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 high survivability even in the case of being stored in a fermented milk food or drink under aerobic condition. The Bifidobacterium bifidum has the following characteristics: (1) having an effect of killing Helicobacter pylori; and (2) showing a survival rate of 10% or higher in the case of being stored in a fermented milk drink or food under aerobic condition at 10°C for 14 days.