1. School of Chemistry and Materials Engineering, Fuyang Normal University, Fuyang, Anhui 236037, P. R. China
2. Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang, Anhui 236037, P. R. China
3. Research Center of Anti-aging Chinese Herbal Medicine of Anhui Province, Fuyang, Anhui 236037, P. R. China