Total phenolic compounds, flavonoids, and radical scavenging activity of 21 selected tropical plants.

  title={Total phenolic compounds, flavonoids, and radical scavenging activity of 21 selected tropical plants.},
  author={Reham A. Mustafa and Azizah Abdul Abdul Hamid and Suhaila Mohamed and Fatimah Abu Bakar},
  journal={Journal of food science},
  volume={75 1},
UNLABELLED Free radical scavenging activity of 21 tropical plant extracts was evaluated using 1,1-diphenyl-2-picrylhydrazyl assay (DPPH). Total phenolic compounds and flavonoids were determined using Folin-Ciocalteu and HPLC, respectively. Results of the study revealed that all the plants tested exhibited excellent antioxidant activity with IC(50) in the range of 21.3 to 89.6 microg/mL. The most potent activity was demonstrated by Cosmos caudatus (21.3 microg/mL) and Piper betle (23.0 microg/mL… CONTINUE READING
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