What are the effects and functions of black tea?

In winter, the weather is cold and dry. Drinking black tea can not only warm the stomach but also effectively resist influenza and prevent colds. Therefore, we should not only drink tea in summer, but also drink tea in winter. It can keep warm while promoting the metabolism of the body system, which can effectively improve our body regulation system. Let me show you what are the functions and functions of black tea?

Benefits of black tea

You should drink more black tea in winter to prevent influenza.

Black tea is the top choice for drinking tea in winter. Black tea is sweet and warm, which can nourish the human body's yang energy; black tea is rich in protein and sugar, generates heat and warms the abdomen, can enhance the body's ability to resist cold, and can also aid digestion and remove greasiness. In some parts of our country, it is also customary to drink black tea with sugar, milk, and sesame seeds, which can not only heat up and warm the abdomen, but also add nutrition and strengthen the body.

Studies have found that black tea can reduce the incidence of stroke and heart disease. Stroke and heart disease are diseases that are most common in winter. Therefore, elderly people with cardiovascular and cerebrovascular diseases often make a cup of warm black tea in winter, which can not only warm the body, but also prevent diseases. In addition, gargling with black tea or drinking it directly can also prevent influenza, which is also necessary in winter. Drinking black tea also has a unique effect in preventing osteoporosis and reducing the incidence of skin cancer, which makes black tea have a wider audience. Since black tea is a fermented tea, it has weak irritation and is especially suitable for people with weak stomach and body.

Experts remind that when drinking black tea, it is best to control the amount of tea leaves at 3 to 5 grams. Be sure to drink it hot, and it is best to drink it freshly. If it is left for a long time, the nutrition and taste will be compromised.

The efficacy and function of black tea

Function 1: Warm and nourish the stomach

The most outstanding effect of black tea is to warm and nourish the stomach. According to scientific verification, Because its tea polyphenols have been fermented and roasted, black tea not only does not hurt the stomach but has the effect of nourishing the stomach. If you drink black tea often with sugar and milk, it can also protect the gastric mucosa and treat gastric ulcers. Moreover, drinking black tea half an hour after a meal can also help digestion and eliminate fat.

Function 2: Anti-aging

Black tea also has an effect that is particularly attractive to girls - anti-aging. This effect is the result of five years of research in the United States. The research results show that, The antioxidants contained in black tea can indeed completely eliminate the spread of chemicals in bad cancer cells. Female friends, do you think this black tea is okay? Moreover, black tea can also be drunk with sugar or milk.

Efficacy 3: Promoting body fluids and clearing away heat

Drinking black tea has a good effect of promoting body fluids, and it can also relieve heat. The tea contains amino acids, polyphenols, pectin and other substances, which can It reacts chemically with saliva, stimulating saliva secretion and making people feel moisturized in the mouth. Moreover, the caffeine in black tea can control the body temperature center of the hypothalamus, regulate the body temperature, thereby stimulating the kidneys to discharge dirt and achieve physiological balance in the body.

Efficacy 4: Lowering blood lipids and blood pressure

The most popular effect of black tea is lowering blood pressure and blood lipids. In fact, American medical research has proven that patients with heart disease only need to drink 4 ~With 5 cups of black tea, his vasodilation can rise from 6 to about 10. If a healthy person drinks 4 cups, his vasodilation can reach 13. This is enough to prove that drinking black tea regularly has the effect of lowering blood pressure and lowering blood pressure. In addition, black tea has been proven to have anti-cancer effects.

Efficacy 5: Refreshing and eliminating fatigue

Black tea is rich in caffeine, which can stimulate the cerebral cortex, excite the nerve center, improve thinking reactions and enhance memory, and it can also speed up Blood circulation helps sweat and accelerate the excretion of lactic acid and some body waste, which can eliminate fatigue.

Efficacy 6: Anti-cancer

Studies have shown that black tea and green tea contain an antioxidant, which can destroy the transmission path of chemical substances in cancer cells. Black tea contains The antioxidants in black tea are relatively complex and particularly beneficial to the heart, and black tea has better anti-cancer effects than green tea, garlic, broccoli and carrots.

Function 7: Diuresis

Under the combined action of caffeine and aromatic substances in black tea, it increases the blood flow of the kidneys, improves the glomerular filtration rate, expands renal capillaries, and Inhibits the reabsorption of water by the renal tubules, thereby increasing urine output. This will help 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.

Efficacy 8: Anti-inflammatory and sterilization

The polyphenols in black tea have anti-inflammatory effects. Experiments have found that catechins can bind to single-celled bacteria, causing The protein coagulates and precipitates, thereby inhibiting and destroying 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.

Efficacy 9: Detoxification

According to experiments, the polyalkaline in black tea can absorb heavy metals and alkaloids, and precipitate and decompose, which is very important for modern times where drinking water and food are polluted by industry. For people, it is nothing less than a blessing.

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, and anti-radiation. Black tea is also an excellent sports drink. In addition to relieving heat, quenching thirst and replenishing water, if you drink it before exercising that requires physical strength and endurance (such as marathon running), the caffeine in the tea has a refreshing effect and can promote the body to burn fat to supply heat during exercise. It retains liver vinegar, so it gives people more staying power.

Side effects of black tea: Black tea is lukewarm and is not suitable for people who suffer from internal heat. Drinking black tea for a long time will cause the body to become weak and cold, and the stomach will no longer be as strong as before. Sometimes the kidneys will feel cold and painful. In addition, it will cause heart palpitations, slow down the body's absorption rate of calcium and other disadvantages.

Conclusion: Black tea is generally more popular among women, because black tea can effectively help women withstand the cold winter. I would like to remind you that whether you are men, women, old or young, you can drink black tea or other types of tea when you have nothing to do. Not only can you enjoy your leisure time, but it can also improve your body. ;