Table 2.
Oxidative stress markers and activity of enzymes involved in the antioxidant metabolic routes in D. melanogaster exposed to the P. guajava var. pomifera essential oil.
| TBARS | ROS | PSH | NPSH | GST | SOD | CAT | |
|---|---|---|---|---|---|---|---|
| Control 3 h | 1.2 ± 0.2 | 100 ± 12.8 | 5.7 ± 0.8 | 1.8 ± 0.2 | 109.6 ± 6.7 | 60.4 ± 3.9 | 42.7 ± 7.2 |
| Oil 3 h | 1.4 ± 0.2 | 127 ± 6.9* | 5.9 ± 1.1 | 2.7 ± 0.2* | 122.5 ± 10.7 | 69.3 ± 11.8 | 45.6 ± 6.1 |
|
| |||||||
| Control 6 h | 1.4 ± 0.1 | 100 ± 8.9 | 6.2 ± 0.9 | 1.9 ± 0.1 | 116.7 ± 12.4 | 56.5 ± 5.6 | 41.3 ± 2.8 |
| Oil 6 h | 1.5 ± 0.1 | 144.7 ± 10.2* | 6.7 ± 0.8 | 2.1 ± 0.1 | 155.4 ± 14.5* | 58.2 ± 12.6 | 66.8 ± 12.9* |
|
| |||||||
| Control 12 h | 1.3 ± 0.1 | 100 ± 7.5 | 5.6 ± 0.3 | 2.1 ± 0.1 | 118.1 ± 7.7 | 58.4 ± 5.9 | 48.8 ± 3.2 |
| Oil 12 h | 1.9 ± 0.3* | 167 ± 11.3* | 5.7 ± 0.4 | 2.3 ± 0.1 | 179.7 ± 23.8* | 77.2 ± 15.4 | 58.3 ± 7.6* |
TBARS: nmol mg−1 protein−1.
ROS: percentage of control (%).
PSH and NPSH: μmol mg−1 protein−1.
Enzyme activity: mU mg−1 protein−1.
* P < 0.05 compared to control.