In vitro antioxidant activity of three Piper species.

@article{Agbor2007InVA,
  title={In vitro antioxidant activity of three Piper species.},
  author={Gabriel A Agbor and Joe A Vinson and Julius Enyong Oben and Jeanne Yonkeu Ngogang},
  journal={Journal of herbal pharmacotherapy},
  year={2007},
  volume={7 2},
  pages={
          49-64
        }
}
Reactive oxygen species are known to play a role in numerous pathological conditions, and antioxidants from plant sources have been of great help in modulating this effect. This study assesses the methanolic extracts of the leaves of three Piper species (Piper guineense Schum and Thonn., Piper nigrum L. and Piper umbellatum L.) (Piperaceae) for their polyphenolic concentration and free radical scavenging activity. The Folin-Ciocalteu method was used to assess the polyphenolic concentration… CONTINUE READING
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