Table 3: ABTSradical scavenging activity of JSE.

JSE/TPC (μg/ml) Percent inhibition Linear regression equation
(correlation coefficient)
IC50 (μg/ml)
0.1 22.1±0.8 - -
0.19 32 ± 1 - -
0.29 53 ± 1 y = 145.68x + 4.8059
(R2 = 0.9686)
0.31
0.38 63 ± 1 - -
0.48 68 ±1 - -