Vol. 7, Special Issue 6 (2019)
Effect of post -harvest treatments of wrapping and chemical coating on storage life of litchi (Litchi Chineneis Sonn.) fruits cv. shahi
Author(s): AK Singh, Ranju Kumari, Rashmi Komal and JP Singh
Abstract: The present investigation was carried out to know the effect of post- harvest treatment for extending the shelf-life of litchi fruits cv. Shahi at the Department of Horticulture, Institute of Agricultural Sciences, Banaras Hindu University Varanasi. The experiment was conducted in completely randomized design with three replications. Uniformed size fruits at the physiological maturity were treated with various treatments for 5 minute and fruits were stored at room temperature (34 0c ± 2 0C) with 51% ± 5% relative humidity. Untreated fruits were taken as control. It was observed that economic shelf life of fruits was maximum (11days) in fruits treated with 1.0, 1.5, and 2.0% of calcium nitrate with perforated polythene bags (T8, T9 and T10). The fruits treated with 2.0 per cent calcium nitrate in combination with perforated polythene bags recorded minimum loss in specific gravity (2.66%) on 11th day of storage as compared to highest loss (11.44%) in untreated fruits T11. Fruits/pulp ratio was recorded minimum (1.67) in perforated polythene wrapped (T6) on 11th day of storage. Minimum pulp/juice ratio (1.27) was recorded in hot water treatment, perforated polythene wrapping alone and combination with hot water and 1.0% concentration of calcium nitrate with perforated polythene (T6, T7, T8). The rest of the treatments including control showed higher pulp/juice ratio. The sugar/acid ratio of fruits increased gradually under all the treatments. However, on 11th day the ratio was found highest (63.59) in untreated fruits (control) whereas, 2.0 per cent calcium nitrate with perforated polythene (T10) showed lower ratio (51.07). Thus, on the basis of results obtained from the present study it can be concluded that all concentrations of calcium nitrate (1.0, 1.5 and 2.0%) dip with perforated polythene (20% vent) treatments were equally most effective in enhancing the economic storage life of fruits up to 11th day.
Pages: 587-591 | 430 Views 89 Downloads
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How to cite this article:
AK Singh, Ranju Kumari, Rashmi Komal and JP Singh. Effect of post -harvest treatments of wrapping and chemical coating on storage life of litchi (Litchi Chineneis Sonn.) fruits cv. shahi. International Journal of Chemical Studies. 2019; 7(6): 587-591.
