NOVEL BACTERIUM BELONGING TO THE GENUS BIFIDOBACTERIUM AND UTILIZATION OF THE SAME

摘要

It is intended to provide Bifidobacterium bifidum which has an effect of killing Helicobacter pylori and shows a high survival ratio even in the case of being stored in a fermented milk food or drink under aerobic conditions. Thus, Bifidobacterium bifidum having the following characteristics is provided: (1) having an effect of killing Helicobacter pylori; and (2) showing a survival ratio of 10% or higher in the case of being stored in a fermented milk drink or food under aerobic conditions at 10°C for 14 days.