What is the difference between purple sweet potato and sweet potato

Purple sweet potatoes and sweet potatoes are both common potato ingredients in life. They have the same appearance and shape, and are eaten in similar ways. Many people treat them as the same ingredient. In fact, there are some important differences between purple sweet potatoes and sweet potatoes. I will write down these differences later. Friends who like to eat purple sweet potatoes and sweet potatoes can take a careful look at them. After reading them, you will definitely have a new understanding of them.

What is the difference between purple sweet potato and sweet potato

1. Purple potatoes and sweet potatoes are different in color

Purple sweet potatoes and sweet potatoes have different colors, which is the biggest difference between the two. In fact, to be precise, purple sweet potatoes should be considered a type of sweet potato, but the selenium content in this type of sweet potato is particularly high, which makes its color turn purple. Selenium is a natural antioxidant, and its presence makes the anti-aging effect of purple sweet potatoes much higher than that of sweet potatoes.

2. Purple sweet potatoes are high in anthocyanins

Purple sweet potatoes contain a large amount of anthocyanins, which sweet potatoes cannot compare with. Natural anthocyanins are also an antioxidant ingredient, which has a significant protective effect on human blood vessels, can increase blood vessel elasticity, purify blood and accelerate blood circulation. Therefore, purple sweet potatoes can inhibit the occurrence of cardiovascular and cerebrovascular diseases, while sweet potatoes do not have this effect.

3. The nutritional value of purple sweet potatoes is higher than that of sweet potatoes

The nutritional value of purple sweet potatoes is much higher than that of sweet potatoes, which is also an important difference between the two. The content of lysine, copper, zinc and other nutrients in purple sweet potatoes is higher than that in ordinary sweet potatoes, which is three to eight times the content of these nutrients in sweet potatoes. After people eat them, they can quickly meet the body's needs for these nutrients and speed up the body's normal metabolism, while eating sweet potatoes cannot achieve this effect.