The efficacy of black tea, the efficacy of longan jujube black tea

Today, I will share with you the knowledge about the efficacy of black tea, which will also explain the efficacy of longan jujube black tea. If you happen to solve the problems you are facing now, don't forget to collect this website, and start now!

a list of the contents of this article: 1. What's the function of black tea? 2. What's the specific function and function of black tea? 3. What's the function and function of black tea? 5. What's the function of black tea? What are the benefits to the body? 6. What are the effects of black tea? What are the effects of black tea? Leaves red and soup red, refreshing, relieving fatigue, promoting fluid production and clearing away heat, diuresis, anti-inflammatory sterilization and detoxification. A large number of medical studies have shown that drinking black tea can help regulate the contents of low-density lipoprotein and high-density lipoprotein in human arteries, thus reducing the probability of cardiovascular diseases.

In addition, theaflavins can also resist oxidation and cancer, and prevent chronic inflammation and obesity. From the point of view of traditional Chinese medicine, black tea is warm and has the function of warming the stomach, so people with deficiency-cold constitution and the elderly should drink warm black tea.

specific efficacy and function of black tea

specific efficacy and function of black tea, which is a common tonic in our life, because few people eat it in life. Long-term consumption of it will have a better effect on the human body, which is very worthy of eating in daily life. The following are the specific efficacy and function of black tea.

The specific efficacy and function of black tea 1

The efficacy of black tea

It can resist oxidation and protect skin

Red tea polyphenols have been proved to have the efficacy of killing Trichophyton, which can be used to deal with tinea pedis, and there must be many women who are ashamed to talk about it.

The rainy season is coming. Drinking more black tea can prevent the attack of tinea pedis.

can resist cold and flu

theaflavins and black tea catechins have bactericidal effect, can inhibit the activity of cold virus and prevent infection; It can also inhibit the activity and proliferation of influenza virus. Some studies have found that gargling with black tea every day can prevent colds and flu.

it can resist bad breath

black tea catechin has deodorizing effect and can prevent bad breath.

Spring is the season for dating. MM who loves beauty might as well bring a bottle of black tea. Fresh breath can also improve the success rate of dating.

tea itself has the effect of absorbing odor, and can also be used to eliminate the odor in the room.

put loose black tea leaves or bags of black tea into cloth bags and put them in cabinets, wardrobes, shoe cabinets and drawers.

Tooth-beautifying effect

Black tea can beautify teeth, and catechins and theaflavins in black tea can prevent the formation of tartar; And the "tannin" contained in black tea contains fluorine, which can strengthen the enamel on the tooth surface.

The sterilization and disinfection of black tea endows it with the effect of preventing dental caries.

It can supplement vitamins and minerals to promote growth

Black tea contains a lot of vitamins and minerals that regulate human metabolism.

Specific efficacy and function of black tea 2

Black tea is not suitable for people

People with stones and cancer.

patients with stones are generally not allowed to drink black tea.

people with anemia, mental weakness and insomnia.

The refreshing effect of black tea will aggravate their insomnia symptoms.

People who are easily excited or sensitive, have poor sleep and are weak.

Because black tea has a good refreshing effect.

people with a hot stomach.

Because black tea is a warm tea, it plays a role in warming the stomach.

people with thick tongue, bad breath, acne-prone, and red eyes.

black tea is "hot", so people who are afraid of getting angry should not drink it.

someone who is taking medicine.

black tea will spoil the efficacy.

Menstrual women consume a lot of iron during menstruation, and tannic acid in black tea will hinder the absorption of iron in food.

pregnant women, because caffeine in black tea will increase the load of pregnant women's hearts and kidneys, which will cause discomfort to pregnant women.

Lactating women, because tannic acid in black tea affects the blood circulation of mammary glands, it will inhibit the secretion of milk and affect the quality of lactation.

