Exopolysaccharide produced by lactic acid bacterium
Provided are exopolysaccharide produced by novel lactic acid bacteria having an IgA production promoting ability, a production method of the exopolysaccharide, a composition containing the exopolysaccharide, and the like.
1. A method of stimulating intestinal immunity in a mammal in need thereof, comprising administering to the mammal an effective amount of purified exopolysaccharide produced from Leuconostoc mesenteroides NTM048 strain deposited under accession No. NITE BP-1519, or a mutant strain thereof.
2. A method of treating an allergy in a mammal in need thereof, comprising administering to the mammal an effective amount of purified exopolysaccharide produced from Leuconostoc mesenteroides NTM048 strain deposited under accession No. NITE BP-1519, or a mutant strain thereof.
3. A method of treating an infection of virus in a mammal in need thereof, comprising administering to the mammal an effective amount of purified exopolysaccharide produced from Leuconostoc mesenteroides NTM048 strain deposited under accession No. NITE BP-1519, or a mutant strain thereof.
4. The method of claim 1 , wherein an effective amount of the purified exopolysaccharide produced from Leuconostoc mesenteroides NTM048 strain deposited under accession No, NITE BP-1519 is administered to the mammal.
5. The method of claim 2 , wherein an effective amount of the purified exopolysaccharide produced from Leuconostoc mesenteroides NTM048 strain deposited under accession No, NITE BP-1519 is administered to the mammal.
6. The method of claim 3 , wherein an effective amount of the purified exopolysaccharide produced from Leuconostoc mesenteroides NTM048 strain deposited under accession No, NITE BP-1519 is administered to the mammal.