The combination of caffeine and aromatic substances in black tea increases renal blood flow, improves glomerular filtration rate, dilates renal microvessels, and inhibits renal tubular reabsorption of water, thus contributing to increased urinary output. So it is beneficial to rule out the body of lactic acid, uric acid (with gout), excessive salt (with high blood pressure), pests and so on, and to ease edema caused by heart disease or nephritis.
Anti-inflammatory sterilization effect
Polyphenols in black tea have the anti-inflammatory effect, and then it is found through experiments that catechins can bind to single-cell bacteria to coagulate and precipitate proteins, thereby inhibiting and eliminating pathogenic bacteria. Therefore, bacterial lacrimal and food poisoning in patients with black tea is quite beneficial, folk also commonly used tea coated wounds, bedsores and Hong Kong feet.
Zheng Shan Xiao Zhong, tea polygonatum in black tea can adsorb heavy metals and alkaloids, and precipitation decomposition, which for drinking water and food industries polluted by modern people, is a blessing.
Refreshing fatigue effects
Through medical experiments found that caffeine in black tea stimulates the cerebral cortex to excite the nerve center, promote refreshing, concentrated thinking, and thus make the thinking reaction more sharp, memory enhancement; it also has the vascular system and the heart with an exciting role in strengthening heart. Therefore, blood circulation is accelerated to facilitate metabolism while promoting sweating and diuresis, thereby accelerating the excretion of lactic acid (substances that make the muscles feel tired) and other old waste substances in the body to achieve the effect of eliminating fatigue.
Fluid heat effect
Drinking black tea in summer can quench thirst and refreshing, because the tea polyphenols, carbohydrates, amino acids, pectin and saliva produce chemical reactions and stimulate saliva secretion, resulting in oral moisture, and produce a sense of cool; while caffeine control The hypothalamus’s central body temperature, regulate body temperature, it also stimulates the kidneys to promote heat and dirt excretion, maintain the body’s physiological balance.
Antioxidants in green tea and black tea can completely destroy the pathways of chemicals in cancer cells. The effectiveness of black tea and green tea is roughly the same, but the anti-oxidant of Ostwald is much more complex than green tea, especially for the heart. American magazine reports, anti-aging effect of Lapsang Souchong is stronger than garlic head, broccoli and carrots.
People who do not eat will feel uncomfortable when drinking green tea stomach, this is because the important substance contained in tea – tea polyphenols with convergence, the stomach has a certain stimulating effect in the case of fasting more irritating Strong. The black tea is different. It is made by fermentation baking, tea polyphenols in the role of oxidase enzyme oxidation reaction occurs, reduce the content of the stomach irritation will be reduced. Masamori Kobayashi not only does not hurt the stomach, but can nourish the stomach. Regular consumption of sugar, add milk, black tea, anti-inflammatory, protect the gastric mucosa, the treatment of ulcers also have some effect.
The claim that tea has an anti-cancer effect is very popular and many researchers around the world have done many explorations. Traditionally, the anticancer effect of tea has generally been characterized by green tea. However, some studies have found that black tea, like green tea, also has a strong anti-cancer effect.