Table 4: Hydrogen peroxide scavenging activity of JSE.

JSE/TPC (μg/ml) Percent inhibition Linear regression equation
(correlation coefficient)
IC50 (μg/ml)
1.91 26 ± 1 - -
3.83 35.2 ± 0.9 - -
5.74 49.1 ± 0.8 y = 8.012x + 4.588
R2 = 0.984
5.67
7.66 66 ± 1 - -
9.55 81 ± 1 - -