Analysis and Comparison of Daxueteng and Their Extracts by FTIR
YIN Quan1,LI Hui-fen1*,ZHOU Qun2, XU Mao-ling1, YAN Shu1, SUN Su-qin2, WU Xian-zhong3
1.School of Pharmaceutical Sciences，Tianjin Medical University，Tianjin 300070, China 2.Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China 3.Tianjin Institute of Acute Abdominal Diseases of Integrated Traditional and Western Medicine, Tianjin 300100, China
Abstract：The present study is to compare and analyze Sargentodoxa cuneata (oliv) Rehd.etwi1s herbs, the aqueous, anthraquinone extracts and residue in Jiang Xi and An Hui quickly and undamagedly by Fourier transform infrared spectroscopy(FTIR) and two-dimensional correlation spectroscopy.In the spectra of DaXueTeng, there are two strong peak areas at about 1 400-1 620 cm-1 and 1 000-1 200 cm-1, and it was concluded that DaXueTeng contains much glycoside and anthraquinone.Anthraquinone extracts only exhibit strong peaks of 1 400-1 620 cm-1 which were stronger than that of 1 000-1 200 cm-1, and this illustrated that this method was adapted to extracting anthraquinone; then aqueous only show powerful peaks of 1 000-1 200 cm-1, so the authors know that the craftwork was suitable for extracting glycoside; finally, the authors also found that the residue of DaXueTeng contained much calcium oxalate.All of these illustrated that FTIR could not only analyze and identify traditional Chinese medicine (TCM) and extract components, but also discriminate contents of different extracts of TCM.The authors developed the new method to analyze and evaluate the DaXueTeng and their pharmacodynamic extracts successfully.
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