Table 2.
Chemical composition of diets, and antioxidant activity of diphenyl picrylhydrazyl in concentrates.
| Item | Silage | Treatments 1 |
|||
|---|---|---|---|---|---|
| T0 | T1 | T2 | T4 | ||
| Chemical composition, % | |||||
| DM | 33.7 | 89.6 | 90.1 | 90.3 | 89.8 |
| Ash | 4.1 | 3.4 | 3.8 | 3.5 | 2.9 |
| Crude protein | 8.1 | 19.1 | 18.5 | 19.4 | 18.7 |
| EE | 4.2 | 3.8 | 3.3 | 3.9 | 3.9 |
| ADF | 17.3 | 5.3 | 6.1 | 5.6 | 4.7 |
| NDF | 33.7 | 12.5 | 10.6 | 12.2 | 9.8 |
| Antioxidant activity of diphenyl picrylhydrazyl | |||||
| IC50, μg/mL | – | 2.16 ± 0.001a | 2.03 ± 0.27a | 1.15 ± 0.25b | 1.21 ± 0.31b |
DM = dry matter; EE = ether extract; ADF = acid detergent fiber; NDF = neutral detergent fiber; IC50 = half maximal inhibitory concentration.
a, b Within a row, means without out a common superscript differs (P ≤ 0.05) or tends to differ (P ≤ 0.10) between treatments.
1
T0, T1, T2 and T4 represents supplementation of polymethacrylate (Eudragit L-100) nanocapsules loaded with curcumin (N-CU) at 0, 1, 2 and 4 mg/kg concentrate, respectively.