Introduction of Bai Guo:Semen Ginkgo or Ginkgo Seed.

TCM Herbalism:Medicinals and Classifications. ✵The TCM herbalism is also known as pharmaceutics of Traditional Chinese Medicine, or Chinese pharmaceutics, is the branch of health science dealing with the preparation, dispensing, and proper utilization of Chinese herbs. It is majorly composed of Introduction of Chinese Medicinals, Classification of Chinese Herbs, Formulas, and Patent medicines.

Classifications of Herbs:Antitussives Herbs.

 TCM Herbs Icon02 Introduction: Antitussives herbs: an agent or substance herbs that stops coughing.

 
Semen Ginkgo(Ginkgo Seed).

Ginkgo biloba Pin Yin Name: Bái Guǒ.
 English Name: Ginkgo Seed.
 Latin Name: Semen Ginkgo.
 Property and flavor: plain,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.

 Ginkgo biloba tree (1).Ginkgo biloba L.:
 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: Dry seeds are obovate or elliptic, slightly flattened. The outer shell(seed coat) is white or off-white, smooth and hard, with long oblate seed kernels inside the shell and a light brown film at one end when peeled. Seed kernels are pale yellow or yellowish-green, white inside, silty, center with voids. Near the apex, there are 2 or more cotyledons. Slight smell, tastes sweet, slightly bitter, and puckery.

 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: Internally:4.5~9 grams(CP), or 1.5~3 qian(about 4.5~9 grams,DCTM), or 3~9 grams(CHMM), water decoction; extract juice or grinded to fine powder and prepared to pill, powder.Externally:mashed and apply stick.

 
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References:
  • 1.Introduction of Bai Guo:Semen Ginkgo or Ginkgo Seed.
  • 2.TCM Books:DCTM(Dictionary of the Chinese Traditional Medicine),CHMM(Chinese Herbal Materia Medica).

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