| Group of treatment | Time of observation | ||
| 24 hours | 48 hours | 72 hours | |
| Positive control | 35% | 58% | 60% |
| Negative control | 5% | 8% | 9% |
| 200 µg/ml | 18% | 22% | 22% |
| 400 µg/ml | 22% | 24% | 27% |
| 600 µg/ml | 30% | 35% | 37% |