Tea is a natural beverage without additives.
No additives are added in the process of making tea, and the formation of its color, aroma and taste is only related to the quality of raw materials and the production mechanism. Many other drinks often need to add chemicals such as pigment, essence and saccharin. In the manufacturing process, stimulants, anesthetics or preservatives are sometimes added according to the different functions of the beverage. At present, there are more than 200 kinds of food additives used in China. Experts suggest that drink less drinks containing chemical additives and drink more natural drinks. Tea is an ideal natural drink.
Refresh one's mind and prolong life
Many people know that drinking tea is not good for sleep. In fact, this is because drinking tea has a good refreshing effect. Because tea is rich in vitamins and a substance similar to caffeine, after drinking, these nutrients can act on our central nervous system and increase the blood flow to the brain, thus refreshing. Tea also contains vitamin E and other antioxidant nutrients, which can delay the aging of our bodies and keep our cells and organs alive for a long time. Therefore, the benefits of drinking tea regularly are not only refreshing, but also prolonging life.
Tea can lower cholesterol and blood pressure.
Tea is a treasure with great development potential and is becoming a more effective raw material for disease prevention step by step.
Researchers at the University of Hong Kong have found that drinking tea can reduce blood total cholesterol levels by 25%. Another survey on the relationship between drinking tea and the incidence of hypertension found that the incidence of hypertension was 10.55% for people who didn't drink tea, and 6.95% for people who drank tea regularly. Tea does have a certain antihypertensive effect.
Improve bone mineral density
Although tea contains caffeine, it will promote the loss of calcium with urination, but the content is extremely low. Even black tea with high caffeine content is only 30~45 mg per cup. In fact, tea contains more substances that can help reduce calcium loss, including fluorine, phytoestrogens and potassium. A study in Taiwan Province found that people who drink tea regularly have higher bone density and lower probability of hip fracture.
Promote gastrointestinal digestion
Tea tannin, which is unique in tea, has a great dissolving effect on body fat, which allows us to quickly digest food in the body and protect gastric mucosa from harm.
Protecting teeth and improving eyesight
Vitamins in tea are exactly what the eyes need, so tea not only has the function of eye health care, but also can effectively prevent and treat various minor eye diseases such as dry eye. Moreover, tea is alkaline, which helps to reduce the loss of calcium in human body and is good for teeth.
Green tea: reducing fire and preventing cancer
Green tea production in China has the longest history and the most categories, such as West Lake Longjing, Huangshan Mao Feng, Dongting Biluochun and Taiping Monkey Kui. Green tea belongs to non-fermented tea, which has many health functions, including cancer prevention, cardiovascular health improvement, weight loss, radiation resistance and so on. In addition, green tea is the tea with the most kinds of vitamins and the richest content. Green tea has better anticancer effect. From the perspective of traditional Chinese medicine, green tea is slightly cold, which helps to reduce fire. People with cold stomach should drink less, people with hot and dry constitution who are easy to get angry and people with strong constitution should drink.
Green tea: nourishing and losing weight
Oolong tea is also called green tea. Oolong tea in China is mainly divided into four categories, namely southern Fujian oolong tea, northern Fujian oolong tea, Guangdong oolong tea and Taiwan Province oolong tea. Oolong tea belongs to semi-fermented tea. Oolong tea contains not only common catechins and tea polysaccharides, but also some special functional components, which have the functions of anti-allergy, anti-inflammation, anti-oxidation, liver cell protection and blood pressure reduction. Oolong tea is effective for losing weight. From the point of view of traditional Chinese medicine, oolong tea is flat and can clear away accumulated heat in the body, which is especially suitable for drinking in autumn and can relieve autumn dryness.
Black tea: warming the stomach and protecting the heart
There are many kinds of black tea in China, which are generally divided into three categories: Kung Fu black tea, small black tea and broken red tea. Black tea belongs to fully fermented tea. Drinking black tea helps to regulate the contents of low-density lipoprotein and high-density lipoprotein in human arteries, thus reducing the probability of cardiovascular diseases. Besides, theaflavins can also resist oxidation and cancer, and prevent chronic inflammation and obesity. Generally speaking, black tea is effective in preventing cardiovascular diseases. From the perspective of traditional Chinese medicine, black tea is warm and has the effect of warming the stomach. People with deficiency-cold constitution and the elderly should drink warm black tea.
Black tea: keeping out the cold and lowering blood fat
Black tea is a unique tea in China, with a long history of production and rich varieties, such as Yunnan Pu 'er tea and Hunan Fuzhuan tea. Black tea belongs to post-fermented tea, which has lipid-lowering effect. Pu 'er tea has the health functions of lowering blood sugar, reducing blood fat and resisting virus, and the lipid-lowering effect may be related to statins. Fuzhuan tea also has a good effect of reducing fat and relieving boredom, and has a strong effect of reducing fat and losing weight. In addition, there are many kinds of minerals in black tea, many of which are higher than other teas. Black tea is warm, which helps to keep out the cold and is suitable for people with deficiency and cold constitution.
White tea: bacteriostasis and radiation resistance
The processing technology of white tea is relatively simple, which is divided into two processes: withering and drying. Due to the special production method of white tea, its finished tea is full of white hair, with stems and leaves, natural and elegant in shape, silvery white and gray-green, and light in soup color. According to different picking standards, it can be divided into Baihao Yinzhen, Bai Mudan, Gongmei and Shoumei. Compared with other teas, white tea has better antibacterial effect. In addition, white tea also has a good anti-radiation effect. In the United States and Europe, white tea extract is used in the development of facial skin care products. White tea is cool and can reduce fire and dryness.
Yellow tea: suitable for everyone.
The main quality characteristics of yellow tea are yellow leaf yellow soup, not only yellow leaf yellow tea soup, but also Huang Liang in dry tea, which has a crisp and pleasant aroma and a mellow and refreshing taste. At present, there is relatively little research on the health care efficacy of yellow tea. Compared with cool green tea and warm black tea, yellow tea is somewhere in between, which is almost suitable for ordinary people to drink.
Hot tea hurts the body, sugar tea nourishes the stomach, and ginger tea cures dysentery; Drink tea after meals to help digestion, and drink tea on an empty stomach to be flustered; Afternoon tea is refreshing, and insomnia in the evening tea; Overnight tea hurts the spleen, and excessive drinking tea is emaciated; Light tea is warm to drink and fragrant to educate people.