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Why is your mouth dry after drinking tea?
1. Drying caused by tea polyphenols. Tea contains polyphenols, which will form an impermeable film on the tongue when it is imported, making the tongue dry. After this film is broken, it turns into a common sweetness, which is also a sign of good tea. At the same time, this situation is generally more obvious in tea with high tea polyphenols content, such as green tea and Shengpu.

2. Caused by excessive drinking. Drinking tea advocates hot or warm drinking, but overheating will burn the mouth and produce a sense of dryness. In fact, we will have similar feelings when drinking overheated boiling water. In addition, Li Shizhen's Compendium of Materia Medica mentioned: "Tea tastes bitter and cold, which can reduce fire best. Fire is a disease, and the fire is clear. Warm drinks cause internal heat to drop due to cold, while hot drinks cause tea to rise and disperse due to internal heat, which also relieves the poison of wine and food. "

3. Some teas are called "angry". On the one hand, traditional medicine believes that eating habits are divided into "four natures and five flavors", namely, cold, cool, warm and hot, and sour, bitter, sweet, pungent and salty. Among teas, green tea and white tea are the coolest, green tea and yellow tea are relatively mild, and black tea and black tea are relatively warm.

On the other hand, some newly processed tea leaves, such as freshly dried or roasted green tea, are often "angry". When drinking alcohol at this time, some people often feel dry tongue and throat; However, after a period of time, this will not happen to most tea leaves.

People with hot and dry constitution should drink herbal tea, while those with deficient and cold constitution should drink warm tea. It is best to drink black tea at night. Because green tea belongs to non-fermented tea, it has high content of tea polyphenols, maintains its original properties and is irritating;

Black tea is a completely fermented tea. Although the content of tea polyphenols is low, it is mild after "aging" and suitable for drinking at night. However, people who are easily excited or sensitive, have poor sleep and are weak should drink less or not drink tea at night.