Why can Herbal tea drink, but cold tea does not drink?

Review expert: Wang Guoyi

Doctor of Nutrition and Food Safety of China Agricultural University

In the hot summer, after busy work, there is nothing more happier than rewarding myself a sweet and delicious herbal tea. When it comes to herbal tea, everyone may have such doubts: Herbal tea can drink cold, can she drink it?

In fact, herbal tea is not cold, nor is it tea. It originated in Guangdong, Hong Kong, and Australia. It is a kind of local people with the theory of health care of Chinese medicine and a kind of Chinese herbal medicine. Life drinks such as fire and dehumidification. Therefore, the herbal tea can be drunk with her tea, and the herbal tea should not drink it anymore.

Herbal tea source ｜ See watermark

Why can't Liao tea drink?

There was a long time ago that the tea Saint Lu Yu mentioned in "Tea Sutra · Five Boil" that tea should "drink while hot". "

To put it simply, when the tea is hot, the tea residue sinks, and its essence will float on the surface of the tea soup. The aroma is overflowing, the taste is low, and the taste is rich. Full of dissipation, light tea soup, poor taste, and not suitable for drinking, especially those who are old -fashioned.

In addition, the tea soup time is too long, and nutrients in tea, such as tea polyphenol, are easily affected by external factors, and promote the breeding of bacteria and mold, which pose a threat to our health. Therefore, the brewed tea should be drunk while it is hot. Try not to drink cold tea and overnight tea.

However, cold tea cannot be drunk, and hot tea cannot be drunk. Our esophageal mucosa is relatively fragile. The optimal temperature is 50-60 degrees. After being stimulated by the hot tea, it will cause damage to the esophagus mucosa, which will cause the lesion. probability. If you accidentally drink tea, don't swallow it forcibly, spit it out immediately to avoid causing oral diseases. Win tea is the best, not hot or cold, the temperament is neutral, it is best to enter, and it is the most suitable for raising. In this way, tea should be drunk while it is hot, unless you drink cold tea.

Source ｜ Baidu Encyclopedia

What kind of tea is cold tea?

Cold tea originated in Taiwan Province. As the name suggests, it is used to make tea with cold water or ice water to extract the flavor of tea. In this way, tea can be dissolved in the tea with sweet amino acids in the tea, and reducing the release of caffeine and tea tannins. Therefore, cold tea is not bitter or astringent, and is loved by the public.

Compared with the traditional way of making tea, cold tea takes longer, and even wait for a few hours to drink, but not all tea is suitable for cold bubbles. Generally, green tea, white tea, and light fermented oolong tea are more suitable, and black tea , Pu'er tea and other fermented tea, cold bubbles may be worse. It should be reminded that the family should not be placed at room temperature for more than 4 hours when the family is brewed in cold tea, otherwise it may cause the breeding and reproduction of microorganisms and cause gastrointestinal discomfort.

Cold Tea Source ｜ Baidu Encyclopedia

What are the benefits and disadvantages of drinking cold tea?

Benefits: The taste of cold tea is sweet. Drinking in moderation can play a role in clearing heat and cooling blood, detoxifying heat and cooling heat, and also prevent wind and heat. In addition, the content of tea polyphenols in cold tea is also relatively high, which has the effects of lowering blood pressure, lowering blood sugar, and lowering blood lipids. Among them, the B vitamin is also rich, which can play a role in refreshing the brain.

Disadvantages: As a cold drink, drinking cold tea may reduce appetite, and for people with weak gastrointestinals, it may stimulate damage to the stomach and stomach, causing diarrhea and abdominal pain.

Source ｜ See watermark

How to make a good cup of tea?

If you want to make a cup of tea, the quality of the tea itself is important, but the impact of water temperature, tea sets, methods, time and other factors on tea should not be underestimated. Among them, the control of water temperature is very important for the display of tea. High temperature helps to quickly immerse the tea flavor, but it should be noted that high temperature may be burned with tea, and it is easy to make the bitter taste of tea. , Be sure to vary from tea.

Source ｜ Pixabay

For example, tea cakes with high raw material grades and tea with a certain year should be brewed with boiling water; more tender tea or newer tea are suitable for brewing with water with slightly low water temperature. The length of time for tea in the water is also very important for the aroma and taste of tea.

Generally speaking: the soaking time of Chencha and coarse tea should be long, and the soup should be slow, and the soaking time of new tea and tender tea should be short, and the soup should be fast; the hand -made Pu'er tea has a long soaking time, and the mechanical Pu'er tea is made. The soaking time is short; the soaking time is long, and the soaking time of Pu'er loose tea is short. When brewing, it is still determined according to the nature of tea. But the length of soaking time is also part of the temperature control of tea and water.

As early as the ancient tea works, the effects of water that studied different water temperature on tea on tea, such as the saying of "unbounded soup", "overcooked soup" and "waiting soup" in the Song Dynasty Cai Xiang's "Tea Record", as well as the Ming Dynasty Xu Jishu's "water tender", "water old" and "water at the time" mentioned in "Tea Shu". Although the two are different, they have the same way.

Source ｜ Pixabay

The so-called "unfamiliar soup" means that "water tender" means that when the water has not been boiled, the water temperature is approximately 60 ° C-65 ° C. At this time, because the water temperature is too low, even the tender green tea, the internal quality of the tea is not easy to make, the tea leaves insufficient water, the aroma and taste are weak, and it is easy to float on the water. It is not convenient to drink and drink it.

"Water Lao", that is, "overcooked soup", refers to the boiling water completely boiled, or boiling water for a while.At this time, the water temperature is about 100 ° C, and the green tea will be "hot" with relatively tender green tea leaves.High temperature helps to dissolve tea. The higher the temperature, the stronger the tea soup. The color of the tea soup is also prone to change, and a large amount of tea tannin and caffeine will cause the tea taste to be bitter."Ban Tang" means "water at the time", which refers to the state of boiling phenomenon just after the hot water is bubbling. The water temperature is roughly between 80 ° C-95 ° C. At this timeThe catexine is completely released, the vitamin C is well preserved, the tea tannin and caffeine are released less, the aroma is fresh and high, the tea taste is tender and sweet, it is really beautiful.

Chinese tea culture is extensive and profound. Everyone may wish to make a cup of tea to make fine products. Of course, when the weather is hot, you can also make a cup of cold tea ~

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