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KMID : 1134820160450010012
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Journal of the Korean Society of Food Science and Nutrition
2016 Volume.45 No. 1 p.12 ~ p.19
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Probiotic Effects of Lactobacillus plantarum and Leuconostoc mesenteroides Isolated from Kimchi
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Lee Kyung-Hee
Bong Yeon-Ju
Lee Hyun-Ah
Kim Hee-Young
Park Kun-Young
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Abstract
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The probiotic effects of kimchi lactic acid bacteria (LAB), Lactobacillus plantarum (Lab. plantarum) and Leuconostoc mesenteroides (Leu. mesenteroides), were studied. Lab. plantarum KCCM 11352P (LPpnu) and Leu. mesenteroides KCCM 11353P (LMpnu) were isolated from kimchi and were the predominant LAB. We compared their probiotic effects with Lactobacillus rhamnosus GG (LRgg), a well-known probiotic LAB. LPpnu showed better probiotic activities than LRgg. LMpnu also exhibited almost equal activities as LRgg. These two kimchi LAB strains exhibited resistance to gastric and bile acid, adhesion to intestines, and thermal stability. In particular, LPpnu showed excellent probiotic properties. In addition, LPpnu showed greater antioxidant activity by scavenging DPPH radicals or hydroxyl radicals than LMpnu or LRgg. LPpnu also inhibited growth of HT-29 human colon cancer cells by inducing apoptosis, increasing Bax and suppressing Bcl-2 expression compared to LMpnu or LRgg. Taken together, LPpnu and LMpnu could be used as probiotics, and LPpnu exhibited the most beneficial probiotic activities with anti-oxidant and anti-cancer properties.
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KEYWORD
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probiotic, Lactobacillus plantarum, Leuconostoc mesenteroides, kimchi
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