Table 1.
The 50% effective concentration (EC50 for MOI 0.1), 50% cytotoxic concentration (CC50), and selectivity index (SI) for the flavonoids and RDV (positive control) in Calu-3 cells.
| Compound | EC50 (μM) | CC50 (μM) | SI |
|---|---|---|---|
| Genistein | 5.25 ± 0.26 | 305 ± 15 | 58.1 |
| Apigenin | 5.11 ± 0.26 | 302 ± 15 | 59.1 |
| Luteolin | 5.92 ± 0.30 | 332 ± 17 | 56.1 |
| Fisetin | 2.03 ± 0.10 | 256 ± 13 | 126 |
| Kaempferol | 3.02 ± 0.15 | 357 ± 18 | 118 |
| Myricetin | 0.91 ± 0.05 | 716 ± 36 | 787 |
| Quercetin | 2.40 ± 0.12 | 852 ± 43 | 355 |
| RDV | 0.0305 ± 0.0031 | 512 ± 30 | 1.68 × 104 |