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Issuing time:2022-03-24 13:29

Since ancient times, the people of our country have carried out in-depth research on the relationship between tea drinking and human health. Medical scientists at all times and at home and abroad are sure that tea has unparalleled health care functions.

Among the three major beverages today, tea has the health-care function second to none, incomparable to coffee and cocoa, and incomparable to many dazzling modern synthetic beverages.

Tea contains nutrients and medicinal components, and has been recognized by the world medical community as "the ideal drink in the atomic age" and "the best contemporary health drink".


Health benefits of tea

Scientists believe that drinking a lot of tea is one of the secrets to longevity, and the health benefits of tea have also been confirmed by modern science.

The high content of vitamin C in tea can promote fat oxidation, expel cholesterol, participate in the redox reaction of substances in the human body, and promote detoxification.


The vitamins and trace elements in tea can maintain the elasticity of blood vessels, prevent hypertension and arteriosclerosis.

In addition, tea can also stimulate the vascular center, enhance heart and kidney function, promote blood circulation, enhance glomerular filtration rate, and increase urine. Tea also contains a lot of caffeine, which has a strong diuretic effect, which can not only prevent the formation of kidney stones, lower cholesterol, but also have a good digestive effect on protein foods.


1. Soften blood vessels

Tea can enhance the elasticity of blood vessels, promote blood circulation, dilate coronary arteries, have a cardiac effect, and have a certain effect on preventing coronary heart disease, hypertension, stroke and other diseases.

Modern scientific research has confirmed that drinking green tea can significantly reduce serum total cholesterol levels and also have a significant effect on reducing serum triglycerides, revealing that green tea can alleviate and prevent cardiovascular disease and atherosclerosis.


2. Refreshing

Tea can excite the central nervous system, which is conducive to refreshing and relieving fatigue, eliminating fatigue and enhancing memory. The main role of caffeine in tea is to excite the cerebral cortex, central nervous system, respiratory center and vascular motor center.

Caffeine and theophylline can directly enhance myocardial contractility, accelerate heart rate, dilate coronary arteries, and constrict cerebral blood vessels. Therefore, drinking tea can invigorate the spirit, activate thinking, and eliminate fatigue.


3. Slow down aging

Many studies have confirmed that the tannic acid contained in tea is a powerful antioxidant, its ability to neutralize oxidation is 18 times that of vitamin E, and it can play an anti-aging effect in the human body.

According to the theory of the relationship between cell chromosomes and aging, the main cause of aging is the breakage of cell chromosomes, and the tannic acid in tea can prevent the chromosomes from breaking due to oxidation, thus delaying aging.


4. Blood pressure lowering effect

Hypertension is a common human disease and is a clinical syndrome characterized by continuous increase in arterial blood pressure. It has been proved that catechins (especially ECG and EGCG) and theaflavins in tea have obvious inhibitory effects on the activity of angiotensin I converting enzyme.

Drinking more green tea at the same time is beneficial for people who are prone to stroke and vascular congestion, because it can keep blood vessels elastic, eliminate vasospasm, and prevent blood vessel rupture.

In addition, caffeine and catechins in tea can relax blood vessel walls, increase the effective diameter of blood vessels, and reduce blood pressure through vasodilation.


5. Reduce the harm of radiation

After the atomic bombing of Hiroshima, Japan relocated victims to tea districts to live and drink large quantities of high-quality green tea, not only still alive, but also in good health, a survey found that tea is a promising antidote to radiation.

Some people use green tea, black tea and polyphenols extracted from tea to conduct experiments, and the results show that tea can be absorbed in a shorter time than the isotope reaching the bone marrow.

Article classification: 茶叶知识
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