Five benefits of drinking black tea

　　1. Anti-inflammatory and bactericidal effect

　　The polyphenols in black tea have anti-inflammatory effects, and experiments have found that catechins can bind to single-cell bacteria to coagulate and precipitate proteins, thereby inhibiting and eliminating pathogenic bacteria. Therefore, it is very beneficial for patients with bacterial diseases and food poisoning to drink black tea. People also often use strong tea to apply to wounds, bedsores and athlete's foot.

　　2. Detoxification effect

　　Experiments have shown that the polyalkalis in black tea can absorb heavy metals and alkaloids, and precipitate and decompose them. This is good news for modern people whose drinking water and food are polluted by industry.

　　3. Diuretic effect

　　in black tea coffee Under the combined action of alkaline and aromatic substances, it increases the blood flow of the kidneys, improves the glomerular filtration rate, expands the renal capillaries, and inhibits the reabsorption of water by the renal tubules, thus promoting an increase in urine output. This helps eliminate lactic acid, uric acid (related to gout), excess salt (related to high blood pressure), harmful substances, etc. in the body, as well as alleviate edema caused by heart disease or nephritis.

　　4. Refreshing and fatigue-relieving effect

　　Through medical experiments, it was discovered that the caffeine in black tea excites people by stimulating the cerebral cortex. nerve The center promotes refreshing and concentration of thinking, thereby sharpening the thinking reaction and enhancing memory; it also has an exciting effect on the vascular system and heart, strengthening the heartbeat, thus accelerating blood circulation to facilitate metabolism, and at the same time promoting sweating and diuresis. This two-pronged approach accelerates the excretion of lactic acid (substances that make muscles feel tired) and other waste substances in the body, achieving the effect of eliminating fatigue.

　　5. Effect of producing body fluid and clearing away heat

　　Drinking black tea in summer can quench thirst and relieve heat because the polyphenols, sugars, amino acids, pectin, etc. in the tea react chemically with saliva and stimulate saliva secretion, causing the mouth to feel moist and cool. At the same time, caffeine controls the temperature center of the hypothalamus and regulates body temperature. It also stimulates the kidneys to promote the excretion of heat and waste and maintain physiological balance in the body.

　　In addition, black tea also has the effects of preventing caries, strengthening the stomach and intestines, aiding digestion, delaying aging, lowering blood sugar, lowering blood pressure, lowering blood lipids, anti-cancer, anti-radiation, etc.; black tea is also an excellent sports drink. In addition to relieving heat, quenching thirst, and replenishing water, if you drink it before doing exercises that require physical strength and endurance (such as marathon races), the caffeine in tea has a refreshing effect, and it can also promote the body to burn fat first to supply heat and retain liver vinegar during exercise, so people have more endurance.