Table 3.
Synergistic effect (SE) and experimental scavenging capacity (% ESC) of antioxidant mixtures at 30 s and 900 s.
| Oil:Curcumin Solution (0.5 wt.% in Ethanol) | t1 = 30 s | t2 = 900 s | ||||
|---|---|---|---|---|---|---|
| % ESC1 | % TSC1 | SE1 | % ESC2 | % TSC2 | SE2 | |
| 1:10 | 85.37 ± 0.04 | 83.37 ± 0.05 | * 1.024 ± 0.001 | 89.41 ± 0.04 | 90.37 ± 0.06 | 0.989 ± 0.001 |
| 1:5 | 82.45 ± 0.07 | 80.77 ± 0.18 | * 1.020 ± 0.002 | 89.86 ± 0.02 | 90.55 ± 0.04 | 0.992 ± 0.005 |
| 1:1 | 76.10 ± 0.01 | 71.70 ± 0.07 | * 1.061 ± 0.002 | 91.39 ± 0.07 | 93.81 ± 0.11 | 0.974 ± 0.016 |
| 4.5:1 | 60.92 ± 0.36 | 58.09 ± 0.37 | * 1.048 ± 0.027 | 90.79 ± 0.48 | 90.13 ± 0.51 | 1.007 ± 0.023 |
| 10:1 | 45.76 ± 0.28 | 43.99 ± 0.21 | * 1.041 ± 0.009 | 89.29 ± 0.39 | 84.68 ± 0.56 | * 1.054 ± 0.025 |
Theoretical scavenging capacity (TSC) was calculated from data for single components (see Figure 6); * Asterisks denote a significant difference compared with the respective experimental value (p < 0.05).