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The Antioxidant Compounds from Urtica fissa Flowers

  • Mengyue Wang
  • Lili Wu
  • Hao Zhang
  • Dun Zhu Ci Ren
  • Tonghua LiuEmail author
  • Xiaobo LiEmail author
Article
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Eleven compounds (1–11), including two new compounds (1, 2), were isolated from the antioxidant portion of the alcoholic extract of Urtica fissa flowers. Their chemical structures were elucidated from extensive spectroscopic analysis. The results of activity evaluation indicated that some compounds of phenolic acids (3, 4), flavonoids (7, 9, 10), and lignans (1, 6) possess significant activities of ABTS and DPPH radical scavenging, with EC50 values less than 8 μM.

Keywords

nettle Urtica fissa flowers antioxidant activity 

Notes

Acknowledgment

Mengyue Wang and Lili Wu contributed equally to this work. This study was financially supported by grants from the National Natural Science Fund of China (No. 81374067) and the Region Collaborative Innovation Center of Tibetan Medicine (2017XTCX004).

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© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.School of Pharmacy, Shanghai Jiao Tong UniversityShanghaiP. R. China
  2. 2.Beijing University of Chinese MedicineBeijingP. R. China
  3. 3.Tibetan Traditional Medical CollegeLasaP. R. China

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