Introduction of Bai Guo:Semen Ginkgo or Ginkgo Seed.

TCM Herbalism:Medicinals and Classifications. ✵The article gives records of the herb Ginkgo Seed, its English name, Latin name, property and flavor, its botanical source one plant species, ①.Ginkgo biloba L., with a detailed introduction to the botanical features of this plant, the growth characteristics, and ecological environment of this plant, the features of the herb Ginkgo Seed, its pharmacological actions, medicinal efficacy, and administration guide.

Semen Ginkgo(Ginkgo Seed).

Ginkgo Seed:herb photo Pin Yin Name: Bái Guǒ.
 English Name: Ginkgo Seed.
 Latin Name: Semen Ginkgo.
 Property and flavor: neutral in nature,sweet,bitter,puckery,toxic.

 Brief introduction: The herb Semen Ginkgo is the dried ripe seed of the maiden-hair tree, Ginkgo biloba L.(family Ginkgoaceae), used (1).as an antitussive and anti-asthmatic for prolonged cough or asthma with profuse expectoration, (2).to check leukorrhagia, and (3).to reduce urination in cases of enuresis and frequent micturition. The herb is commonly known as Semen Ginkgo, Ginkgo Seed, Bái Guǒ.

 Botanical source: The herb Semen Ginkgo(Ginkgo Seed) is the dried ripe seed of the Ginkgo biloba L., it is a plant of the Ginkgo genus, the Ginkgoaceae family of the Ginkgoales order.

(1).Ginkgo biloba L.

 Ginkgo biloba tree and green fruit Botanical description: The Ginkgo Biloba comes from the Ginkgo tree, and is one of the oldest living tree species. The Ginkgo tree has been around for 150 to 200 million years. The Chinese have used Ginkgo for thousands of years for various ailments. Ginkgo Biloba was first introduced to Europe in the 1700s, and is now used widely. Ginkgo Biloba is one of the most researched herbs. The Ginkgo Biloba is used by Chinese to relief asthma, lung congestion, it was also used to increase sexual energy, regulate blood flow, and promote general longevity.

 Growth characteristics: Ginkgo tree prefers fertilizer, dampness, and requires a highly ventilated environment, it is cultivated in most areas of China.

 Characters of herbs: The seed without exocarp are egg-shaped or oval, 1.5~3 cm long and 1~2.2 cm wide. The mesosperm (shell, mesocarp) is bony, smooth, yellow-white or light brown on the surface, with a dot-like protrusion at the base, one ridge at both edge, and occasionally three ridges. The endotesta(endothelium, inner seed coat) is membranous, reddish brown or yellowish brown. The kernel is oblate, light yellow, the endosperm is thick, powdery, and there is a gap in the middle; the embryo is tiny. The herb has no smell, tastes slightly sweet and bitter. The herb which shell color is yellow and white, the kernel is full, and the fracture surface color light yellow is better.

 Ginkgo biloba tree and ripe fruit Pharmacological actions: The nitrogen-free neutral component of ginkgo seed kernel can make mice convulse, medulla oblongata paralysis, followed by respiratory arrest and cardiac arrest and death. Raw ginkgo seed is toxic, excessive eating can lead to vomiting, abdominal pain, diarrhea, convulsions, restlessness, breathing difficulties, and other symptoms, common rescue measures are gastric lavage, catharsis, taking egg white and activated charcoal; also with symptomatic treatment, such as taking sedatives, diuretics, intravenous injection of hypertonic glucose, oxygen supply, etc.

 Medicinal efficacy: Astringing lung for relieving asthma, leukorrhea and turbid discharge, reduce urine, indicated for dyspnea with cough due to much phlegm, leukorrhea and white turbid discharge, enuresis(bed-wetting), frequent micturition(frequent urination), etc.

 Administration of Semen Ginkgo(Bái Guǒ): 
Reference: Administration Guide of Semen Ginkgo(Bái Guǒ)
TCM Books: ①.Internally:4.5~9 grams; ②.1.5~3 qian(about 4.5~9 grams); ③.3~9 grams, water decoction; extract juice or grinded to fine powder and prepared to pill, powder.Externally:mashed and apply stick.
 Precautions and Adverse Reactions: it is poisonous if taken rawly, taken rawly or taken overdose with fried herb will lead to poisoning, accidental poisoning in child is especially common.

Antitussives Herbs.

 Introduction: Antitussives herbs: an agent or substance herbs that stops coughing.
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