Cold dishes are something that many people like to eat. Cold dishes are generally appetizing, and general cold dishes have a strong taste. Many people may like them no matter what time they are, and cold dishes are There are many types of cold dishes, but many people don’t know how long the cold dishes can be kept. How long can the cold dishes be kept? How long can cold salad be kept?
1. How long can cold dishes be stored
The weather is hot in summer and bacteria multiply quickly. The storage time of cold dishes varies depending on the type and recipe of cold dishes; generally speaking, the storage of vegetables Time and temperature are inversely proportional.
1. Braised cold vegetables can generally be kept for the longest time if they are not contaminated, and can be kept for 6 hours.
2. Vegetable salads: All vegetable salads, such as cucumbers and tomatoes, are generally safe to be placed within 2 hours.
3. Cold dishes that have been sterilized and cooked, and cold dishes with garlic, ginger, vinegar and other ingredients that have a certain bactericidal effect can be stored for about 4 hours.
2. Can cold dishes be eaten overnight?
It is best not to eat cold dishes overnight. Cold dishes are just a few condiments mixed with ingredients. Most of them have not been pasteurized by high temperature and should be eaten overnight. Eat, first of all, the bacterial growth is large, and eating it is not good for the stomach. Secondly, overnight dishes are short-term pickles. This kind of "pickled vegetables" does not pickle for a long time. Eat them overnight or leave them for a few days before eating. It will produce a large amount of nitrite. Generally speaking, the nitrite content of pickled food increases the fastest in the first 7 days. Therefore, it is best not to eat cold dishes overnight. Make them in moderation. It is best to eat them freshly. .
3. Can cold dishes be stored in the refrigerator?
Many people like to refrigerate cold dishes for a period of time before eating them. The coldness makes the dishes taste more delicious, and some people even Putting it in the refrigerator for a long time and eating it many times is actually extremely unhygienic. Although most germs are halophilic bacteria and like to grow in warm conditions of 20℃~30℃, studies have found that in the refrigerator It will contain Listeria, which can multiply at the temperature of the refrigerator compartment; it can also cause intestinal diseases very similar to those caused by Salmonella, accompanied by pain similar to appendicitis, arthritis and other diseases, so it is cold Don’t keep the dish in the refrigerator for too long.
4. Precautions for eating cold dishes
1. The vegetables, fruits and other ingredients used to make cold dishes must be fresh. Rotten and spoiled ingredients are strictly prohibited; and the ingredients must be strictly To clean it, it is best to wash it with cold water first, and then scald it with boiling water to kill pathogenic bacteria and parasite eggs.
2. It is not advisable to add chicken essence when making cold dishes. Chicken essence will only have the effect of improving freshness at 80~100℃. The temperature of cold dishes is low and MSG cannot be fully dissolved. Not only cannot it improve the freshness, but it will also cause particles to form. It adheres to the surface of food and affects the taste.
3. Knives, chopping boards, dishes, etc. used for making cold dishes must be scalded and washed with boiling water before use, and can only be used after sterilization.
5. Warm reminder
Every summer, the number of patients with infectious diarrhea such as enteritis and dysentery increases significantly. This is due to improper preparation of cold dishes or eating food that has been stored for too long. Coleslaw has a lot to do with it.
Some people think that putting cold vegetables in the refrigerator can extend the shelf life, but in fact, low temperature can only inhibit the life activities of some bacteria, thereby delaying the time of food deterioration, and cannot directly kill bacteria. Moreover, some bacteria particularly like this low-temperature environment.