Table 4 Effect of METS on In vitro antioxidant activities: DPPH scavenging assay (%), percentage hydroxyl ion (OH•) scavenging assay, and ferric reducing antioxidant power (FRAP)
Concentration µg/ml | % Inhibition of DPPH | % OH− scavenging activity | Fe3+ reducing activity (absorbance) | |||
|---|---|---|---|---|---|---|
METs | Ascorbic acid* | METs | Ascorbic acid* | METs | Ascorbic acid* | |
25 | 37.00 ± 6.17 | 54.90 ± 8.50 | 55.00 ± 7.19 | 48.22 ± 10.60 | 0.33 ± 0.02 | 0.44 ± 0.02 |
50 | 48.21 ± 7.60 | 58.89 ± 9.80 | 52.83 ± 6.91 | 62.58 ± 9.88 | 0.35 ± 0.02 | 0.45 ± 0.01 |
100 | 60.05 ± 2.68 | 67.51 ± 10.45 | 43.57 ± 10.60 | 63.01 ± 11.25 | 0.40 ± 0.01 | 0.46 ± 0.02 |