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(a) Color changes and 89.53% weight loss of the pure chitosan film in the first 3 weeks. (b) Lowest degradation rate of the nanocomposite (CXZ1) film (chitosan/xanthan gum blend incorporated with 1 wt % ZnO nanoparticles) [all the pictures in this figure are original, taken and presented by the author Zeba Tabassum].
