中国结合医学杂志（英文版）Chinese Journal of Integrative Medicine

Author Name	Affiliation	E-mail
Chen Kai	Canadian College of Acupuncture and Oriental Medicine, Victoria, B.C., Canada	Chenkia@yahoo.com
Angela Berscheid	Canadian College of Acupuncture and Oriental Medicine, Victoria, B.C., Canada

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Abstract:

Ma huang (Herba Ephedrae,麻黄) In this genus, there are several kinds of Ma huang, commonly used Cao ma huang (Ephedra sinica stapf.) and Mu zei ma huang (E. equisetina Bge.), and both functions and toxin are the same. It China, it is very commonly used to treat asthma, common cold, cough and Yang edema. Its active components are ephedrine alkaloids, which also perhaps mildly suppress the appetite via the CNS hunger center. For this reason, it is mainly used in North America in an attempt to control bodyweight. The amounts of ephedrine alkaloids are 0.481-2.47 % and 2.093-3.05% in Cao ma huang and Mu zei ma huang separately.