Green tea is one of the main tea leaves in China, which refers to a beverage made from the new leaves or buds of tea trees without fermentation, and through the processes of enzyme fixation, shaping and drying. The color of the finished product and the brewed tea soup retain the green style of new tea. Drinking green tea regularly can prevent cancer, reduce fat and lose weight, and also reduce the harm of nicotine to smokers. The production and processing of green tea need to go through many processes such as enzyme fixation, rolling and drying, among which the key is enzyme fixation. Fresh leaves are inactivated by enzyme activity, and the chemical components contained in them are basically unaffected by enzymes, and change through heat, thus forming the quality characteristics of green tea.
Green tea is called? National drink? . Modern science shows that green tea has many functions and has very good use value. The tea leaves of green tea can not only refresh the brain, but also clear away heat and relieve summer heat. It can not only help digestion, eliminate phlegm, relieve fatigue and lose weight, but also clear the heart, remove annoyance, detoxify and sober up, which also plays a very important role in promoting fluid production, quenching thirst, reducing fire and improving eyesight. These pharmacological effects are very obvious, and green tea also has certain pharmacological effects on modern diseases, such as radiation diseases. Tea polyphenols and caffeine are the main components with pharmacological effects in tea.
Tea polyphenols are water-soluble substances, which can remove greasy face and astringe pores, and have the effects of disinfection, sterilization, anti-aging and reducing the damage of ultraviolet rays in the sun to the skin. So people say that drinking green tea can resist oxidation and aging.
Caffeine in green tea can stimulate the central nervous system of human body, enhance the excitement process of cerebral cortex, and has the functions of refreshing the brain, clearing away heart fire and calming the nerves. It also has a certain effect on relieving migraine.
Drinking green tea is very effective. You can drink more tea and feel comfortable at the same time.