1. Keep the cold salad in the refrigerator overnight and cannot eat it.

2. It is not recommended to eat cold vegetables after being stored in the refrigerator overnight, otherwise it may cause physical discomfort, such as abdominal pain, diarrhea, etc., and even endanger your health. Cold dishes are usually not heated at high temperatures, which can avoid the loss of nutrients in the dishes to a large extent. At the same time, they taste crisp, tender and refreshing when eaten, making them the first choice for appetizers in life.

3. Most cold dishes are raw food, and some of the bacteria on the dishes have not been killed by high temperature. If left for too long, bacteria will multiply. After consumption, it may cause gastrointestinal flora disorder, causing diarrhea, abdominal pain, bloating and other uncomfortable symptoms. At the same time, the nitrate in overnight cold dishes can be converted into nitrite under the action of bacteria. Long-term consumption of overnight cold dishes may cause chronic nitrite poisoning and seriously endanger your health. Although the seasonings added to cold dishes, such as garlic paste, vinegar, lemon juice, etc., can inhibit bacterial growth and reduce nitrite content to a certain extent, it is not recommended to eat them overnight.

4. It is recommended that cold vegetables be mixed and eaten immediately, and the vegetables should be washed before mixing. If necessary, it is recommended to blanch it with water before mixing, which can reduce bacterial growth to a certain extent.