Can crayfish be eaten overnight?

Can crayfish stay overnight?

Crayfish can not be eaten in the refrigerator overnight. Generally, the refrigerating temperature is -1°C~8°C, and the cold storage stored at this temperature is often referred to as a high-temperature cold storage. By reducing the biochemical reaction rate and the rate of change caused by microorganisms, refrigeration can extend the shelf life of fresh foods and processed products. For most foods, refrigeration does not prevent food spoilage as canned, dehydrated or frozen, but it can only slow down the deterioration of food, so it is actually a relatively weak preservation technique. However, not all foods can increase shelf life under refrigeration conditions. For example, some tropical and subtropical fruits and some vegetables may be chilled if they are stored within 3~10°C above their freezing point, and bread is aged at low temperatures. accelerate.

Can crayfish eat overnight?

It is best not to eat crayfish overnight. Seafood foods, of course, have to be eaten freshly before they are nutritious and have their delicious taste. After many nights of storage, many bacteria will be eaten and it will be diarrhea. According to the information, it is best that the seafood is used up when the meal is used. It cannot exceed 6 hours.

Crawfish eat overnight to ensure that the conditions are: not bad, not bad; must be reheated, and the heating should be sufficient; to maintain its savory, you need to keep fresh, but you can not freeze.

Seven dishes must not be eaten overnight

1, vegetables can not be eaten overnight:

The vegetables on the day are best eaten on the same day. Do not eat until the next day. There is no "hue" of super, and these overnight green leafy vegetables not only lack nutrition, but also produce nitrite that is pathogenic. Although placed in the refrigerator, the nitrite content will decrease, but over time, the nitrite content will still increase. Different vegetables under the same storage conditions, the nitrite production of stem and leaf vegetables was the highest, the melon vegetables were slightly lower, and the roots and stems and cauliflowers were in the middle. Therefore, if you buy vegetables for home storage, you should eat stems and leaves, such as spinach, cabbage and so on.

2, seafood can not be eaten overnight:

After overnight seafood is prone to protein degradation products, there will be some damage to liver and kidney function. Therefore, it is recommended that seafood be picked as fresh as possible and be thrown into the pan as soon as possible after being bought from a seafood supermarket!

3, half an egg can not eat overnight:

Nowadays, many people like to eat half-baked eggs. They think that semi-liquid eggs that are not completely cooked will not destroy their nutritive ingredients. However, raw eggs contain many bacteria and viruses. In fact, mature and half-baked eggs will not be too nutritious. Much difference. Also, the half-lived eggs are particularly prone to bacteria after overnight, causing gastrointestinal discomfort and flatulence.

Some people say that tea eggs aren't cooked the first time. Can they be sold overnight? However, the tea leaves are boiled twice during the cooking process and cooked first, then the eggshell is broken and the tea and other accessories are cooked. If it is a well-proven egg, it can be stored properly with a low-temperature seal, and it can be eaten overnight.

4, overnight boiling water can not drink:

Hot water with a residence time of more than 24 hours or boiled water with long boiling time will obviously increase the nitrite content. According to scientists, tap water boils for 3 to 5 minutes, and the content of harmful ingredients such as nitrite and chloride is the lowest, which is most suitable for people to drink. When the boiling water is left for 24 hours, the nitrite content is just 1.3 times when it is boiled. Times. Therefore, the healthiest drinking habit is to drink only fresh water or boiled water on the same day. Do not drink boiled water that is overnight or boiled for too long.

Of course, overnight tea can not be drunk, because the time is too long, a lot of vitamins are lost, and the protein and sugar in the tea will become the nutrients for bacteria and mold breeding, so the overnight tea can not drink.

5, lol dishes can not be eaten overnight:

Many people bought the lo mei and the cold dish that they had bought for the first time. They liked to eat it in the refrigerator the next day, but this practice has a great potential safety hazard. In the course of processing, salad dishes are inevitably subjected to certain pollution. Even if they are refrigerated, they may have deteriorated after the night. Therefore, these stewed vegetables and cold dishes should be eaten as they are. This is not only for consideration of taste, but also For health considerations.

6, Tremella soup can not drink overnight:

In theory, all foods with high nutritional value should not be eaten overnight, and the reduction in nutrient content will not be said, and it will easily become a breeding ground for bacteria. The same is true for Tremella Soup. Both the white fungus cultivated indoors and the white fungus cultivated in the wild contain a lot of nitrates. After cooking, the nitrates are reduced to nitrite after bacteria are decomposed. If you drink on the same day, nitrous acid can naturally enter the blood circulation. There is hemoglobin in the red blood cells in the blood, which can carry a large amount of oxygen for the body to need. However, overnight white fungus will cause nitrous acid to counteract, making the normal hemoglobin in the human body oxidize to methemoglobin, losing the ability to carry oxygen and causing the body to lack normal hematopoietic function.

7, overnight soup should pay attention to save:

Southerners like to drink soup. Especially Cantonese, Ai Tang is famous. It's not a bad idea to put unfinished soup in the refrigerator and boil it again the next day, and you can cook delicious noodles with the carefully broiled soup. However, we must pay attention to cheese, overnight soup should pay attention to preservation methods. First of all, when Tang Gang is doing well, use clean, uncontaminated spoons and then add seasonings. If you can’t finish drinking, you should choose to use a jar, glass, or ceramic ware to ride in the refrigerator. In particular, you must not use aluminum pans and stainless steel pans. Otherwise, chemical reactions are likely to occur, which is detrimental to your health.

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