Development and evaluation of low cost evaporative cooling systems to minimise postharvest losses of tomatoes (Roma vf) around Woreta, Ethiopia

Q4 Agricultural and Biological Sciences

International Journal of Postharvest Technology and Innovation Pub Date : 2014-08-06 DOI:10.1504/IJPTI.2014.064165

Henock Woldemichael Woldemariam, B. D. Abera

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引用次数: 7

Abstract

Low cost evaporative cooling systems were developed and investigated for their cooling efficiency to improve the shelf life of tomatoes. Average cooling efficiencies of bamboo jute and pot in pot coolers before being loaded with tomatoes were 82% and 79% and after being loaded were 67.6% and 61.6%, respectively. Physiological weight losses were 1.03%, 1.32% and 1.42% for bamboo jute, pot in pot coolers and ambient storage, respectively. The sensory results revealed that the shelf life of tomatoes were 5, 19 and 21 days for ambient, pot in pot and bamboo jute coolers, respectively. Storage type has significant difference on cooling efficiency but not on physiological weight loss, physical damage, freshness and rot incidence at p < 0.05. Thus, both evaporative coolers were found to be energy efficient, environmentally sound and can be used in areas where there is no electricity to improve the shelf life of tomatoes.

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开发和评估低成本蒸发冷却系统，以尽量减少埃塞俄比亚Woreta周围番茄的采后损失(Roma vf)

开发了低成本的蒸发冷却系统，并研究了其冷却效率，以提高番茄的保质期。装番茄前的平均冷却效率为82%，装番茄后的平均冷却效率为67.6%，装番茄后的平均冷却效率为61.6%。竹黄麻生理失重率分别为1.03%、1.32%和1.42%。感官实验结果表明，常温冷藏、锅中冷藏和竹黄麻冷藏的番茄保质期分别为5天、19天和21天。贮藏方式对冷却效率有显著影响，对生理失重、物理损伤、新鲜度和腐烂率无显著影响(p < 0.05)。因此，这两种蒸发冷却器都是节能的，对环境无害的，可以在没有电的地区使用，以延长西红柿的保质期。

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来源期刊

International Journal of Postharvest Technology and Innovation Agricultural and Biological Sciences-Food Science

CiteScore

1.00

自引率

0.00%

发文量

期刊介绍： Technology is an increasingly crucial input in the industrialisation and development of nations and communities, particularly in the current era of globalisation, trade liberalisation and emphasis on competitiveness. The shared technologies and innovations of today are giving birth to the radically different agrifood industries and communities of tomorrow. There is mounting evidence that investments in postharvest research and infrastructure yield high rates of return that are comparable and often higher than investments in on-farm production alone.