Precautions for drinking black tea

Store fresh tea before drinking

Because fresh tea is stored for a short time and contains more unoxidized polyphenols, aldehydes and alcohols, it has a strong stimulating effect on people's gastrointestinal mucosa and is easy to induce stomach diseases.

Therefore, it is advisable to drink less new tea, and avoid drinking new tea stored for less than half a month.

Wash the tea first, then taste the tea

Because the tea is polluted by harmful substances such as pesticides in the process of cultivation and processing, there is always some residue on the surface of the tea, so the tea brewed for the first time should be discarded because of its washing function.

It is not advisable to drink tea with fever

Tea contains more theophylline, which has the effect of raising body temperature, that is, drinking black tea for patients with fever is tantamount to "adding fuel to the fire".

Never drink tea on an empty stomach

Drinking tea on an empty stomach can dilute the gastric juice, reduce the digestive function, and increase the absorption rate of water, resulting in a large amount of bad ingredients in tea entering the blood, which may easily lead to palpitation, dizziness, weakness of hands and feet and other symptoms.

Do not drink tea if you have a bad stomach

Tea can promote gastric acid secretion and increase gastric acid concentration, which is very easy to induce ulcers and even perforation.

The efficacy and function of black tea

The efficacy and function of black tea are very common in life. Black tea has some special effects, so it must be understood clearly when drinking. After all, some people are not suitable for drinking. Let me take you to have a brief understanding of the efficacy and function of black tea.

The efficacy and function of black tea 1

1. Black tea can help gastrointestinal digestion and promote.

Flavonoids rich in black tea can eliminate free radicals, have anti-acidification effect and reduce the incidence of myocardial infarction.

Chinese medicine believes that tea can also be divided into cold and heat. For example, green tea is bitter and cold, so it is suitable for drinking in summer and used to relieve summer heat. Black tea and Pu 'er tea are warm, so they are more suitable for drinking in winter.

Oolong tea and Tieguanyin are more neutral.

black tea can assist blood sugar regulation, but there is still no definite conclusion.

In winter, people who feel uncomfortable after eating too many iced fruits and vegetables can drink black sugar and ginger slices slowly while warm, which will nourish their stomachs and make them feel better, but iced black tea is not recommended.

2. Refreshing and relieving fatigue

Caffeine in black tea stimulates the nerve center by stimulating the cerebral cortex, which promotes refreshing and concentration of thinking, thus making the thinking response more acute and enhancing memory; It also has an exciting effect on the vascular system and the heart, strengthens the heartbeat, thus accelerating the blood circulation to facilitate metabolism, and at the same time promoting sweating and diuresis, thus accelerating the excretion of lactic acid (substances that make muscles feel tired) and other old and waste substances in the body in a two-pronged manner, and achieving the effect of eliminating fatigue

3. Promoting body fluid production and clearing heat < P > Drinking black tea in summer can quench thirst and relieve summer heat because polyphenols, sugars, amino acids, pectin and the like in tea are in harmony with the mouth. At the same time, caffeine controls the temperature center of the hypothalamus and regulates the body temperature. It also stimulates the kidney to promote the excretion of heat and dirt and maintain the physiological balance in the body.

4. diuresis

under the combined action of caffeine and aromatic substances in black tea, the blood flow of the kidney is increased, the glomerular filtration rate is improved, the renal microvessels are dilated, and the renal tubules are inhibited from reabsorption of water, thus promoting the increase of urine volume.

This is beneficial to eliminate lactic acid, uric acid (related to gout), excessive salt (related to hypertension), harmful substances, etc., and to alleviate edema caused by heart disease or nephritis.

5. Anti-inflammatory sterilization

Polyphenols in black tea have anti-inflammatory effect, and experiments show that catechins can combine with single-celled bacteria to coagulate and precipitate protein, thereby inhibiting and eliminating pathogenic bacteria.

Therefore, it is quite beneficial for patients with bacillary dysentery and food poisoning to drink black tea, and strong tea is also commonly used by the people to coat wounds, bedsores and athlete's foot.

