1. School of Pharmacy, Drug Research & Development Center, Wannan Medical College, Wuhu, Anhui, China
2. Anhui Provincial Engineering Research Center for Polysaccharide Drugs, Anhui Provincial Engineering Laboratory for Screening and Re-evaluation of Active Compounds of Herbal Medicines in Southern Anhui, Anhui Province Key Laboratory of Active Biological Macromolecules, Wuhu, China