1, nourishing and protecting stomach
Tea contains a substance called tea polyphenols, which will stimulate the stomach. Black tea is made by fermentation and baking, in which tea polyphenols undergo enzymatic oxidation, and then black tea will produce a film to protect gastric mucosa after passing through the stomach.
2, Jinsheng Qingre
It is often seen that people drink black tea in hot summer because a phenolic substance contained in tea can stimulate saliva secretion, thus achieving the effect of quenching thirst and relieving summer heat. At the same time, it will also control the body temperature sensing center and produce a cool feeling.
3, refreshing
Caffeine and aroma in black tea can help the brain stay awake and energetic. Whenever you feel tired from work or face an important occasion, you might as well make a cup of black tea, which will help you work efficiently.
Step 4 lose weight
Black tea is loved by many women because it can help digestion and reduce blood fat. Because black tea can stimulate the production of insulin, to a certain extent, it can reduce blood sugar and blood lipid, and it is also very helpful for patients with diabetes and kidney disease.
5, anti-inflammatory sterilization
Black tea contains catechins, which can effectively inhibit the activity of Helicobacter pylori, so drinking black tea every day can reduce the incidence of bacillary dysentery such as gastric ulcer and duodenal ulcer.
6, promote blood circulation
Manganese and potassium contained in black tea are good helpers to promote blood circulation. People who have the habit of drinking black tea will have soft blood vessels and ruddy and shiny faces. Therefore, drinking more black tea is of great help to prevent cardiovascular and cerebrovascular diseases.
The efficacy of green tea
1, preventing cancer
Tea polyphenols in green tea can block the generation of carcinogens such as ammonium nitrite, inhibit the generation of cancer cells and improve the body's immunity. Scientific research reports show that tea polyphenols in tea have a good effect on the prevention or adjuvant treatment of gastric cancer and intestinal cancer.
2. Beauty and skin care
Tea polyphenols in green tea are water-soluble, which can astringe pores, remove facial greasy, and reduce the absorption of ultraviolet rays, thus achieving the beauty effect.
3, diuresis to relieve fatigue
Caffeine in green tea can stimulate the kidney, promote the rapid elimination of urine, improve the filtration efficiency of the kidney and reduce harmful substances in the kidney. In addition, caffeine can also remove excessive lactic acid in urine, which helps to eliminate fatigue.
4. Radiation resistance
Tea polyphenols and their oxidation products in green tea have the ability to absorb the toxicity of radioactive substances strontium 90 and cobalt 60.
5, delay aging
Tea polyphenols in green tea can scavenge free radicals and resist oxidation, thus delaying aging to some extent.
6, refreshing.
Caffeine in green tea can excite human nerves, increase the excitement time of cerebral cortex, and play a long-term refreshing role.
7, antibacterial, antiviral
Tea polyphenols in green tea can obviously inhibit and kill pathogenic bacteria and viruses, and can also relieve inflammation and diarrhea.