Macroscopic and Microscopic Identification Study of Dongchongxiacao (Cordyceps sinensis ( Berk. ) Sacc.) and Its Counterfeits
YANG Sha1, KANG Shuai2,3, QI Jing-liang1, GAO Bi-xing1, ZHENG Yu-guang3*
1. Sichuan Institute for Food and Drug Control, Chengdu 611731, China; 2. National Institutes for Food and Drug Control, Beijing 100050, China; 3. College of Pharmacy, Hebei University of Chinese Medicine, Shijiazhuang 050200, China
Abstract：OBJECTIVE To research for the identification of Dongchongxiacao [Cordyceps sinensis( Berk.) Sacc.] and its counterfeits-processed materials from Cordyceps taii Liang et Liu. METHODSE On the basis of the specimens of Dongchongxiacao and four types of counterfeits, the macroscopic and microscopic identification methods were studied, including the comparison of the macroscopic features, such as insertion position of stroma, colour of caterpillar part, abdominal leg, and the microscopic features such as the transverse section of the stroma, the caterpillar′s body wall and the planta of abdominal leg. RESULTS The differences between Dongchongxiacao and four types of counterfeits were obvious in macroscopic and microscopic features. CONCLUSION Dongchongxiacao and its counterfeits-processed materials from Cordyceps taii Liang et Liu. can be identified by the differernces of macroscopical and microscopical fetures.
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2020, Vol. 55 
