Food allergy was induced in two groups of NC/jic mice. Mice fed frucuto-oligosaccharides showed fewer allergic symptoms than control diet-fed mice. The cecal microbiota compositions were clearly different between the two groups, and the difference was partly attributable to Clostridia possession. A possible link of the compositional change in intestinal micriobiota with the anti-allergic effect of fructo-oligosaccharides is suggested.
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