The effect of black tea

Black tea can help gastrointestinal digestion, stimulates the appetite, diuretic, eliminate edema and strong heart function. American Heart Association have come to tea is "rich can eliminate free radicals, one of the effects of acid drinks flavonoids have, enabling to reduce the incidence of myocardial infarction" conclusion. Chinese medicine believes that tea can be divided into cold and heat, such as green tea belongs to the bitter cold drink for the summer, for the summer heat; tea, tea partial temperature, more suitable for winter drinking. As oolong tea, Iron Goddess of Mercy and other more neutral. Black tea from the Wuyi Mountain in Fujian tea area, more than green tea fermentation process to go through withering, rolling, fermenting and drying production process, are fully fermented tea. The main origin in China, Sri Lanka, India, Indonesia, Kenya. In addition to our Keemun black tea, India Assam tea, Darjeeling tea, Ceylon tea, Neil Geely tea, Sichuan red work, "Taiwan tea on the 18th," pond Township, Nantou County, Taiwan is also famous for tea items. Composition effect of black tea in the process due to chemical reactions such as oxidation of pro polyphenols decrease of 9% or more, resulting in a theaflavin thearubigins, flavonoids and other ingredients. Tannic acid component is reduced, relative to the green tea, the irritating slightly reduced, while black tea soup mostly dark red, significantly less bitter taste.

Many studies have indicated that black tea could help regulate blood sugar, but still no definitive conclusion. Expert advice practitioners Chen Liwen that in winter stomach easy uncomfortable, ice fruits people eat too much discomfort, can tea Zhuojia brown sugar, ginger slices, while slowly warm to drink, have stomach effect, the body would be more comfortable , but does not recommend drinking ice tea. Note Westerners drink hot tea, usually by adding sugar or milk to drink together, but traditional Chinese tea culture, while drinking hot tea is unsweetened tea, black tea drinks are often modern with lemon slices, and add a lot of sugar or fructose . The need to control calories and sugar intake are the best person to drink unsweetened tea. While black tea caffeine content lower than coffee, but the caffeine sensitive, easy to insomnia, emotional excitement of the people easier, or to try to avoid drinking tea or black tea containing caffeine-containing beverages such as tea and keep quiet dark sleep environment, improve sleep help. Black phosphorus, high potassium content. Most people one day a normal diet intake of phosphorus is about 900 ~ 1200 (mg) mg, but for a friend who suffers from kidney disease, 900 mg is the limit, doctors suggested that patients suffering from chronic kidney should be less milk tea, black tea and other beverages .

Refreshing eliminate fatigue

Via medical experiments found that the caffeine in black tea to the excitement by stimulating the nerve center of the cerebral cortex, contributed refreshing, concentrated thinking, and thus make the reaction more sensitive thinking, memory enhancement; it with the vascular system and heart stimulant, enhanced cardiac , thus speeding up the blood circulation to facilitate the metabolism, while promoting sweating and urination, thus two-pronged approach to accelerate the excretion of lactic acid (the muscles feel tired substances) and other body of old waste material, to eliminate the effects of fatigue.

Sheng Jin heat

Black tea can quench thirst refreshing summer drink, because tea polyphenols, sugars, amino acids, pectin and saliva to produce a chemical reaction, and stimulate the secretion of saliva, leading to the mouth feel moist and produces cool feeling; while caffeine Wenzhong Shu body under the control of the hypothalamus, regulate body temperature, it also stimulates the kidneys to promote excretion of heat and dirt to maintain the body's physiological balance.

Diuretic

The caffeine in black tea and aromatic substances combined effects of increased renal blood flow, glomerular filtration rate increase, expansion of the renal microvasculature and inhibit tubular reabsorption of water, then led to increased urine output. So conducive to rid the body of lactic acid, uric acid (gout-related), excessive salt (associated with hypertension), hazardous materials, as well as ease nephritis edema caused by heart disease or.

Anti-inflammatory

Black tea polyphenols have anti-inflammatory effects, and then through the experiment found that catechins can be combined with single-cell bacteria, protein coagulation sedimentation, thereby suppress and eliminate pathogens. Therefore, in patients with bacillary dysentery and food poisoning drinking tea quite beneficial, people have also used tea Tu wounds, pressure sores and athlete's foot.

Detoxification

According to the experiment proved that black tea in tea can absorb heavy metals and multi-alkali alkaloids, and precipitation decomposition, which is water and food contaminated by modern industry is concerned, is nothing more than a boon.

Strong bones

May 13, 2002 publication of the American Medical Association, 497 men, 540 women over 10 years of investigation, pointing out bones strong man drinking black tea, black tea polyphenols (green tea also has) inhibit bone cells destroy the vitality of substance . In order to combat a common female osteoporosis, it is recommended to take a small cup of black tea a day, adhere to a few years significantly. Such as with lemon black tea, strong bones, the effect is stronger, in black tea can also be combined with a variety of fruits, can act synergistically.

Anti-Aging

In the past five years, the U.S. government has funded more than 150 studies on green tea and black tea and its chemical composition, the findings suggest that green tea and black tea antioxidants can completely destroy the cancer cells in the propagation path of chemical substances. ? Boston, Beth Israel Deaconess Medical Center, Murray, director of epidemiology dense vascular Terman doctor said: "the effect of black tea and green tea roughly the same, but much more complex than black tea antioxidant green tea, it is especially beneficial for the heart." . U.S. magazine reported that black anti-aging effect is stronger than garlic, broccoli and carrots. [6]

Stomach Huwei

Black tea

People did not eat when drinking green tea will feel stomach discomfort, it is because the important material contained in tea - polyphenols have convergence, the stomach has some stimulating effect, in the case of fasting is more irritating strong. The tea is not the same. It is made of fermented baked. Black tea is not only not Shang Wei, but can stomach. Regular consumption of sugar, add milk tea can diminish inflammation, protect the gastric mucosa, the treatment of ulcers also have some effect.

Cancer

About tea has anti-cancer effect is very popular saying, researchers around the world have done a lot of exploration on this, but is generally believed that the anticancer effects of tea mainly in green areas, have made new progress. The study found that black tea with green tea, same as there is a strong anti-cancer effects.

Vasodilation

American medical profession a black tea-related research. The study found that heart patients to drink four cups of black tea a day can increase the degree of vasodilation 10% from 6%. Ordinary people after stimulation, the relaxation degree will increase 13%.