International Journal of Phytomedicine and Phytotherapy
Table 2 DPPH free radical scavenging activity of ascorbic acid and I. mauritiana extract
Concentration (μg/mL) | % of scavenging of DPPH (Mean ± STD) | |
|---|---|---|
Ascorbic acid (Standard) | I. mauritiana extract | |
6.25 | 14.055 ± 1.637 | 20.682 ± 1.147 |
12.5 | 16.665 ± 1.551 | 26.506 ± 1.639 |
25 | 20.478 ± 1.471 | 31.927 ± 1.803 |
50 | 27.205 ± 1.636 | 38.453 ± 1.885 |
100 | 42.768 ± 1.635 | 48.996 ± 1.731 |
200 | 74.897 ± 1.636 | 59.036 ± 1.856 |
400 | 87.821 ± 1.726 | 66.867 ± 1.784 |
800 | 90.963 ± 1.638 | 72.289 ± 1.803 |
IC50 (μg/mL) | 230.09 | 275.084 |