Table 1.
Results of the antiradical activity of natural and semisynthetic coumarins
| Derivative symbol | Scavenger activity versus DPPH free radicals | TP50 (µM)±SD (n=3) | Scavenger activity versus hydroxyl free radicals | TP50 (µM)±SD (n=3) |
|---|---|---|---|---|
| VC | 46.29±0.67 | 50.33±0.91 | ||
| RN | 64.18±0.90 | 68.48±0.95 | ||
| GN | 48.20±0.86 | 52.84±0.76 | ||
| RNs | 89.31±1.05 | 101.06±0.90 | ||
| GNs | 114.05±0.81 | 107.14±0.72 |