1. College of Pharmacy and Biological Engineering Chengdu University Chengdu 610106 China
2. Pharmacy College Chengdu University of Traditional Chinese Medicine Chengdu 611137 China
3. Key Laboratory of Coarse Cereal Processing Ministry of Agriculture and Rural Affairs Chengdu 610106 China
4. The Ministry of Education Key Laboratory of Standardization of Chinese Herbal Medicine Chengdu 611137 China