Benefits and disadvantages of drinking black tea, efficacy and role of black tea

Aid digestion, relieve oiliness, smooth the stomach, reduce lipids, **, soften human blood vessels, and prevent cardiovascular diseases. Supplementing dietary nutrition, dark tea contains rich nutrients, the most important are vitamins and minerals, in addition to proteins, amino acids, sugars, etc.

Benefits: 1. It can lower blood pressure. Black tea contains theanine substances, which can activate dopaminergic neurons and control blood pressure increases, and the catechins and caffeine contained in tea can relax blood vessels and lower blood pressure.

2. It can be sterilized. The color of black tea soup has theaflavins and thearubigins, which are free radicals and antioxidants, which can resist Staphylophylococcus aureus and Enterobacter bacteria.

3. It can detoxify and diuretic. The caffeine component in black tea has a diuretic effect, which can also help detoxify alcohol, and the tea polyphenols contained in it can alleviate the toxic effect of heavy metals.

Disadvantages: 1. The caffeine and tea polyphenols contained in black tea are not conducive to the growth of the fetus in the womb of pregnant women, caffeine will affect the neurological development of the fetus, and anemia and lactating women are also not suitable for drinking black tea, which will be detrimental to the body.

2. Black tea contains more tea pigments, and drinking too much will leave tea stains on the teeth.

3. Black tea can quickly neutralize blood sugar, and if it is drunk by people with low blood sugar or low blood pressure, it will be easy to feel nauseous and dizzy.

4. If you are a person with insomnia, it is not suitable to drink black tea, and the caffeine and fragrant substances contained in tea will make people excited and make it difficult for people to fall asleep.

Black tea has a long history, but there are very few people who know about black tea in real life, but they vaguely know that black tea has a lot of effects, but when it comes to what benefits it has and what effects it can play, many people are still unclear, so let's explore what incredible effects it has!

Efficacy and role of black tea

1.There is caffeine in black tea, which can play a diuretic role, and can also help some drunk people to detoxify alcohol, in addition, there are tea polyphenols in black tea, which can make some nicotine of tobacco precipitate, so as to excrete from the body, so as to reduce the harm caused by smoking.

2.The various nutrients contained in black tea are also very rich, especially for people who have eaten too little protein for a long time, if you can insist on drinking some black tea, it can supplement various vitamins and minerals needed by the body, so people affectionately call it "tea of life".

3.People with medical knowledge know that when the blood lipid content in the body is relatively high, it is easy to let lipids be deposited on the blood vessels, and it is easy to cause atherosclerosis or thrombosis. However, black tea can degrade fat and inhibit platelet aggregation, in addition, through the consumption of black tea, it can reduce the blood pressure of the human body, and often drink this kind of tea, which can prevent the appearance of cardiovascular diseases.

4.The main ingredients in black tea are theaflavins and thearubigins, and the relevant personnel have done research on them and found that theaflavins in black tea are not only an effective free radical scavenger and antioxidant, but also can play an anti-cancer, anti-mutation, antibacterial and anti-viral, improve and ** cardiovascular and cerebrovascular diseases, ** diabetes and other physiological diseases.