DPPH radical scavenging activity of fresh-cut apple coated with alginate, pectin and gellan (with and without apple fiber and inulin) during 16 days of storage at 4 °C. Fresh control (C), Alginate (A), A plus Fiber (AF), A plus Inulin (AI); Pectin (P), P plus Fiber (PF), P plus Inulin (PI); Gellan (G), G plus F (GF), G plus I (GI). Data shown are mean ± standard deviation