Table 6.
Effect of curcumin and bisdemethoxycurcumin on the antioxidant gene expression of liver, jejunum and ileum in broilers (Experiment 2) 1.
| Items | CON 2 | CUR | BUR |
|---|---|---|---|
| Liver, % | |||
| CAT 3 | 100.00 ± 8.895 | 111.88 ± 8.681 | 113.85 ± 11.346 |
| HO-1 | 100.00 ± 9.972 | 121.59 ± 6.569 | 129.41 ± 13.854 |
| GPx | 100.00 ± 9.930 | 112.21 ± 8.063 | 120.34 ± 7.935 |
| CuZnSOD | 100.00 ± 9.643 | 97.89 ± 4.701 | 110.61 ± 6.515 |
| Nrf2 | 100.00 ± 4.032 b | 118.31 ± 7.744 ab | 121.32 ± 3.780 a |
| jejunum, % | |||
| CAT | 100.00 ± 5.808 | 132.07 ± 8.004 | 144.11 ± 20.052 |
| HO-1 | 100.00 ± 7.778 b | 139.24 ± 20.163 ab | 155.82 ± 15.376 a |
| GPx | 100.00 ± 12.405 | 127.60 ± 20.735 | 101.17 ± 7.485 |
| CuZnSOD | 100.00 ± 8.584 | 96.88 ± 6.349 | 124.40 ± 12.215 |
| Nrf2 | 100.00 ± 7.663 | 105.65 ± 9.953 | 110.16 ± 8.740 |
| ileum, % | |||
| CAT | 100.00 ± 8.136 | 97.93 ± 4.696 | 101.66 ± 4.998 |
| HO-1 | 100.00 ± 6.306 | 99.76 ± 6.640 | 100.62 ± 9.090 |
| GPx | 100.00 ± 5.003 | 96.71 ± 3.639 | 98.62 ± 5.586 |
| CuZnSOD | 100.00 ± 8.776 b | 161.82 ± 11.127 a | 141.22 ± 9.167 a |
| Nrf2 | 100.00 ± 5.907 b | 122.06 ± 6.876 a | 117.82 ± 5.374 ab |
1 Values are expressed as the mean ± SEM (n = 8); Means with different letters (a-b) within the same row were significantly different (p < 0.05, by Test Tukey); 2 CON group: birds were fed the basal diet; CUR group: birds were fed the basal diet with 150 mg/kg curcumin; BUR group: birds were fed the basal diet with 150 mg/kg bisdemethoxycurcumin; 3 CAT, catalase; CuZnSOD, copper and zinc superoxide dismutase; GPx, glutathione peroxidase; HO-1, heme oxygenase 1; Nrf2, NF-E2-related factor 2.