1. College of Food Science and Engineering, Northwest A&F University, 22 Xinong Road, Yangling, Shaanxi 712100, China
2. Medical College, Yangzhou University, No. 11 Huaihai Road, Yangzhou, Jiangsu 225009, China
3. Department of Public Health Laboratory Sciences, School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China