1. State Key Laboratory of Food Science and TechnologyJiangnan University Wuxi 214122 P. R. China
2. International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and TechnologyJiangnan University Wuxi 214122 P. R. China
3. Department of BiotechnologyYancheng Teachers University Yancheng 22400 P. R. China