Figure 2.

Effect of Salvia haenkei extract 0.01-0.1-1-10 μg/ml on ROS generation in HaCaT cells in basal and oxidative stress conditions. ROS were measured after 3-24 hours of incubation with SH under basal condition (A) or after H₂O₂ exposure (B, C). Figure (C) represents the effect of H₂O₂ stimulation of untreated cells, while figure (B) represents the effect of H₂O₂ stimulation of treated cells. NAC 5 mM is used as positive control. Data are expressed as mean ± SEM of fluorescence intensity (FI) of treated cells related to control. n = 3-4 experiments. *p<0.05, **p<0.01, ***p<0.001 treatment vs control.