1. Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology; Jiangnan Univ.; Wuxi Jiangsu 214122 China
2. Hefei Natl. Laboratory for Physical Sciences at Microscale and School of Life Sciences; Univ. of Science and Technology of China; Hefei Anhui 230027 China
3. the Dept. of Chemistry, College of Science and Technology; Univ. of Rwanda; Rwanda
4. School of Food Science; Jiangnan Univ.; Wuxi Jiangsu 214122 China
5. Dept. of Microbiology and Immunology; McGill Univ.; Montreal QC H3A 2B4 Canada
6. Dept. of Food Science and Biotechnology; Kangwon Natl. Univ.; Chuncheon 200701 South Korea