Nutritional value of yam

It is said that yam can aid digestion, so many children, the elderly and pregnant women find it good to eat it. Let us learn more about it.

Yam Introduction

The dried tuber of Dioscorea zingiberensis, a perennial climbing herb of the Dioscoreaceae family.

The cultivated ones are called domestic yam, and the wild ones are called wild yam; the Chinese medicinal material is called Huaishan, Huai yam, Huai yam, etc.

Because of its rich nutrition, it has been regarded as a good inexpensive tonic since ancient times. It can be used as a staple food, a vegetable, and can also be made into snacks such as candied haws.

my country mainly produces in Boai, Qinyang, Wuzhi, Wenxian and other places in Henan Province, and is also cultivated in Hebei, Shanxi, Shandong, Central South, Southwest and other regions. Dig it up after the stems and leaves wither in winter, cut off the root head, wash it and dry it.

There are two main types of yam cultivated in China: common yam and field yam. Common yam has smaller tubers, among which the "foot yam" from Sichuan and other places, the Huai yam from Huai County, Shanxi, and the Huai yam from Jianghan Nancheng are the most famous.

Nutritional value of yam

1. Strengthen the spleen and stomach, aid digestion:

Yam contains amylase, polyphenol oxidase and other substances, which are beneficial to the digestion and absorption function of the spleen and stomach. It is a food and medicine product that can nourish the spleen and stomach. It can be eaten regardless of spleen yang deficiency or stomach yin deficiency. It is often used in clinical treatment of spleen and stomach weakness, poor appetite, fatigue, diarrhea and other symptoms;

2. Nourishes the kidney and improves essence:

Chinese yam contains a variety of nutrients, which can strengthen the body, nourish the kidney and improve the essence. It can be taken for kidney deficiency, spermatorrhea, excessive vaginal discharge, frequent urination and other symptoms.

3. Benefit the lungs and relieve cough:

Yam contains saponin and mucus, which has lubricating and moisturizing effects, so it can benefit the lung qi, nourish the lung yin, and treat lung deficiency, phlegm, cough and chronic cough.

4. Lowers blood sugar:

Yam contains mucin, which has the effect of lowering blood sugar and can be used to treat diabetes. It is a good food therapy for diabetics.

5. Prolong life:

Chinese yam contains a large amount of mucus protein, vitamins and trace elements, which can effectively prevent the precipitation of blood lipids in the blood vessel walls, prevent cardiovascular diseases, and achieve the effects of improving the mind, calming the nerves, and prolonging life.

6. Anti-hepatic coma

Recent studies have found that yam has a sedative effect and can be used to prevent hepatic coma.

Effects of eating yam

Yam is sweet and neutral in nature, and enters the lung, spleen, and kidney meridians;

It is neither dry nor greasy, and can strengthen the spleen and lungs, benefit the stomach and kidneys, consolidate the kidneys and benefit the essence, improve hearing and eyesight, help the five internal organs, strengthen the muscles and bones, improve will and calm the mind, and prolong life.

It is mainly used to treat spleen and stomach weakness, fatigue, loss of appetite, long-term diarrhea and dysentery, lung qi deficiency and dryness, phlegm, asthma and cough, kidney qi deficiency, soreness of waist and knees, weakness of lower limbs, thirst and frequent urination, spermatorrhea and premature ejaculation, leucorrhea, red and swollen skin, obesity and other symptoms.