? Eliminate fatigue?
The caffeine contained in black tea excites the nerve center by stimulating the cerebral cortex, so it has the effect of waking up and refreshing the brain. The blood vessels and the heart have an excitatory effect, can accelerate blood circulation. Promote metabolism, accelerate lactic acid (muscle fatigue substances) excretion, with the effect of eliminating fatigue.
Preventing colds?
The flavonoids in black tea have the effect of killing toxic bacteria in food and making the influenza virus non-infectious. In addition to preventing colds, gargling with black tea when you have a sore throat due to a cold is also effective.
Anti-thrombosis?
The polyphenol antioxidants contained in black tea have obvious anticoagulant and pro-fibrinolytic effects, which can prevent the formation of blood cinnamon.
Anti-inflammatory and antiseptic?
The catechins in black tea can combine with bacteria to make their proteins coagulate and precipitate, thus inhibiting and eliminating pathogenic bacteria. Therefore, bacillary dysentery and food poisoning patients fed black tea is favorable to the condition; in folklore, if it is suffering from bedsores and ringworm, also commonly used black tea coated.
? Diuretic?
Black tea contains caffeine and aromatic substances, and the combined effect of the two can increase blood flow to the kidneys, dilate the renal microvessels, and improve the glomerular filtration rate; at the same time, it can inhibit the reabsorption of water in the renal tubules, which leads to an increase in the amount of urine, which is conducive to the body's excretion of lactic acid, uric acid, salts and other harmful substances.?
Withdrawal of cold?
Black tea is warm and sweet, and has the effect of generating heat and warming the abdomen, which can enhance the body's ability to adapt to the cold, so it is appropriate to drink black tea in winter. And black tea contains less tea polyphenols, stimulation of the spleen and stomach and the weak spleen and stomach people have and the role of the stomach.
Regulate blood sugar?
Black tea contains theobromine, theaflavin, etc. has the role of promoting the body's production of insulin, can assist in regulating blood glucose stability, effective prevention and treatment of myocardial infarction.
Anti-aging
? The theaflavins and thearubigins in black tea have strong antioxidant properties, and when consumed, they can effectively alleviate free radical damage to the skin and cardiovascular system, and combat aging.
? Anti-cancer
An experimental study has shown that black tea has the effect of blocking the formation of carcinogenic compounds nitroso compounds, blocking rate of 65%. Regular consumption of black tea can reduce the risk of skin cancer.?
Preventing osteoporosis?
After black tea is brewed, 70 percent of the potassium can be dissolved in the tea, and black tea also contains manganese. Potassium can prevent or reduce the consumption of calcium in the body, manganese is also one of the indispensable elements of bone structure. Therefore, drinking black tea regularly helps prevent osteoporosis.
Anti-memory loss?
In a certain range, the content of acetylcholine level in the body is positively correlated with memory. For example, people with Alzheimer's disease have very low levels of acetylcholine in their brains. Drinking black tea can maintain the brain's acetylcholine level and prevent memory loss.?
Black tea suitable for people?
Because black tea has the effect of warming the stomach and benefiting the spleen, it is suitable for people with a weak and cold constitution to drink, and it is most suitable to drink sweet and warm black tea in the cold winter.