Ginkgo seeds, formerly known as ginkgo, are the seeds of Ginkgo biloba. Oval shape, 1.5~2.5cm long, 1~2cm wide, and about 1cm thick. The surface is yellow-white or light yellow-brown, smooth and hard, with one end slightly pointed and the other end blunt. There are 2 to 3 ridges on the edge. The middle testa (shell) is hard and the inner testa is membranous. One end is light brown and the other end is golden yellow. The kernels are powdery in nature, with a small core in the middle, and taste sweet and slightly bitter. Mainly produced in Jiangsu, Guangxi, Sichuan, Henan, Shandong, Hubei and other places.

Ginkgo is mainly divided into two types: medicinal ginkgo and edible ginkgo. Medicinal ginkgo has a slightly astringent taste, while edible ginkgo has a refreshing taste.

Clinical efficacy

1. Cure asthma, phlegm and cough, leucorrhea, white turbidity, spermatorrhea, gonorrhea, frequent urination.

①. Contrain the lungs, relieve asthma, and reduce phlegm volume: It is suitable for cough, asthma, dyspnea, and excessive phlegm, whether it is cold or hot.

②. To reduce astringency and stop vaginal discharge, and to remove moisture: used to treat white turbid vaginal discharge. It can be used regardless of whether the lower Yuan is weak, the leucorrhea is clear, or the vaginal discharge is yellow and turbid due to dampness and heat. It can be used according to the symptoms.

③. Eliminate phlegm and relieve asthma: used to treat asthma and cough with excessive phlegm. It can eliminate phlegm and relieve asthma.

④. Convergence and dehumidification: It can treat red and white vaginal discharge, white and turbid urine, frequent urination and enuresis.

2． Treatment of Tuberculosis Usage: On the eve of the Mid-Autumn Festival, pick off the semi-green and yellow ginkgo (select large particles with no damage on the outside), do not wash with water or remove the stems, then soak in lettuce oil, soak for 100 days before use. Take 1 capsule each morning, noon and evening each day (reduced for children) before meals, for 1 to 3 months depending on the condition.

3. Antibacterial and sterilizing: Ginkgo acid and ginkgo phenol contained in ginkgo have been experimentally proven to have antibacterial and bactericidal effects and can be used to treat respiratory tract infections. Ginkgo water infusion has varying degrees of inhibitory effects on various fungi, and can relieve itching and treat ringworm.

4. Reduce serum cholesterol and expand coronary arteries: Ginkgo biloba contains shikimic acid, ginkgo biflavonoids, isoglobin biflavonoids, sterols, etc., which are used to treat hypertension, coronary heart disease, angina pectoris, cerebral vasospasm, high serum cholesterol and other diseases. Effect.

5. Ginkgo bicarbonate extracted from fresh ginkgo has a paralyzing effect on the isolated rabbit intestine, causes the isolated uterus to contract, and has no effect on the frog heart. Ginkgo seed kernels contain nitrogen-free neutral ingredients. If 6mg/13g is injected subcutaneously into mice, it can cause convulsions, bulbar paralysis, and then death of respiratory and heartbeat arrests half an hour later. It is said in the past that it contains hydrocyanic acid, which can relieve coughs and cause poisoning, but the presence of hydrocyanic acid has not been detected; it is also said that it cannot be proved that ginkgo contains substances that cause convulsions in mice. The white pulp also has an astringent effect.

Medicine contraindications

1. Those who are really evil should not take it.

2． Excessive consumption of raw or fried food can cause poisoning, and poisoning is particularly common in children.

3. Adverse reactions or poisoning: Ginkgo poisoning has been recorded and reported frequently in ancient times. Most of them occur in autumn when the ginkgo fruits are ripe and are caused by excessive frying or cooking. After eating raw ginkgo, poisoning occurs 1 to 12 hours after taking it. Symptoms include fever, vomiting, abdominal pain, diarrhea, convulsions, and difficulty breathing. In severe cases, death may occur due to respiratory failure. A small number of people present with sensory impairment and paralysis of the lower limbs. Do not use excessive amounts of ginkgo. You should also pay attention to this when taking foods made from ginkgo. Irritating the skin. The outer testa of ginkgo is toxic and can irritate the skin and cause contact dermatitis and blistering. Some people may also develop allergic dermatitis after contact. Symptoms develop rapidly and require emergency treatment.