Post Date December, 03 2023
Xiao Zha is a patient with nephritis. He heard from the doctor that potatoes have low protein content and high calories. When they were eaten as a staple food, he planned to buy some sweet potatoes as a staple food. However, he encountered difficulties when shopping in the supermarket. Is it better to buy sweet potatoes or purple potatoes?
Here is a conclusion: Purple and sweet potatoes are both good staple foods for kidney friends, but compared to sweet potatoes, they are better. The specific reasons will be discussed below.
◆ Purple potato antioxidant, sweet potato versatile hand
Sweet potatoes and purple potatoes are both a type of sweet potato, belonging to the family Convolvulaceae. Sweet potatoes are a vine growing herbaceous food, and we usually eat the root tubers of this plant.
Sweet potatoes and purple potatoes not only differ in color, but also in nutritional composition.
Purple Potato
The most prominent feature of purple potatoes is that they contain a large amount of anthocyanins. Anthocyanins not only make purple potatoes appear bright purple, but they are also an antioxidant that can replace the oxidation of cells and tissues in the body, and have the effects of delaying aging and maintaining body health. Anthocyanins can eliminate free radicals, and the fewer free radicals, the slower a person ages. In addition, anthocyanins can also improve the composition of gut microbiota, which is beneficial for human health; Research has found that anthocyanins can also protect nerves and make people smarter; Moreover, anthocyanins have a promoting effect on retinal pigment epithelial cells and are also helpful in protecting vision.
Sweet potato
The vitamin C content of sweet potatoes is nearly three times higher than that of purple potatoes, and compared to other fruits and vegetables, the vitamin C in sweet potatoes has the characteristics of heat resistance, water resistance, less loss during processing, and stronger activity. Sweet potatoes also contain abundant β- Carotenoids, β- In addition to being beneficial for protecting vision, carotene is also an antioxidant that has the effect of preventing cancer and enhancing the body's immune system.
Compared with purple potatoes, sweet potatoes have lower protein content and higher calories, making them more suitable for kidney friends
When we go to the hospital, the doctor dietitian always tells us that we should have a high-quality low protein diet and try to reduce the intake of non high-quality protein. Why did you do this?
Because the metabolic waste of protein needs to be metabolized by the kidneys, kidney friends need to limit protein intake to reduce the workload of the kidneys. Protein is divided into good protein and bad protein. In plants, except for soy protein, all other proteins are bad. The human body has low absorption and utilization rates, and excretes a lot of metabolic waste.
At the same time, high-quality low protein diet also requires that everyone eat enough calories. Just like mobile phones can't be powered on without electricity, people need to eat enough calories to ensure their body needs. The main source of human body heat is staple food. Traditional staple food (such as rice, noodles, Mantou, etc.) has a high content of non high-quality protein, so we need to find some high calories in order to simultaneously limit protein and sufficient calories, A staple food with low protein content.
If we choose our staple food based on high-quality and low protein standards, the winner will definitely be sweet potatoes. Compared to purple potatoes, sweet potatoes not only have lower protein content but also have significantly higher calories, making them more suitable for kidney friends to serve as a staple food.
When choosing staple foods, focus on energy and protein content
The main purpose of eating staple foods is to replenish sufficient calories so that the body can work normally. Therefore, when choosing staple foods, the two most important points we need to pay attention to are energy and protein. Our kidney babies prefer staple foods with higher energy and lower protein. If you still don't know which staple foods are more suitable for you, kidney friends can click on the following article to see what low protein staple foods are all about.
