Figure 6.

Effects of pretreatment of HeLa cells with caspase-3 inhibitor (Z-DEVD-FMK), exposed to Helichrysum zivojinii extracts (applied concentrations of tested extracts corresponded to IC₉₀ values determined for 72 h). A – control; B – Extract 1, C – Extract 1 + Z-DEVD-FMK; D – Extract 2, E – Extract 2 + Z-DEVD-FMK; F – Extract 3, G – Extract 3 + Z-DEVD-FMK; H – Extract 4, I – Extract 4 + Z-DEVD-FMK; J – Extract 5, K – Extract 5 + Z-DEVD-FMK.