1. School of Food and Chemical Engineering, Shaoyang University, Shaoyang, 422000, P.R. China
2. State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, PR China
3. University of Chinese Academy of Sciences, 101408, Beijing, P.R. China
4. Key Laboratory of Asymmetric Synthesis and Chirotechnology of Sichuan Province, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, P. R. China