Table 7.
Liver lipid peroxide, tocopherol, GSH content and antioxidant enzyme activates of rat fed GCO and its blended oils for 60 days
| Antioxidants/antioxidant enzymes | GCO | SFO | SFO + GCO | RBO | RBO + GCO | SESO | SESO + GCO | SFO + FLAX |
|---|---|---|---|---|---|---|---|---|
| Lipid peroxide (nmoles MDA/g) | 27.7 ± 1.2a | 31.7 ± 0.9a | 28.7 ± 0.8a | 20.0 ± 0.7b | 23.1 ± 1.1b | 24.4 ± 0.9b | 23.9 ± 1.3b | 39.7 ± 1.1c |
| Tocopherols (μg/g) | 40.2 ± 2.2a | 23.1 ± 0.7b | 27.7 ± 0.8c | 30.2 ± 1.1cd | 33.3 ± 0.9d | 27.9 ± 0.7c | 34.4 ± 1.2d | 18.1 ± 0.7e |
| GSH (nmoles/mg of protein) | 3.1 ± 0.2ae | 3.2 ± 0.1ae | 3.2 ± 0.2a | 4.1 ± 0.2b | 3.8 ± 0.2b | 3.5 ± 0.3a | 3.4 ± 0.2a | 2.9 ± 0.2ae |
| Catalase (μmoles /min/mg protein) | 66.1 ± 1.9a | 63.2 ± 1.8ab | 58.1 ± 1.0b | 48.7 ± 0.8c | 54.5 ± 0.7b | 50.2 ± 0.5c | 56.4 ± 0.8b | 67.3 ± 1.9a |
| GPX (μmoles/min/mg protein) | 285.2 ± 8.2a | 278.2 ± 8.0a | 269.4 ± 6.4ab | 255.1 ± 6.9b | 263.1 ± 7.1b | 251.5 ± 5.8b | 260.8 ± 8.7b | 296.6 ± 8.1a |
| GR (μmoles /min/mg protein) | 174.1 ± 11.8a | 168.7 ± 10.3ab | 167.5 ± 9.4ab | 150.1 ± 7.8b | 156.4 ± 10.5b | 160.4 ± 8.1b | 166.8 ± 7.5b | 177.3 ± 9.1a |
| SOD (U/mg of protein) | 5.9 ± 0.9a | 5.7 ± 1.0a | 5.5 ± 1.3a | 5.4 ± 0.9a | 5.7 ± 0.7a | 4.9 ± 0.8a | 5.80 ± 1.0a | 8.6 ± 1.3b |
| GST(μmoles/min/mg protein) | 489.1 ± 21.8a | 499.7 ± 19.0a | 495.0 ± 18.3a | 485.8 ± 23.1a | 501.0 ± 17.6a | 503.0 ± 20.6a | 499.7 ± 18.1a | 535.2 ± 21.4b |
Values are means ± SD (n = 6 rats); values sharing same superscript (a–e) in row are not statistically significant at p < 0.05