Table 4.
Effect of extraction with different solvents on antioxidant potential of two Aspergillus spp.
| Chloroform extract | Ethyl acetate extract | Butanol extract | ||||
|---|---|---|---|---|---|---|
| % activity | PR78 | PR66 | PR78 | PR66 | PR78 | PR66 |
| DPPH assay | 86.3±0.09 | 70.2±0.1 | 92.1±0.1 | 73.4±0.3 | 70.4±0.2 | 66.4±0.03 |
| Reducing power | 1.53±0.2 | 1.42±0.7 | 1.92±0.1 | 1.73±0.05 | 1.04±0.09 | 1.01±0.4 |
| Fe2+ scavenging activity | 72.4±0.04 | 66.2±0.1 | 83.4±0.09 | 70.2±0.17 | 70.2±0.2 | 60.4±0.34 |
| FRAP assay | 70.4±0 | 64.3±0.1 | 80.3±0.1 | 70.4±0.05 | 66.2±0.02 | 58.3±0.45 |
| NO scavenging activity | ||||||
| 30min | 65.4±0.06 | 52.4±0.2 | 66.3±0.09 | 53.7±0.2 | 50.8±0.3 | 30.8±0.23 |
| 60min | 68.9±0.03 | 58.3±0.1 | 69.0±0.06 | 60.4±0.1 | 54.3±0.06 | 36.4±0.34 |
| 90min | 70.4±0.4 | 60.2±0.2 | 72.6±0.01 | 62.3±0.01 | 58.9±0.08 | 42.4±0.65 |
| 120min | 74.3±0.02 | 66.4±0.3 | 78.3±0.3 | 70.4±0.1 | 60.2±0.01 | 47.3±0.05 |
| 180min | 76.3±0.1 | 70.1±0.1 | 81.4±0.2 | 72.4±0.8 | 64.3±0.1 | 50.4±0.51 |
| TPC(mg/ml) | 30.76±0 | 26.2±0.1 | 38.22±0.3 | 30.43±0.4 | 21.84±0.1 | 16.4±0.009 |
DPPH-1.1-diphenyl -2-picryl hydrazyl; FRAP- Ferric reducing antioxidant power;
NO-nitric oxide; TPC-total phenolic content