1. State Key Laboratory of Microbial Technology, Shandong University, Qingdao 266237, China
2. National Glycoengineering Research Center, Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, NMPA Key Laboratory for Quality Research and Evaluation of Carbohydrate-Based Medicine, Shandong University, Qingdao 266237, China
3. Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao 266101, China
4. School of Life Science and Bioengineering, Jining University, Jining 273155, China