Is drinking overnight tea harmful to our body?

Overnight tea does not mean that the tea has been overnight, but how long it has been soaked in water.

Overnight tea is not to be drunk, and the brewed tea leaves will release toxic substances if they are left for a long time.

Don't eat some overnight tea in life, overnight tea is indeed very harmful to our body, so those overnight tea can only be used for watering, watering some plants, and watering some vegetables.

In addition, according to this friend's account, he said that overnight tea will emit some toxic substances, and there will be a lot of bacteria, so it is not recommended to use it.

If your overnight tea has been left for more than 24 hours, the sugar and protein in the tea will be easy to produce mildew and breed a large number of molds and germs due to environmental and temperature problems. Therefore, once the tea has been left for more than 24 hours, it should never be drunk, especially during the summer season, when the temperature is high.

Overnight tea has lost most of its vitamins due to a long time, and the proteins and sugars in the tea soup will become nutrients for bacteria and molds to multiply, so people usually think that overnight tea cannot be drunk.

Over the years, drinking tea has also drunk some doorways, the choice of tea sets, tea has been particular, but overnight tea, for a while, I felt palpitations, went to the hospital to find classmates, there is no big problem, I asked him if it is related to drinking tea, he suddenly realized, indeed, I drink tea too strong, at least three times a day to change the tea, every month I drink at home tea has to be half a catty, overnight tea is also right, classmates told me: overnight tea is not can not be drunk, but can not be drunk on an empty stomach, especially when it is hot, Soaking in a cup for a few hours, the tea is easy to rancidity and bacteria, and it is best not to drink it, which will cause intestinal discomfort and even diarrhea.

This problem has also bothered me for a long time before, due to work reasons, often work overtime at night, usually make a pot of tea at about ten o'clock in the evening, drink until nearly twelve o'clock to rest, get up in the morning to look at the teapot of tea often entangled in whether you can drink, and then specially went to consult, if the overnight has deteriorated tea, it is really not drinkable. It's not that tea has any enmity with the moon, it becomes "poisonous" after the night. In fact, to be precise, the word "overnight" does not refer specifically to the evening, but to describe a longer time.

In other words, the brewed tea soup should not be drunk after a long time. (Of course, bottled tea is calculated after the expiration date) tea has been left for a long time, and the main change is the further oxidation of tea polyphenols and the deepening of color. A cup of clear and turquoise tea, especially if left for a long time in high temperatures, will lose its green color and increase the degree of yellowness.

This is the oxidation product of the oxidation of tea polyphenols in tea to form yellow-red and reddish-brown, mainly theaflavin, thearubigin, theabrownin, etc. These products are non-toxic and will not cause harm to the human body, so the tea soup without spoilage after overnight is still non-toxic and can be drunk.

I don't know whether overnight tea is harmful or harmless to the body, but I often drink overnight tea, and I have read several articles about whether overnight tea is harmful or beneficial to the body.

We have to be sure that even if there are nitrosamines in tea, they are insignificant, and I am in daily foods, such as pickles, salted fish, salted meat, etc., all contain nitrosamines, and there are much more nitrosamines than in tea. But we probably eat these foods every day. A level of 4 50 milligrams of nitrosamines per kilogram of food is safe, and our bodies have the function of breaking down nitrosamines.

Only when it reaches 100 200 mg per kilogram of food can it cause cancer, and it is taken continuously for a long time, so it is unscientific to simply say that overnight tea is harmful to health.

If the tea is left for too long, a substance called tannic acid will be produced in the tea, which is completely soluble in water. If you drink a cup of tea that has been left aside for too long in the morning and then eat breakfast, then the tannic acid contained in the tea will react with the food, because some foods contain oxalic acid; When oxalic acid meets tannic acid, the two will easily combine to produce a chemical reaction, and eventually it will easily form a stone problem. Not only that, the frontal tannic acid contained in tea will also cause our body to become difficult to digest and absorb some nutrients.

