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Protective effect of QUE (5 and 10 µM) on the bioaccessible fractions (0.1 and 0.2 mg/mL) of product 1 (A), product 2 (B), product 3 (C) and collagen (D) in Caco-2 cells after 24 h of exposure as assessed by the MTT assay. Values are expressed as mean ± SEM (n = 3). Values in the same figure with different superscript letters are significantly different (p < 0.05). CRL: control; QUE: quercetin.
