1. Angel Yeast Company, Ltd., Yichang 443003, China
2. Shandong Laboratory of Advanced Materials and Green Manufacturing at Yantai, Yantai 264000, P. R. China
3. School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, P. R. China
4. College of Chemistry, Beijing Normal University, Beijing 100091, P. R. China