1. College of Food Science and Nutritional Engineering, China Agricultural University, Haidian, Beijing, China;
2. Laboratory of nutrition and food safety, Xiamen Medical College, Xiamen, Fujian, China;
3. Ministry of Agriculture, Institute of Food and Nutrition Development, Haidian, Beijing, China;
4. Department of Food Science and Technology, Virginia Polytechnic Institute and State University (Virginia Tech), Blacksburg, Virginia, USA