This investigation was carried out during two successive seasons 2013 and 2014 on fruits of Washington Navel orange (Citrus sinensis L.). The experiment was conducted to evaluate the influence of some environmentally safe matural products to improve the storability of Navel orange (citrus sinensis) fruits during 2013 and 2014 seasons, Jojoba oil (1,3,5), castor oil (0.5, 1,2), yeast (1,2,3), seaweed (1,2,3), hot water (45ᵒC and commercial wax were used for proposed study, After the application of the treatments on the fruits, fruits were stored at a temperature of 5°±1 C and 90±5 of relative humidity for 60 days, physical characteristics (weight loss, decay and the peel's thickness of the crust) and chemical properties (total phenols) were determined. Results indicated that, castor oil (2 and 1) and jojoba oil 5 reduced the deterioration in weight loss, decay, peel thickness, and phenols content, compared to the content was obtained in control. So the results show that, coating orange fruits with castor oil (1, 2) and jojoba oil (5) had the most effective in improve the storability of orange fruits Navel Orange (Citrus sinensis L.).
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