1. Effects of green tea

1. Anti-aging

It helps to delay aging. Tea polyphenols have strong antioxidant properties and physiological activity. It is a scavenger of free radicals in the human body. Studies have proven that 1 mg of tea polyphenols is as effective as 9 micrograms of superoxide dismutase in scavenging excess free radicals that are harmful to the 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 Takuyu Okuda in Japan, it is confirmed that the anti-aging effect of tea polyphenols is 18 times stronger than that of vitamin E.

2. Suppress disease

Help inhibit cardiovascular disease. Tea polyphenols play an important role in human body fat metabolism. The human body has high levels of cholesterol, triglycerides, etc., fat deposits on the inner walls of blood vessels, and vascular smooth muscle cells proliferate to form atherosclerotic plaques and other cardiovascular diseases.

Tea polyphenols, especially the catechins ECG and EGC in tea polyphenols and their oxidation products theaflavin, help inhibit this patchy proliferation and enhance the viscosity of blood coagulation. The fibrinogen is reduced, coagulation becomes clear, thereby inhibiting atherosclerosis.

3. Anti-carcinogenic

Help prevent and fight cancer. Tea polyphenols can block the synthesis of various carcinogens such as ammonium nitrite in the body, and have the effect of directly killing cancer cells and improving the body's immunity. According to relevant data, tea polyphenols in tea are beneficial to the prevention and auxiliary treatment of various cancers such as gastric cancer and intestinal cancer.

2. Effects of green tea

1. Improve hearing

Oolong tea has beauty, detoxification, convenience and antioxidant activities, and can eliminate reactive oxygen molecules in cells. and other effects. Middle-aged and elderly people often drink oolong tea to help maintain hearing.

The protective effect on men’s hearing is significantly greater than that of women. Although drinking oolong tea has a health-care effect on hearing, you should not drink too much. The appropriate amount of tea to drink per day is 1 to 2 cups.

2. Weight loss effect

Oolong tea has the weight loss effect of dissolving fat. Because tannic acid, the main component in tea, is closely related to fat metabolism. Oolong tea can lower cholesterol levels in the blood.

Compared with black tea and green tea, oolong tea can not only stimulate the activity of pancreatic lipolytic enzymes and reduce the absorption of sugar and fatty foods, but also accelerate the body's heat production and promote fat burning. Reduce belly fat accumulation.

Extended information:

1. Taboos on drinking green tea

1. Taboo on drinking green tea for the first time: Because tea is exposed to harmful effects such as pesticides during cultivation and processing There is always a certain amount of residue on the surface of tea leaves due to contamination from substances.

2. Avoid drinking tea on an empty stomach: Drinking tea on an empty stomach can dilute gastric juice and reduce digestive function, causing a large amount of undesirable ingredients in tea to enter the bloodstream, causing symptoms such as dizziness, palpitation, and weakness in limbs.

3. Drink less new tea: Because new tea has a short storage time, it contains more unoxidized polyphenols, aldehydes, alcohols and other substances, which have strong irritation to the human gastrointestinal mucosa. It can easily induce stomach problems. You should avoid drinking new tea that has been stored for less than half a month.

4. People with cold stomach should not drink too much, as excessive drinking will cause gastrointestinal discomfort. People with neurasthenia and those with insomnia should not drink tea before going to bed. Women who are breastfeeding should also drink less tea. Tea has a convergent effect on milk.

5. Avoid taking medicine with green tea and avoid drinking overnight tea. The tannic acid in green tea will combine with many drugs to form precipitation, hindering absorption and affecting drug efficacy.

2. Taboos for drinking green tea

1. First, do not drink it on an empty stomach, otherwise you will feel hungry, dizzy and vomiting, which is called "tea drunkenness";

2. Second, do not drink it before going to bed, otherwise it will be difficult to fall asleep;

3. Third, do not drink cold tea, which is cold in nature and bad for the stomach.

4. These three taboos are particularly important for first-time drinkers of oolong tea, because oolong tea contains more tea polyphenols and caffeine than other teas.

Baidu Encyclopedia--Green Tea

Baidu Encyclopedia--Green Tea