Table 5.
Effect of sterigmatocystin or aflatoxin on reduced glutathione (GSH) concentration and glutathione peroxidase (GPx) activity in the liver of broiler chickens (mean ± SD; n = 6).
| GSH (µmol/g Protein) | ||||
| Samplings | Control | STC | PSTC | AFB1 |
| 0 h | 3.47 ± 0.38 | |||
| Day 1 | 4.84 ± 0.98 | 4.56 ± 0.79 | 5.03 ± 0.74 | 5.17 ± 1.44 |
| Day 2 | 4.49 ab ± 0.73 | 4.46 ab ± 0.55 | 3.63 a ± 0.83 | 4.79 b ± 0.41 |
| Day 3 | 4.81 ± 0.79 | 3.99 ± 1.42 | 3.90 ± 1.04 | 4.66 ± 2.23 |
| Day 7 | 7.41 ± 0.55 | 6.58 ± 0.41 | 7.69 ± 1.32 | 7.27 ± 0.95 |
| Day 14 | 5.34 ± 0.42 | 4.97 ± 0.75 | 5.95 ± 0.66 | 6.89 ± 3.11 |
| GPx (U/g Protein) | ||||
| Samplings | Control | STC | PSTC | AFB1 |
| 0 h | 3.37 ± 0.29 | |||
| Day 1 | 4.68 ± 1.00 | 4.41 ± 0.71 | 5.18 ± 0.91 | 5.46 ± 0.71 |
| Day 2 | 3.97 b ± 0.46 | 3.62 ab ± 0.35 | 3.06 a ± 0.62 | 4.10 b ± 0.56 |
| Day 3 | 4.48 ± 0.99 | 4.04 ± 1.32 | 3.96 ± 0.87 | 4.34 ± 1.99 |
| Day 7 | 6.33 ± 0.72 | 6.16 ± 0.42 | 6.84 ± 1.32 | 6.01 ± 0.39 |
| Day 14 | 5.20 ± 0.36 | 4.66 ± 0.93 | 5.58 ± 0.62 | 6.27 ± 2.73 |
a,b Different superscripts in the same rows mean significant difference at p < 0.05 level. STC—1590 µg STC/kg feed; PSTC—1570.5 µg STC/kg feed; AFB1—149.1 µg AFB1/kg feed.