Watermelon is a fruit that we are very familiar with in the summer. Watermelon tastes sweet and juicy. Eating watermelon regularly is good for cooling down and promoting diuresis. Due to its large size, watermelon is often sold after being cut. When we buy watermelons, we store them in the refrigerator. It is best to eat the cut watermelon within 24 hours. How long can a cut watermelon be kept in the refrigerator? It is best not to keep the cut watermelon in the refrigerator for more than 12 hours, and no longer than 24 hours. In addition, it should be noted that when cutting watermelon, you must clean the watermelon, knife and cutting board in advance. The watermelon is best eaten immediately after cutting. If you cannot finish it, cover it with plastic wrap and refrigerate it as soon as possible. In addition, when you take the watermelon out of the refrigerator to eat, you can first cut off about 1 cm of the surface, don't be afraid of wasting it! If you put the cut watermelon in the refrigerator, bacteria will still grow on its surface. Some experts explained that this is because the watermelon will be contaminated with bacteria during the process of being cut, and refrigeration can only inhibit the reproduction of bacteria but cannot freeze the bacteria to death. In addition, watermelon is rich in glucose, fructose and other nutrients, which provide the necessary raw materials for the growth and reproduction of bacteria. These bacteria often cause food poisoning, diarrhea, etc. To eat watermelon healthily in summer, you should pay more attention to the storage time. Can I use plastic wrap on cut watermelon? Bacterial culture experiments showed that watermelons covered with plastic wrap actually bred more bacteria. When a cut watermelon "breathes", it releases carbon dioxide. Once it is "held" by the plastic wrap, it will promote the growth of some anaerobic bacteria in the food. Why can't you eat watermelon? It is not suitable to eat in the early stage of a cold Traditional Chinese medicine believes that no matter it is a wind-cold cold or a wind-heat cold, its early stages are all external symptoms and should be treated with a dispersing treatment method that allows the pathogenic factors to be eliminated from the surface. It is also believed that attacking the cold before the exterior is resolved will aggravate the condition, and watermelon has the effect of clearing heat, so eating watermelon at this time will aggravate the cold or prolong the course of the disease. Can't eat right after exercise Eating watermelon immediately after exercise, especially chilled watermelon, can replenish lost water, but it can easily irritate the digestive tract and damage gastrointestinal health. Do not eat before or after meals Because the large amount of water in watermelon will dilute the digestive juices in the stomach, eating it before or after meals will affect the digestion and absorption of food. Moreover, eating a large amount of watermelon before meals will take up stomach volume, which greatly reduces the intake of multiple nutrients during the meal, especially for the health of children, pregnant women and nursing mothers. |
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