1. Sichuan Provincial Key Laboratory of Asymmetric Synthesis and Chirality Technology, Department of Chemistry, College of Science, Xihua University, Chengdu 610039, P. R. China
2. Food Microbiology Key Laboratory of Sichuan Province, School of Food and Bioengineering, Xihua University, Chengdu 610039, P. R. China
3. School of Science, Chongqing University of Posts and Telecommunications, Chongqing 400065, P. R. China