One. ) 1. Green tea Anti-aging The antioxidants contained in green tea are helpful for anti-aging. Because in the process of human metabolism, if it is over-oxidized, it will produce a lot of free radicals, which are easy to age and cause cell damage. SOD (Superoxide Dismutase) is a kind of free radical scavenger, which can effectively remove excess free radicals and prevent the harm of free radicals to human body. Catechins in green tea can significantly improve SOD activity and scavenge free radicals. 2. The antibacterial research of green tea shows that catechins in green tea can inhibit some bacteria that cause human diseases, and at the same time, it will not harm the reproduction of beneficial bacteria in the intestine, so green tea has the function of whole intestine. Studies have shown that tea polyphenols can eliminate excessive harmful free radicals in the body, regenerate efficient antioxidant substances such as α-VE, VC, GSH and SOD in the human body, thus protecting and repairing the antioxidant system, which has a significant effect on enhancing immunity, preventing cancer and preventing aging. Drinking green tea for a long time can reduce blood sugar, blood lipid and blood pressure, thus preventing cardiovascular and cerebrovascular diseases. The medical research team of Showa University in Japan diluted 1 ml tea polyphenols solution to 1 of the concentration of ordinary tea, and put it into 10000 highly toxic Escherichia coli 0- 157. Five hours later, all the bacteria died, leaving none. 3. Animal experiments made by green tea scientists show that catechins in tea can reduce the contents of total cholesterol, free cholesterol, low-density lipoprotein cholesterol and triglyceride in plasma, and at the same time increase high-density lipoprotein cholesterol. Human experiments show that it can inhibit platelet aggregation and reduce the incidence of arteriosclerosis. Green tea contains flavonol, which has antioxidant effect, prevents thrombosis and platelet aggregation, and reduces cardiovascular diseases. 4. Green tea slimming and fat reduction Green tea contains theophylline and caffeine, which can activate protein kinase and triglyceride lipolytic enzyme through various functions, reduce the accumulation of fat cells, and thus achieve the effect of losing weight. 5. Green tea can prevent dental caries and remove bad breath. Green tea contains fluorine, in which catechins can inhibit the action of dental caries bacteria and reduce the occurrence of dental plaque and periodontitis. Tannic acid contained in tea has bactericidal effect, which can prevent food residues from breeding bacteria, so it can effectively prevent bad breath. 6. Green tea anti-cancer Green tea has an inhibitory effect on some cancers, but its principle is limited to the inference stage. Drinking more tea is bound to have a positive encouraging effect on preventing cancer. 7. Green tea whitening and ultraviolet protection experts found in animal experiments that catechins in green tea can resist skin cancer caused by UV-B. 8. Green tea can improve indigestion. Recent research reports show that green tea can help improve indigestion, such as acute diarrhea caused by bacteria. You can drink a little green tea to relieve your illness. Green tea belongs to health tea, which has the functions of removing fat, relaxing bowels, strengthening the body, refreshing the brain, diuresis, anti-aging, anti-radiation, anti-inflammatory and sterilization. The most important reason why Pu 'er tea is sought after is its health care and fitness effect. In the past, people in the Pearl River Delta, Hong Kong and Taiwan drank a lot, mainly to pay attention to this. Two. Pu 'er tea was once called "tea for the elderly", but now it is "tea for women", which reflects that with the progress of science and technology, people have a deeper understanding of it. Mr. Lin summarized the functions of Pu 'er as "three links and one leveling", namely, ventilation (respiratory system), blood circulation (circulatory system) and Gu Dao (excretory system). Ping means that the human body is always connected and the body functions are naturally balanced. In recent years, the research on Pu 'er has become increasingly prosperous. Open the Internet and enter the word "Pu 'er". There are all kinds of information about its latest health benefits. Japan, South Korea and other countries have invested a lot of energy in the research and development of Pu 'er, and have also produced many achievements. This made public opinion propaganda for Pu 'er to go to the world ahead of time, and also showed that Pu 'er was invented in China. The best Pu 'er is in mainland China, but Pu 'er will benefit all mankind. Modern research on the efficacy of Pu 'er tea * * * lists these 20 operations, namely, weight loss, lipid lowering, prevention and treatment of arteriosclerosis, prevention and treatment of coronary heart disease, blood pressure lowering, anti-aging, anti-cancer, blood sugar lowering, antibacterial and anti-inflammatory, smoke poisoning reduction, heavy metal reduction, radiation resistance, central nervous system excitement, diuresis, dental caries prevention, eyesight improvement, digestion assistance, anti-toxicity, sterilization, constipation prevention, hangover relief and others. Some functions are as follows. Here is a brief introduction to the functions and mechanisms of the main substances in tea. In judging the year of Pu 'er tea, there are not many aged teas on the market, so it is difficult to judge. In principle, the smell of Pu 'er tea cake can be used as one of the references