Nutritional value of white sweet potatoes

The nutritional value of white sweet potato can be said to be very rich. Let me give you a detailed introduction below.

White sweet potato

White sweet potato also known as foreign sweet potato

Scientific name: Yam

Other names: sweet potato, yam, sand potato, foreign sweet potato, etc. It is also called ground pear in Sichuan.

It is similar in shape and size to sweet potato, with a light yellow to white skin and very white flesh. The texture of the flesh looks a bit like sweet potato, but it tastes sweeter than sweet potato, is crispy, delicious and juicy. It can quench thirst and can also be eaten raw as fruit.

Nutritional value of white sweet potato

Sweet potato, also known as sweet potato, not only has high nutritional value, but also has high medicinal value.

According to Chinese medicine, sweet potatoes are sweet and mild in nature, non-toxic, and have the effects of nourishing the spleen and stomach, nourishing the mind, improving strength, promoting lactation, and eliminating sores and swelling. Sweet potatoes are rich in vitamin A and can cure night blindness. The Compendium of Materia Medica written by Li Shizhen records that sweet potatoes can replenish deficiency, improve strength, strengthen the spleen and stomach, and strengthen kidney yin. In Japan, nutritionists have found that sweet potatoes contain sufficient mucin (a mixture of polysaccharides and proteins), which can prevent cardiovascular disease and atherosclerosis, reduce the occurrence of hypertension and obesity, and prevent atrophy of connective tissues such as the liver and kidneys, lubricate the respiratory and digestive tracts, and reduce inflammation and cancer.

At the same time, American scientists have found that there is a chemical substance called dehydroepiandrosterone in sweet potatoes, which can prevent colon cancer and breast cancer, and contains a kind of estrogen, which has a good effect in delaying aging. The high content of cellulose in sweet potatoes can prevent constipation. These celluloses are also easy to combine with unsaturated fatty acids, which helps prevent the formation of cholesterol in the blood and prevent the occurrence of coronary heart disease.

Nutritional value of white sweet potato

White sweet potato contains unique vitamin K. People regard it as a special health-preserving food. It is an indispensable gift from heaven for modern people. It is rich in nutrition, containing vitamin VC, B carotene, protein, iron, zinc, potassium, magnesium, phosphorus and other rare elements necessary for the human body. Every 100 grams contains up to 86.5% calcium. "Green" and "high calcium" are its advantages and characteristics.

Yam is rich in starch and sugar and can be used as a side dish. It is tender and crispy like water chestnuts. In addition to being eaten raw, it can also be fried, boiled, pickled, and other methods.

The main producing areas are several southern provinces, with Sichuan and Hunan producing the most. Locals call it liangshu.

Although yam is delicious, not everyone can eat it.

It is recorded in Compendium of Materia Medica:

【Nature and flavor】Cool in nature, sweet in taste.

[return through meridians] Returns to the stomach meridian.

[Effects] It can quench thirst, detoxify alcohol, and lower blood pressure.