ANTIALLERGIC AGENT AND FERMENTED FOOD CONTAINING BIFIDUS BACTERIUM AS ACTIVE COMPONENT

摘要

PROBLEM TO BE SOLVED: To obtain an antiallergic agent and a fermented food having excellent safety and effective for inducing peroral immune tolerance to intestinal normal bacterial flora and preventing the occurrence of food allergy by using a bifidus bacterial strain capable of curing food allergy as an active component. SOLUTION: This agent contains a human-originated bifidus bacterial strain capable of curing food allergy and belonging to Bifidobacterium infantis, Bifidobacterium breve, Bifidobacterium longum or Bifidobacterium bifidum as an active component. The bifidus bacterial strain is preferably Bifidobacterium infantis JCM 1222 and/or Bifidobacterium breve JCM 1192 and the daily administration rate of the bifidus bacteria for adult is >=1×10<6> , preferably 1×10<8> to 1×10<10> in terms of the number of living cells.