| Fractions | IC50 |
| 1 | >350 |
| 2 | 43.85 ± 1.64 |
| 3/4 | 39.86 ± 1.60 |
| 5 | 24.52 ± 1.38 |
| 6 | 18.82 ± 1.27 |
| 7 | 22.63 ± 1.35 |
| 8 | 14.62 ± 1.16 |
| 9/10 | 22.63 ± 1.35 |
| 11/12 | 308.8 ± 2.49 |
| 13 | 218.3 ± 2.33 |