Table 2.
Thermosonication effect on bioactive compounds and antioxidant capacity of strawberry nectar
| Treatment | Total phenolic content (mg GAE/g) | Anthocyanins (mg Cy3gl/g) | Ascorbic acid (mg EAA/g) | ABTS (mmol ET/g) | FRAP (mmol ET/g) | DPPH (mmol ET/g) |
|---|---|---|---|---|---|---|
| (0/70) | 9.777 ± 0.842abc | 54.920 ± 2.801bc | 154.571 ± 7.564 cd | 85.011 ± 7.590a | 35.869 ± 5.845ab | 7.604 ± 2.242ab |
| (10/70) | 15.318 ± 2.454de | 78.051 ± 6.682ef | 193.475 ± 10.332e | 116.660 ± 10.330b | 57.531 ± 1.980c | 18.726 ± 3.721c |
| (20/70) | 20.017 ± 2.824e | 70.135 ± 4.013de | 225.504 ± 10.209f | 194.387 ± 10.678c | 61.100 ± 5.643c | 44.449 ± 6.031f |
| (0/80) | 9.061 ± 0.383a | 41.932 ± 2.801ab | 165.819 ± 6.368d | 78.734 ± 1.143a | 35.026 ± 3.898ab | 8.434 ± 0.867ab |
| (10/80) | 13.700 ± 2.025abcd | 62.713 ± 5.491 cd | 182.362 ± 7.204e | 118.818 ± 12.680b | 49.518 ± 7.464bc | 22.689 ± 2.864 cd |
| (20/80) | 18.810 ± 0.742de | 111.325 ± 8.906 g | 249.854 ± 18.661 g | 191.010 ± 15.168c | 61.617 ± 6.606c | 38.034 ± 3.754ef |
| C (0/0) | 11.508 ± 1.870abc | 31.542 ± 3.578ª | 131.808 ± 2.186b | 78.328 ± 2.346a | 31.411 ± 3.599a | 2.873 ± 1.137a |
| C (10/0) | 15.042 ± 2.259bcde | 30.058 ± 2.945ª | 140.543 ± 11.570bc | 121.982 ± 8.654b | 55.932 ± 6.768c | 16.385 ± 3.135bc |
| C (20/0) | 20.981 ± 1.624e | 92.029 ± 2.801f | 190.566 ± 7.803e | 184.910 ± 13.613c | 58.998 ± 1.436c | 36.932 ± 4.284e |
| P (0/0) | 9.136 ± 0.915ab | 33.026 ± 2.570a | 32.793 ± 0.927a | 77.974 ± 7.577a | 33.599 ± 5.976a | 5.635 ± 1.282af |
| P (10/0) | 15.233 ± 2.653cde | 65.311 ± 1.700cde | 33.137 ± 1.564a | 142.776 ± 4.035b | 53.396 ± 1.286c | 29.129 ± 1.345de |
| P (20/0) | 19.068 ± 2.572cde | 55.662 ± 5.101bc | 29.193 ± 2.641a | 194.546 ± 12.640c | 58.022 ± 0.870c | 34.554 ± 3.896ef |
| SB | 51.668 ± 1.328f | 152.516 ± 5.101 h | 373.193 ± 11.705 h | 1147.332 ± 73.46d | 251.805 ± 30.84d | 125.312 ± 6.107 g |
| Achene (Ariza et al. 2016) | 382.87 ± 4.69 mg GAE/g | 6.97 ± 0.79 mg Pel-glc/g) | 34.7 mg/ 100 g de AA | 1236.015 ± 0.39 mmol ET/g | 642.627 ± 0.92 mmol ET/g | 595.575 ± 0.09 mmol ET/g |
The results are expressed as the mean ± standard deviation (n = 3). Different letters in the same column are significantly different (p < 0.05). Same letters do not show significant differences. (0/70): 0% SB (strawberry by-products) and 70% amplitude; (10/70): 10% SB and 70% amplitude; (20/70): 20% SB and 70% amplitude; (0/80): 0% SB and 80% amplitude; (10/80): 10% SB and 80% amplitude; (20/80): 20% SB and 80% amplitude; C (0/0): 0% SB; C (10/0): 10% SB; C (20/0): 20% SB; P (0/0): 0% SB; P (10/0): 10% SB; P (20/0): 20% SB. C CONTROL, P PASTEURIZED