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Chemical composition analysis of Paeonia lactiflora Pall. of different storage time

WEI Xianglan1,WAN Ying2,FANG Rutang3,WEI Tangsheng4,JI Aiyun1(1.Xi'an Chest and Tuberculosis Hospital,Shaanxi Xi'an 710061,China;2.Chongqing Fujin Biomedical Co.Ltd.,Congqing 400041,China;3.The 451 Hospital of the Chinese People's Liberation Army,Shaanxi Xi'an 710054,China;4.Chinese and Western Medicine Hospital of Baiyin City,Gansu Baiyin 730900,China)  
Objective To compare the chemical composition change in Paeonia lactiflora Pall. of different storage time.Methods Paeonia lactiflora Pall.of different storage time were determined by HPLC method with paeoniflorin,paeoniflorin sulfite ester,albiflorin and gallic acid as the standards.Results The contents change of paeoniflorin,paeoniflorin sulfite ester did not have obvious correlation `with the storage time,the content of albiflorin gradually decreased with storage period,and the content of gallic acid did not have significant change.Conclusions Paeonia lactiflora Pall.stores time is long,but sulphur fumigation will greatly reduce the content of paeoniflorin.
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