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http://dx.doi.org/10.9721/KJFST.2011.43.5.577

Effect of On-site Postharvest Hot Water Treatment on Storage Quality of Commercial Greenhouse Satsuma Mandarin  

Lee, Hyun-Hee (Korea Food Research Institute)
Hong, Seok-In (Korea Food Research Institute)
Son, Seok-Min (Department of Food and Biotechnology, Hoseo University)
Kim, Dong-Man (Korea Food Research Institute)
Publication Information
Korean Journal of Food Science and Technology / v.43, no.5, 2011 , pp. 577-582 More about this Journal
Abstract
Greenhouse satsuma mandarins (Citrus unshiu Marc., cv. Gungchun) of an early harvesting cultivar were treated by hot water showering at 65$^{\circ}C$ for 10 s at a commercial scale in a packing house and then stored at 5$^{\circ}C$ for 3 weeks and subsequently at 18$^{\circ}C$ for 1 week (simulated shelf-life) to examine the potential use of hot water treatment (HWT) as an environmentally benign method to maintain mandarin quality characteristics during postharvest storage and sale. The respiration rate just after heat treatment or during storage was at a similar level in both the treated and untreated fruit. HWT also had no detrimental effects on quality attributes including pH, titratable acidity, soluble solids content, weight loss, firmness, and peel color. The development of stem-end rot, mold decay, and black rot was lower in the heat-treated fruit compared to those in the untreated control. A sensory evaluation showed that HWT markedly improved fruit appearance, making the fruit cleaner and glossier. The results suggested that HWT can be applied to satsuma mandarin as an effective pretreatment to maintain postharvest quality during storage and marketing.
Keywords
Satsuma mandarin; hot water dipping; postharvest treatment; decay control; citrus fruit;
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Times Cited By KSCI : 1  (Citation Analysis)
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