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Change of skin scratching behavior (A) and epidermal hydration of skin (B) in mice. Results are expressed as mean±SD. Means with different letters (a-d) are significantly different at P<0.05. NC, normal control; C, DNCB-control; PC, positive control (DNCB-treated NC/Nga mice fed a dietary supplement of 240 mg/kg b.w. of γ-rinolenic acid); lactic acid bacteria stains (LBS) from kimchi [DNCB-treated NC/Nga mice fed a dietary supplement of 2×104 CFU/mouse of LBS isolated kimchi].
