Green tea is one of the main tea leaves in China, which refers to a beverage made from the new leaves or buds of tea trees without fermentation, and through the processes of enzyme fixation, shaping and drying. The color of the finished product and the brewed tea soup retain the green style of the new tea. Next, I will introduce the efficacy and function of green tea to you. Come and have a look!

Efficacy and function of green tea

beauty and skin care

Tea polyphenols are water-soluble substances, which can remove greasy face and astringe pores, and have the effects of disinfection, sterilization, anti-aging and reducing the damage of ultraviolet rays in the sun to the skin.

Refreshing.

Caffeine in tea can stimulate the central nervous system of human body, enhance the excitement process of cerebral cortex, and has the functions of refreshing the brain, clearing away heart fire and calming the nerves. It also has a certain effect on relieving migraine.

Diuretic relieving fatigue

Conducive to diuresis and relieve fatigue. Caffeine in tea can stimulate the kidney, promote the rapid excretion of urine, improve the filtration rate of the kidney and reduce the retention time of harmful substances in the kidney. Caffeine can also eliminate excessive lactic acid in urine, which helps to eliminate fatigue as soon as possible.

Relieve fatigue

Green tea contains powerful antioxidants and vitamin C, which can not only eliminate free radicals in the body, but also secrete hormones against stress. A small amount of caffeine contained in green tea can stimulate the central nervous system and cheer up the spirit. Because of this, we suggest drinking green tea in the morning to avoid affecting sleep.

Anti-wrinkle

It is helpful to delay aging. Tea polyphenols have strong antioxidant and physiological activity, and are free radical scavengers in human body. Studies have proved that 1 mg tea polyphenols is equivalent to 9 micrograms of superoxide dismutase in scavenging excessive free radicals harmful to human body, which is much higher than other similar substances. Tea polyphenols can block lipid peroxidation and remove active enzymes. According to the test results of Tomoyo in Ota, Japan, it is confirmed that the anti-aging effect of tea polyphenols is stronger than that of vitamin E 18 times.

Suppress disease

Tea polyphenols can inhibit cardiovascular diseases and play an important role in human fat metabolism. The human body has cardiovascular diseases such as high cholesterol and triglycerides, such as fat deposition on the inner wall of blood vessels and atherosclerotic plaques formed after vascular smooth muscle cells proliferate. Tea polyphenols, especially catechins ECG and EGC in tea polyphenols and its oxidation products theaflavins, are helpful to inhibit this mottled proliferation, reduce the formation of fibrinogen that enhances coagulation viscosity, make coagulation clear, and thus inhibit atherosclerosis.

anticancer

Helps prevent and fight cancer. Tea polyphenols can block the synthesis of carcinogens such as ammonium nitrite in the body, which can directly kill cancer cells and improve the immunity of the body. According to relevant data, tea polyphenols in tea are beneficial to the prevention and adjuvant treatment of cancers such as gastric cancer and intestinal cancer.

Antiviral bacteria

Tea polyphenols have strong convergence, obvious inhibition and killing effects on pathogenic bacteria and viruses, and obvious anti-inflammatory and antidiarrheal effects. Many medical units in China use tea preparation to treat acute and chronic dysentery, amebic dysentery and influenza, and the cure rate is about 90%.

Protecting teeth and improving eyesight

The fluorine content in tea which is helpful for protect teeth and improving eyesight is high, and that fluorine content in each100g of dry tea is10mg? 15 mg, and 80% is water-soluble. If everyone drinks 10g tea every day, can they absorb 1mg of water-soluble fluoride? 1.5 mg, and tea is an alkaline beverage, which can inhibit the decrease of calcium in human body, and is beneficial to preventing dental caries, protecting teeth and strengthening teeth. Among primary school students? How to rinse your mouth after drinking tea? Tests show that the rate of dental caries can be reduced by 80%. Among cataract patients, 28.6% have the habit of drinking tea. 7 1.4% have no habit of drinking tea. This is because vitamin C and other ingredients in tea can reduce the turbidity of eyes, and drinking tea often has a positive effect on reducing eye diseases, protecting eyes and improving vision.

Reduce harmful blood lipid

Is it helpful for lowering blood fat and helping digestion? What role does tea in Tang Dynasty play in herbal tonic? Long-term eating can make people thin? Record. What are the ethnic minorities in the border areas of China? Can't you drink tea for a day? Said. Because tea helps digestion and reduce fat, in modern language, it helps? Lose weight? . This is because caffeine in tea can increase gastric juice secretion and help digestion. In addition, green tea is rich in catechins, which helps to reduce abdominal fat.

Taboo of drinking tea

1, it is forbidden to drink tea all over the body: because tea is polluted by harmful substances such as pesticides during planting and processing, there will always be some residues on the surface of tea.

2, avoid drinking tea on an empty stomach: drinking tea on an empty stomach will dilute gastric juice and reduce digestive function, resulting in a large number of bad ingredients in tea entering the blood, causing dizziness, palpitation, limb weakness and other symptoms.

3, drink less new tea: because the new tea has a short storage time, it contains more unoxidized polyphenols, aldehydes and alcohols, which has a strong stimulating effect on the human gastrointestinal mucosa and is easy to induce stomach problems. New tea stored for less than half a month should be avoided.

4, people with cold stomach should not drink too much, too much will cause gastrointestinal discomfort. People with neurasthenia and insomnia should not drink tea before going to bed, and lactating women should also drink less tea. Tea has astringent effect on milk.

5, avoid taking medicine with green tea, avoid drinking overnight tea. Tannic acid in green tea will combine with many drugs to produce precipitation, which will hinder absorption and affect the efficacy.

The right crowd

1, suitable for people with hypertension, hyperlipidemia, coronary heart disease, arteriosclerosis, diabetes, greasy food and drunkenness.

2, long-term smoking and drinking too much, fever and thirst, headache and dizziness, unfavorable urination and eating too much dairy products are also suitable for eating.

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