Will aflatoxin be produced if steamed buns are kept in the refrigerator for more than 3 days? the doctor tells you the answer

Mantou is the most common staple food in our life, especially for northerners. Today's fast-paced life makes people busy every day. In order to save time more effectively, people will choose to buy more steamed buns and store them in the refrigerator. When we eat hot, we can't eat a meal, and we can also store the leftover steamed buns in the refrigerator. So, is this sentence true?

Nowadays, a topic that arouses people's heated discussion is whether there is any basis for the statement that "putting steamed buns in the refrigerator for more than three days will produce aflatoxin"? Let's hear the doctor's answer.

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Will steamed buns stored in the refrigerator for more than 3 days produce aflatoxin? the doctor tells you the answer

▲What is "aflatoxin"?

Nowadays, people's health awareness is gradually increasing, and they know a lot of health knowledge. However, although many people have heard of aflatoxin, they don't know where is it sacred?

Aflatoxins are chemicals that are harmful to health. As early as 1993, it was listed as a natural carcinogen by the World Health Organization. It is often found in contaminated feed, and if eaten by animals, they hide in the liver and muscles.

In addition, if a small amount of grain, oil and products are contaminated, there will also be aflatoxins. If you eat too much of this substance, it can also increase your body's risk of inducing cancer.

As we all know, the liver is the main detoxification organ of the human body, so this toxin is very harmful to the liver. People put food first. When choosing food, we must learn to choose scientifically and rationally. If we encounter moldy food, we should throw it away as soon as possible. Otherwise, eating it by mistake will have a very adverse effect on our health.

▲Will aflatoxin be produced if steamed buns are kept in the refrigerator for more than three days?

First, let's see what conditions need to be met for aflatoxin?

Toxigenic microorganisms: Aspergillus flavus and Aspergillus parasitica in Aspergillus flavus produce aflatoxin;

Toxic Substrates: Aflatoxins can contaminate foods such as grains, oils, fruits, condiments, dairy products, vegetables, and meat. Corn, peanuts, and peanut oil are the most polluted, followed by rice.

Environmental conditions: the optimum temperature for the growth of Aspergillus flavus is 26°C-28°C. The higher the temperature, the faster the growth of Aspergillus flavus. Once it reaches 28°C to 33°C, Aspergillus flavus can quickly secrete toxins in 80%-90% of the environment .

To sum up: We can judge that if it is steamed in the refrigerator for about three days, it will basically not produce any bacteria and mold, because it does not meet the conditions of Aspergillus flavus, and we can eat it with confidence.

However, it has also been suggested that while a refrigerator can store food and extend its shelf life, it is not a panacea. Don't rely on it too much. Although steamed buns left for more than three days will not produce aflatoxin, it will also cause a large amount of water loss, making the steamed buns hard and dry, affecting the taste, losing nutrition, and greater income than loss.

▲How to store steamed buns?

If the steamed buns need to be preserved, first cool the steamed buns to lose moisture, and then put the steamed buns into a fresh-keeping bag or a freezer bag according to the amount of each meal.

Squeeze out the air in the bag, and then put it in the freezer layer of the refrigerator to avoid direct contact with the air, better ensure that the water is not easy to lose, and it will not be infected with bacteria.

When taking it out again to eat, it should also be heated and cooked, which neither affects the taste nor produces harmful substances, and can be effectively stored for about one month.