The objective of the present invention is to provide an Alzheimer-type
dementia suppressant that is safe and thus can be administered daily and utilized as a
health food and by which Alzheimer-type
dementia can be suppressed, and a method for producing the Alzheimer-type
dementia suppressant. In addition, the objective of the present invention is also to provide a use of an aboveground part of
Sesamum indicum or an extract thereof for suppressing Alzheimer-type dementia, and a method for suppressing Alzheimer-type dementia. The Alzheimer-type dementia suppressant according to the present invention is characterized in comprising an aboveground part of
Sesamum indicum or an extract thereof as an
active ingredient.