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Table 2 Radical scavenging activities of aqueous crude leaf extract of H. longifolium and BHT as standard at different concentrations.

From: Preliminary phytochemical screening and In vitro antioxidant activities of the aqueous extract of Helichrysum longifolium DC

Percentage inhibition (% I) of radical scavenging of H. longifolium
Extract or BHT concentration (mg/ml) Superoxide anion Nitric oxide DPPH Hydrogen peroxide ABTS
0.2 62.65(60.16) 31.71(40.27) 40.91(42.62) 58.99(68.61) 50.00(51.17)
0.4 67.55(73.49) 42.00(46.27) 47.63(53.00) 66.14(73.29) 59.31(63.39)
06 72.16(77.12) 62.28(61.87) 58.33(73.99) 70.85(76.22) 66.31(77.20)
0.8 75.01(79.96) 64.96(80.29) 75.91(82.32) 72.44(80.00) 75.10(77.95)
  1. BHT values in parenthesis.