Table 2.
Antioxidant activities of Miang samples determined by DPPH, ABTS, and FRAP assays using L-ascorbic acid as a positive control in comparison to FRAP assay using iron (II) sulfate as a standard.
| Sample | DPPH IC50 (μg/mL) | ABTS IC50 (μg/mL) | FRAP (μmol Fe II/g) |
|---|---|---|---|
| Young leaves | 34.52 ± 4.57 b | 36.98 ± 5.10 b | 7880.49 ± 561.82 b |
| Mature leaves | 37.76 ± 7.42 c | 42.10 ± 6.74 c | 5004.69 ± 358.92 c |
| NFP-Miang | 13.15 ± 2.26 a | 18.50 ± 2.88 a | 9266.47 ± 707.67 a |
| FFP-Miang | 9.31 ± 2.92 a | 13.87 ± 6.38 a | 7236.44 ± 788.23 b |
| Ascorbic acid | 7.39 ± 0.67 a | 8.85 ± 1.96 a | - |
| Iron (II) sulfate | - | - | 3597.12 ± 0.00 d |
Different letters represent significant differences in group concentrations at p < 0.05.