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Can I have tea overnight? What harm does drinking overnight tea have to human body

Chinese tea culture has a long history. Chinese people like tea and drink it. And drinking tea also has many benefits to the human body, such as eyesight, liver protection, anti caries and so on. But if tea is kept for a long time, it will become overnight tea. Can overnight tea still be drunk? What are the disadvantages to human body?

Can I have tea overnight

Overnight tea does not only refer to the tea that has been brewed well for one night, but also refers to the tea that has been brewed for 12 hours. Generally speaking, after brewing tea, after 12 hours of fermentation, the nutrients are volatilized, and there will be a lot of bacteria on it, which is not suitable for drinking. Therefore, overnight tea is not recommended.

What's the harm of overnight tea

1. Will hinder the absorption of nutrients

Tea itself contains a variety of tea polyphenols, these substances can be anti radiation, detoxification, but if the storage time is too long, tea polyphenols and air will have a role in the formation of tea oil rust. Tea rust generally contains a lot of lead, mercury and other harmful substances. After entering the human body, these substances will combine with fat and vitamins in the body to form precipitation, which is not conducive to the absorption of the human body.

2. May induce visceral inflammation

Overnight tea placed for a long time, tea polyphenols will be oxidized into tea rust. Tea rust not only hinders the absorption of nutrients, but also may cause inflammation of kidney, liver and other organs. Therefore, it's better to drink tea in time. If you can't finish it, pour it out. Don't save it for the next day. A small cup of tea will have a great impact on our health.

3. May have diarrhea

Because overnight tea is placed too long, the vitamins, sugars, proteins and other nutrients in the tea will be volatilized. Not only that, there may be many bacteria adsorbed on the tea. If you drink this kind of tea, not only can you not absorb the original nutrients, but also it may cause diarrhea because of too many bacteria.