Table 4.
Synergism among antioxidant compounds evaluated by LOX/RNO and LOX–FL methods in comparison with ORAC and TEAC assays.
| LOX/RNO a or LOX–FL b | ORAC | TEAC | Ref. | |
|---|---|---|---|---|
| Among Different Pure Compounds (% Change) c | ||||
| Mix of the food-grade extracts resveratrol, quercetin, OLIPLUS®, catechin and lycopene | +570 ***,a | - | +30 ** | [31] |
| Mix of ascorbic acid, Trolox, bilirubin, uric acid and albumin | +74 ***,b | +12 n.s. | - | [26] |
| Among different extracts (% change) c | ||||
| Mix of hydrophilic, lipophilic and insoluble-bound phenolic extracts from durum wheat whole flour | +108 **,a | +39 * | −32 * | [25] |
| Among phenols in the same extract (time fold change) d | ||||
| Insoluble-bound phenols from durum wheat whole flour |
410 a | 2.8 | 0.89 | [28] |
| Among human serum and free-soluble phenols (% change) c | ||||
| Mix of human blood serum and free-soluble phenolic extract from Lisosan G |
+124 ***,b | +16 * | - | [26] |
a evaluated by the LOX/RNO method; b evaluated by the LOX–FL method; c change (%) of AC of the mix with respect to the sum of AC of each individual compounds (or extracts); d time fold change of IC50 values of pure ferulic acid with respect to that of phenolic extract. *, p ≤ 0.05; **, p ≤ 0.01; ***, p ≤ 0.001; n.s. = not significant, according to the Student’s t-test.