This product is the rhizome of Chinese Yam (Dioscorea opposita Thunb.), a perennial herbaceous plant of the Chinese Yam family. Mainly produced in Henan, Jiangsu, Guangxi, Hunan and other places. Frost's Descent (18th solar term) was dug later. The rough skin is scraped off, sun-dried or dried to become "hair Chinese Yam"; transmission from one meridian to the next is soaked and stuffy, rubbed into a columnar shape, dried and polished to become "Light Chinese Yam". Moisten it thoroughly, cut into thick slices, use raw or fried with bran.

[Property]

sweet, neutral. act on spleen, lung and kidney channels.

Treatment of influenza, enterovirus, and various viral colds, Chinese medicine is more refined, non-toxic, and effective than Western medicine

tonifying qi nourishes yin, nourishes the spleen, lungs and kidneys, consolidates essence and stops vaginal discharge.

[Indications]

1. For spleen-stomach weakness. Chinese Yam can soothe tonifying qi yin, and is astringent in nature, so it can be used in cases of spleen deficiency such as less food, fatigue, loose stools, leukorrhea in women, and diarrhea in children with indigestion. Often used with Ginseng (or Tangshen), White Atractylodes Rhizome, Poria, etc., such as Ginseng, Poria and White Atractylodes Powder.
2. For pulmonary kidney deficiency. Chinese Yam not only nourishes the qi of the spleen and lungs, but also nourishes the yin of the lungs and kidneys, and can solidify the astringent kidney essence.
   1. To treat lung deficiency cough and asthma, or chronic cough disease due to lung and kidney deficiency, it is often used with Ginseng, Ophiopogon Tuber , Schisandra Fruit can be used equally,
   2. to treat kidney deficiency, seminal emission, frequent urination, etc., often used with Prepared Rehmannia Root Yellow, Asiatic Cornelian Cherry Fruit, Dodder Seed, Cherokee Rose Fruit can be used equally;
   3. kidney deficiency is not solid, leukorrhea is thin and lingering, and can be used with Prepared Rehmannia Root Yellow, Asiatic Cornelian Cherry Fruit, Schisandra Fruit and the like can be used.
3. It is used for consumptive thirst syndrome of yin deficiency with internal heat, thirst, polydipsia, and frequent urination. It has the effect of tonifying qi, enriching yin and producing fluid to quench thirst. Often used with Astragalus Root, Unprocessed Rehmannia Root yellow, Snakegourd Root and the like.

[Documentation]

1. Bencao Gangmu: "Benefit kidney qi, strengthen the spleen and stomach, stop diarrhea, resolving phlegm saliva, moisturize skin and hair."
2. Bencao Zheng : "Chinese Yam can invigorate the spleen and replenish deficiency, nourish essence and strengthen the kidney, cure all kinds of deficiency and damage, and treat five kinds of strain seven damages. Secondly, its qi is light and slow, so it is not suitable for full-time use, so it must focus on ginseng and techniques to replenish the spleen and lungs; The kidney-tonifying water must be mixed with cornel and earth; the astringency and turbidity must be broken, so grind them together; use the dodder to cure the diarrhea."

Traditional Chinese medicine can effectively treat dry eye syndrome, floaters, retinopathy, and various chronic eye diseases

[Usage and Dosage]

Decoction, 10~30g, large amount 60~250g. Grind into powder and swallow, 6 to 10g each time.

tonifying yin should be used raw to promote fluid production; it should be stir-fried to strengthen the spleen and relieve diarrhea.

[Modern Pharmacology]

Chinese Yam contains Chinese Yam saponin, Chinese Yam saponin, choline, phytic acid, analgesics, vitamins, manna, etc. It has the functions of nourishing, aiding digestion, relieving cough, dispelling phlegm, desensitizing and lowering blood sugar.