1. Chengdu University of Traditional Chinese Medicine Chengdu 611137 P. R. China
2. Research Center for Traditional Chinese Medicine Resources and Ethnic Medicine Jiangxi University of Chinese Medicine Nanchang 330004 P. R. China
3. National Pharmaceutical Engineering Center for Solid Preparation in Chinese Herbal Medicine Jiangxi University of Chinese Medicine Nanchang 330046 P. R. China