1. Nanjing Institute for the Comprehensive Utilization of Wild Plants; Nanjing 210042 P.R. China
2. State Key Laboratory of Pharmaceutical Biotechnology; Nanjing University; Nanjing 210046 P.R. China
3. Elion Nature Biological Technology Co. Ltd.; Nanjing 210038 P.R. China
4. Jiangsu Key Laboratory of Biofunctional Molecules, College of Life Science and Chemistry & Chemical Engineering; Jiangsu Second Normal University; Nanjing 210013 P.R. China