Is it suitable for drinking green tea in summer? What effect does green tea have on heatstroke prevention and cooling?

It is very hot in summer, which makes people physically exhausted and weak. Drinking green tea is most suitable. There is a folk saying that "drink green tea in summer".

Green tea has the effects of relieving fatigue, promoting metabolism, heatstroke prevention and cooling, and is very suitable for drinking in summer. Generally speaking, it is appropriate for a person to drink about 0/2g of green tea/kloc-a day, but it also varies from person to person. Because of its cold nature, green tea should not be drunk in large quantities, especially for people with cold constitution and women in physiological cycle. Drink as little green tea as possible. If you want to drink it, it is better to drink light green tea in small quantities. Because the green tea leaves are fresh and tender, the water temperature should be controlled at 80 ~ 85℃ when making tea, and the tea leaves are easily scalded by boiling water. Green tea is suitable for brewing in bowls or glass pots. Don't be stuffy in green tea often. It is suggested that soup should be served quickly and tea should be opened separately, which can increase the durability of a tea and better taste it. Ordinary healthy adults drink about10g of tea every day. For friends with heavy workload, poor working environment or frequent contact with harmful substances, it is more appropriate to drink 20 grams of tea every day. If people who like smoking and drinking at ordinary times can increase the amount of tea appropriately. Children and pregnant women should drink as little as possible, because caffeine in green tea is irritating to fetuses and children.

Green tea should drink less new tea, which contains more unoxidized polyphenols, aldehydes and alcohols. It has a great stimulating effect on gastric mucosa. Therefore, it is best to store tea for more than half a month before drinking. Thinking about the right amount of tea, green tea is not recommended to drink too much, so as not to form a cold constitution. It is also recommended to think about the normal situation, and if the physique is different, it can be increased or decreased appropriately. Prevent drinking tea on an empty stomach. Drinking tea on an empty stomach will dilute gastric juice and reduce digestive function. To prevent drinking green tea immediately after meals, tannic acid in tea reacts with iron molecules in food, which makes the human body unable to absorb iron in food. Long-term drinking may induce iron deficiency anemia, so it is best not to drink green tea within one hour after meals.

Drink greasy green tea at night, not strong tea. Caffeine in tea has a refreshing effect, especially in strong tea, the caffeine content is as high as 10%, which will excite people's central nervous system and make it difficult to sleep.