Extracts of Ginkgo leaves contain flavonoid glycosides and terpenoids (ginkgolides, bilobalides) and have been used pharmaceutically. It is moderately effective in improving cognition in dementia patients
In memory enhancement
Ginkgo is mainly used as memoryand concentration enhancer, and anti-vertigo agent. Ginkgo can significantly improve attention in healthy individuals
In other symptoms
Ginkgo extract may have three effects on the human body:
improvement in blood flow (including microcirculation in small capillaries) to most tissues and organs;
protection against oxidative cell damage from free radicals;
and blockage of many of the effects of platelet-activating factor (platelet aggregation, blood clotting)that have been related to the development of a number of cardiovascular, renal, respiratory and central nervous system disorders.
Gingko is effective in treatment of mild to moderate cerebrovascular insufficiencyas well as the effects of peripheral arterial occlusive diseases.Cerebrovascular insufficiency, i.e., insufficient blood flow to the brain, may manifest itself as such memory deficit, disturbed concentration or headaches. Peripheral arterial occlusive diseases are those in which the blood flow to the smaller arteries are restricted and may include claudication, i.e., painful walking, and Raynaud's disease, a condition in which the extremities such as fingers, toes, nose or ears, feel numb and cold.