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In vitro antioxidant activity of T. porrifolius methanolic extract in comparison to ascorbic acid and Trolox, as calculated by the FRAP and DPPH assays. Values denote mean ± SEM (n = 5).
| FRAP value (µmol Fe2+/g) |
DPPH assay-IC50
(µg/mL) |
|
|---|---|---|
| T. porrifolius methanolic extract | 659.57 ± 13.77 | 15.18 |
| Ascorbic acid | 889.27 ± 17.13 | 9.13 |
| Trolox | 1349.86 ± 53.41 | 6.82 |
