Black tea benefits and effects

Black tea refers to tea that is completely fermented and new ingredients such as theaflavin and theaflavin are produced during the fermentation process. The most famous black teas in China include Fujian Zhengshan Xiaozhuang, Qimen black tea, Sichuan black tea, Dianhong, and so on. The well known Pu-erh tea belongs to Dian-red. In this article, we will introduce the efficacy and effects of black tea.

Eliminate fatigue

The caffeine contained in black tea excites the nerve center by stimulating the cerebral cortex, so it has the effect of waking up the brain and refreshing. It has a stimulating effect on blood vessels and the heart, and can accelerate blood circulation. Promote metabolism, accelerate the excretion of lactic acid (the substance that makes muscles feel fatigue), with the effect of eliminating fatigue.

Prevent colds and flu

The flavonoids in black tea have the effect of killing toxic bacteria in food and making the flu virus lose its infectious power. In addition to preventing colds, gargling with black tea when you have a sore throat due to a cold has a good effect.

Anti-thrombosis

The polyphenol antioxidants contained in black tea have obvious anticoagulant and pro-fibrinolytic effects, which can prevent the formation of blood laurel.

Anti-inflammatory and antiseptic

The catechins in black tea can bind with bacteria, causing their proteins to coagulate and precipitate, thus inhibiting and destroying pathogenic bacteria. Therefore, bacterial dysentery and food poisoning patients fed black tea is beneficial to the condition; in folklore, if it is suffering from bedsores and ringworm, also commonly used black tea to apply.

Diuretic

Black tea contains caffeine and aromatic substances, the combined effect of which can increase the blood flow of the kidney, dilate the renal microvasculature and improve the glomerular filtration rate; at the same time, it can inhibit the reabsorption of water by the renal tubules, which leads to an increase in urine volume and facilitates the excretion of lactic acid, uric acid, salts and other harmful substances in the body.

Protects against cold

Black tea is warm and sweet, with the effect of heat and warm belly, can enhance the body's ability to adapt to the cold, so it is appropriate to drink black tea in winter. And black tea contains less tea polyphenols, the spleen and stomach irritation and the spleen and stomach weakness of people have and stomach role.

Regulate blood sugar

Theaflavin and theaflavin contained in black tea have the effect of promoting the body to produce insulin, which can assist in regulating blood sugar stability and effectively prevent myocardial infarction.

Anti-aging

Theaflavin and theaflavin in black tea have strong antioxidant properties, which can effectively relieve the damage of free radicals on skin and cardiovascular and fight against aging after consumption.

Anti-cancer

Some experimental studies have shown that black tea has the effect of blocking the formation of carcinogenic compounds nitroso compounds, with a blocking rate of 65%. Regular consumption of black tea can reduce the risk of skin cancer.

Prevent osteoporosis

When black tea is brewed, 70% of the potassium can be dissolved in the tea, and black tea also contains manganese. Potassium can stop or reduce the consumption of calcium in the body, and manganese is also one of the indispensable elements for bone structure. Therefore, drinking black tea regularly can help prevent osteoporosis.

Prevention of memory loss

Within a certain range, the level of acetylcholine levels in the human body is positively correlated with memory. Such as Alzheimer's disease patients have very low levels of acetylcholine in the brain. Drinking black tea can maintain the acetylcholine level in the brain and prevent memory loss.

Black tea is suitable for people

Since black tea has the effect of warming the stomach and spleen, it is suitable for people with a cold constitution, and it is most suitable to drink sweet and warm black tea in the cold winter.