Do you know what are the benefits of drinking black tea? Let's learn more about it!

1. Refreshing

Caffeine in black tea excites the nerve center by stimulating the cerebral cortex, leading to refreshment and concentration of thinking, which in turn makes the thinking response sharper and memory enhanced.

It also has a stimulating effect on the vascular system and heart, speeding up blood circulation to facilitate metabolism, while also promoting sweating and diuresis, accelerating the excretion of lactic acid and other old waste substances in the body, to achieve the effect of eliminating fatigue.

2. Quench thirst and eliminate heat

Drinking black tea in summer can quench thirst and eliminate summer heat, tea the polyphenols, carbohydrates, amino acids, pectin, and other chemical reactions with saliva, stimulating saliva secretion, thus quenching thirst.

Caffeine controls the temperature center of the inferior optic thalamus, regulates body temperature, stimulates the kidneys to promote the excretion of heat and dirt, and maintains the physiological balance of the body.

4. Anti-inflammatory and antiseptic

The polyphenolic compounds in black tea have an anti-inflammatory effect.

It has been found that catechins can combine with single-celled bacteria and cause protein coagulation and precipitation, thereby inhibiting and destroying pathogenic bacteria.

5. Detoxification

Tea polyphenols in black tea can adsorb heavy metals and alkaloids, and precipitate decomposition.

6. Strengthen bones

On May 13, 2002, the American Medical Association published a survey of 497 men and 540 women for more than 10 years, pointing out that people who drink black tea have strong bones, and the polyphenols in black tea (green tea also has) have inhibited the vitality of substances that destroy bone cells.

To prevent and control the common osteoporosis in women, it is recommended to take a small cup of black tea every day, and adhere to a few years with obvious results.

7. Anti-aging

In the past five years, the U.S. government-funded more than 150 studies on green and black tea and its chemical composition.

The results of the study showed that the antioxidants in green and black tea can destroy the path of chemical substances in cancer cells to spread.

Dr. Murray Mitelman, said, "Black tea and green tea are roughly equivalent.

But the antioxidants in black tea are much more complex than green tea and are especially beneficial to the heart."

American magazine reported that the anti-aging effect of black tea is stronger than that of garlic heads, broccoli, and carrots.

8. nourish the stomach and protect the stomach

People who drink green tea when they have not eaten will feel an upset stomach, this is because the tea contains important substances tea polyphenols on the stomach has a certain degree of irritation.

Black tea, on the other hand, is fermented and roasted.

Black tea not only does not hurt the stomach but can nourish the stomach.

9. Vasodilatation

The United States medical community a study related to black tea. The study found that heart patients drink 4 cups of black tea a day, and vasodilation can be increased from 6% to 10%.

Regular people after stimulation, then the diastolic degree will increase by 13%.