Black tea is a kind of fully fermented tea. It is dark brown, oily, fragrant and sweet, so it is called black tea. Its effect is mainly to strengthen the stomach and eliminate food, diuresis and swelling. The first is the effect of black tea, which can refresh and eliminate fatigue. Because black tea can excite nerve center, accelerate blood circulation, facilitate metabolism, make people focus on and eliminate fatigue.
Second, black tea has the function of promoting the production of body fluid and clearing away heat. The polyphenols, sugars, amino acids and pectin in black tea can stimulate the secretion of saliva. The caffeine contained in black tea can control the temperature center of the hypothalamus, maintain the physiological balance in the body, and achieve the effect of promoting the production of body fluid and clearing away heat. The third effect is that drinking black tea has the effect of diuresis and detumescence. It contains caffeine, which can expand the microvascular of kidney, inhibit the reabsorption of water by renal tubules, increase the urine volume, help to eliminate the body's lactic acid, uric acid, as well as excessive salt, harmful substances, etc., so as to alleviate the edema caused by heart disease or kidney disease.
Fourth, black tea has the function of anti-inflammatory and sterilization. Catechins in black tea can combine with single cell bacteria, coagulate and precipitate proteins in cells, thus inhibiting and eliminating pathogens. People also often use thick black tea juice to smear wounds, bedsores, etc. Detoxification, the tea alkaloids in black tea can absorb heavy metals and alkaloids, and precipitate, decompose and discharge out of the body, with detoxification, detoxification health care effect.
6、 Black tea has the function of strengthening bones. Polyphenols in black tea can inhibit the activity of damaging bone cell substances. Long term use of black tea can strengthen muscles and bones and prevent osteoporosis for women. 7、 Black tea has the function of anti-aging and anti-cancer. Black tea is rich in antioxidants, which can completely destroy the transmission path of chemical substances in cancer cells, and has obvious anti-aging and anti-cancer effect.
8、 It can nourish the stomach and protect the stomach, because black tea belongs to the fully fermented tea, which can nourish the stomach and promote the digestion of the human body. If black tea is added with sugar or milk, it can also play the role of anti-inflammatory and protecting the gastric mucosa, which has a certain effect on gastric ulcer. 9、 Black tea has the effect of strengthening the heart. Black tea has an exciting effect on the vascular system and the heart. It can strengthen the heart beat, accelerate the blood circulation and metabolism.