Chen Zongmao, a researcher at the Tea Research Institute of the Chinese Academy of Agricultural Sciences, has studied tea for more than 60 years, and drinking tea has become a part of his life.
splits the word "tea", we can see several numbers, the cursive head is regarded as twenty, the middle person is regarded as eight, the wooden word is divided into eighty, and the sum of the three is 108, which is why it is said People who live to the age of 108 are called tea longevity.
Academician Chen said that the proportion of adults who drink tea in my country is 45%. It is impossible to summarize in one or two sentences.
For example, some people have raised such an interesting question: "I have insomnia after drinking tea, but others are fine after drinking tea. Is there something wrong with my body? "
This is the problem, Xiaomiao told everyone.
People who can't sleep all night after drinking tea, or those who are not affected, which one is healthier? I like drinking tea since I was a child. When talking about the sleep problem, Xiao B said that he sleeps well, even if he drinks tea after dinner, it will not be affected at all. Acid can arouse our central nervous system. When we drink tea or coffee, the substances such as theanine and caffeine will be absorbed by the intestine into the blood and circulated in the human body, this process will It binds to the receptor in the brain.
Due to different genes, people also have different adenosine receptors. Xiao B belongs to the kind of people who have poor binding ability between adenosine receptors and theanine, so he drank tea The body does not respond.
After binding to the receptor, these substances will enter the liver for further catabolism. There is also a difference in the ability of each person to metabolize . People with more enzymes in the liver decompose quickly, and quickly metabolize caffeine and theanine out of the body, while people with low levels of these substances retain these substances for a longer time, which will also make it difficult to fall asleep.
In addition to the "acquired" tolerance exercise for tea and coffee, the situation that everyone can't sleep after drinking tea varies from person to person. After drinking tea, being unable to sleep does not mean that there is a problem with the body.
Friends who are accustomed to drinking tea, how to make them "quit" tea, always feel "boring", and want to drink tea , but also want a good sleep, can try this:
, drink tea in moderation at night Timely
For those who are intolerant to caffeine or theanine, it is good to drink a small cup of weak tea after dinner to help digestion. If you drink too much at night, tea is diuretic, and you frequently run to the toilet at night, which will also affect your sleep.
. Drink tea with a high degree of fermentation, such as black tea and cooked general tea
The higher the degree of fermentation, the lower content of tea polyphenols , tea soup warm, moderate drinking will not affect sleep too much. There are also teas with higher sweetness, such as white tea , theanine mainly acts on the taste, and can also be drunk in moderation.
. Do not drink the first tea (do not drink too strong tea)
The first brewing tea is used by old tea lovers to "wash tea". Caffeine , theanine, so strong tea , the first tea, are not recommended to drink.
A cup of weak tea brings at least 4 benefits
The name of the countryTraditional Chinese medicineProfessor Wang Yongjun mentioned in his acceptance of the Hangzhou Daily that his health magic weapon is three cups of green tea a day. Green tea is rich in tea polyphenols, which can resist oxidation, clear acrid, improve eyesight, and refresh the mind. Since ancient times, tea has been recognized by medical scientists as a good medicine for disease prevention and health care.
、Beneficial for vascular health
American Chinese scholar Professor Gao Xiang, together with the research team of Professor Wu Shouling from Kailuan General Hospital in Tangshan City, Hebei Province, conducted a follow-up study on 80,000 people for 6 years. They found that people who drink tea regularly can slow down The automatic loss of high-density lipoprotein makes the risk of cardiovascular disease significantly reduced. Another study found that tea polyphenols, tea pigment and other substances in tea can regulate lipid metabolism and vascular elasticity.
、Prevent Dementia
Researchers from Tohoku University conducted a 3-year follow-up on the elderly over 65 years old. The study found that the elderly who drink more than 2 cups of green tea a day on average are more likely to have dementia than those who drink less than 3 cups of green tea per week. People are half lower.
The team of Professor Luo Xianghang of Xiangya Hospital of Central South University published tea related research in "Cell Metabolism", confirming that there is a special ingredient in black tea and dark tea - the yellow tea in theaflavins Tri-3-gallate (TF2A) has significant anti-aging effects.
. Eyes and Teeth
A US study found that various compounds in green tea have protective effects on tissues associated with the cornea. In addition, a study published in the "Proceedings of the American Academy of Sciences" said that gargling with green tea can effectively prevent gum bleeding and tooth decay.
Different groups of people should choose tea in this way
For the layman, tea is divided into milk tea, lemon tea, fruit tea... For the layman, we know that tea is divided into black tea, dark tea, green tea, white tea... The types of tea There are many, but not every type of tea is suitable for everyone, nor is it suitable for everyone to drink tea.
·Easy to get angryDrink green tea and Kuding tea
Chinese medicine believes that green tea can help reduce fire, and people who often get angry can drink more; Those who have sore on the tongue and , dry throat and sore throat, are suitable for drinking Kudingcha to reduce fire.
·Physical deficiency Drinking black tea and Pu-erh tea
Compared with green tea, Kuding tea, black tea and Pu-erh are warmer in nature and less irritating to the stomach. Traditional Chinese medicine believes that black tea and Pu'er can warm the stomach, those with deficient cold constitution and the elderly should drink black tea.
·Drinking chrysanthemum tea
chrysanthemum has a fragrant smell. According to traditional Chinese medicine, anger is prosperous , and those with excessive eye use can drink chrysanthemum tea properly, which has the effect of reducing fire and improving eyesight and relieving dry eyes.
·These people are not suitable for drinking tea.
Tea contains substances such as caffeine and theophylline.. These substances will stimulate the secretion of gastric acid. Crowds, tea is not recommended. In addition, people who are allergic to tea itself should also avoid drinking tea.
Drinking tea is good for health, but it is not that the thicker the tea soup, the better. On the contrary, weak tea is less stimulating to the body and is more suitable for "new tea drinkers" to avoid causing too much stimulation to the body.
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Reference:
[1] "Some people drink tea and sleep all night, while others are not affected, which is healthier? Why? ". Wang Silu Nutritionist. 2020-03-21
[2]"Drinking tea can resist aging and prevent osteoporosis. Are you drinking it right? ”. Sanxiang Famous Doctor Online. 2020-05-13
[3] “How is the health of people who drink tea every day? A follow-up study of 500,000 people: blood sugar , blood vessels are protected". Life Times. 2021-04-17
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