Table 1 |
||
| Lethal time 50 (LT50) for different fractions ofMedicago truncatulaseed flour onSitophilus oryzae | ||
| Fractions | amount per g of food | LT50+/− SEM (day) |
| M. truncatula seed flour | 10 mg | > 20 |
| 50 mg | 11.03 +/− 0.319 | |
| 100 mg | 7.61 +/− 0.28 | |
| 250 mg | 5.33 +/− 0.2 | |
| After solvents extraction | 20 mg | 3.79 +/− 0.13 |
| Purified saponin | 20 μg | not toxic |
| (3-GlcA-28-AraRhaxyl-medicagenate) | 100 μg | 16.57 +/− 1.89 |
| 200 μg | 12.96 +/− 0.52 | |
| 400 μg | 9.59 +/− 0.39 | |
| 800 μg | 8.42 +/− 0.25 | |
| 1200 μg | 6.23 +/− 0.24 | |
| 1600 μg | 5.63 +/− 0.28 | |
The indicated amount of each powder was added to one gram of wheat flour. The food produced was given to weevils and mortality recorded every day for 20 days.
Da Silva et al. BMC Chemical Biology 2012 12:3 doi:10.1186/1472-6769-12-3
