1. Institute of Traditional Chinese Medicine and Natural Products; College of Pharmacy; Jinan University; Guangzhou 510632 P. R. China
2. Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research; Jinan University; Guangzhou 510632 P. R. China
3. Guangdong Saskatchewan Oilseed Joint Laboratory; Guangdong Engineering Technology Research Center for Oils and Fats Biorefinery; Department of Food Science and Engineering; Jinan University; Guangzhou 510632 China