Bionanocomposite active films made from tapioca starch and bovine gelatin. with the addition of roselle calyx extract (RCE) and zinc oxide nanorod (ZnO-N). were created as packaging material to protect walnuts against mold. yeast contamination. https://www.alarecre.com/NFL-Jacksonville-Jaguars-Distressed-AirPods-Pro-2nd-Gen-Skin-p100281/