What qualities have contributed to such a huge popularity of tea? Undoubtedly, first of all very soft, unique flavor, combining scents of green valleys of the South (roses, jasmine, honey, almonds, cinnamon), and neither with incomparable taste. Figuratively speaking, tea - is rich with many pharmacy miraculous properties. Tea - is a complex chemical composition of plant. If previously believed that tea contains 6.7 basic substances, they are now known to about 300. Chemical composition svezhesorvannogo green tea, dried tea leaves and tea infusions are very different. Not all chemicals are available in fresh leaves remain dry tea leaves after factory processing.
It is natural that we, first of all, interested in those substances which are contained in the infusion.
An essential part of the tea is an alkaloid - caffeine (Thein), providing a beneficial effect on the body: by acting on the nervous system, it relieves fatigue, drowsiness, enhances mental and motor activity, improves coronary circulation and digestion, regulates the activity of the kidneys. Particularly noticeable effect of caffeine in fatigue. Its content in tea leaves reaches 4-5%. Please be aware that caffeine in tea than in coffee (2-4%), but the body he has a milder effect. Fortress of tea is not determined by the amount of caffeine. His, for example, contains a lot of Chinese tea, which is made to attribute the weak. Of the other alkaloids in tea is theobromine, theophylline, adenine, guanine.
Taste of tea depends on the properties contained in the tea leaf tannins - tannins. The more of them in tea, the higher the quality of the drink. Tannins make up 15-30% of tea. In green tea contains more tannins. They give the drink a dark-brown, rough, astringent taste.
The content of tannin in tea accounts for its antimicrobial properties, so the tea has been successfully used for gargling in angina. It is also helpful to drink 5-6 glasses of tea - 2% solution of tea tannin absorbs and removes from the body about 90% of the radioactive strontium-90. Tea catechins prevent the penetration of strontium in the blood and bone marrow.
Tannins are useful in the treatment of many intestinal diseases. Decoction of leaves of tea (especially green tea) has successfully treated dysentery. The structure of tannins are tea catechins possessing the properties of vitamin E, that is a big kapillyaroukreplyayuschey activity. In the treatment of hypertension and acute nephritis glomeruli, the most promising is the use of catechins in a dose of 0.15 grams per day. They normalize the livelihoods of the protective intestinal microflora and prevent the development of the digestive tract of putrefactive processes, promote savings and better assimilation of vitamin C (ascorbic acid), strengthen blood vessels, have antiradiation effect.
Tea extract increases the acidity of gastric juice, resulting in improved appetite. The positive effect of tea on patients with cholecystitis.
Tea enhances respiratory exchange. We fans of tea lungs inhale more air and emit more carbon dioxide, that is working intensively.
Thin fragrant tea add essential oils, it contains small amounts (0.02%).
An important part of the tea leaves are proteins, amino acids, vitamins (A, P, PP, B1, B2, B15, C, K), enzymes, carbohydrates, mineral salts.
One tea-amino acids - glutamic - contributes to the restoration of a nervous breakdown. Contained in tea, vitamins dilates blood vessels, strengthen their walls, give elasticity and significantly reduce the time of capillary patency of blood, which is why tea quickly and easily removes the spasm of blood vessels. The combination of vitamin P vitamin C increases the resistance of the human organism to infectious diseases. It should be noted that in fresh tea leaves of vitamin C four times more than in the lemon, and green tea - 10 times more than in the black. In the process of complex processing of tea leaves in the air in the dryer and a large amount of this vitamin is destroyed, however, and the portion that remains gives reason to consider tea to be an active carrier of vitamin C.
Tea is useful in the treatment of hypo-and avitaminosis. Which it contains fluorine and iodine, have anti-effect, and tea fluoride helps to treat caries.
People who daily drank 2-3 cups of tea (especially green), less likely to suffer tooth decay.
Infusion or decoction of green tea is used for inflammation of the capillaries, kapillyarotoksikoze for the prevention and treatment of internal capillary hemorrhages, with glomerulonephritis, hematuria, hemorrhagic diathesis, scurvy, measles, whooping cough, scrofula, rheumatic fever, rheumatic endocarditis, chronic hepatitis B, polio, influenza A virus , trophic ulcers, lesions of the X-rays, sunstroke, burns quartz, etc.
The strong, sweet tea - antidote to alcohol and drugs. Krepkim chilled tea wash eyes with inflammatory processes. Please be aware that a high concentration of tea may cause insomnia in humans, whereas weak tea into a soporific. Scientists say that the Chinese who use a lot of tea, are known for endurance, but the Japanese - with strong nerves, endurance and strength. The Scots, who drink tea extremely high concentrations, have excellent health and live a long time.
Upon receipt of black tea, tea leaf goes through all kinds of processing. In the production of green tea from the technology eliminates the withering and fermentation. Red and yellow tea are a result of incomplete fermentation, which is a red tea is expressed much more than yellow
