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Table 3 Antioxidant activity (%AOA) of EEP and its fractions

From: Brazilian red propolis: phytochemical screening, antioxidant activity and effect against cancer cells

  Concentration (μg/mL) / (%AOA)   
  25.0 15.0 10.0 5.0 2.5 1.0 IC50 (μg/ml)
EEP 86.57 73.43 64.18 38.51 25.97 11.34 8.01
hexane fraction 90.42 87.04 76.62 49.00 44.22 18.87 5.15
chloroform fraction 86.86 84.18 69.55 47.16 41.19 16.79 5.20
ethyl acetate fraction 88.73 76.90 59.44 34.93 24.79 11.27 6.01
Trolox 68.30 50.02 28.00 12.98 6.07 3.02 14.68
  1. Free radical DPPH sequestering activity (%) of the ethanolic extract of Brazilian red propolis and its hexane, chloroform and ethyl acetate fractions