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http://dx.doi.org/10.9721/KJFST.2018.50.1.44

Development of fermentation·storage mode for kimchi refrigerator to maintain the best quality of kimchi during storage  

Moon, Song Hee (Department of Food and Nutrition, Kimchi Research Center, Chosun University)
Kim, Eun Ji (Department of Food and Nutrition, Kimchi Research Center, Chosun University)
Kim, Eun Jeong (Refrigerator R&D Laboratory, LG Electronics)
Chang, Hae Choon (Department of Food and Nutrition, Kimchi Research Center, Chosun University)
Publication Information
Korean Journal of Food Science and Technology / v.50, no.1, 2018 , pp. 44-54 More about this Journal
Abstract
To maintain the best quality of kimchi during long-term storage, we developed a fermentation storage mode for the kimchi refrigerator. The optimal kimchi fermentation temperature was determined to be $6^{\circ}C$ with fermentation time of 4-7 days in winter and 3-5 days in spring and fall. Based on these results, the fermentation storage mode conditions were programmed to consist of a fermentation temperature of $6^{\circ}C$ and fermentation times of 111 h in winter and 58 h in spring/fall. When kimchi was stored under the developed fermentation storage mode conditions, the total acidity of kimchi was almost the same as that of the control kimchi (stored $-2-\;-1^{\circ}C$ for 12 weeks). However, the number of lactic acid bacteria (LAB) and Leuconostoc sp. in kimchi were higher ($10^1-10^2CFU/mL$) than those in the control kimchi during storage. In addition, kimchi fermented and stored under the fermentation storage mode clearly received higher scores for overall preference than the control kimchi.
Keywords
kimchi; kimchi refrigerator; fermentation.storage; long-term storage; lactic acid bacteria;
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Times Cited By KSCI : 3  (Citation Analysis)
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