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In vitro evaluation of EFE and SEM antioxidant activity alone and in combination on NCTC 2544 cells after UVB exposure (100 s). Reactive oxygens species (A), RSH (B) and LOOH (C) levels were evaluated (COMBO: SEM 5 µg/mL + EFE 0.25 mg/mL). Results are expressed as the mean ± SEM. (* p < 0.05; ** p < 0.005; *** p < 0.0005 vs. CTRL).
