On the vegetable shelves of supermarkets, we often see potatoes of various colors: sweet potatoes, purple potatoes, white potatoes, etc. Not only do they come in different colors, but they also differ in taste and nutritional value. So, what's the difference between these three types of potatoes? And how do we choose the right potato for ourselves? This article will answer these questions in detail for you.
Sweet potato, also known as sweet potato and sweet potato, is a common potato in our daily life. It has thin skin and thick flesh, sweet and glutinous taste, and is loved by people. Sweet potatoes are rich in carbohydrates, dietary fiber, carotene, vitamin C, calcium, potassium and other nutrients.
Among them, carotene can be converted into vitamin A in the body, which helps maintain eye health; Dietary fiber helps to promote intestinal peristalsis and prevent constipation.
Purple potato, also known as black potato and purple-hearted sweet potato, is named because its skin and flesh are purple. Purple potatoes are also quite rich in nutritional value, it contains a lot of anthocyanins, dietary fiber, protein, vitamins and other nutrients. Anthocyanins are powerful antioxidants that help remove free radicals in the body and delay aging; Dietary fiber helps to improve the intestinal environment and promote digestion.
White potato, also known as yam potato, white-hearted sweet potato, its flesh is white or light yellow. The nutritional value of sweet potatoes should not be ignored, as it is rich in carbohydrates, proteins, minerals, vitamins and other nutrients. In addition, sweet potato also has medicinal properties such as strengthening the spleen and stomach, nourishing yin and nourishing the kidney, and has a certain auxiliary effect on improving symptoms such as spleen and stomach weakness, lung deficiency and cough.
Although sweet potatoes, purple potatoes, and white potatoes all belong to the potato category, there are certain differences in their taste, color, and nutrients. Sweet potatoes have a sweet and glutinous taste, bright colors, and are rich in vitamin C and carotene; Purple sweet potato has a delicate taste, purple and black color, rich in anthocyanins and dietary fiber; White potatoes have a light taste, a white color, and medicinal value. Therefore, when choosing potatoes, we can choose according to our tastes and needs.
Choose according to the taste: If you like sweet and glutinous taste, you can choose sweet potatoes; If you like a delicate taste, you can choose purple potatoes; If you prefer a light taste, you can opt for white potatoes.
Choose according to nutritional value: If you need vitamin C and carotene supplements, you can choose sweet potatoes; If you need antioxidants and improve the intestinal environment, you can choose purple potatoes; If you need the medicinal value of strengthening the spleen and stomach, nourishing yin and nourishing the kidneys, you can choose sweet potatoes.
Choose according to your personal constitution: For diabetics, the intake of potatoes should be properly controlled, because potatoes are high in starch and sugar. In addition, for people who are prone to fire, purple potatoes can be eaten in moderation, because purple potatoes have the effect of clearing heat and detoxifying.