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http://dx.doi.org/10.7235/hort.2013.12227

Postharvest Quality Changes of Kimchi Cabbage 'Choongwang' Cultivar as Influenced by Postharvest Treatments  

Eum, Hyang Lan (Department of Plant Science, Gangneung-Wonju National University)
Bae, Sang Jun (Department of Plant Science, Gangneung-Wonju National University)
Kim, Byung-Sup (Department of Plant Science, Gangneung-Wonju National University)
Yoon, Jungro (Department of Food Processing and Distribution, Gangneung-Wonju National University)
Kim, Jongkee (Department of Integrative Plant Science, Chung-Ang University)
Hong, Sae Jin (Department of Plant Science, Gangneung-Wonju National University)
Publication Information
Horticultural Science & Technology / v.31, no.4, 2013 , pp. 429-436 More about this Journal
Abstract
Kimchi cabbage 'Choongwang' cultivar is mainly cultivated during summer in Gangneung area. 'Choongwang' cultivar was harvested in late July, applied with predrying, room cooling, and forced air cooling, and then packaged with/without 0.02 mm HDPE film to estimate the effect of postharvest treatment on quality characteristics (weight loss, trimming loss, firmness, SSC, color index, sensory evaluation) during 8 week storage at $2^{\circ}C$. Kimchi cabbage without 0.02 mm HDPE film showed high weight loss up to 13-20% while those of with liner were significantly lower. Also forced air cooling among the postharvest treatments was effective to reduce both weight loss and trimming loss. Appearance and freshness in sensory evaluation were the important factors in estimating good quality during storage. Liner treatment with forced air cooling showed highly significant for maintaining appearance and freshness ($P{\leq}0.01$). Color index was no differences between with/without 0.02 mm HDPE film and postharvest treatments. After 6 weeks storage in without 0.02 mm HDPE film with room cooling or control appearance was severely damaged and also internal browning was found. While in with 0.02 mm HDPE film internal browning was found after 8 weeks storage, just in room cooling or predrying treatment.
Keywords
forced air cooling; internal browning; predrying; room cooling;
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