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No. It also depends on the location of the insulated box. Outside? Indoors? Indoor should be better. It is generally best eaten in three to five hours. The higher the temperature, the sooner it is necessary to solve the problem. Smell if there is a sour smell before eating, and if there is, don't eat it.
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I don't think it should deteriorate in terms of time, because it's only a few hours.
But if it goes a little longer, it's very likely.
Even if you put it in very hot, it is impossible to kill all the germs, unless you do a treatment, such as scalding the thermos with boiling water first, to make it even. That will take a little longer. Wait a minute.
There are 3 main causes of food spoilage:
1. Microorganisms play a role. Microorganisms are everywhere in the environment, and food is easily contaminated by microorganisms during production, processing, transportation, storage, and marketing. As long as the temperature is right, microorganisms will grow and multiply and break down nutrients in food to meet their own needs.
At this time, the protein in the food is destroyed, and the food will emit a foul and sour taste, lose its original toughness and elasticity, and the color will also change.
2. The role of enzymes. There are many enzymes in animal food, and under the action of enzymes, the nutrients of the food are broken down into a variety of lower products. The rice and fruit rot that we usually see are because the carbohydrates are broken down by enzymes and fermented.
3. Chemical reactions of food. Fats are easily oxidized, resulting in a series of chemical reactions, and the oxidized fats have a strange smell, such as fat meat will turn from white to yellow.
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Some can be some can't.,It's best not to do either.,Leftovers after all.。。。
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It depends on what you bring.
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In summer, the weather is already hot, and the food is easy to be spoiled outside, not to mention stuffy in the insulated bucket, if the meal made in the morning is put in the thermos bucket, the possibility of spoily is a little smaller, even if it is not rancid, it will breed a large number of bacteria. If your meal was made the night before, it will spoil at noon the next day in a warm lunch box, and you can use the following method if you want to bring Chinese food:
1. Cook in the morning, and then take it to the company with an insulated lunch box to wait for noon.
2. The meal cooked the night before should be packed in a regular lunch box and placed in the refrigerator in the refrigerated area, and you can still take it the next day, but it needs to be heated in the microwave before it can be eaten.
3. Put the rice and vegetables into the inner tank of the insulated lunch box, put the inner liner in the refrigerator and freezer, put the inner liner of the meal in the insulated lunch box the next morning, and then put it in the insulated bag, so that after half a day, the frozen meal has not completely melted, and it can be heated and eaten in the microwave oven at noon.
Will it be bad to bring rice in a thermos lunch box in summer What should I pay attention to when using a thermos bucket to bring rice.
Abstract: The insulated lunch box allows many office workers to enjoy a steaming meal at noon, but it should be noted that the weather is hot in summer, and it is likely that the food will deteriorate when using the insulated lunch box, to solve this problem, you can cook in the morning and then bring the meal, or put the food cooked the day before in the refrigerator and refrigerate it in the microwave the next day. It is best to separate the rice and the dish from being separated, and the dish should be thoroughly fried when it is remade, and the heating should be heated to 100 degrees Celsius before eating.
Let's learn about the knowledge of insulated lunch boxes with rice!
In summer, the weather is already hot, and the food is easy to be spoiled outside, not to mention stuffy in the insulated bucket, if the meal made in the morning is put in the thermos bucket, the possibility of spoily is a little smaller, even if it is not rancid, it will breed a large number of bacteria. If your meal was made the night before, it will spoil at noon the next day in a warm lunch box, and you can use the following method if you want to bring Chinese food:
1. Cook in the morning, and then take it to the company with an insulated lunch box to wait for noon.
2. The meal cooked the night before should be packed in a regular lunch box and placed in the refrigerator in the refrigerated area, and you can still take it the next day, but it needs to be heated in the microwave before it can be eaten.
3. Put the rice and vegetables into the inner tank of the insulated lunch box, put the inner liner in the refrigerator and freezer, put the inner liner of the meal in the insulated lunch box the next morning, and then put it in the insulated bag, so that after half a day, the frozen meal has not completely melted, and it can be heated and eaten in the microwave oven at noon.
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Answer, I used to do sales in the shopping mall, every day from home for about five years, from home to bring food to the shopping mall heating, if it is the first night to pack the meal, cool the refrigerator overnight, take it out when you go, take it to work in the shade, open the lid of the box, and then heat it when you eat at noon, if it is done in the morning to take it to work to eat, you should also open the lid of the box, so that the rice will not be closed and not easy to deteriorate.
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It will deteriorate, because the temperature is relatively high in summer, and there are many bacteria in the air, and the insulated lunch box is just conducive to the reproduction of bacteria, so it is easy to deteriorate when you use the insulated box to bring rice, and you can't eat it at noon.
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In summer, the weather is already hot, and the meals are easy to be spoiled outside, not to mention stuffy in the thermos bucket, if the meals made in the morning are put in the thermos bucket, the possibility of rancid is a little smaller, even if it is not rancid, it will breed a large number of bacteria. If your meal was made the night before, it will spoil at noon the next day in a warmed lunch box.
