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Studies to evaluate the effect of post-harvest application of lac based wax coating formulations (SHOO3) and storage conditions on the storage life of pear cv. William pear.

机译:评估收获后施用紫胶基蜡包衣配方(SHOO 3 )和贮藏条件对梨cv贮藏寿命的影响的研究。威廉梨。

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摘要

William pear fruits of uniform size harvested at commercial maturity stage were washed with tap water and treated with a lac-based wax coating formulation (SHOO3) at different concn. (0, 5, 10 and 20%) by dip method. The fruits were dried with an ambient air stream, packed in CFB boxes and stored under ambient (0 degrees C) and refrigerated (0-20 degrees C) conditions. To monitor quality changes, the pears were evaluated at regular intervals. Results revealed that max. quality attributes (fruit firmness, juice yield, TSS, total titrable acidity, vitamin C, etc.) were retained more effectively under refrigerated conditions than under ambient storage. Among different wax coating formulations, max. quality attributes were retained by 20%, followed by 10 and 5% wax concn. compared to control in both the storage conditions. However, on sensory evaluation basis, 10% wax concn. was found to be ideal because coating of pears with 20% wax affected the overall appearance of the fruits due to the thickness of the wax coating material.
机译:商业成熟期收获的大小均一的威廉梨果实用自来水洗涤,并在不同浓度下使用基于lac的蜡包衣配方(SHOO 3 )处理。 (0%,5%,10%和20%)通过浸入法。将水果用环境空气流干燥,包装在CFB盒子中,并在环境(0摄氏度)和冷藏(0-20摄氏度)条件下储存。为了监测质量变化,定期对梨进行评估。结果显示最大与冷藏相比,在冷藏条件下可以更有效地保留质量属性(水果硬度,果汁产量,TSS,总可滴定酸度,维生素C等)。在不同的蜡涂料配方中,最大值质量属性保留了20%,其次是10和5%的蜡浓度。与两种储存条件下的对照相比。但是,根据感官评估,蜡含量为10%。被发现是理想的,因为用20%的蜡包被梨子会影响水果的整体外观,这是因为蜡包被剂的厚度。

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