PROPHYLACTIC/THERAPEUTIC PREPARATION FOR DEMENTIA AND PROPHYLACTIC/THERAPEUTIC METHOD FOR DEMENTIA USING THE SAME

摘要

PROBLEM TO BE SOLVED: To obtain a crude drug having slight side effect on human health as a therapeutic/prophylactic agent for intractable dementia. ;SOLUTION: This crude drug to be used in preventing/treating dementia is Astragali radix as a crude drug or an extract thereof or active compounds contained in the extract. This crude drug is used in the form of an extract. The above-compounds include ones having the action to improve brain functions. The extract can be obtained using an appropriate extraction solvent such as ethanol by means of water bath or chromatography.;COPYRIGHT: (C)2001,JPO