1. State Key Laboratory of Food Science and Technology; Jiangnan University; 1800 Lihu Ave Wuxi 214122 Jiangsu P.R. China
2. Centre for Brewing Science and Enzyme Biotechnology, School of Biotechnology; Jiangnan University; 1800 Lihu Ave Wuxi 214122 Jiangsu P.R. China
3. Center of Science and Technology; ChangYu Group Company Ltd; Yantai 264001 P.R. China