Drinking black tea often is of great benefit.
First of all, drinking black tea can clear fat and lose weight. Polyphenols and their oxidation products in black tea can dissolve fat and promote the discharge of lipid substances; It can also activate protein kinase, accelerate fat decomposition and reduce body fat content. Therefore, Anhua black tea is called "slimming tea" by Koreans; Japanese people call it "beauty tea"; People in Taiwan Province Province call it "Xiaoshi Tea".
Secondly, drinking black tea can resist oxidation and delay aging. Catechins, theaflavins, theanine and tea polysaccharides in black tea, especially high-content compound flavonoids, all have the function of scavenging free radicals, because tea has the function of antioxidation and delaying cell aging.
Third, drinking black tea can clear the stomach and help digestion. Black tea is rich in dietary fiber and has the function of regulating stomach and clearing stomach; And with the participation of probiotics, it can improve the intestinal microbial environment and help digestion. In China, there is a tradition of using old black tea to treat abdominal distension, dysentery and indigestion.
Finally, drinking black tea can sterilize and diminish inflammation. The main components of dark tea soup color are theaflavins and thearubigins. Studies have shown that theaflavin is not only an effective free radical scavenger and antioxidant, but also has obvious bactericidal effect on Botox, Enterobacteriaceae, Staphylococcus aureus, Clostridium perfringens and Bacillus cereus. In addition, theaflavins can also inhibit the invasion of influenza virus and the infection of rotavirus and enterovirus.
Drinking black tea for the elderly also has the advantages of removing atherosclerosis of blood vessel wall and lowering blood pressure, blood sugar and cholesterol. Drinking black tea can also help people understand the toxins in the body and protect the liver. Regular drinkers, if they drink some black tea, can also help sober up, relieve alcoholism, and have the effect of diuresis and detoxification.
Side effects of moderate drinking of black tea.
Black tea has many functions, so does black tea have any side effects? No, black tea has no side effects, and people can safely drink it for a long time. However, it should be noted that black tea is only suitable for hot drinks, and black tea cold drinks cannot reduce fever and quench thirst.
Hot drinking black tea can dilate human blood vessels, promote sweat gland secretion, and help people sweat. On a hot and cool day, it is a pleasure to drink a cup of black tea slowly, but if we drink black tea cold because of the heat, it will not only make the effect of black tea worse, but may even cause harm to our health, which is something we need to pay attention to.
People who usually like to drink black tea should be careful not to drink new tea, because new tea has a short storage time and many unoxidized substances, which will stimulate people's stomach, so black tea stored for less than half a month is generally not allowed to drink. Then, don't drink tea on an empty stomach, and don't drink tea after meals, especially one hour after meals, otherwise it will induce anemia. People with gastric ulcer can't drink black tea, which will lead to the increase of retinoic acid concentration and lead to gastric perforation. Also, women can't drink black tea during menstruation, otherwise it will aggravate menstrual syndrome.