Table 4.
The antiradical capability of monothiooxalamides by DPPH•, ABTS•+, FRAP, ORAC, and Fe(II) chelation methods.
| Compound | DPPH• (TEACa) | ABTS•+ (VCEACb) | FRAP (VCEACb) | ORAC (μmol TE/mL) | Chelating Activity (mM EDTA) |
|---|---|---|---|---|---|
| 2c | 2122.22ab ± 553.35 | 212.41d ± 5.74 | 233.97d ± 2.97 | 10647.81a ± 760.7 | NA |
| 2e | 2227.78a ± 145.61 | 304.47bc ± 9.13 | 233.22d ± 2.34 | 1633.12c ± 145.0 | NA |
| 2g | 2027.78ab ± 120.57 | 29.58ef ± 2.87 | 99.51e ± 7.79 | NA | 0.152e ± 0.07 |
| 2h | 1784.44ab ± 203.67 | 281.29c ± 5.3 | 231.55d ± 1.03 | NA | 5.407a ± 0.07 |
NA (Not Active).
a
TEAC: Trolox equivalent antioxidant capacity (μmol ET/L).
b
VCEAC: mg vitamin C/100 mL. The letters (a-f) in each column refer to the pairwise comparisons between groups with a significant difference according to Tukey's HSD test; n = 3, p < 0.05.