1. College of Pharmacy, Ningxia Medical University, Yinchuan, PR China
2. Key Laboratory of Protection, Development and Utilization of Medicinal Resources in Liupanshan Area Ministry of Education, Ningxia Medical University, Yinchuan, PR China
3. Key Laboratory of Ningxia Ethnomedicine Modernization, Ministry of Education, Ningxia Engineering and Technology Research Center of Characteristic Chinese Medicine Modernization, Ningxia Medical University, Yinchuan, PR China