Concentration of extract / positive controls (μg/mL) | Antioxidant activities | |||
---|---|---|---|---|
DPPH radical scavenging activity (%) | ABTS radical scavenging activity (%) | Superoxide dismutase-like activity (%) | Metal-chelating activity (%) | |
MUM265 extract | ||||
 62.5 | NDa | 5.31 ± 2.21 | 9.73 ± 5.72* | 12.57 ± 2.10* |
 125 | NDa | 9.40 ± 3.17* | 16.84 ± 4.48* | 18.55 ± 1.13* |
 250 | 1.22 ± 1.47 | 16.42 ± 4.20* | 17.67 ± 2.52* | 22.53 ± 0.70* |
 500 | 9.43 ± 1.58* | 24.29 ± 4.01* | 24.20 ± 1.98* | 24.32 ± 3.56* |
 1000 | 24.70 ± 3.12* | 46.56 ± 4.95* | 28.59 ± 1.79* | 28.86 ± 6.27* |
 2000 | 33.69 ± 3.36* | 59.13 ± 6.14* | 37.25 ± 0.21* | 34.06 ± 1.28* |
 4000 | 42.33 ± 3.98* | 88.50 ± 0.37* | 55.99 ± 1.03* | 46.02 ± 0.86* |
Gallic acid | ||||
 6.25 | 32.13 ± 5.48* | – | – | – |
 12.5 | – | 85.77 ± 4.50* | – | – |
Catechin | ||||
 0.3 | – | – | 52.27 ± 6.27* | – |
EDTA | ||||
 62.5 | – | – | – | 53.32 ± 4.57* |