Concentrated extract from panax notoginseng, and healthy functional food and pharmaceutical composition for prevention and treatment of stroke and neurodegenerative diseases including dementia

PURPOSE: A composition containing Panax notoginseng extract for preventing and treating neurodegenerative diseases is provided to reduce size of brain edema and cerebral infarction. CONSTITUTION: A pharmaceutical composition for preventing and treating neurodegenerative diseases including stroke and dementia contains Panax notoginseng extract as an active ingredient. The Panax notoginseng extract is isolated using 50-100% alcohol of 1-5 carbon atoms. A functional food for preventing and treating neurodegenerative diseases contains the Panax notoginseng extract as an active ingredient.