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Two new C-glucofuranosyl isoflavones in puerarin injection |
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| Authors: | Hai Jiang Zhang Xiao Ping Yangb Kui Wu Wangc a College of Life Science Chemical Engineering Huaiyin Institute of Technology Huai'an China b College of Pharmaceutical Science Technology Tianjin University Tianjin China c College of Food Science Biotechnology & Environmental Engineering Zhejiang Gongshang University Hangzhou China |
| Institution: | a College of Life Science and Chemical Engineering, Huaiyin Institute of Technology, Huai'an 223003, China;b College of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, China;c College of Food Science Biotechnology & Environmental Engineering, Zhejiang Gongshang University, Hangzhou 310035, China |
| Abstract: | Two new C-glucofuranosyl isoflavones of impurities in puerarin injection were isolated. Their structures were determined to be 8-C-α-glucofuranosyl-7, 4'-dihydroxyisoflavone and 8-C-β-glucofuranosyl-7, 4'-dihydroxy- isoflavone by chemical and spectral analysis. |
| Keywords: | Puerarin injection Pueraria lobata C-glucofuranosyl isoflavones Neopuerarin A Neopuerarin B |
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