Table 1.
Effect of ingestion diet treated with harmine and starvation on protein, glycogen and lipid content as well as the activity of α-amylase enzyme of fifth instar Plodia interpunctella larvae 7 days after exposure (n = 10).
| Protein (μg/larvae) | Glycogen (μg/larvae) | Lipid (μg/larvae) | α-Amylase activitya | |
|---|---|---|---|---|
| Control | 544 ± 22 | 36 ± 4.3 | 846 ± 27 | 10 ± 0.8 |
| 250 ppm | 337 ± 24⁎ | 14 ± 3.2⁎ | 865 ± 24 | 7.3 ± 0.7⁎ |
| 500 ppm | 177 ± 13⁎ | 12 ± 2.3⁎ | 730 ± 15⁎ | 7.3 ± 0.7⁎ |
| 750 ppm | 155 ± 17⁎ | 8.2 ± 1.5⁎ | 827 ± 17 | 6.6 ± 0.6⁎ |
| 1000 ppm | 119 ± 12⁎ | 5.9 ± 1.2⁎ | 761 ± 12⁎ | 4.3 ± 0.6⁎ |
| Starved | 187 ± 17⁎ | 2.9 ± 0.6⁎ | 570 ± 25⁎ | 7.0 ± 0.7⁎ |
| Control harmine in vitro | – | – | – | 10 ± 0.9 |
a
Specific activity as ng of substrate hydrolyzed/min/larvae.
⁎
Significantly different with respect to control (Dunnett’s, P ⩽ 0.05).