Azetidine derivative, bifidobacterium division-promoting composition containing the same, and a process for production thereof

摘要

An azetidine derivative is provided which includes 3,3-dihydroxyazetidine represented by Chemical Formula (I) or a salt thereof: A composition containing the azetidine derivative, and a process for producing the azetidine derivative are also provided. The azetidine derivative is a novel compound, and is useful for promoting bifidobacterium divisional multiplication.