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What does black tea do?
Black tea is a kind of tea that we often drink, but do you know the efficacy of black tea? In fact, there are still many effects of black tea. Let's take a look with Bian Xiao.

What does black tea do?

1. Protect and nourish the stomach

Because black tea is fully fermented tea, most polyphenols have been transformed, which is less irritating to human stomach. In addition, theaflavins and thearubigins, the oxides of tea polyphenols, can also promote human digestion. At the same time, black tea is rich in protein, sugar and other nutrients, which can enhance the human body's ability to keep out cold, strengthen yang, generate heat and warm the stomach.

2. Anti-influenza, sterilization and anti-inflammation

Black tea can prevent colds. Because theaflavins in black tea can kill the poisonous bacteria in food and make the influenza virus lose its infectivity. Tea polyphenols and their oxides, aromatic compounds, saponins and other substances in black tea also have the functions of inhibiting and killing bacteria, molds, fungi and pathogenic bacteria, diminishing inflammation and relieving pain.

3. Prevention and treatment of heart disease and stroke

Tea pigment in black tea has a strong anti-lipid oxidation effect, which can improve the function and microcirculation of vascular endothelial cells in the heart and other parts, ensure the normal supply of blood tissue and oxygen, inhibit the adhesion and aggregation of platelets, and prevent coagulation, thrombosis, arteriosclerosis and cardiovascular diseases.

4. Prevention and treatment of osteoporosis

Polyphenols in black tea (including its oxidation products) have the activity of inhibiting substances that destroy bone cells. If lemon is added to black tea, the bone strengthening effect will be better.

How to brew black tea is better?

Although black tea is very common, it is not easy to brew a good cup of black tea correctly.

1. Burn the teapot with hot water, and then pour the brewed tea into the still warm teapot.

In general, black tea should be brewed with water at 85℃-90℃. If the bud leaves are tender, then 80℃ will do.