Watermelon can be eaten overnight in the refrigerator. However, it is best not to put watermelon in the refrigerator for more than 12 hours, and the longest can not exceed 24 hours. In addition, when cutting watermelon, be sure to clean the watermelon, knife and chopping board in advance. Watermelon is best cut and eaten now. If you can't finish eating, put it in the refrigerator for refrigeration as soon as possible. Secondly, when taking out the watermelon from the refrigerator, you can cut off the part about 1 cm on the surface before eating.
When it comes to the hot and high-temperature environment, whether it is a complete half piece or a watermelon cut into small pieces, if there is no protection, there will be many immeasurable bacteria in 6 hours. Therefore, the storage time of cut watermelon shall not exceed 4 hours. If it is not finished, it shall be refrigerated at low temperature as far as possible, and the integrity shall be guaranteed as far as possible.
It's best to put the watermelon in the lowest layer of the refrigerator. The temperature here is about 8-10 degrees Celsius, and this temperature has the best taste. Do not eat more than 500 grams at a time, and eat slowly. In case of tooth decay and cold, people with tooth allergy who will feel acid and pain, as well as those with poor gastrointestinal function should not eat ice watermelon.