Table 2.
DPPH radical scavenging activity of isolated compounds.
Compound | 5 (µM) | 10 (µM) | 20 (µM) | 30 (µM) | 50 (µM) | IC50(µM) |
---|---|---|---|---|---|---|
1 | 16.6 ± 3.3 | 21.0 ± 1.8 | 39.2 ± 4.1 | 53.4 ± 8.2 | 75.4 ± 6.8 | 29.6 |
2 | 5.9 ± 1.6 | 15.4 ± 2.6 | 29.5 ± 1.9 | 59.3 ± 4.2 | 86.1 ± 3.3 | 28.8 |
3 | 3.4 ± 2.3 | 11.5 ± 2.4 | 24.5 ± 1.2 | 42.6 ± 6.0 | 49.0 ± 1.1 | >50 |
4 | 14.5 ± 2.9 | 15.2 ± 6.0 | 15.5 ± 1.3 | 7.0 ± 4.7 | 13.2 ± 1.5 | >50 |
5 | 9.2 ± 5.8 | 23.8 ± 6.6 | 55.4 ± 2.7 | 72.6 ± 5.7 | 89.6 ± 1.3 | 20.0 |
Vit. C | 6.1 ± 4.4 | 21.6 ± 2.2 | 43.8 ± 2.6 | 57.6 ± 5.4 | 89.1 ± 2.2 | 26.5 |