Why did the ancients think that overnight tea should not be drunk?

There are also people who think that "overnight tea cannot be drunk"? Listen to what the correct scientific explanation says.

The tea will be produced after a long time, and the tannic acid produced will be completely dissolved in the tea, and the overnight tea will produce oxalic acid with our food, and the chemical changes after the combination of tannic acid and oxalic acid can easily produce stones. Obviously, if it's just something cold, it's at least harmless to healthy people. The reason why most people think that overnight tea can't be drunk is definitely not just because it is cold.

Microorganisms and the toxins they produce are the real culprits that harm the human body.

<> addition, tea contains relatively rich nutrients, such as some amino acids, tea polyphenols, etc., which is conducive to the reproduction of bacteria. It is very easy to oxidize into a brown gelatinous substance in air and water - tea rust. Tea rust contains cadmium, lead, iron, arsenic, mercury and other substances, once these oxidizing substances enter the human body, they can also cause inflammation, ulcers, necrosis and other lesions in organs such as kidneys, liver and stomach.

Tea glaze is made of tea volatilized aromatic substances, tannic anhydride and tea pigment theaflavin, and metal ions in the water and other condensation, to tell the truth, I personally do not like this tea glaze, including some fermented tea, water flush on the floating tea glaze, however, if glass and pottery, their density is relatively high, not breathable, I recommend trying not to drink, especially in summer, the temperature is high, all kinds of bacteria multiply faster, easy to taste, and even turn green, in summary, overnight tea is not recommended to drink.

You can not drink it, but as long as it does not breed bacteria, it is not polluted, and it does not cause any harm to the body, we cannot observe whether bacteria are breeding with the naked eye, and it is not recommended to drink tea on an empty stomach in the morning, so do not drink it. Don't drink too strong tea. Strong tea will increase the "excitability" of the human body excessively, causing adverse effects on the cardiovascular system, nervous system, etc.

People with cardiovascular disease may experience rapid heartbeat or even irregular heartbeat after drinking strong tea, resulting in recurrence of the condition.

This statement is very correct, because the nutrients in the overnight tea have been lost and spoiled, there are some bacteria in it, and there will be aflatoxin, and drinking overnight tea is very unhealthy.

Whether you can drink overnight tea or not, many people have discussed this topic, and there are reasons for whether you can drink it or not. Overnight tea refers to overnight tea, in the past, the utensils for making tea were not well sealed, which was easy to cause mosquitoes to fall or crawl in, in which protein and sugar are easy to become nutrients for bacteria, so it is best not to drink tea water for a long time.

But now the tea container is better closed, there is no such situation, overnight tea is rich in acids, can prevent capillary bleeding, such as stomatitis, eczema, gum bleeding and other can be used overnight tea**.

Therefore, whether you can drink overnight tea depends on your own situation, and there is no basis for not drinking it.

Overnight tea can be drunk, but its nutrition is not as rich as freshly brewed tea, and the taste is not very good, but it can still be drunk.

Many people like to drink tea, not only to taste tea, but also to explore the way of life in the process of tea tasting. There are many types of tea, and different teas have different tastes, including some expensive famous teas. Many people don't want to pour the tea the night before because they love tea, but continue to drink it after it is boiled, but they don't know that this is very harmful to the body.

Why is it not advisable to drink tea at night? Why isn't it advisable to drink tea at night because of health concerns? Tea where bacteria grow overnight is usually left in the teapot or even sealed in the refrigerator, where it can be invaded by various bacteria.

If you put it in a teapot, the indoor temperature will be high and bacteria and dirt will get into the tea. Drinking this all-night herbal tea again will affect your health, at least you will have diarrhea. In general, the taste of overnight tea will be more astringent, it has lost its original mellow flavor, and it is meaningless to taste it again, and it is better to quench your thirst than to drink water.

