What are the benefits of purple sweet potato? What are the effects of purple potatoes

Purple sweet potato, also known as sweet potato, sweet potato, sweet potato, is native to Central America, and is at the top of the list of best vegetables in the list of best foods confirmed by the World Health Organization. Because the color of sweet potatoes is violet, so it is called purple sweet potato, purple sweet potato is rich in trace elements, such as iron, phosphorus, calcium, zinc, etc., especially the content of selenium is higher, and the root of sweet potato is both vitamin"Bonanza", and an anti-cancer expert.

Nutritional value: Purple sweet potato is a kind of sweet potato, and the biggest difference between it and other sweet potatoes is that the heart is purple, and there is a special violet in it. It is not toxic to people and animals, and is usually common in Guangdong, making it a delicious food.

Sweet potato purple heart sweet potato type is more beautiful, delicate flesh, contains 9 kinds of amino acids and carotene, can supplement the lack of human nutrition, and the medicinal function is also good; It contains purple pigment, chlorogenic acid, a variety of vitamins, selenium, iodine, copper, iron, zinc and other mineral trace elements than ordinary sweet potatoes, some trace elements are even several times that of ordinary sweet potatoes; It is also the main raw material for food processing, and can be used to make various colored foods and various beverages. However, the purple sweet potato has thin skin, easy to rub the skin of the potato, and is not cold-tolerant in winter.

Efficacy and function.

Protect the stomach and intestines.

Purple sweet potato is a common vegetable, rich in protein, starch, pectin, cellulose, amino acids, vitamins and a variety of minerals, as well as selenium and anthocyanins. Purple sweet potato has the effect of protecting the stomach and intestines.

1. Protect the stomach and intestines: Purple potatoes are rich in cellulose, which can increase the volume of feces, promote gastrointestinal peristalsis, clean up the mucus, gas and putrefaction retained in the intestinal lumen, keep the stool smooth, improve the digestive tract environment, and assist in alleviating gastrointestinal diseases.

2. ****: The fat content of fresh purple potatoes is very low, and the heat energy produced is less than half of the same weight of rice, which is a good low-fat and low-calorie food, and at the same time can effectively prevent sugars from becoming fat, which is conducive to ****.

Precautions. Suitable for.

Patients with cardiovascular disease, liver disease.

Contraindicated. Patients with gastric ulcers, dampness obstruction of the spleen and stomach, and food accumulation.

It is not advisable to eat together. Persimmons, tomatoes.

Purple potatoes should not be eaten with persimmons, because purple potatoes will lead to increased gastric acid secretion, and persimmons contain more tannin and other substances will react with gastric acid to produce precipitates, light people may feel gastrointestinal discomfort, serious may cause gastrointestinal bleeding, gastric ulcers, etc., so people with gastrointestinal weakness or poor digestion should avoid eating purple potatoes and persimmons together. Purple potatoes should not be eaten with tomatoes, because tomatoes contain a large amount of malic acid, citric acid and other acidic substances, which can easily make purple potatoes form substances in the stomach that are not easy to be digested and absorbed.

Purple sweet potato is a cereal potato food, the main nutrient is starch, mainly provides carbohydrates, is an energy substance, and has less protein and fat content, so the glycemic index is low, which can replace some staple foods of diabetic and hyperlipidemia patients. Zhang Yali: Purple sweet potato is a cereal potato food in our food classification, and its main nutrient is its high starch content, so it mainly provides carbohydrates, which is an energy substance in our body.

However, because it contains less protein and fat, and more dietary fiber, it has a lower glycemic index than white rice and white noodles. Therefore, for patients with hyperlipidemia or diabetes, it can be used to replace the staple food of some people in front of the stool.

There are many effects of purple potatoes, and there are many benefits to human health, today I will introduce to you those effects and functions of purple potatoes, hurry up and take a look!

01 Improve vision problems.

Especially for the elderly, it is easy to have presbyopia and other conditions, so you can eat some purple potatoes appropriately, and the vitamin A in purple potatoes can improve vision problems.

02 Prevention of scurvy.

Purple potato stroke contains a variety of nutrients, among which vitamin C can make the normal synthesis of collagen in the human body, so it can play a role in preventing scurvy.

03 Boosts immunity.

The anthocyanin content in purple potatoes is very high, and the effect of anthocyanins is too much, and the effect of improving human immunity is very good.

04 Laxative and intestinal tract.

Purple sweet potatoes have a laxative and moisturizing effect, which is undoubted, and eating some purple potatoes every day can well clean up intestinal toxins and garbage.