesquiterpene lactone bearing an endoperoxide