1. College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, P. R. China
2. Health Food Industry Research Institute (Xinghua), China Agricultural University, Xinghua, Jiangsu, 225700, P. R. China
3. College of Food Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong, 266109, P. R. China