... plant Artemisia annua L., is used to treat fever and malaria. Artemether, isolated from Chinese-Vietnamese plant Artemisia annua L., locally ... called "qing hao", is used to treat fever and malaria. It is a white crystalline powder with a bitter taste ... ,12-epoxy- 12H-pyrano (4,3-j)-1,2-benzodioxepin. Malaria is one of leading re-emerging infectious disease due to ...