Due to the improvement of living standards, everyone has also greatly enriched their food mix. All kinds of foods happen around us, and many of them are often contacted before, but the types are different, so we must re-recognize them. However, some foods are completely unfamiliar to you, shipped or introduced from far away, and are unfamiliar to you. Seeing this kind of food is actually worth a try. After all, more food can be used, and more seasonings can be used, which is also conducive to the balance of nutrition. Eating it can tighten the skin and is good for the eyes.

The first is the color tone, and the most direct difference is the color tone, which most people can directly distinguish from. The skin of sweet potato is light yellow, the fleshy land is generally milky white, and some sweet potatoes are mottled with dark brown; Sweet potato is light yellow or deep red, showing temptation, whether it is epidermis or fleshy land, it seems that it feels very appetizing; Purple sweet potatoes are generally dark purple, and there will continue to be a lot of juice inside after being cut.

Tone is the second, and the difference of nutrients is the key. Although they all belong to sweet potatoes, there are great differences in very important nutritional components. Everyone usually eats very few sweet potatoes. The root cause is that there is a lot of flour in sweet potato, which is very hard to eat and there is nothing sweet. Some are like potatoes, but it is ok to eat sweet potatoes for dinner, which can produce basic nutrition for the body and maintain the requirements of daily exercise. Eating sweet potatoes has obvious satiety. Therefore, eating sweet potatoes is beneficial to lose weight and reduce the intake of other ingredients. Sweet potato has a high sugar content and tastes sweeter, so it is deeply loved by us. After being metabolized by human body, the carrot compound in sweet potato has a good maintenance effect on eyes, and also contains a variety of antioxidant components and nutrient elements, which is beneficial to ordinary people.

Among these three kinds of sweet potatoes, purple sweet potato is particularly valued. Usually, people don't eat much. Purple sweet potato is more expensive Basically, it is the raw materials and food in some high-end restaurants or snacks. At this stage, many senior nutritionists strongly recommend purple potato. Purple sweet potato has low starch content and high protein content. At the same time, it contains a variety of flavonoid chemicals, especially proanthocyanidins. It has strong antioxidant capacity and can slow down the aging and decline of human cells. What is the difference? Eating it can tighten the skin and is good for the eyes. Sweet potato, sweet potato and purple potato are all common sweet potatoes. Generally speaking, the taste of sweet potato is more suitable for everyone's taste, and purple sweet potato has the largest nutritional content, which is helpful for eyes, firming skin and delaying aging.