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Green tea refers to all fresh leaves that are killed, rolled and dried at high temperature (without fermentation), and the quality has the characteristics of green dry tea, green soup and green at the bottom of the leaves, which is called green tea. It is divided into different production methods: fried green, baked green, steamed green, and sun-dried green, with different quality characteristics.
1) Fried green tea: All green tea that is fried dry in a pot is called fried green tea. (Such as Longjing, Biluochun, Yuhua Tea, etc.).
2) Roasted green tea: All green tea dried in a drying cage or dryer is called roasted green tea. (Such as Huangshan Mao Peak, Taiping Monkey Kui, Gaoqiao Silver Peak, etc.).
3) Sun-dried green tea: All green tea that is dried in the sun or dried first and then roasted, and dried first and then fried are called sun-dried green tea. (Yunnan Qing, Sichuan Qing, Shaanxi Qing, etc.).
4) Steamed green tea: All green tea made by steam killing process is called steamed green. (Sencha, Gyokuro, etc.).
Green tea is unfermented tea, and the process of green tea retains the active ingredients in the tea leaves to the greatest extent. It has natural color, aroma, taste and shape, especially the high content of vitamin C and tea polyphenols, and green tea is superior to other teas in terms of nutrition and health care from drinking tea. The benefits of green tea can be summarized as:
It has the effects of antibacterial, thirst-quenching, clearing the heart and eyes, diuretic and detoxifying, eliminating food and greasy, supplementing nutrition, relieving fatigue, strengthening the heart and lowering blood pressure, anti-cancer, anti-radiation, preventing arteriosclerosis and hypertension, delaying human aging, and promoting human metabolism and fat oxidation. (Tea ceremony Nakahito ed.).
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Green tea, also known as unfermented tea. Tea is made from suitable tea tree shoots as raw materials, through typical processes such as killing, rolling, and drying. The color of its dry tea and the tea soup after brewing, and the bottom of the leaves are mainly green, hence the name.
The characteristics of green tea retain more of the natural substances in the fresh leaves. Among them, tea polyphenol caffeine retains more than 85% of fresh leaves, chlorophyll retains about 50%, and vitamin loss is also less, thus forming the characteristics of green tea with "clear soup and green leaves, strong taste astringency". The results of the most scientific research show that the natural substances retained in green tea have special effects on anti-aging, anti-cancer, anti-cancer, sterilization, anti-inflammatory, etc., which are unmatched by other teas.
Green tea has an anti-cancer effect, so the rumors on the internet are false.
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Especially in the summer, it's best to drink some green tea because I like it.
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There are a variety of teas in China, and among the many types of tea, green tea, as one of the main types of tea in China, is widely loved by everyone. Tea has a very long history in our country, and Chinese a love for tea can be seen everywhere in life.
As we all know, cancer is a result of a combination of various genetic factors, environmental factors, and some of our own lifestyle habits, and many complex factors. Instead of relying on a certain food to fight cancer, it is better to change your lifestyle habits to add a workout and adjust your diet. There is no need to fight cancer as a purpose, and drink green tea violently, green tea is just a relatively delicious drink, you can drink more if you like, but don't expect it to have other effects.
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Drinking more green tea can be used to prevent cancer. Green tea contains catechols, one of the phytochemicals that were first used in anti-cancer research. Green tea contains a chemical called EGCG, which effectively inhibits the growth of breast tumors.
Two cups of green tea a day can both prevent cancer and hydrate, so it is better to drink more green tea.
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It seems to be true, there are also people around me who say that drinking green tea can prevent cancer, so we can drink some green tea in normal times, but don't drink too much.
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This is true because green tea contains tea polyphenols, a substance that can inhibit the production of cancer cells and make cancer cells afraid to approach our body.
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1. Excessive consumption of green tea, of course, is not good for the body, its main destructive effects are as follows, first of all, people who regularly drink green tea may lead to abnormal spleen and stomach function, and the absorption of some trace elements is hindered to a certain extent, especially for iron. Secondly, green tea is cool due to the medicinal properties of food. Therefore, for patients with chronic cold spleen and stomach, long-term drinking can lead to aggravation of cold symptoms, manifested as abdominal pain and cold intolerance.
2. Finally, drinks contain more additives and sugar, and excessive consumption is not conducive to blood sugar control.
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It will not cause cancer if it meets the national production standards, and the tea itself has anti-cancer, anti-cancer, bactericidal and anti-inflammatory effects. Note that tea is not a medicine.
Drinking too much green tea can cause cancer, which is basically nonsense. This is talking about compliance with national production standards.
Of course, if the green tea itself is polluted, it is difficult to say, such as the land is polluted during the growth of tea trees or the use of pesticides exceeds the standard.
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As long as there is no problem with storage, green tea will not cause cancer, and most of the tea carcinogenic tea mentioned on the Internet is black tea, black tea, and green tea that are not well preserved, and aflatoxin exceeding the standard will cause cancer.
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Green tea has anti-cancer effects:
Green tea has an inhibitory effect on some cancers, but its principle is limited to the inference stage. To prevent the occurrence of cancer, drinking more tea must have its positive encouraging effect.
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Hello, drinking green tea has antioxidant, anti-cancer, vitamin and trace element supplements. It doesn't cause cancer, don't worry.
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Tea contains both carcinogens such as tannic acid and theophylline, as well as anti-cancer substances such as catechins. People who are concerned about their health do not hide carcinogens. However, those who make tea only announce anti-cancer substances, and do not mention or even conceal carcinogens.
It's all about profit. However, tea carcinogens are only the third category, the carcinogenicity is relatively weak, and it contains anti-cancer substances, so as long as you use boiling water below 80 degrees to make tea, it will generally not cause cancer.
Green tea is unfermented tea. Biluochun is green tea.
There are quite a few varieties of green tea, most of which are not bitter, but have a delicate fragrance. The earlier the tea is picked, the lighter and more expensive it is (the tea picked before the Qingming Festival is called Mingqian tea, one price a day), but now there are many of them cultivated in greenhouses, which are early and have a lighter taste. >>>More
What you said about black tea and green tea is not accurate I think you mean to say raw tea and ripe tea It's winter Or should you drink cooked pu-erh Drinking raw pu-erh in winter is cool Cooked pu-erh effect is to nourish the stomach and lower lipids and blood pressure The effect of raw pu-erh is to cleanse the intestines and lower lipids and blood pressure **.
For green tea, green tea is rich in theaflavins, which is the main reason why green tea is green or yellow-green when brewed. However, for theaflavin, it will oxidize with the oxygen in the air, and if the green tea is left in the air for a long time, the theaflavins will be oxidized into thearubigin or theabrownin, which will make the brewed tea soup turn red.
1. Nutrition is different.
Although ordinary green tea contains extremely high nutrients, only 35% of the tea leaves are really soluble in water, and a large number of insoluble active ingredients are thrown away as tea residues. Experiments have proved that eating tea can absorb more nutrients than drinking tea, and one bowl of matcha contains more nutrients than 30 cups of ordinary green tea. Changing from drinking tea to eating tea is not only a reform of eating habits, but also the need to adapt to the fast-paced modern life. >>>More