What's the use of drinking all-night tea if you can't drink it all-night? Remove dark circles If the dark circles are more serious after staying up late, you can wake up the next day with a tea wrapped in gauze overnight tea, and then gently press the dark circles around your eyes gauze bag, which can effectively remove dark circles, at least it will make the dark circles lighter and less obvious Rinse your mouth Although you can't drink overnight tea, you can rinse your mouth in the morning because overnight tea can effectively solve the problem of bad breath. In addition to the morning, you can always rinse your mouth with overnight tea, and the symptoms of bad breath will gradually decrease.

Watering the flowers If the overnight tea is thrown away and then used to water the flowers, it will become stronger and stronger, which is a pity. However, it is important to note that the roots of the flower must be watered. Don't just spray overnight tea on the leaves of the flowers, this will not effectively moisten the plant.

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Because the tea room has been standing for more than half an hour, there is a lot of sediment, and the tea leaves are easy to deteriorate in contact with the air during this process, and some foreign substances in the air will enter the tea cup, so it is best not to drink overnight tea; So far, there is no scientific basis, just rumors.

Because there will be some toxic substances in the overnight tea, it cannot be drunk; Because some carcinogens will be produced in the tea overnight.

Because there may be a lot of bacteria in overnight tea, drinking these teas may cause diarrhea and will also affect the health of the body.

When guests come to the house, we usually make tea for entertainment, but if we don't finish it, what will happen to the rest of the tea? Because many people don't want to drink too much tea at night, and then we will put it until the next day, but some people say that they can't drink overnight tea, and overnight tea is not good for the body, is this a scientific basis or a fallacy? Can't drink overnight tea, why?

One. Overnight tea cannot be drunk and has no scientific basis.

Now many public platforms and short ** accounts like to release some false information, such as these can't be eaten will cause cancer, those can't be drunk, will cause disease, I feel that these are very willing to overnight tea, why can't you drink it? If qualified night tea is unhealthy, please tell me, what is the harm? I think those who say that overnight tea can't be drunk are completely, because there is no scientific basis for this!

Two. Whether or not overnight tea can be consumed depends on the season.

If I were to analyze whether overnight tea could be consumed, I would sort out the conditions under which it could be consumed. For example, if it is summer, the overnight tea brewed at night is not put in the refrigerator, but placed on the coffee table or table in the living room, in this case, I think it is not drinkable, because the temperature is very high in summer, and it is easy to change the flavor of the overnight tea after leaving it overnight, and it is not good to drink it at this time. If it's winter, the temperature outside is already very low, so put the overnight tea on the coffee table at this time, and it can be drunk completely after the night, because there is no taste change.

Three. It is best not to drink overnight tea.

In addition to the temperature that determines whether or not you can drink overnight tea, there are also some harmful substances in the air that we can't see. If we can't finish the overnight tea on the table, it is best to cover it with a lid to prevent some particles from entering the tea cup, and it is best for everyone to drink it on the same day. <>

Because there will be some natural ingredients in the overnight tea, which will cause problems in the body. Of course, there is a scientific basis, because many researchers have studied overnight tea and found that carcinogenic substances are produced in it.

Of course, there is a scientific basis, this practice can better protect people's stomach, better protect people's body, avoid problems, and avoid diarrhea.

There is a scientific basis, because there are actually some toxins in the overnight tea, and there will be a lot of nitrite in it, which is carcinogenic, so it must not be drunk.

There is a scientific basis, because the overnight tea time is too long, the vitamins have been lost, which will produce a lot of bacteria, which will cause the tea to taste bad.

The thermos cup is not suitable for making green tea, it is best to use a glass cup to brew, like black tea, white tea, you can use a thermos cup to brew, the overnight tea is still being debated, whether you can drink overnight tea The relevant departments will have a correct statement in the future. Tea can be drunk overnight, and rumors have been avoided. Just don't spoil like a meal for a long time.

You can drink tea in a thermos cup, but it's not delicious, and the taste of the tea will be bad.

