Antioxidant effects of oily formulations. Cells are incubated with olive or corn oil for 15 minutes, followed by a 24-hour recovery period in culture medium. At the end of the recovery period, oxidative stress is induced by a ROS inducer (tBHP 1.5 mM for 15 minutes). ROS production was quantified by cytofluorometry (H2DCF-DA assay). Negative control was fixed at 1. ****p < 0.0001 compared to negative control, ££££ p < 0.0001 compared to ROS inducer (ANOVA followed by Tukey test, n = 3).