1. National Engineering Laboratory for Cereal Fermentation Technology; Jiangnan University; Wuxi P. R. China
2. The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology; Jiangnan University; Wuxi P. R. China
3. The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology; Jiangnan University; Wuxi P. R. China