If you want to drink overnight tea, you should seal and store it in the refrigerator to prevent bacterial contamination and cause deterioration and corruption, but the overnight tea taste will be worse, especially black tea, oolong tea, the taste has a greater impact, black tea with high tea polyphenol content, tea polyphenols and their oxidation products theaflavins and thearubigins in tea soup, it is said that what cannot be drunk is just the taste has changed, we have eaten Chinese patent medicine, high temperature boiling at high temperature drying to make soaking cake and beating powder and other complex processes, compared to the thermos cup is too pediatric, the loss of efficacy is not large, This can't drink green tea essence into a drink, and it's too high, so you can only hehe. What's more, I still specialize in buying smoldering beakers.

As for the saying that the tea leaves have changed after a long time, it is not tea rust, but the thearubigin or theabrownin in the tea will be oxidized, and it is easy to become darker after that. If the tea is left for a long time, what will happen to it? . . How to drink tea for the healthiest Health Studies have shown that the main change is the further oxidation of tea polyphenols and the darkening 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.

Fuding white tea can be drunk overnight. In the past, it was normal to make a pot and drink it for the whole family for several days, and soak it in a thermos cup. Good tea is not afraid of stuffiness, but it is best not to use a thermos cup to make tea, the thermos cup is not suitable for making tea, and it is better to use a glass porcelain cup purple clay pot to make tea.

The tea brewed in the thermos cup has no taste overnight, and the bitter and astringent taste is all brewed out, so if you want to drink it, you should make a new cup of tea! Tea left overnight can rinse your mouth very well, and it is also a great effect.

It's best not to drink it, because the overnight tea is relatively strong, and it is very cold, and it will make your stomach uncomfortable when you drink it, and it is not good for the body.

I think you can drink it, because if you soak it in the middle of the night, you can drink it, and the effect is not very big, and it is particularly good.

Overnight tea is edible if it is at a normal temperature, but in the case of overnight, its microbial content will increase, and people with a bad stomach should not drink it.

Overnight tea is left for more than 12 hours and belongs to the long-term tea brewing series. Theoretically, it is safe to drink. Many related experiments have also shown that after the tea leaves have been left for a long time, the tea soup has not changed significantly, and it still meets the drinking standards and is in a healthy state.

The same is true for overnight water, which is placed normally for more than 12 hours, without affecting the drinking effect, without getting sick, and without carcinogenicity. The premise is that the environment should be ***, not dusty, and not polluted by a large number of bacteria.

If you are in an unhygienic environment, it is best not to drink water that has been left out for a long time, in case it is not good for the human body to be contaminated with harmful bacteria, and the gains outweigh the losses. Overnight tea is not undrinkable. Whether tea can be drunk or not is related to the length of storage time, whether the storage container is clean, whether the ambient temperature is suitable, the number of bacteria in the environment, etc., and has little to do with whether it is left overnight.

Tea leaves are affected by environmental conditions and can be stored for a long or short period of time. Tea leaves after the night are not undrinkable. Generally speaking, as long as the ambient temperature is suitable, the number of bacteria in the environment is small, the water container is clean, it has not been stored for too long, and the sealing is good, even overnight tea can be drunk.

If you want to drink overnight tea, it should be sealed and stored in the refrigerator to prevent bacterial contamination and deterioration and cause corruption, but the taste of overnight tea will have certain differences, especially black tea and oolong tea, which have a good taste and high content of tea polyphenols in tea. Drinking tea overnight can have some adverse health effects, including a lack of energy boost, the potential for microbial or bacterial growth, and an impact on tooth color.

Because tea contains tea polyphenols, it is easy to oxidize into tea rust in air and water. Tea rust contains pickaxe, lead, arsenic, mercury and other substances, and the longer the tea is exposed to the air overnight, the more tea rust will appear, which will not bring a refreshing effect to the tea. Overnight tea is left out for a long time and is prone to bacterial growth, which may affect digestive function and cause diarrhea, abdominal pain and vomiting.

Because overnight tea is likely to produce bacteria, which will affect some nutrients in the tea and cause infection.