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Selectivity of the three extracts against MRC5 normal cells.
| Extract | IC50 | SI∗ | ||
|---|---|---|---|---|
| MRC5 | MCF7 | A2780 | HT29 | |
| Tribulus terrestris L. | 13.31 ± 0.98 | 0.90 | 3.61 | 0.41 |
| Typha domingensis Pers. | 13.11 ± 1.08 | 0.62 | 2.23 | 1.79 |
| Ricinus communis L. | 18.09 ± 0.57 | 11.90 | 5.95 | 4.58 |
SI: selectivity index = IC50 value of extract against normal MRC5 cells/IC50 value of the same extract against either MCF7, A2780, or HT29 cells.
