Table 6: Antioxidant effects of the P. vulgaris L. on inhibition of the ABTS•+.

FractionConcentration ( 𝜇 g/mL)Inhibition (%) I C 5 0 ( 𝜇 g/mL)

16.6799.44 ± 0.20
Troloxa3.3345.48 ± 1.203.84 ± 0.10
1.6721.76 ± 1.15

33.3384.60 ± 1.17
Water extract16.6763.67 ± 1.2712.42 ± 0.47
8.3333.98 ± 1.51

n-Hexane fr.33.3314.73 ± 0.39

33.3395.03 ± 0.65
Methylene chloride fr.16.6769.59 ± 0.849.92 ± 0.16
8.3343.36 ± 0.57

8.3396.99 ± 0.32
Ethyl acetate fr.3.3362.39 ± 0.832.59 ± 0.05
1.6730.64 ± 0.93

16.6797.66 ± 0.16
n-Butanol fr.8.3371.54 ± 1.185.15 ± 0.07
3.3331.36 ± 0.62

Water fr.33.3342.86 ± 1.63

Inhibition rates were calculated as percentages with respect to the control value. aTrolox was used as positive control. Inhibitory effect was expressed as mean ± SD of triplicate experiments.