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KMID : 0881720150300010103
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Journal of Food Hygiene and Safety
2015 Volume.30 No. 1 p.103 ~ p.108
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Growth Inhibition of Listeria monocytogenes by Weissella spp. from Kimchi Through Real-time PCR
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Lee Young-Duck
Kim Dae-Yong
Park Jong-Hyun
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Abstract
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Weissella spp. from traditional Korean foods of Kimchi were isolated and characterized against food-borne pathogenic Listeria monocytogens. The isolates were identified as W. cibaria 0D17 and W. confusa 0D23 from Kimchi by the biochemical characteristics and 16S DNA sequencing. The culture solutions of the isolates adjusted to pH 7.0 showed L. monocytogens inhibition. To analyze the quantitative detection of L. monocytogenes, real-time PCR was performed according to the SYBR Green I method. The isolates grew well and L. monocytogens did not grow during the co-culture with those strains at 37o C. Therefore, W. cibaria 0D17 and W. confusa 0D23 might be the candidates as the functional lactic acid bacteria for improving food safety.
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KEYWORD
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Weissella spp., L. monocytogenes, Kimchi, Real-time PCR, Inhibition
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