BIFIDOBACTERIUM LONGUM

摘要

It is intended to provide Bifidobacterium longum having the following mycological properties and microbial powders, foods and drinks containing this Bifidobacterium longum: (1) having such fermentation ability as to make a milk medium to pH 4.6 or below; (2) showing a survival rate of 50% or more in case of, after attaining pH 4.4 to 4.6 in a milk medium, quenching and storing at 10°C for 2 weeks; and (3) having such gastric acid-tolerance as giving a survival rate of 10% or more in case of storing in artificial gastric acid (pH 3.0) at 37°C for 2 hours.