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Antioxidant activity (RSA%) of food simulant solutions after specific migration tests from the PVA-based films, evaluated by DPPH assay (a) gallic acid (GA) and quercetin (QC) released (μM) from the PVA-based films in food simulant (b); Labels indicate significant statistical differences between different time tests for each formulation; where ANOVA was significant the Tukey’s (HSD) test was performed at p < 0.05 for the antioxidant activity and at p < 0.01 for the release test.
