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Table 4 DPPH radical scavenging activity and reducing power of methanolic extracts of T. apollinea in comparison with gallic acid

From: Medicinally active principles analysis of Tephrosia apollinea (Delile) DC. growing in the United Arab Emirates

Antioxidant activity
Concentration (µg/ml) Inhibition (%) Concentration (µg/ml) Absorbance 700 nm
GAE TAE GAE TAE
10 38.1 ± 1.8 40.6 ± 2.2 10 0.061 ± 0.015 0.268 ± 0.024
20 43.1 ± 2.7 54.6 ± 1.8 20 0.072 ± 0.022 0.298 ± 0.028
30 58.1 ± 1.2 59.6 ± 3.8 30 0.084 ± 0.017 0.314 ± 0.022
40 62.1 ± 3.4 61.5 ± 2.6 40 0.091 ± 0.013 0.333 ± 0.031
50 67.5 ± 4.3 72.1 ± 3.3 50 0.110 ± 0.011 0.340 ± 0.024
IC50 29.41 31.09 R2 value 0.956 0.984
  1. Values are the average of triplicate experiments and represented as mean ± standard deviation
  2. GAE gallic acid equivalent, TAE T. apollinea extract