6. Detoxification

Tea polyphenols in black tea can adsorb heavy metals and alkaloids, and precipitate and decompose them, which is a boon for modern people whose drinking water and food are polluted by industry.

7. Strong bones

On May 13, 22, the American Medical Association published a survey of 497 men and 54 women for more than 1 years, pointing out that people who drink black tea have strong bones, and polyphenols in black tea (also in green tea) have the activity of inhibiting substances that destroy bone cells.

In order to prevent and treat common osteoporosis in women, it is suggested to take a small cup of black tea every day for several years, and the effect is obvious.

If lemon is added to black tea, the bones will be strengthened and the effect will be stronger. Various fruits can also be added to black tea, which can play a synergistic role.

8. Anti-aging

In the past five years, the US government has funded more than 15 studies on green tea and black tea and their chemical components. The results show that antioxidants in green tea and black tea can completely destroy the spread path of chemicals in cancer cells.

Murray, director of vascular epidemiology at Beth Israel Deaconess Medical Center in Boston? Dr. Mi Tellman said: "The efficacy of black tea and green tea is roughly the same, but the antioxidant of black tea is much more complicated than that of green tea, especially beneficial to the heart.".

American magazines report that the anti-aging effect of black tea is stronger than that of garlic head, broccoli and carrots.

9. Nourishing and protecting the stomach

People will feel uncomfortable in their stomachs when they drink green tea without eating. This is because tea polyphenols, an important substance contained in tea, have astringency and have a certain stimulating effect on the stomach, which is more irritating on an empty stomach.

but black tea is different.

it is made by fermentation and baking.

Black tea can nourish the stomach instead of hurting it.

Regular drinking of black tea with sugar and milk can diminish inflammation, protect gastric mucosa, and also have a certain effect on treating ulcers.

1. Relaxing blood vessels

A study in American medical field is related to black tea.

The study found that heart disease patients who drink 4 cups of black tea a day can increase the vasodilation from 6% to 1%.

After stimulation, the normal person's diastolic degree will increase by 13%.

efficacy and function of black tea 2

nutritional components black tea is rich in carotene, vitamin a, calcium, phosphorus, magnesium, potassium, caffeine, isoleucine, leucine, lysine, glutamic acid, alanine, aspartic acid and other nutritional elements.

the chemical reaction of polyphenols in black tea during fermentation makes the chemical composition of fresh leaves change greatly, and it will produce theaflavins, thearubigins and other components, and its aroma is obviously higher than that of fresh leaves, forming the unique color, fragrance and taste of black tea.

Black tea has the functions of warming the stomach, keeping healthy, refreshing the mind, relieving fatigue, eliminating edema, stopping diarrhea, resisting bacteria and enhancing immunity.

Black tea is mild in nature and mellow in taste. Drinking black tea with sugar or milk often can not only warm the stomach, but also diminish inflammation and protect the gastric mucosa, and also has a certain effect on treating ulcers.

black tea is helpful for gastrointestinal digestion, can stimulate appetite, can effectively prevent and treat myocardial infarction, strengthen myocardial function, reduce blood sugar and hypertension, and prevent tooth decay and food poisoning.

black tea is suitable for people of all ages, especially those with cold stomach.

drink more black tea in winter.

avoid eating and drink less in summer.

Side effects Black tea is warm and not suitable for people with excessive internal heat.

Long-term drinking of black tea will lead to deficiency and cold, and the stomach is no longer as strong as before, and sometimes the kidney will feel cold pain, in addition, it will cause palpitations and slow down the absorption rate of calcium by the body.

What are the functions of black tea?

Black tea is a kind of tea made by full fermentation (the degree of fermentation is more than 8%). It is made from the new tea leaves which are suitable for making this product, and refined by typical technological processes such as withering, rolling, fermentation and drying. It contains many vitamins, and the leaves and soup are red.

