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International Journal of Phytomedicine and Phytotherapy

Table 2 DPPH free radical scavenging activity, reducing power, and β-carotene bleaching inhibition of RAAE

From: Rhamnus alaternus aqueous extract enhances the capacity of system redox defence and protects hepatocytes against aluminum chloride toxicity in rats

Extract/Standard EC50 values (µg/ml)
  DPPH scavengingActivity β- Carotenebleaching inhibition Reducing power
AA 7.24 ± 0.45 NT 8.52 ± 0.63
BHT 37.85 ± 1.12 20.46 ± 0.84 56.13 ± 1.22
RAAE 60.08 ± 2.09 52.34 ± 1.16 43.06 ± 1.90
  1. Values are means of three replications ± SEM; NT: Not tested
  2. AA Ascorbic acid, BHT Butyl hydroxytoluene, RAAE R. alaternus aqueous extract; EC50: Extract concentration corresponding to 50 % of the antioxidant activity or 0.5 of absorbance in reducing power assay