1. Institute of Traditional Chinese Medicine and Natural ProductsJinan University Guangzhou 510632 P. R. China
2. Guangdong Province Key Laboratory of Pharmacodynamic Constituents of Traditional Chinese Medicine and New Drugs ResearchJinan University Guangzhou 510632 P. R. China
3. State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical SciencesUniversity of Macau Macao P. R. China