Abstract:
Provided is a composition containing arylnaphthalene lignan derivatives, that are one or more selected from a group consisting of Justicidin A, 5-methoxyjusticidin A, Chinensinaphtol, and a pharmaceutically acceptable salt thereof as an active ingredient for preventing, relieving, and/or treating dementia, and ameliorating memory impairment and/or improving memory.
Abstract:
The present invention relates to a pharmaceutical composition for preventing and/or treating dementia comprising extracts of Monsonia species; a food composition for preventing and/or inhibiting dementia comprising extracts of Monsonia species; and a method of preparing an extract of Monsonia species with excellent inhibitory effect on the formation of beta-amyloid. The plant extract can inhibit the formation of beta-amyloid which has been known as a factor causing the dementia, especially Alzheimer's disease, thereby being used for preventing, inhibiting, and/or treating the dementia.