You can drink overnight tea, but ordinary overnight tea cannot be drunk, so people usually think that overnight Pu'er tea cannot be drunk either. However, Pu'er tea is very durable and of high quality, which determines the special nature of Pu'er tea.
The concept of overnight tea is difficult to distinguish from tea brewed in the morning. It is common to drink it in the afternoon. Tea brewed late at night when working late at night is drunk after getting up early in the morning. The changes in the tea will not be greater than during the day. If I have to say something, If it is different, the temperature during the day is high, and the tea water may change even more.
What changes will occur if tea is left for a long time? Research shows that the most important change is the further oxidation of tea polyphenols and the deepening of color. A cup of clear green tea, especially if left for a long time at a high temperature, will lose its green color and increase its yellow color. This is the oxidation of tea polyphenols in tea to form yellow-red and reddish-brown oxidation products, mainly theaflavins, thearubigins, theabrownins, etc. These products are non-toxic and will not cause harm to the human body.
Friends who have drank Pu'er tea know that Pu'er tea water will turn reddish-brown after being left for a long time. In fact, this is due to the oxidation of tea polyphenols into reddish-brown tea pigments. Studies have shown that tea polyphenols and tea pigments have strong anti-cancer and antioxidant effects. Although the vitamin C content in overnight tea is greatly reduced, it still has anti-disease effects. Pu'er tea can be drunk overnight, but under certain conditions.
Although overnight Pu'er tea can be drunk, the interval should not be too long. If the Pu'er tea has been consumed for more than 24 hours, please give up.
If you can’t finish the drink today and want to continue enjoying it tomorrow, please follow the steps below:
1. For the last dip, pour out the water in the pot completely. Generally speaking, the main reason why overnight tea cannot be drunk is that bacteria can easily breed in the tea soup after one night, but the tea itself will not be affected (it is difficult to say if it exceeds 24 hours). to the water in the dry pot and keep the bottom of the leaves dry, then there will be no problem.
2. Cover the pot lid securely and buckle the pot body backwards. The famous "broth bacteria experiment" tells us that it is bacteria in the air that make broth go bad. Here we turn the pot upside down, with the spout facing downwards, to avoid as much as possible the formation of bacteria on the bottom of the leaves.
3. The next day, when you want to continue making tea, pour boiling water into the pot twice, pour it out quickly, and you can continue to enjoy it. The quick tea washing here is to wash away the bacteria that may be produced on the bottom of the leaves as much as possible, and to avoid the waste of tea quality.
Some people speculate that after tea is left overnight, nitrosamines, a carcinogen, will be produced. First of all, it should be confirmed that even if there are nitrosamines in tea, they are insignificant. Many of the foods we eat daily, such as bread, , vegetables, pickles, salted fish, bacon, etc. all contain nitrosamines, and the amount is much higher than in tea. But I didn’t see anyone skipping meals. The nitrosamine content in each kilogram of meat products is 4 to 50 micrograms. Isn't it terrible? In fact, it is not, because the human body has its own function of decomposing nitrosamines. Furthermore, nitrosamines must be absorbed at 100 to 2000 mg per kilogram of body weight to cause cancer, and large doses must be taken continuously throughout the year. Generally, a normal amount of food will not cause such huge harm, and the amount of tea drunk is insignificant compared to the amount of meals consumed.
Pu'er tea is resistant to brewing. As we all know, we often have unfinished tea when drinking tea. You can drink overnight tea that has not deteriorated.
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Tea weight 8-10 grams
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I wish everyone good health, peace and happiness, and great success in the new year!