Abstract
Effect of zero energy cool chamber (ZECC) along with post-harvest treatments including CaCl2, mustard oil and K2SO4 separately on shelf-life and fruit quality attributes of Indian gooseberry or aonla (Emblica officinalis Gaertn) during storage under semi-arid ecosystem of Gujarat was studied. Increase in physiological loss in weight (PLW), spoilage loss, total soluble solids, total sugar and reducing sugars, reduction in titratable acidity and ascorbic acid were observed during storage period in all the treatments. Fruits treated with 1.5% CaCl2 and stored in ZECC recorded least PLW (16%), spoilage loss (16.5%), respiratory activity (83 mg CO2 /kg/h) and exhibited 11 days of shelf-life, while untreated control had 6 days economic life. It was closely followed by 1% CaCl2 + ZECC treatment. Fruits stored in ZECC recorded 9 days shelf-life. Highest respiration rate was in control (88.1 mg CO2 /kg/h) on 13(th) day of storage. It may be concluded that 1.5% CaCl2 and storage in ZECC treatment was found most efficient to retain the fruit quality attributes till 13(th) day of storage under semi-arid environment of western India.
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