The present invention pertains to: a novel Lactobacillus sakei WIKIM0109 isolated from Kimchi; and a composition containing same. The Lactobacillus sakei WIKIM0109 according to the present invention is a lactic acid bacteria having an activity of inhibiting IgG and IgG2a production in blood and an activity of inhibiting IFN-γ, IL-17, and TNF-α production, and can be used in various applications, such as for preventing and ameliorating arthritis, or improving intestinal regulation in humans or animals.
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