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http://dx.doi.org/10.3746/jkfn.2010.39.1.138

Effect of Combined Treatment of Ultraviolet-C with Aqueous Chlorine Dioxide or Fumaric Acid on the Postharvest Quality of Strawberry Fruit "Flamengo" during Storage  

Kim, Ju-Yeon (Dept. of Food Science & Technology, College of Agriculture & Life Sciences, Chungnam National University)
Kim, Hyun-Jin (Dept. of Food Science & Technology, College of Agriculture & Life Sciences, Chungnam National University)
Lim, Geum-Ok (Dept. of Food Science & Technology, College of Agriculture & Life Sciences, Chungnam National University)
Jang, Sung-Ae (Dept. of Food Science & Technology, College of Agriculture & Life Sciences, Chungnam National University)
Song, Kyung-Bin (Dept. of Food Science & Technology, College of Agriculture & Life Sciences, Chungnam National University)
Publication Information
Journal of the Korean Society of Food Science and Nutrition / v.39, no.1, 2010 , pp. 138-145 More about this Journal
Abstract
The combined effect of 50 ppm aqueous chlorine dioxide ($ClO_2$) or 0.5% fumaric acid with $5 kJ/m^2$ ultraviolet-C (UV-C) on the postharvest quality of "Flamengo" strawberries was examined. After non-thermal treatment, the samples were stored at $4\pm1^{\circ}C$ for 12 days. The combined treatment of fumaric acid/UV-C reduced the initial populations of total aerobic bacteria and yeast and molds in the strawberries by 2.09 and 2.02 log CFU/g, respectively, compared to those of the control. In addition, after 12 days of storage the yeast and molds population in the combined treatment was 1.72 log CFU/g, compared to 5.10 log CFU/g for the control, resulting in a significant decrease of 3.38 log CFU/g. Postharvest treatments used in this study caused negligible changes in the color of the strawberries. Sensory evaluation results indicated that the combined postharvest treatment provided better sensory scores than did the control. In particular, the overall acceptability scores were higher for the combined treatment groups after 5 days of storage. These results suggest that combined treatment of either 50 ppm $ClO_2$ or 0.5% fumaric acid with $5 kJ/m^2$ UV-C can be useful for maintaining the quality of strawberries.
Keywords
strawberries; combined treatment; fumaric acid; aqueous chlorine dioxide; UV-C irradiation;
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Times Cited By KSCI : 8  (Citation Analysis)
Times Cited By SCOPUS : 7
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