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The efficacy and role of green tea and green tea brewing method

Green tea is one of the most unique types of tea drinks in life, this tea can give you a different kind of feeling, in fact, green tea can effectively dissolve phlegm, for the human body has a lot of benefits, at the same time, green tea if you simply smell is also very quiet, and he has a unique health care for human beings, green tea can be sterilized, and at the same time is a lot of want to lose weight of the female friends of favorite, green tea, green tea, green tea, green tea, green tea, green tea, green tea, green tea, green tea, green tea, green tea, green tea, green tea, green tea, green tea, green tea. The flavor of green tea is very refreshing, but also effective in relieving the heat, it also has other different roles. Take a look.

First, the green tea brewing method

1. on the cast method: the first one-time to the tea cup (tea bowl) in the injection of hot water, to be the temperature of the water is moderate, and then put the tea leaves. This method is more applicable to the tender fried green (such as the special Longjing, special Bi Luochun, special Xinyang Mao Jian, Liu An Gua Pian, the old bamboo generous, etc.), tender baking green (such as the Zhuxi Longfeng, Tingxi Lanxiang, Mount Huangshan Maofeng, Taiping Monkey Kui, Jingting green snow, etc.) and other tenderness is very good. Green tea. This method of water temperature should be mastered very accurately, the more tenderness of good tea, the lower the water temperature requirements, some tea can wait until 70 ℃ when put. Therefore, the usual drinking operation is more difficult, not very convenient.

2. Medium throw method: after putting tea leaves, first inject one-third of the hot water (especially for the tea leaves just taken out of the refrigerator), and then fill up the hot water after the tea leaves have absorbed enough water and stretched out. This method is suitable for the green tea which is tender but very loose or tight (such as Yingshan Yunwu, Bamboo Leaf Green, Wuyuan Mingmei)

3. Downward casting method: put tea leaves first, and then inject enough hot water into the teacups (teabowls) at one time. This method is suitable for general green tea with poor tenderness.

4. first cool and then hot method: put the tea leaves, first with a little drinkable cool water at room temperature steeped for about three minutes, so that the tea leaves to absorb enough water, fully stretch, in the hot water at a time to inject enough. At this time the hot water temperature requirements can be slightly higher, 85-95 ℃. Winter water temperature in 100 ℃ can also be. This method is suitable for brewing tea at all levels of tenderness, but to master just right.

Second, what kind of green tea is the best

Picking season

Green tea is the best in spring tea, followed by winter tea. Therefore, it is better and fresher to buy in spring. If you buy in the summer and fall, not only is the quantity small, but the spring tea is usually too fresh when stored up to this point.

Green tea is usually made by picking young buds. When the buds are roasted, they form white fuzz, known as white hairs or silver hairs, which make them a better tea.

Pay attention to the date of manufacture

When purchasing packaged green tea, special attention should be paid to the date of manufacture and shelf life, in principle, the fresher the better. Once opened, to drink as soon as possible, so as not to lose the fresh flavor and nutrition of green tea.

A look at the color. Where the color green, tea leaves fat and thick, or more white hair is generally spring tea.

Second look at the shape. Flat green tea tea strip flat, straight and smooth, no yellow spots, no green leaf stalks is good tea; curly-shaped or screw-shaped green tea, thin and tight cords, white hair or front seedling revealed that the raw materials are good, fine workmanship.

Three smell aroma. The aroma is fresh and rich, slightly ripe chestnut aroma is good tea.

Third, green tea effect and role

Summer is often the time of the greatest solar radiation, this time you can take a variety of choices with the green tea factor of things coated in the face, so that, even if it is irradiated by the sun, but also will not allow their skin to be damaged by the sun, while also being able to enhance the resistance of their skin to solar radiation. The ability to resist solar radiation.

Many people face the computer for a long time, especially for some white-collar people, their time on the computer is often several times the rest of the time, so in this case, we must reduce the radiation, for example, you can drink a few cups of green tea to reduce the radiation, or to say that more drink some things that contain vitamin A this, such as if you can improve the visual acuity, green tea is a lot of eye people's favorite! The first thing you need to do is to get your hands on a cup of green tea.

Because the quality of real life to improve, so every family has the ability to afford to eat meat food, of course, with the improvement of life, the human body suffers from the frequency of disease is also very high, so at this time we intake of excessive cholesterol, we must let their bodies to reduce the intake of this substance, and at the same time, to effectively discharge too much fat, you may wish to choose the green tea, which helps to digest, reduce excessive fat intake, and to reduce the amount of fat, the green tea, the green tea, the green tea, the green tea can help digestion. The first thing you need to do is to get rid of your own cholesterol, and you'll be able to get rid of it.

Fourth, often drink green tea or can prevent Alzheimer's disease

Reportedly, Kanazawa University Neurology Professor Yamada Masahito's research team, five years ago, 723 people over 60 years old did not suffer from dementia in the elderly drinking green tea frequency questionnaire survey. And 490 of them were categorized into three groups: "not at all", "1-6 times a week", and "every day", and were followed up for five years.

The results showed that 43 of the 138 people in the "don't drink at all" group were diagnosed with mild cognitive impairment after five years, accounting for 31% of the entire group. Of the 195 people who "drank it 1-6 times a week," 29 were diagnosed with mild cognitive impairment, accounting for 15 percent of the group. Of the 157 people who drank green tea every day, 18 were diagnosed with mild cognitive impairment, or 11% of the entire group.

In addition the results of the study also suggest that it may be due to the fact that green tea also has a high concentration of polyphenols such as catechins, populins, etc., which have dementia-preventive properties. Prof. Yamada said, "Further research will be conducted to link the study of the components contained in green tea to the prevention of dementia."