Table 3 DPPH radical scavenging activity of P. quadrifida extracts at different concentrations
S. no | Concentration of extract (mg /L) | %DPPH scavenging activity | ||
|---|---|---|---|---|
Methanol | Chloroform | Petroleum ether | ||
1 | 20 (w/v) | 25.3541 ± 0.0272 | 23.1373 ± 0.00804 | 22.8602 ± 0.0020 |
2 | 40 (w/v) | 30.9421 ± 0.0038 | 29.4874 ± 0.0100 | 26.4547 ± 0.0188 |
3 | 60 (w/v) | 36.8042 ± 0.0056 | 34.1595 ± 0.0054 | 30.8344 ± 0.0047 |
4 | 80 (w/v) | 38.2620 ± 0.0003 | 37.3599 ± 0.0062 | 33.0511 ± 0.0039 |
5 | 100 (w/v) | 46.7595 ± 0.0069 | 42.4030 ± 0.0053 | 44.5428 ± 0.0174 |