Table 2.
The scavenging activity of DPPH radicals of ethanol, ethyl acetate & n-butanol and ether & chloroform extracts of Ruta chalepennsis.
| Concentration (µg/ml) |
DPPH scavenging (%) |
||||
|---|---|---|---|---|---|
| Extracts | Ascorbic acid | Ethanol | Ethyl acetate & n-butanol | Ether & chloroform | Ascorbic acid |
| 000 | 00 | 00.00 | 00.00 | 00.00 | 00 |
| 001 | 05 | 09.34 | 30.64 | 13.79 | 12.98 |
| 002 | 10 | 17.96 | 42.39 | 23.64 | 16.38 |
| 004 | 15 | 28.73 | 51.87 | 31.25 | 62.98 |
| 008 | 20 | 37.80 | 57.25 | 40.82 | 76.81 |
| 016 | 25 | 54.97 | 63.18 | 49.07 | 78.72 |
| 032 | 30 | 65.14 | 70.94 | 57.81 | 78.94 |
| 064 | 35 | 79.02 | 78.63 | 71.29 | 80.21 |
| 128 | 40 | 87.51 | 92.38 | 80.37 | 86.36 |
| IC50 | 320.7 | 84.70 | 414.9 | 11.20 | |