Table 11.
Antioxidant activity of C. × clementina-enriched juice.
| Sample | DPPH Test % Inhibition |
ABTS Test % Inhibition |
β-carotene Bleaching Test % Inhibition |
FRAP μM Fe (II)/g |
|
|---|---|---|---|---|---|
| t = 30 min | t = 60 min | ||||
| JFA | 122.71 ± 2.74**** | 115.46 ± 2.21**** | 52.47 ± 1.26**** | 64.56 ± 1.38**** | 100.43 ± 2.47**** |
| JFB | 118.23 ± 2.61**** | 111.78 ± 2.19**** | 50.32 ± 1.20**** | 60.29 ± 1.33**** | 98.36 ± 1.73**** |
| JFC | 105.21 ± 2.55**** | 110.77± 2.17**** | 49.83 ± 1.22**** | 53.24 ± 1.27**** | 97.95 ± 1.65**** |
| JFD | 97.78 ± 2.51* | 107.64 ± 1.79**** | 43.89 ± 1.14**** | 49.73 ± 1.26**** | 91.93 ± 1.67**** |
| JFE | 108.21 ± 2.83**** | 112.32 ± 1.93**** | 49.52 ± 1.21**** | 59.37 ± 1.28**** | 89.58 ± 1.63**** |
| JFF | 101.77 ± 2.34**** | 110.84 ± 1.95**** | 48.43 ± 1.20**** | 57.22 ± 1.21**** | 88.56 ± 1.61*** |
| JFG | 98.40 ± 2.26** | 109.77± 1.97**** | 46.14 ± 1.18**** | 45.22 ± 1.16**** | 86.33 ± 1.60* |
| JFH | 95.15 ± 2.21ns | 107.43 ± 1.97**** | 41.59 ± 1.14**** | 39.47 ± 1.17*** | 83.37 ± 1.57ns |
| JFI | 106.23 ± 2.55**** | 118.87± 1.94**** | 49.73 ± 1.33**** | 62.63 ± 1.33**** | 99.28 ± 1.75**** |
| JFL | 101.78 ± 2.37**** | 113.92 ± 1.93**** | 49.02 ± 1.28**** | 60.14 ± 1.32**** | 96.72 ± 1.67**** |
| JFM | 98.57 ± 2.34** | 109..57 ± 1.83**** | 48.61 ± 1.11**** | 53.62 ± 1.31**** | 87.04 ± 1.53** |
| JFN | 96.57 ± 2.20ns | 97.21 ± 1.65**** | 42.16 ± 1.13**** | 48.23 ± 1.26**** | 84.21 ± 1.54ns |
| Negative control | |||||
| JF | 94.68 ± 2.2 | 96.87 ± 0.06 | 34.20 ± 1.06 | 34.25 ± 1.08 | 82.43± 1.52 |
Data are expressed as means ± S.D. (n = 3). Differences within and between groups were evaluated by one-way ANOVA followed by a multicomparison Dunnett’s test α = 0.05): ****p < 0.0001, ***p < 0.001, **p < 0.01, *p < 0.1 compared with the positive controls. ns: not significant.