There are many kinds of black tea in China, with a wide range of producing areas, including Kung Fu black tea and small black tea unique to China, as well as black broken tea similar to Indian and Sri Lankan.

so what are the functions of black tea? What are the benefits of drinking black tea? Come and find out.

1. Ten functions of black tea

1. Refreshing and relieving fatigue

Medical experiments show that caffeine in black tea stimulates the nerve center by stimulating the cerebral cortex, which promotes refreshing and concentration of thinking, thus making the thinking response more acute and enhancing memory; It also has an exciting effect on the vascular system and the heart, strengthens the heartbeat, thus speeding up blood circulation to facilitate metabolism, and at the same time promoting sweating and diuresis, thus accelerating the excretion of lactic acid (a substance that makes muscles feel tired) and other old and waste substances in the body in a two-pronged manner, and achieving the effect of eliminating fatigue.

2. Promoting fluid production and clearing heat

Drinking black tea in summer can quench thirst and relieve summer heat, because polyphenols, sugars, amino acids and pectin in tea react chemically with saliva, and stimulate saliva secretion, which makes the mouth feel moist and cool. At the same time, caffeine controls the temperature center of the hypothalamus and regulates the body temperature. It also stimulates the kidney to promote the excretion of heat and dirt and maintain the physiological balance in the body.

3. diuresis

under the combined action of caffeine and aromatic substances in black tea, the blood flow of the kidney is increased, the glomerular filtration rate is improved, the renal microvessels are dilated, and the renal tubules are inhibited from reabsorption of water, thus promoting the increase of urine volume.

This is beneficial to eliminate lactic acid, uric acid (related to gout), excessive salt (related to hypertension), harmful substances, etc., and to alleviate edema caused by heart disease or nephritis.

4. Anti-inflammatory sterilization

Polyphenols in black tea have anti-inflammatory effect, and experiments show that catechins can combine with single-celled bacteria to coagulate and precipitate protein, thereby inhibiting and eliminating pathogenic bacteria.

Therefore, it is quite beneficial for patients with bacillary dysentery and food poisoning to drink black tea, and strong tea is also commonly used by the people to coat wounds, bedsores and athlete's foot.

5. Detoxification

According to the experiment, tea polyphenols in black tea can adsorb heavy metals and alkaloids, and precipitate and decompose them, which is a boon for modern people who are polluted by industry in drinking water and food.

6. Strong bones

Polyphenols in black tea (also found in green tea) have the activity of inhibiting substances that destroy bone cells.

In order to prevent and treat common osteoporosis in women, it is suggested to take a small cup of black tea every day for several years, and the effect is obvious.

If lemon is added to black tea, the bones will be strengthened and the effect will be stronger. Various fruits can also be added to black tea, which can play a synergistic role.

7. Anti-aging

Antioxidants in green tea and black tea can completely destroy the spread path of chemicals in cancer cells.

The efficacy of black tea is similar to that of green tea, but the antioxidant of black tea is much more complicated than that of green tea, especially beneficial to the heart.

American magazines report that the anti-aging effect of black tea is stronger than that of garlic head, broccoli and carrots.

8. Nourishing and protecting the stomach

People will feel uncomfortable in their stomachs when drinking green tea without meals. This is because tea polyphenols, an important substance contained in tea, have astringency and have a certain stimulating effect on the stomach, which is more irritating on an empty stomach.

but black tea is different.

it is made by fermentation and baking.

Black tea can nourish the stomach instead of hurting it.

Regular drinking of black tea with sugar and milk can diminish inflammation, protect gastric mucosa, and also have a certain effect on treating ulcers.

9. Anti-cancer

It is very popular that tea has anti-cancer effect, and researchers all over the world have made many explorations on it, but it is generally believed that the anti-cancer effect of tea is mainly manifested in green tea, and new progress has been made.

It is found that black tea, like green tea, has a strong anti-cancer effect.

1. Vasodilation

The study found that patients with heart disease drink 4 cups of black tea every day, and their blood vessels dilate.