Table 3.
Antioxidant assay | Equation | R2 | R2 adj | AF | BF |
---|---|---|---|---|---|
DPPH | DPPH = −1.3238–0.0404* CAP - 0.0126*DIH + 0.0292*TPC | 0.7871 | 0.7162 | 1.30 | 1.10 |
ABTS | ABTS = − 3.8609–0.3900*CAP - 0.0741*DIH + 0.2461*TPC | 0.8225 | 0.7633 | 1.27 | 1.10 |
FRAP | FRAP = 0.5070 + 0.0064*CAP + 0.0016*DIH + 0.0278*TPC | 0.9945 | 0.9888 | 1.18 | 1.06 |
CAP capsaicin, DIH dihydrocapsaicin, TPC total phenolic compounds, AF accuracy factor, BF bias factor