| abstract |
An object of the present invention is to provide a novel substance having a natural immune activation action. As a polysaccharide having a natural immune activation action, as a constituent sugar, 25 to 50 mole parts of galacturonic acid, 15 to 50 mole parts of galactose, 0 to 7 mole parts of glucose, 0 to 30 mole parts of arabinose, 0 to 6 mole parts Polysaccharide, characterized in that it contains xylose and a polygalacturonic acid chain having an α-1,4 bonded galacturonic acid as a main chain, and the polysaccharide as an active ingredient It relates to a natural immune activating agent contained as, and foods containing the polysaccharide. |