1. School of Food Science and Engineering; Wuhan Polytechnic Univ.; Wuhan 430023 China
2. Mérieux NutriSciences China; Sino Silliker Testing Services (Shanghai) Co., Ltd.; Shanghai 200231 China
3. MOST-USDA Joint Research Center for Food Safety, School of Agriculture and Biology & State Key Laboratory of Microbial Metabolism; Shanghai Jiao Tong Univ.; Shanghai 200240 China