1. The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, P. R. China
2. National Engineering Laboratory for Cereal Fermentation Technology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, P. R. China
3. Jiangsu Provincial Research Center for Bioactive Product Processing Technology, 1800 Lihu Road, Wuxi 214122, P. R. China
4. School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, P. R. China