Bifidobacterium bifidum strain and strain-derived polysaccharide

Abstract

The present invention relates to a Bifidobacterium bifidum inducing regulatory T cells (Treg), a polysaccharide derived from Bifidobacterium bifidum, and a probiotic strain producing a polysaccharide and, more particularly, a polysaccharide containing β-1-6-glucan as an effective ingredient, a probiotic strain producing β-1-6-glucan, a food comprising the polysaccharide or strain as an effective ingredient for alleviation of immune disease or inflammatory disease, a therapeutic agent comprising the polysaccharide or strain as an effective ingredient for alleviation of immune disease or inflammatory disease, a method for preparing induced regulatory T cells (iTreg) by treatment with the polysaccharide or strain, and a cell therapy product for prevention or treatment of immune disease or inflammatory disease, comprising the induced regulatory T cells prepared by the method.

Dependencies are inferred from the claim text.