‘Manfalouty’ pomegranate (Punica granatum L.) fruits were obtained from a private orchard in Assiut Governorate. This study was conducted in 2021 and 2022. were harvested in mid-October, fully matured as followed in commercial practice, and transported to the postharvest handling lab. at the Horticulture Research Institute (Giza Governorate, Egypt) to study the effect of different postharvest treatments on quality and pomegranate arils. The substances used in this experiment were: chitosan from Acros-organics Company, Morris Plains, NJ, USA. Citric acid, sodium citrate, and sodium hydroxide were obtained from (El Nasr Pharmaceutical Chemicals Company, Cairo, Egypt). Glycerin and calcium hypochlorite were obtained from (El-Gomhouria chemical company, Cairo, Egypt). ZnONPs were obtained from the Nanotechnology & Advanced Material Center Lab, Agriculture Research Center, Giza, Egypt. Ethyl alcohol is 95% produced by El-Gamhoria Company Egypt. Tween was obtained from Win Lab Company (London, UK). Glacial acetic acid was obtained from (Acmatic For Chemicals & Lab. Equipment Company, Cairo, Egypt).
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