1. School of Food Science and Engineering, Hainan University, No. 58 Renmin Avenue, Haikou 570228, China
2. Engineering Research Center of Utilization of Tropical Polysaccharide Resources, Ministry of Education, Hainan University, No. 58 Renmin Avenue, Haikou 570228, China
3. Haikou Zhisu Biological Resources Research Institute Co., Ltd., Haikou 570203, China