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Antioxidant activity of spinach juice evaluated by the Comet assay on HT29 cells treated (24 h) with normoxic (TN) and hypoxic spinach juice (T24H, T26H) at different concentrations (1% and 5%) and stressed with H2O2 (100 µM) for 5 min. In the y axis, the Tail Intensity (TI) variation (%): (TIsample + H2O2/TIH2O2) × 100 is reported.
