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Anticariogenic Activities of Lactobacillus sakei K-7 Isolated from Kimchi
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  • Journal title : KSBB Journal
  • Volume 26, Issue 6,  2011, pp.513-516
  • Publisher : Korean Society for Biotechnology and Bioengineering
  • DOI : 10.7841/ksbbj.2011.26.6.513
 Title & Authors
Anticariogenic Activities of Lactobacillus sakei K-7 Isolated from Kimchi
Moon, Jin-Seok; Ahn, Ji-Eun; Han, A-Reum; Heo, Jeong-Seon; Eom, Hyun-Ju; Shin, Chul-Soo; Choi, Hye-Sun; Han, Nam-Soo;
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 Abstract
The occurrence of dental caries is mainly associated with oral pathogens, especially cariogenic Streptococcus mutans. The aim of this study was to isolate and characterize lactic acid bacterium showing inhibitory activity against cariogenic Streptococcus mutans. As results, an isolate with strong inhibitory activity was obtained from Kimchi and it was identified as Lactobacillus sakei by API and 16S rRNA gene analyses. This strain secreted an inhibitory compound in cell growth medium and the activity of the compound was completely disappeared by proteinase K revealing the fact that the compound is proteinous substance, bacteriocin. Optimal culture condition for bacteriocin production by Lb. sakei K-7 was at pH 7.5 and for 18 h. Oral administration of this isolate may give anticariogenic and probiotic effects on hosts.
 Keywords
Dental caries;Kimchi;Lactobacillus sakei;Bacteriocin;
 Language
Korean
 Cited by
1.
동치미로부터 분리한 Lactobacillus sakei J4의 항균활성 및 생균제로서 특성,박중현;오덕환;정하열;

산업식품공학, 2012. vol.16. 2, pp.122-128
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