EFFECT OF DISINFECTION SOLUTION DIOX FORTE (CHLORINE DIOXIDE - CLO2) ON PROLONGING SHELFLIFE OF GRAPES AND TOMATOES

Cao Đình Dũng, Nguyễn Xuân Hiểu, Trương Văn Đức, Lê Dũng, Hà Bích Ngọc, Peter De Steur, Lê Ngọc Lan, Nguyễn Thùy Quý Tú

Abstract


This paper reports a study of the effect of disinfection solution Diox Forte (chlorine dioxide - ClO2) at 0, 10, 20, 40, 80 and 160 ppm on the shelflife of grapes and tomatoes at room temperature and cold store (5oC). The shelflives of grapes and tomatoes were significantly increased when treated with Diox Forte at 40 ppm for grapes and 10 – 20 ppm for tomatoes. The shelflife of grapes treated with Diox Forte at 40 ppm at room temperature and cold store (5oC) was increased for up to 17 days and 22 days, respectively. Meanwhile, the shelflife of tomato cultivars ‘Rista’ and ‘Triatlon’treated with Diox Forte at 40 ppm was significantly increased by 45 days and 29 days, respectively, compared to those of untreated tomatoes; the shelflife of cultivar ‘Octavio’ treated with Diox Forte at 10 ppm reached a maximum at 46 days, compared to untreated tomatoes; and cultivar ‘Olivade’ did not response to Diox Forte solutions. In the absence of Diox Forte, the shelflife of cultivar ‘Octavio’ was the highest with 40 days, followed by ‘Olivade’ (31 days) and ‘Triatlon’ (25 days) as compared to cultivar ‘Rista’ (24 days).

Keywords


ClO2; Cold storage; Diox Forte; Grapes; Room temperature; Tomatoes

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References


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DOI: http://dx.doi.org/10.37569/DalatUniversity.6.3.77(2016)

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