Table 2.
Antioxidant activity of different antioxidant concluding NPFMAP, GST-NPFMAP, natural PFMAP, chemosynthesis-PFMAP, glutathione, BHT and Vitamin C
| Antioxidant | DPPH radical scavenging activity (IC50, mg/mL) | Superoxide radical scavenging activity (IC50, mg/mL) | Hydroxyl radical scavenging activity (IC50, mg/mL) |
|---|---|---|---|
| NPFMAP | 0.028 ± 0.002b | 0.105 ± 0.008b | 0.065 ± 0.005b |
| GST-NPFMAP | 0.264 ± 0.005e | 0.902 ± 0.051e | 0.688 ± 0.062e |
| Natural PFMAP | 0.132 ± 0.005d | 1.046 ± 0.03e | 0.268 ± 0.045c |
| Chemosynthesis-PFMAP | 0.385 ± 0.008f | 1.175 ± 0.063f | 0.975 ± 0.082f |
| Glutathione | 0.033 ± 0.001c | 0.386 ± 0.005d | 0.326 ± 0.004d |
| BHT | 0.025 ± 0.002b | 0.30 ± 0.003c | 0.27 ± 0.005c |
| Vitamin C | 0.003 ± 0.001a | 0.026 ± 0.001a | 0.020 ± 0.002a |
Values represent mean ± SD (n = 3), different letters (a, b, c, d, e, f) indicate significant differences (p < 0.05). IC50: the antioxidant concentration that scavenges free radical by 50%