What are the benefits of eating sweet potatoes? Which is better, purple potato or purple potato? Let's see what the dietitian says!

Sweet potato, also known as sweet potato, etc., is a relatively common vegetable. It is deeply loved by people because of its edible leaves and fruits, and its effects of protecting the heart, losing weight and fighting cancer. What are the benefits of eating sweet potatoes? Which is better, purple potato or purple potato? Let's see what the dietitian says!

What are the benefits of eating purple potatoes?

1, anti-aging: purple potato has the effect of anti-oxidation, and the effect is good, often eating purple potato can help improve the skin, regulate endocrine, but also delay aging.

2. Promote digestion: purple potato contains a lot of cellulose, which helps to clean up the waste in the intestines, promote gastrointestinal peristalsis and help defecation. People with constipation can eat a little purple potato, which can make the stool more unobstructed and prevent some digestive tract diseases.

3. Anti-cancer and blood-tonifying: purple potato is rich in iron and selenium, iron helps the body tonify blood, while selenium has certain anti-fatigue and anti-cancer effects. Selenium can not only help remove free radicals in the human body, but also inhibit the formation, division and growth of cancer cells, which has a certain effect on anti-cancer.

4. Protect the liver and reduce fire: purple potato is also good for the liver and has the effect of lowering liver fire. if men who usually like tobacco and alcohol and have an impatient personality, they can eat some purple potatoes, which are beneficial to their health.

What are the advantages of eating sweet potatoes?

1. Lose weight: the fat content in sweet potatoes is very low, and eating them will increase the sense of satiety. Using sweet potatoes as a staple food can help reduce other food intake. And sweet potatoes will also increase defecation, which helps to lose weight.

2. Stable blood pressure: sweet potatoes are rich in potassium, which can help reduce the risk of stroke and high blood pressure. People with high blood pressure can eat some sweet potatoes, which is helpful to stabilize blood pressure.

3, good for the heart: sweet potatoes contain a variety of ingredients, which can help prevent cardiovascular and cerebrovascular diseases, such as carotene, folic acid, vitamin B6 and vitamin C, which are good for maintaining heart function and preventing arteriosclerosis.

4. Control blood sugar: the sugar content in sweet potato is low, especially white-skinned sweet potato has certain anti-diabetic effect. One study showed that patients with type 2 diabetes who took the extract of white-skinned sweet potatoes improved their insulin sensitivity and helped control blood sugar.

Which is better, sweet potato or purple potato?

In terms of nutritional value, purple potato should be slightly better, because purple potato contains "anthocyanins" that are not found in sweet potatoes, which have anti-aging effects and can fight against free radicals. And free radicals are one of the main culprits leading to oxidative damage of human cells. In addition, there is not as much selenium in sweet potato as purple potato, and purple potato can help the body enhance immunity more than sweet potato, so purple potato may have better anti-cancer effect.

In addition, most of the nutrients contained in sweet potatoes can also be found in purple potatoes, so the various effects of sweet potatoes are also available. However, we should still pay attention to the eating method, whether it is purple potato or sweet potato. For example, it is best not to eat too much and eat raw, it is easy not to digest or produce the feeling of abdominal distension and nausea. In addition, purple potatoes may contain some allergenic ingredients, people who are prone to allergies should be vigilant.

What's the difference between purple potato and sweet potato?

1. Taste

Sweet potato: the sweet taste of sweet potato is lighter than that of purple potato. The water content of sweet potato is higher and its taste is thinner after steaming.

Purple potato: purple potato tastes sweeter, tastes better than sweet potato, and tastes better.

2. Nutrition

Sweet potato: sweet potato has higher starch content, higher vitamin An and carotene content, and less cellulose content than purple potato, which is only 0.1% lower.

Purple potato: purple potato has higher contents of trace elements selenium, zinc, potassium and iron, but also contains anthocyanins that do not exist in sweet potato, and the starch is lower than that of sweet potato.

3. Efficacy

Sweet potato: sweet potato is more inclined to defecate and moisturize the intestines and protect the eyes.

Purple potato: purple potato is more inclined to supplement trace elements, selenium and so on, and it also has the antioxidant effect of anthocyanins.

4. Growth

Sweet potato: sweet potato has strong resistance, so it is less difficult to grow and easier to grow.

Purple potato: purple potato has certain requirements for soil, the soil needs a certain content of selenium, and it is more difficult to grow.

5. Price

Sweet potato: the yield of sweet potato is high, and the planting difficulty is low, so the price is cheaper.

Purple potato: purple potato has a demand for production conditions, and the output is relatively low, so the price of purple potato is higher.