1. Academy of Chinese Medical Sciences, Henan University of Chinese Medicine, Zhengzhou 450046, P.R. China
2. Key Laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610065, Sichuan, China
3. School of Basic Medicine, Nanchang Medical College, Nanchang 330052, Jiangxi, China
4. College of Chemical and Food Engineering, Zhengzhou Institute of Technology, Zhengzhou 450044, China