COMPARISON EFFECTS OF GAMMA IRRADIATION AND EDIBLE COATING FILMS ON STORAGE ABILITY AND QUALITY OF LECONTE PEARS (PYRUS COMMUNIS L

Abstract

Irradiation doses (2.00 and 2.50kGy) and Edible coating film Jojoba (Simmondsiachinensis) oil 99.0% and poly vinyl alcohol (PVA) have been used for preserving the quality and safety of fresh fruit and vegetables. The objective of this research is to evaluate the effect of irradiation doses, jojoba oil and poly vinyl alcohol (PVA) on the shelf-life and quality of Le Conte pear fruits during cold storage at 0±1°C and relative humidity (RH) 85-90%. The results indicated that Edible coating film PVA, Jojoba oil 99.0% and irradiation 2.00kGy dose showed a significant loss of weight, firmness, total soluble solids, shelf life, peroxidase activity and soluble protein in (peel and core) compared to untreated (control) ones. The results showed also that coating PVA , Jojoba oil 99.0% and irradiation 2.00 kGy dose maintained the visual quality of Le Conte pear fruits during the storage time.