Why can drinking tea keep you healthy? What are the ingredients in tea? What is the function? China tea ceremony culture has a long history and is called one of the world's three largest healthy drinks by countries all over the world. There are Tieguanyin in southern Fujian, Longjing in West Lake and Chaoshan congou in Guangdong. Every region in China has its own unique tea drinking habits. Especially in Chaoshan area, Chaoshan congou tea is a must for every family. Chaoshan congou tea is a kind of tea that people have nothing to do, and it is bound to be available when relatives and friends come to visit. However, in recent years, various opinions about tea have emerged in an endless stream, and even the online explosion of Chata will cause cancer. In fact, there are nearly 500 components in tea, among which theanine, caffeine, carbohydrates and vitamins are the key components, and these four components have strong health care effects on human body.

What are the functions of the four ingredients in tea? 1, theanine

Theanine belongs to polyphenols, which is ubiquitous in nature and has good antioxidant effect, so it is used in various industries. Theanine in tea can reduce cholesterol, avoid the damage of oxygen free radicals to the body cells, and has the effects of antioxidation, anticancer and delaying aging.

2. Flavonoids

Flavonoids are a kind of ingredients that can treat diseases, and have the functions of waking up and relieving fatigue. Tea contains caffeine, theobromine and theophylline. This flavone has the function of exciting the nerve center, in which caffeine accounts for the largest proportion. On the other hand, caffeine has the key function of awakening the brain and relieving fatigue. Some people suffer from insomnia after drinking tea, and most of them are also related to caffeine.

3. carbohydrates

Tea contains a lot of carbohydrates, among which tea polyphenols have the effect of waking up, but they have the effect of calming the nerves and helping sleep. These two ingredients are closely related, so tea can play a role in waking up, but it is impossible to make people overly excited. Tea polyphenols are called natural sedatives. In other words, drinking tea in moderation can make people feel at ease.

4, vitamins

Vitamins can enhance immunity. The content of vitamin C in tea is high, which can be digested and absorbed by human body, improve immunity and promote the production of collagen. In addition, vitamin C or antioxidant components can reduce melanin deposition and whiten skin. Vitamin c can also enhance the skin's ability to resist sun damage and protect the skin from sun damage.

Generally speaking, various beneficial ingredients in tea not only determine the quality of tea, but also have a good health care function, so drinking tea is a good thing for physical and mental health. When you feel uneasy or in a bad mood, have a cup of tea to release your stress. However, we should pay attention to groups with poor gastrointestinal function to prevent eating oolong, which is easy to damage the stomach and cause gastrointestinal diseases. You can choose green tea and Pu 'er raw tea, which are softer and have the functions of warming the stomach and maintaining the gastrointestinal tract.