Fig. 6From: Improving carboxymethyl cellulose edible coating using ZnO nanoparticles from irradiated Alternaria tenuissimaDPPH free radical scavenging activity of the prepared films. Ascorbic acid was used as positive control. Calculated mean is for triplicate measurements from three independent experiments ± SD, a−d means with different superscripts are considered statistically different (LSD test, P ≤ 0.05)Back to article page