1. Natl. Engineer Research Center for Meat Quality and Safety Control; Nanjing 210095 PR China
2. Key Laboratory of Meat Processing and Quality Control, Ministry of Agriculture; Nanjing 210095 PR China
3. Synergetic Innovation Center of Food Safety and Nutrition; Nanjing Agricultural Univ; Nanjing 210095 PR China
4. College of Food Science and Engineering; Shandong Agricultural Univ; Taian 271018 PR China
5. Quality and Safety Assessment Research Unit, Agricultural Research Service; USDA; Athens GA 30605 U.S.A.