Dioscorea opposita contains vitamins. Vitamin C has strong oxidation resistance, which can remove free radicals in the body and relieve skin aging. Moreover, Dioscorea opposita is rich in mucin, which can increase the lubricity of mucous membrane and skin and reduce the accumulation of subcutaneous fat. Therefore, eating steamed Dioscorea opposita frequently can have the effect of beauty beauty, especially in autumn and winter when the weather is dry and steamed Dioscorea opposita contains more water, which can alleviate the phenomenon of skin dehydration and dryness.

2. Nourishing the spleen and stomach

Yam contains some amylase and polyphenol oxidase, which can promote the digestion and absorption of starch and polyphenols in food. It belongs to the medicinal materials for invigorating the spleen and nourishing the stomach in traditional Chinese medicine, so long-term adherence to eating steamed yam can nourish the spleen and stomach, and improve the phenomena of weakness of the spleen and stomach, lack of food, fatigue and indigestion.

3. Enhance immunity

Yam contains a lot of amino acids. Regular consumption of yam can supplement a lot of amino acids for the body, which greatly promotes the synthesis of various protein and proteases in the body, and can enhance human immunity and prevent diseases. In addition, yam also has a lot of mucilage, which has the functions of moistening the lungs and intestines. If it is eaten in autumn and winter, it can prevent respiratory diseases and moisten the lungs and intestines.

4. Lowering blood sugar

Yam contains mucin, which has the function of lowering blood sugar. After eating it, its glycemic index (GI) is 51, which is a low glycemic index food. Therefore, diabetic patients can often eat yam, especially steamed yam instead of some staple foods, which can effectively alleviate the blood sugar value in the body.

5. Lose weight

Yam is a kind of delicious food with high nutrition and low calorie. The calorie in every 1g of edible yam is only 56 kilocalories, and it is also rich in dietary fiber. After eating it, it not only has the effects of promoting intestinal peristalsis and preventing constipation, but also has the effects of prolonging satiety time and reducing food intake. Therefore, it is helpful for obese people to lose weight and maintain a good figure by eating yam regularly.

6. Prevention of cardiovascular diseases

The yam soap in yam can accelerate the metabolism of cholesterol in the human body. For people with high cholesterol, eating yam often can protect the cardiovascular system, and yam can also effectively prevent blood lipids from depositing on the blood vessel wall. Steamed yam can often prevent cardiovascular diseases in healthy people.

7. Yiqi Bushen

Yam is classified as a kind of Chinese medicine for invigorating qi in traditional Chinese medicine. It has a sweet taste, enters the lung meridian, can replenish lung qi and benefit lung yin, and at the same time enters the kidney meridian, can tonify kidney and fix sperm. It can be used equally with Alpinia oxyphylla and Lindera, and can be used for the symptoms of kidney deficiency and frequent urination. Therefore, it is beneficial to both men and women to insist on eating steamed yam for a long time.