to judge the age. There should be five to ten years of Chen Fang's sweet taste, three to five years of mediocre taste without miscellaneous taste, and all raw and miscellaneous tastes belong to new cakes. Finally, you can also look at the looseness of tea cakes, because tea cakes will be loose after long-term exposure to air. Pu 'er is a town in Yunnan, China, which is famous for its tea trade. There are many kinds of Pu 'er tea (oxidized tea) here, but they are not planted and manufactured in cities and towns. Most of the "oxidized tea" from the place of origin was once exported from Pu 'er Town (that's how this tea got its name). For a long time, due to social instability and disasters, tea trade has decreased. Pu 'er tea comes from the change of tea, that is, "big leaves". The big leaf type is propagated from 1800-year-old tea tree. This big leaf tea variety is evergreen (arbor? ) can be most suitable for the increase of warmth and humidity. Pu 'er tea was changed in a miraculous process to promote the development of active yeast culture. Two beneficial yeasts that produce the unique personality of Pu 'er tea are yellow yeast and white yeast. When the ambient temperature is relatively high (spring &; In summer), yellow yeast is in the most active cycle, and its reproduction speed is faster. This is why Pu 'er tea is called "oxidized tea". At this stage, tea cakes are constantly being oxidized. So drinking Pu 'er tea is the best at this stage. White yeast will become very active when the air humidity is high. At this stage, white yeast ferments tea, which can make tea mature. Pu 'er tea cannot be called Pu 'er tea if it is not made of two kinds of yeast. However, the active periods of the two yeasts may be slightly different. Therefore, if the yellow yeast always causes mildew, then the tea cake is either immature or the quality becomes bad. Most of Pu 'er tea is aged and forms its own personality in the process of many seasons. Good Pu 'er tea is better as it ages, just as some good wines are better as they pass through Chen Fang. Pu 'er tea has yin (cold) gas. After aging, energy will be transferred to more yang (warm) energy. It is typical to compare young Pu 'er tea with 3-year Pu 'er tea, which is used to adjust the balance of traditional Chinese medicine in human body. As Pu 'er tea is a kind of life tea, it is appropriate to store it in a place that allows fresh air to flow and provides a warm and humid environment. Pu 'er tea comes from Yunnan Plateau and is a unique variety of pressed tea (black tea) family. Most of them are brick-shaped, tuo-shaped and cake-shaped, with a long history. Some people praise the benefits of Pu 'er tea: the taste is light at first, and the more you drink it, the stronger it will be, but it will never hurt your stomach. Digestion and greasy removal are the characteristics of this kind of tea. Raw seafood, coarse grains, too full, and a cup or two of Pu 'er tea are extremely comfortable to keep. Soon I felt hungry again and could eat again. It is reported that Hong Kong people like to drink Pu 'er tea, and it is uncomfortable not to touch Pu 'er tea for a few days. Hong Kong consumes more than 6,000 tons of Pu 'er tea every year, and the average person drinks more than 1 kg a year. Xi Anren drank too much Pu 'er tea, so he ate a bowl of steamed buns or a plate of steamed meat, drank two cups of Pu 'er tea brewed by his boss, and then left with a comfortable stomach and satisfaction. Of course, these Pu 'er teas are cheap and suitable for the public. So in Xi 'an's teahouse, Pu 'er tea is less. Even if there is, most of them are crowded in an inconspicuous corner. The high-grade Pu 'er tea, which only recently appeared in Xi 'an, is naturally expensive, and the popularity favored by tea customers has not yet risen. Xi people are used to green tea and scented tea, and accept oolong tea and Tieguanyin, but it takes time to adapt to Pu 'er tea. Pu 'er tea ranks among the antique circles, which is appreciated by many people and appreciated by speculation. It is regarded as winning face and honor for tea people. But tea, after all, is a taste of the mouth. Pu 'er tea is old, fragrant and expensive, mellow, and has been hidden for a long time. What will it taste like? Professor Deng Shihai of Taiwan Province Provincial Normal University recorded in his masterpiece Pu 'er tea that Pu 'er tea is "colored soup, but it tastes old and weak." I began to like Pu 'er tea because I felt the beauty of digestion and stomach nourishing. I drank it at home, and my friend came over and changed the wine to Pu 'er tea. When I was eating in a restaurant, I joked that I wanted a pot of "antiques". Seeing the waiter with a blank face, he changed his mouth and let out a cry, a pot of Pu 'er tea. Three. ) raw pu is not as thorough as fermentation, but cooked pu is the opposite. The difference in taste is that the cooked pu has a little musty taste, while the raw pu is slightly bitter. Washing tea, like other teas, can filter out Pu 'er tea with 80-degree water for 20 seconds without drinking the first sip. If cooked, it can nourish the stomach, beautify and lose weight. The weight loss effect of raw tea is better than that of cooked tea, but people with bad stomach should drink it in moderation. Also, the color of raw Pu 'er will be darker than that of cooked Pu 'er, and the taste will be a little bitter. The color of cooked Pu 'er is not as dark as that of raw Pu 'er. I suggest you wash it twice before drinking. Because the normal way to make tea is to wash the teapot twice, and don't drink it for the first two times.