1. The Key Laboratory of Industrial Biotechnology, Ministry of Education; School of Biotechnology, Jiangnan University; 1800 Lihu Road Wuxi 214122 China
2. National Engineering Laboratory for Cereal Fermentation Technology; Jiangnan University; 1800 Lihu Road Wuxi 214122 China
3. Jiangsu Nongken Malting Co. Ltd; 8 North Ring Road Sheyang 224300 China