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http://dx.doi.org/10.3746/jkfn.2010.39.11.1678

Inhibition of Microbial Growth in Cabbage-Kimchi by Heat Treatment and Nisin·Yucca Extract  

Kim, Ji-Sun (Dept. of Food Science and Technology, Chungbuk National University)
Kim, Yu-Jin (Dept. of Food Science and Technology, Chungbuk National University)
Park, Jung-Mi (Dept. of Food Science and Technology, Chungbuk National University)
Kim, Tae-Jip (Dept. of Food Science and Technology, Chungbuk National University)
Kim, Beom-Soo (Dept of Chemical Engineering, Chungbuk National University)
Kim, Yeon-Mi (Jinmi Ltd.)
Kim, Hye-Rim (Jinmi Ltd.)
Han, Nam-Soo (Dept. of Food Science and Technology, Chungbuk National University)
Publication Information
Journal of the Korean Society of Food Science and Nutrition / v.39, no.11, 2010 , pp. 1678-1683 More about this Journal
Abstract
For extension of storage period of cabbage-kimchi, effects of heat treatment as well as nisin or yucca extract were examined on the growth of microbes. Firstly, when kimchi was heated at various temperatures in polyethylene plastic bottle or membrane pouch, the optimum inhibitory condition giving no sensory change was at $80^{\circ}C$ for 30 min in a plastic membrane pouch and this treatment made a reduction of $0.3\;log_{10}CFU/g$ in total microbes. The result showed that use of plastic bottle was inefficient due to low heat transfer rate. Interestingly, pasteurization of seasoning pastes at $80^{\circ}C$ for 30 min separately from cabbage resulted in better inhibitory effect reducing $0.5\;log_{10}CFU/g$ of total bacteria and $1.0\;log_{10}CFU/g$ of lactic acid bacteria, and this operation was regarded as a promising inhibitory method. Secondly, when nisin and yucca extract were separately added in kimchi, microbial growth was inhibited during storage period and their inhibition effects were enhanced at lower temperature.
Keywords
kimchi storage period; heat treatment; nisin; yucca extract; lactic acid bacteria;
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Times Cited By KSCI : 10  (Citation Analysis)
Times Cited By SCOPUS : 2
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