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Study on chemical constituents of Chamaenerion angustifolium Ⅱ. Tannins and related polyphenolic compounds

LIU Yan ze 1, WANG Cai fang 2, HAN Quan bin 1, YU Bing wu 1, DING Gang 1 (1 Department of Phytochemistry, Henan College of TCM, Zhengzhou 450008, China; 2 Department of Pharmaceutical Science, Eastern Zone of Zhengzhou University, Zhengzhou 450052, China)  
Object Study on the chemical constituents of Chamaenerion angustifolium (L ) Scop Methods Isolation by Diaion HP 20 (Tsk), Toyopearl HW 40 (C), MCI gel CHP 20P (Mitsubishi) chromatography column and identification of the structures by physiochemical and spectral methods Results Nine tannins and related polyphenolic compounds were isolated from the air dried section of C angustifolium, and identified as 3 O galloyl D glucose (Ⅰ), 1, 6 di O galloyl β D glucopyranose (Ⅱ), 1 O galloyl 4,6 HHDP β D glucopyranose (Ⅲ), gemin D (Ⅳ), pedunculagin (Ⅴ), tellimagrandin Ⅰ (Ⅵ), woodfordin Ⅰ (Ⅶ), 3 O caffeoyl quinic acid (Ⅷ), gallic acid (Ⅸ) Conclusion These compounds were all seperated from this plant for the first time
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