2, can be used as medicine, and has high medicinal value;

3, can be used as a bookmark.

The effect of ginkgo orchard:

1, Ginkgo biloba contains flavonoids active substances. Modern research shows that there are flavonoids active substances in Ginkgo biloba leaves for more than 30 minutes, which are beneficial to people, such as protecting capillary permeability, dilating coronary arteries, restoring arterial elasticity, lowering serum cholesterol, increasing coronary blood flow, improving cardiovascular and cerebrovascular circulation, relieving smooth muscle spasm, relaxing bronchi, inhibiting bacteria, nourishing brain cells and other organs, and maintaining blood quality and cholesterol of arteries, peripheral vessels and capillaries.

2. Prevent the formation of blood clots: Ginkgo biloba can prevent platelets from sticking together, thus preventing the formation of blood clots, which may lead to heart attack or stroke. If there is a blood clot in the artery leading to the heart, it will cause a heart attack; If a blood clot stays in the artery leading to the brain, it will lead to a stroke.

3. Improve memory and prevent Alzheimer's disease: With the increase of age, the secretion of nerve substance conduction will gradually decrease, resulting in decreased sensitivity and memory degradation. Ginkgo biloba leaves can increase the content of neurotransmitter dopamine in the body, and dopamine can improve the body's ability to transmit information. Ginkgo biloba leaves can improve the mental activity of the elderly with degraded intellectual function and prevent the occurrence of Alzheimer's disease.

4. Antioxidant effect: Ginkgo biloba leaves are rich in flavonoids. The research report pointed out that flavonoids have antioxidant effect, protecting the body from free radicals and unstable molecules, which will destroy body tissues and healthy cells, making people prone to illness. The causes of free radicals may come from gene mutation, disease, aging or environmental pollution. Antioxidants can prevent the formation of free radicals and make the body healthier.