The so-called overnight tea, I personally think that it should not simply be regarded as overnight tea, it should be a concept of length of time, even if it is overnight tea, it should mean that it has been placed for too long. First of all, we know that the color of tea is the effect of phenols in tea, a cup of clear and turquoise tea, after a long time, it will lose its green color and increase the degree of yellow. This is the oxidation product of yellow-red and reddish-brown oxidation formed by the oxidation of tea polyphenols in tea, mainly theaflavin, difference erythruscin and theabrownin.

These substances are all five poisons and will not cause harm to the human body.

In our tea water, it contains certain amino acids, tea polyphenols and other substances, among which the reason why people choose to drink tea for health is mainly due to the antioxidant effect of tea. However, if the tea is left in the air for a long time, it will cause a large amount of oxidation of the vitamin C substances in the tea; The tea polyphenols in tea will be easily converted into tea cromophenols, which will lead to a significant decrease in the antioxidant effect of tea.

In daily life, for most people, they now pay more and more attention to their physical health, and in daily life, some people will also use some public welfare time to do physical exercise to enhance their physical fitness, but for us in our daily life, do not drink overnight tea, because drinking overnight tea is likely to cause some harm to our body. <>

First of all, if we often drink overnight tea in our daily life, then it is very likely that we will have stones, you must know that in daily life, if the tea leaves are placed overnight, then some tiny particles in the tea will condense, and then its own properties will undergo some changes, and at this time, if we often drink such tea, then it is very likely to make our body appear stones. <>

Secondly, for us, if we try to overnight tea in our daily life, it will also have a very bad impact on our intestinal system, because if the tea leaves are left overnight, the protein and sugar in the tea will breed some bacteria that are harmful to our body, and these bacteria are likely to combine with the protein of our body, which will increase the burden on our gastrointestinal system, so for us in daily life for our own gastrointestinal health, Never drink overnight tea. <>

Finally, for us, if we drink overnight tea in our daily life, then it is very likely to cause us to have diarrhea, you must know that if the tea is left overnight, then the nutrients contained in it will be lost, and then the tea will deteriorate, if we drink overnight tea at this time, then it is very likely to make us have diarrhea.

Therefore, for our daily life, for the sake of our own health, we should never drink overnight tea, and when the tea leaves overnight, we had better choose to pour it out.

Drinking tea overnight often has the biggest impact on the body is that it will consume too much nitrite. Because overnight tea will also contain a lot of bacteria and aflatoxin, which is very harmful to health. Drinking overnight tea can easily cause acute gastrointestinal inflammation and can also easily cause malnutrition.

1. Overnight tea is easy to become sour and tasteful, and will produce some bacteria, which will destroy the balance of intestinal flora after drinking, and will cause abdominal pain and diarrhea in severe cases 2. Overnight tea contains a variety of carcinogens, which will cause human cells to become cancerous after drinking 3. Overnight tea contains sulfuric acid, which will generate substances harmful to the human body after being oxidized, which will easily affect human liver and kidney function and make liver and kidney function impaired.

There will be a lot of bacteria in the overnight tea, which is not very hygienic and loses a lot of nutrients. Drinking overnight tea often is not conducive to physical health, and there may be stomach problems, which will cause gastritis.

Drinking overnight tea for a long time has an impact on the body, with both benefits and disadvantages. The main benefits are that it can help patients to stop bleeding, prevent mouth ulcers, and carry out certain treatments, overnight tea can also help to remove oil from the body, which is helpful for reducing blood lipids, and then it can pass stool and improve some of the patient's related symptoms.

It is harmful to drink overnight tea, mainly because overnight tea is easy to deteriorate and deteriorate, and if it appears, it cannot be drunk, otherwise it will induce diarrhea and some inflammation of the digestive tract.

In addition, overnight tea loses a lot of vitamins, and there are a lot of bacteria, so you should pay attention to it during drinking. In addition, drinking overnight tea is easy to induce a series of symptoms such as gastritis in patients.