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Radical scavenging capacity (RSC) against the ABTS·+ and DPPH· radicals as well as ferric-reducing antioxidant potential (FRAP) of the films (A). Statistically significant differences (p < 0.05) are indicated by subsequent lower, upper Latin letters and Greek letters, respectively. Different letters indicate statistically significant differences. The release profiles of polyphenols presented as percentage of released PPh in reference to the initial content in the films (B).
