2. Refreshing: Black tea contains caffeine and other substances, which can excite brain nerves, enhance human blood circulation, promote metabolism, refresh the mind and eliminate physical fatigue.
3. Diuresis and detumescence: Caffeine in black tea can dilate the renal microvasculature, inhibit the reabsorption of water by renal tubules, increase urine volume, and help to eliminate lactic acid, uric acid, excessive salt and harmful substances in the body, thus alleviating edema caused by heart disease or nephritis.
4. Nourishing and protecting the stomach: Black tea is rich in protein, which has a high health care function, can nourish the human yang, generate heat and warm the abdomen, promote digestion and appetite, and enhance the cold resistance of the human body. Adding sugar or milk to black tea can protect gastric mucosa, promote digestion and warm stomach.
5. Detoxification: Tea polyphenols in black tea can adsorb heavy metals and alkaloids and precipitate and decompose. Black tea can resist aging. Black tea contains a lot of antioxidants, and its anti-aging effect is stronger than that of garlic, broccoli and carrots.
6. Shengjin Qingre: polyphenols, sugars, amino acids, pectin, etc. Black tea reacts with saliva to stimulate saliva secretion, resulting in moist mouth and cool feeling; At the same time, under the control of caffeine, the temperature center of hypothalamus regulates body temperature, and also stimulates the kidney to promote the excretion of heat and dirt, maintaining the physiological balance in the body.
7. Strong bones: Polyphenols in black tea (also found in green tea) have the activity of inhibiting substances that destroy bone cells. Adding lemon to black tea can strengthen bones, and various fruits can also be added to black tea, which can play a synergistic role.
8. Anti-inflammatory and sterilization: Polyphenols in black tea have anti-inflammatory effects, and catechins can combine with single-celled bacteria to coagulate and precipitate protein, thus inhibiting and eliminating pathogenic bacteria. Therefore, drinking black tea is quite beneficial for patients with bacillary dysentery and food poisoning.
9. Vasodilation: A study in American medical field is related to black tea. It was found that the vasodilation function of patients with heart disease could be improved from 6% to 10% by drinking 4 cups of black tea every day. After stimulation, the diastolic degree of normal people will increase by 13%.
Suitable crowd
Patients with hypertension, hyperlipidemia, diabetes and obesity
Taboo crowd
Patients with stomach fever, mental weakness, insomnia, drug addicts, patients with stones, pregnant women, lactating women, menopausal women and menstrual women.
Not suitable for eating together
There are no special dietary taboos.
Edible method
1. Lemon black tea
Put black tea in clear water, then add lemon slices and sugar.
nutritive value
Black tea is made from the buds and leaves of tea trees, and is refined through typical technological processes such as withering, rolling (cutting), fermentation and drying. Black tea can help digestion, stimulate appetite, induce diuresis, eliminate edema and strengthen heart function. Flavonoids rich in black tea can scavenge free radicals, have anti-acidification effect and reduce the incidence of myocardial infarction.