1. College of Food Science and Nutritional Engineering, China Agricultural University, Key Laboratory of Functional Dairy, Ministry of Education, Beijing 100083, P.R. China
2. Sichuan Institute for Food and Drug Control, Chengdu 611731, P.R. China
3. School of Laboratory Medicine, Hubei University of Chinese Medicine, NO. 1 Huangjia Lake West Road, Wuhan 430065, P.R. China