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Three flavonoids from the leaves of Astragalus membranaceus and their antifungal activity

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Abstract

A new flavonoid and two known flavonoids were isolated from the EtOAc extract of the leaves of Astragalus membranaceus (Fisch) Bge. var. mongholicus (Bge) Hsiao (A. membranaceus). This is the first report on the structure elucidation of the new compound based on spectroscopic methods including UV, IR, ESI-MS, 1D NMR, and 2D NMR techniques. The isolated compounds exhibited antifungal activity against different Fusarium oxysporum f.sp. dianthi pathotypes.

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Acknowledgments

We thank the financial support from the scientific research project of the Inner Mongolia Autonomous Region colleges in China (NJZZ14182) and the National Natural Science Foundation of China (No. 81460654). The authors are grateful to Ning Xu and Narenchaoketu for the measurements of NMR spectra.

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Authors and Affiliations

  1. College of Traditional Mongolian Medicine, Inner Mongolia University for Nationalities, Tongliao, 028000, Inner Mongolia, China

    Qinghu Wang, Rongjun Wu, Xiaolan Wu, Wenquan Tai, Nayintai Dai, Jiesi Wu & Narenchaoketu Han

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  1. Qinghu Wang
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  2. Rongjun Wu
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  3. Xiaolan Wu
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  4. Wenquan Tai
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  5. Nayintai Dai
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  7. Narenchaoketu Han
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Corresponding author

Correspondence to Qinghu Wang.

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Wang, Q., Wu, R., Wu, X. et al. Three flavonoids from the leaves of Astragalus membranaceus and their antifungal activity. Monatsh Chem 146, 1771–1775 (2015). https://doi.org/10.1007/s00706-015-1473-0

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  • DOI: https://doi.org/10.1007/s00706-015-1473-0

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