Description
Common tonic herb, a medicinal and edible ingredient. (i.e. for daily, tonic ingestion)
Dried Chinese yam (also known as Shan Yao) is the dehydrated form of fresh yam. In Traditional Chinese Medicine (TCM), it is a known as a digestive tonic herb that is astringent. This means that it tightens and strengthens lax tissues in the body. This in turn strongly suggests that taken as a daily tea, Dried Chinese Yam can help repair tissue in the stomach lining that is porous and leaky.
The Chinese Yam has been cultivated across parts of Asia for centuries for use as both food and medicine. In its dried form it is known as Shan yao and can be taken daily in porridge or tea to help gently nourish people recovering from long illness or who are otherwise having a hard time absorbing nourishment into the body.
As an ingredient in TCM formulas, it is used variously to promote healthy digestion, stop loose, watery stools, address dry cough, wheezing, and shortness of breath, and help with various forms of leakage from the urinary system (e.g. spermatorrhea, frequent urination, and nighttime enuresis (wetting the bed).
Good for :
✔ poor digestion
✔ dry cough, wheezing.
✔ nighttime urination, dribbling.
Key benefits :
– nourishes the body
– helps strengthen digestive processes
– astringes various forms of leakage
– strengthens the Lung
Traditional Chinese medicine benefits :
· Tonifies both the Qi and Yin of the Spleen – Tonifies the Spleen and Nourishes the Stomach. Helps with spleen deficiency symptoms such as poor appetite, fatigue, chronic diarrhoea, and loose stools.
· Tonifies Qi and Yin of the Lung – Generates Fluids and Benefits the Lungs. Soothes lung‑deficiency cough and wheezing, and helps with thirst (e.g., in diabetes) due to yin deficiency with internal heat.
· Tonifies Kidney yin/astringes Kidney – Nourishes the Kidneys and Controls Leakage. Supports conditions like kidney‑deficiency nocturnal emission, frequent urination, and excessive vaginal discharge in women.
Modern research also suggests it may help regulate the gastrointestinal tract, lower blood sugar, and enhance immunity.
Common Culinary Uses :
Before cooking, dried yam slices are usually soaked in water until soft. This helps release active ingredients more easily.
· Porridge/Congee – a classic method. Cook with rice or millet, especially suitable for those with weak digestion. Add other herbs e.g. dates, goji berries, white peony root, etc to your brew/porridge.
· Soups – slow‑simmer with pork ribs, chicken, other meats and other herbs for a rich, mellow flavour.
· Powder form – grind into a fine powder and mix with warm water, or use in baking/pastry making.
· Tea / Decoction – steeping is fine for daily wellness; for therapeutic effects, decocting (boiling in water) extracts more active compounds.
Precautions :
· Who should avoid it : Not recommended for those with dampness‑fullness in the middle jiao (bloating, poor digestion) or excess pathogenic factors / food stagnation.
· Important note : If using for therapeutic purposes, always consult a qualified TCM practitioner for proper guidance.
Recommendation dosage : For daily dietary use, 15–30 grams is typical; if taking as powder, 6–11 grams per dose.
Recipes :
· Tea / Decoction – steep roughly 5-10 grams of dried herb per cup of hot water for a good 10-15 minutes. For best results, first soak the slices in warm water for 15–30 minutes to soften them before making the actual tea.
