Table 2. Physical and chemical evaluations of Ricotta after 1 (T1) and 5 (T5) d of ripening obtained from ewes fed a standard diet (CTRL) and ewes fed red grape pomace dietary supplementation (GP+)
| Ricotta T1 | Ricotta T5 |
CTRL | GP+ | p-vaule | CTRL | GP+ | p-vaule |
DM (%) | 25.13±0.15 | 27.66±0.68 | ** | 25.61±0.28 | 26.36±0.38 | * |
Lipids1) (%) | 54.01±2.16 | 46.45±2.96 | ns | 53.43±3.97 | 51.81±4.37 | ns |
L* | 79.97±0.63 | 79.59±1.56 | ns | 80.73±0.30 | 81.15±0.80 | ns |
a* | –1.48±0.07 | –1.46±0.17 | ns | –1.50±0.05 | –1.38±0.06 | ** |
b* | 7.30±0.19 | 6.84±0.38 | ** | 7.38±0.32 | 7.47±0.17 | ns |
YI | 13.04±0.33 | 12.27±0.53 | ** | 11.26±4.76 | 11.95±3.19 | ns |
ΔEab | 0.35 | | 0.2 | |
TPCs (μg GAE/g) | 29.45±4.12 | 31.43±3.85 | ** | 25.48±1.31 | 28.83±4.75 | ns |
TEAC (μmol/g) | 18.50±1.98 | 20.63±0.75 | ns | 18.55±5.52 | 24.75±5.23 | ns |
All data are reported as mean±SD.
Data are reported on a dry matter (DM) basis.
p<0.05,
p<0.01.
ns, not significant; YI, yellow index, ΔEab, color differences; TPCs, total phenolic compounds; TEAC, trolox equivalent antioxidant capacity.