Iron stick yam is one of the varieties of yam, which is sweet in taste and flat in nature, and has the effects of invigorating spleen and stomach, promoting fluid production and benefiting lung, tonifying kidney and astringent essence.

Yam is the dried rhizome of Dioscorea zingiberensis, which mainly contains cystine, γ -aminobutyric acid, cholesterol, ergosterol, campesterol, stigmasterol, diosgenin, dopamine, allantoin and other components. Yam can enter the spleen, lung and kidney meridians, and can be used for anorexia due to spleen deficiency, asthma and cough due to lung deficiency, persistent diarrhea, nocturnal emission due to kidney deficiency, leukorrhagia, frequent urination, deficiency heat and thirst quenching. Modern research shows that this product has the functions of enhancing immune function, regulating gastrointestinal function and blood sugar, resisting aging, kidney injury and liver injury.

This content was reviewed by Cao, the chief pharmacist of Pharmacy Department of Oriental Hospital of Beijing University of Chinese Medicine.

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