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I think if you have lunch in a summer with an insulated lunch box, and the lunch is refrigerated in the refrigerator the night before, or if the fruit is frozen, then you can leave it in the insulated box at all, if it is freshly made on the day. There is a risk of spoilage.
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In summer, use a thermos box for lunch for no more than 3 hours, if the food may spoil after 3 hours.
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In summer, bring rice in an insulated lunch box. It's going to get rancid. It also deteriorated. Because the insulated lunch box is not breathable, the inside of the lunch box is hot. Summers are also hot. The inside of the lunch box is not breathable. So good and bad. Metamorphism. When it gets rancid, I don't care about it.
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There is also time for the use of the insulated box. Generally, it can only be kept warm for a few hours, and the food will not deteriorate within the specified time of heat preservation.
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This depends on what kind of lunch you are bringing, if it is more salty, it will be less likely to spoil.
In addition, it depends on what kind of environment you store in, if it is an air-conditioned environment, the food should not spoil.
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If you get up in the morning and make a freshly cooked lunch, it won't spoil by noon, but it can't be an overnight lunch.
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In summer, use an insulated lunch box to bring lunch, will the meals inside spoil, fresh in the morning, will not spoil, provided that it is not exposed to the sun.
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Rice and vegetables are freshly made in the morning, and it won't be bad if you eat it at noon, but if it's leftovers, it's definitely going to be bad, so be sure to make new meals so as not to have a bad stomach.
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If there is a refrigerator in the refrigerator, it will definitely not break, but if it is not, it will definitely break in the insulated box.
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I think the food inside will go bad in the summer because it's so bad.
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In summer, the temperature inside the thermos bucket has always been forty or fifty degrees, and the bacteria multiply slowly, if it is more than 20 degrees, the bacteria multiply quickly, and if there are beans in it, it is easier to ferment. ,
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It should be put in the refrigerator, otherwise the taste may not be very good, for example, if you make it in the morning and eat it at noon, it will be okay, but if you eat it at night, it will not work.
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This depends on the specific situation, different foods have different differences, in short, do not take too long.
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In the summer, I bring lunch with an insulated lunch box. Do meals go bad inside? It shouldn't be good.
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Summary. 68% would, 32% would.
68% would, 32% would.
In summer, it is very good to use a thermos box to bring rice, and it may be rancid. In the high temperature environment of summer, meals are more likely to deteriorate in an insulated lunch box, especially if it takes a long time. Therefore, when using an insulated lunch box to bring rice in the summer, you should pay special attention to the time, and if it is convenient, you can change it to an empty lunch box and put it in the refrigerator to refrigerate, and then reheat it when eating.
Generally speaking, yes, in the summer, when the temperature of the meal reaches 30-40 degrees Celsius, it is the easiest to spoil with Zhixiang, but in Japan, this kind of insulated lunch box banquet is called bento, which is something that students often bring to school to eat at noon, and they will choose to find various ways to keep the bento from deteriorating, so as long as you find the right way, the meal can be left until noon.
Precautions for using insulated boxes: Meals should be served separately. If the meals are mixed together, it will speed up the deterioration rate, and if stored for too long, it will easily lead to the reproduction and growth of bacteria in the lead shed, which is not conducive to physical health. Dishes should be cooked thoroughly.
This can avoid harmful substances left over due to undercooking, and can also kill bacteria in the food, prolonging the storage time of filial piety. Try to keep fish or seafood as little as possible. Fish and seafood are rich in protein, but if they are stored for a long time, the fishy smell will worsen, and the taste will be affected.
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If my answer is helpful to you, please give a thumbs up (comment in the lower left corner), look forward to your like, your efforts are very important to me, and your support is also the driving force for my progress. If you feel that I am satisfied with the answer of Fu Lu, you can click on my avatar for one-on-one consultation. Finally, I wish you good health and a good mood!
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In the summer, it is very likely that the rice will be broken if you bring it in an insulated box.
The insulated lunch box is generally a container made of double-layer plastic or stainless steel plus a vacuum layer or thermal insulation layer, with a lid on the top and a tight seal, and the vacuum layer or thermal insulation layer can delay the heat dissipation of the meals installed inside, so as to achieve the purpose of heat preservation. In a high-temperature environment, food is more likely to deteriorate. When using insulated lunch boxes in the summer, we should pay attention to the time.
If you leave it in an insulated lunch box for a long time, the food may turn sour.
Precautions for bringing rice in an insulated box.
1. To prevent food deterioration, it is best to cook the meals at noon in the morning, and put the cooked meals in the insulated bucket after the temperature is lowered.
2. Meals taken out of the refrigerator should be heated to 100 degrees Celsius.
The hot meal should be eaten within 2 to 3 hours, and if it is stored at room temperature for more than three hours, the bacteria will multiply.
3. It is best to separate the rice and the dish, because the food will affect each other and accelerate the deterioration, especially after the rice is soaked in the vegetable soup, the deterioration will be faster.
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