Abstract:
A composition for preventing or treating neurodegenerative diseases, which contains Dictamnus dasycarpus Turcz. extract or limonoid compound is provided to prevent and treat dementia, amnesia and Alzheimer disease. A composition for preventing or treating neurodegenerative diseases comprises C1-C4 alcohol extract of Dictamnus dasycarpus Turcz. The composition contains CHCl3 fraction, EtOAc fraction or n-BuOH fraction of alcohol extract. The composition is used for preventing or treating damage of memory, dementia, amnesia, or Alzheimer disease. The composition is used in the form of liquid, syrup, and capsule.