Longevity: Yam is rich in mucin, vitamins and trace elements, which can well inhibit the deposition of blood lipids on the blood vessel wall, thus preventing cardiovascular and cerebrovascular diseases and prolonging life.
Lowering blood sugar: Yam contains mucin, which can effectively lower blood sugar. Compared with the general staple food carbohydrate, yam has lower carbohydrate content, so it has certain curative effect on treating diabetes and is a good food for diabetic patients.
Benefiting lung and relieving cough: Saponins and mucus contained in yam have the function of lubricating and moistening dryness, which is beneficial to lung qi and nourishing lung yin. Clinically, patients with lung qi deficiency and chronic cough can eat it.