1. State Key Laboratory of Food Science and Technology Jiangnan University 1800 Lihu Road Wuxi Jiangsu 214122 China
2. School of Food Science and Technology, Collaborative Innovation Center of Food Safety and Quality Control Jiangnan University 1800 Lihu Road Wuxi Jiangsu 214122 China
3. Department of Animal Sciences Colorado State University 350 W. Pitkin St. Fort Collins CO 80523‐1171 USA