1. Guangxi Key Laboratory of Natural Polymer Chemistry and Physics, College of Chemistry and Materials, Nanning Normal University, Nanning 530001, P. R. China
2. Department of Food Science and Technology, University of Nebraska-Lincoln, Lincoln, Nebraska 68588, United States
3. School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310018, P. R. China