1. Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, Jiangnan University, Wuxi 214122, P. R. China
2. Science Center for Future Foods, Jiangnan University, Wuxi 214122, P. R. China
3. Shandong Jincheng Biological Pharmaceutical Company, Limited, Zibo 255000, P. R. China
4. Yixing Institute of Food Biotechnology Company, Limited, Yixing 214200, P. R. China
5. Food Laboratory of Zhongyuan, Jiangnan University, Wuxi 214122, P. R. China