The most popular snack in the streets and alleys nowadays is the fragrant roasted sweet potato. I can’t help but drool when I pass by. In fact, speaking of it, sweet potatoes are not only delicious, but also very nutritious. They are known as the "Top Ten Best Vegetable Champions", but the time to eat them is very particular...

Sweet potatoes are rich in protein, starch, fruit It contains more than 10 kinds of trace elements such as gum, amino acids, dietary fiber, carotene, vitamins A, B, C, E, calcium, potassium, and iron. It is the champion of the "Top Ten Best Vegetables" selected by the World Health Organization. Nutritionists also praise sweet potatoes as "the most nutritionally balanced food." In addition to its weight loss and anti-cancer effects, sweet potatoes can also effectively prevent bone calcium loss.

In addition to calcium, sweet potatoes also contain large amounts of potassium and magnesium. These two substances can maintain the ion balance in the body and slow down the loss of calcium due to age. In addition, the calories of sweet potatoes are only 1/3 of the same weight of rice, and they contain almost no fat and cholesterol. At the same time, they can effectively prevent sugar from turning into fat, which is beneficial to weight control. In addition, sweet potatoes contain a large amount of dietary fiber, which can effectively stimulate intestinal peristalsis and secretion of digestive juices, reducing the incidence of intestinal diseases.

When should sweet potatoes be eaten?

Sweet potatoes lack protein and lipids, so they should be eaten with vegetables, fruits and protein foods to avoid nutritional imbalance.

Most importantly, sweet potatoes are best eaten during the prime time of lunch. This is because after we eat sweet potatoes, the calcium contained in them needs to be absorbed by the human body within 4 to 5 hours, and sunlight exposure in the afternoon can promote the absorption of calcium. In this case, if you eat sweet potatoes for lunch, all the calcium can be absorbed before dinner and will not affect the absorption of calcium from other foods at dinner.