1. Guangxi Key Laboratory of Green Processing of Sugar Resources, College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou 545006, Guangxi Province, P. R. China
2. School of Medicine, Guangxi University of Science and Technology, Liuzhou 545006, Guangxi Province, P. R. China
3. Province and Ministry Co-sponsored Collaborative Innovation Center of Sugarcane and Sugar Industry, Nanning 530004, Guangxi Province, People's Republic of China