Abstract
ABSTRACT The experiment was conducted to determine the effect of integrated postharvest chemical, packaging and storage treatments on weight loss and sugar content of cactus pear fruits. The treatments were factorial combinations of chemical (Control, 0.022 mM Salicylic Acid, and 27 mM CaCl2), two packaging (unpackaged and packaged with polyethylene sheet) and two storage condition (ambient and evaporative cooler (EC)) in completely randomized design with three replications. Temperature and relative humidity of storage environments, weight and decay loss, and reducing and total sugar content of cactus pear fruits were recorded during 21 days of storage. EC significantly maintained parameters of cactus pear fruits tested by reducing mean temperature 2.81°C and increasing relative humidity by 11%. Packaging also reduced weight and decay loss and maintained sugar contents. Similarly, CaCl2 treatment enabled better retention of weight and sugar content of cactus pear fruits followed by Salicylic acid. Hence, integrated use of CaCl2, packaging and EC are recommended to maintain lower weight and decay loss and higher reducing and total sugar contents and to extending shelf life of cactus pear fruits.
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