"Don't eat so much instant noodles, poisonous!"
"Children eat instant noodles."
"There are a lot of additives for instant noodles, and instant noodle barrels are also toxic..."
Similarly, did you often hear your family say it when you were a child? Some readers told Xiaojiu that she did not eat instant noodles for the first time until she was in high school, and after her mother found out, she would still train a few words of "unhealthy".
There are still many claims on the Internet, pointing out that instant noodles are junk food and contain carcinogens. There are even "experts" who claim that "eating a pack of instant noodles requires liver detoxification for 32 days".
A small bag of instant noodles, is there really such a big harm?
First, let's look at the food additives in instant noodles.
The food additives commonly used in instant noodles are sodium glutamate, caramel color, citric acid, and tert-butylhydroquinone, which are legal additives and have a high safety when used in standard use. For example, sodium glutamate is present in monosodium glutamate, soy sauce, etc. The body consumes protein, and after digestion and absorption, a large amount of glutamic acid will also be formed.
Citric acid is a natural substance contained in sour fruits such as lemons and citrus. Terbutyl hydroquinone is an antioxidant that inhibits the oil from spoiling its taste, and although excessive intake can be harmful to the human body, the content of instant noodles is far from reaching the excessive intake of doses.
Secondly, it is said that instant noodles contain the carcinogen acrylamide, which is true, because instant noodles are fried noodle cakes.
Under normal circumstances, flour, potatoes and other high-starch and low-protein foods will produce acrylamide after high temperature cooking, but the acrylamide produced is limited, especially instant noodles, which contain only a very small amount of acrylamide, which will not have a carcinogenic effect on the human body.
For example, a person weighing 50kg needs a one-time intake of 7.5g of acrylamide to produce toxic effects, equivalent to 93750kg of instant noodles... Therefore, the statement that "it takes 32 days to eat a pack of instant noodles to detoxify" is pure nonsense and has no scientific basis.
In fact, the biggest problem with instant noodles is not toxic or carcinogenic, but unbalanced nutrition.
On the one hand, instant noodles contain not many nutrients, carbohydrates account for 50%, fat 40%, protein 10%; on the other hand, instant noodles contain too much sodium, often eat easy to exceed sodium standards, resulting in water and sodium retention.
Therefore, instant noodles can be eaten, but it is best to add some vegetables, eggs, shredded meat, etc. to cook together to increase nutrition. The spice pack is too high due to the sodium content, can be put less is less.
1. Processed meat such as sausage
Processed meats such as dachshund have been identified as a class of carcinogens, which are closely related to colorectal cancer, stomach cancer, esophageal cancer and other cancers. In the process of making processed meat, a large amount of table salt is added for salting, so a large amount of nitrite is produced.
After nitrite enters the human body, it will become a strong carcinogen nitrosamine under the action of gastric acid, increasing the risk of cancer. Therefore, processed meats such as sausages, bacon, and ham should be eaten less often.
2. Chinese-style salted fish
Chinese salted fish also belongs to a class of carcinogens, and regular consumption of Chinese salted fish will increase the risk of nasopharyngeal cancer and other cancers.
First of all, Chinese salted fish is very salty, belongs to high-salt food, regular consumption of high-salt food will increase the risk of infection of Helicobacter pylori, and Helicobacter pylori is also a carcinogen, which can further induce stomach cancer. In addition, Chinese-style salted fish, like processed meat, will form nitrosamines after entering the human body, which has strong carcinogenicity.
In the daily diet, the intake of Chinese salted fish should be limited, if you want to eat, it is recommended to soak in warm water for a period of time before eating, and remove some salt.
3. Over-hot food
Our esophageal mucosa is very fragile and can cause damage if the temperature of food ingested is too high (above 65°C). After injury, esophageal mucosal epithelial cells shed, repair themselves, and continue to proliferate. If you often eat hot food, the epithelial cells of the esophageal mucosa will continue to repair, proliferate, repair, and re-proliferate, in this process, cell replication is prone to error, cancer, and eventually induce esophageal cancer.
It is precisely for this reason that the World Health Organization has listed "drinks with a temperature of more than 65 ° C" as a Class 2a carcinogen, and we should try to avoid eating overheated foods or hot drinks.
4. Betel nut
Betel nut has been listed as a class of carcinogens, mainly because the betel nut contained in it will destroy normal cells, affect the normal repair of DNA, and also cause oxidative stress reactions, causing oral cancer, esophageal cancer and other cancers. In addition, the plant fibers of betel nut are coarser, which is easy to cause irritation to the oral mucosa and further induce cancer.
People who eat betel nut regularly must quit, and those who have not eaten betel nut should not try out of curiosity.
5. Moldy food
The older generation is more diligent and thrifty, and the food is moldy and reluctant to throw it away, often cutting off the moldy part and continuing to eat. As everyone knows, in places that are invisible to the naked eye, they have also been contaminated with bacteria and carcinogens.
In particular, moldy rice, soybeans, nuts and other foods will breed aspergillus flavus and produce a strong carcinogen aflatoxin. After entering the human body, aflatoxin will be deposited in liver cells, damaging the liver and inducing liver cancer.
Therefore, do not eat moldy food, if you accidentally eat it, you should spit it up immediately and gargle with water.
6. Over-grilled food
When grilled, the fat in the food undergoes a pyrolysis reaction, producing benzopyrene, especially the burnt part, which has a higher content of benzopyrene.
Benzopyrene is a class of carcinogens that, when entering the body, increases the risk of lung cancer, bladder cancer, stomach cancer, esophageal cancer and other cancers. Therefore, barbecue food should be eaten less, especially charred food, should be avoided. In addition, charcoal roasting can also be replaced by electric roasting to reduce the production of benzopyrene.
Finally, Xiaojiu once again reminded everyone that in daily life, we must try to contact carcinogens as little as possible, among them, too hot food, betel nut and moldy food should not be eaten, and other foods can be eaten in moderation, but also can not be eaten in large quantities for a long time.
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Resources: [1] Mom, instant noodles really aren't toxic. Sight-aware. 2018-09-26 [2] 5-year-old child with liver cancer, instant noodles back to the pot? The relationship between instant noodles and cancer should be clearly explained | True Medicine.2017-08-19 [3] Released by WHO! 7 kinds of carcinogenic bombs are hidden on the dinner table of Chinese!.Health Community.2021-10-17
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