1. Xiangya School of Pharmaceutical Science, Central South University, Changsha, 410013 Hunan, China
2. Guangxi Key laboratory of Functional Phytochemicals Research and Utilization, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, Guilin 541006, China
3. Hunan Key laboratory of Diagnostic and Therapeutic Drug Research for Chronic Diseases, Central South University, Changsha, 410013 Hunan, China