Table 1.
Test material | CC50a | EC50b | TIc |
---|---|---|---|
Hedera helix 30% EtOH extract | >50 | 6.58 ± 0.11 | 7.59 |
100% H2O | >50 | NDd | - |
20% MeOH | >50 | 25.23 ± 4.93 | 1.98 |
40% MeOH | >50 | 7.92 ± 1.44 | 6.31 |
60% MeOH | >50 | 2.75 ± 1.05 | 18.18 |
80% MeOH | >50 | 38.22 ± 4.13 | 1.31 |
100% MeOH | 31.03 | NDd | - |
Results are presented as the mean EC50 values ± SD obtained from three independent experiments carried out in triplicate.
Concentration required to reduce cell growth by 50% (μg/ml).
Concentration required to inhibit virus-induced CPE by 50% (μg/ml).
Therapeutic index=CC50/EC50.
Not determined.