Parents have been instilling an idea since childhood that it is unhealthy to serve overnight tea overnight. Health tea is a mixture of many substances. Most overnight teas can't be drunk. Can I still drink overnight health tea?

I also want to know ten famous teas in China.

You'd better not drink. From the point of view of nutrition and hygiene, tea soup is exposed to air for a long time, which is easy to breed corrupt microorganisms and make tea soup rancid. In addition, the tea soup is put for a long time, and the nutrients such as tea polyphenols and vitamin C are easy to be oxidized and reduced. Therefore, although overnight tea is harmless, it is generally better to drink it with the bubble.

In fact, Pu 'er tea can be drunk overnight, as long as the tea leaves have not been put on hold for more than 12 hours. In ancient times, Pu 'er tea was used as medicine. Pu 'er tea is rich in flavor, strong in irritation, resistant to soaking and lasting in fragrance after repeated brewing. It is a unique fragrance type of Yunnan Daye tea. Making tea in the morning and drinking it in the afternoon is a very common thing in life. Making tea at night and getting up early in the morning won't change much.

From a medical point of view, Pu 'er tea leaves are rich in vitamin C and tea polyphenols, which have medicinal functions. Although the content of vitamin C in overnight tea will be greatly reduced, it still has disease-resistant function. Therefore, Pu 'er tea can still be drunk as long as it does not exceed 12 hour overnight.

In fact, for many people, drinking overnight tea is easy to have diarrhea, and if it is serious, it will get cancer. In fact, what Xiao Yao wants to say here is the last one, which is even more "alarmist". In fact, the reason why overnight tea can't be used is because tea leaves are soaked for a long time, which leads to excessive loss of vitamins in tea leaves, thus causing tea leaves to change color.

Overnight tea is not always beneficial. What we usually call "overnight tea" means that the tea leaves are brewed within 24 hours. If tea leaves are soaked for more than 24 hours, they will easily deteriorate and cause diarrhea. Generally, overnight tea with diarrhea goes bad after more than 24 hours.

Compared with fresh tea, overnight tea deteriorated slightly, and the bacteria in tea increased geometrically. If you have a bad stomach, please don't try to drink overnight tea, which will cause indigestion or hiccups.

Overnight tea can't be well absorbed and discharged by human body. If you drink overnight tea before going to bed, your face will be swollen the next day, which will affect your appearance. Tea stains in overnight tea will make teeth yellow, produce mottled tartar, and cause a series of problems such as breath and bad breath.