1. Joint International Research Laboratory of Agriculture and Agri-Product Safety, the Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu 225009, P. R. China
2. College of Bioscience and Biotechnology, Yangzhou University, Yangzhou 225009, P. R. China
3. Institute of Bioengineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, P. R. China