Ancient classics of tea culture 1. Tea classics.
Tea Classic is the earliest, most complete and comprehensive tea monograph in the world, and is known as "Tea Classic". An encyclopedia of tea? . This book is an epoch-making monograph on the history, origin, present situation, production technology and tea drinking skills of tea production.
2. The Book of brew tea
This is the earliest extant book dedicated to evaluating spring water by water. The full text is only about 900 words, listing 20 places suitable for using tea in China.
3. "Tea tasting should be recorded"
There are 10 articles in this book, among which one to nine articles discuss how to avoid overdue picking, impurity mixing, raw steaming, over-cooked steaming and scorching in the process of making tea. It is still of reference value to distinguish the quality of tea today. The tenth part discusses the characteristics of each tea-producing area.
4. Daguan Tea Science
Daguan Tea Theory is the only monograph on emperor tea in the history of China, written by Zhao Wa, the emperor of the Song Dynasty. There are 20 articles in the book, which describe in detail the origin, collection, cooking, quality and fighting style of steamed green tea in the Northern Song Dynasty.
5. "Tea set picture praise"
Tu Zan on Tea Set is the first monograph on tea set in China. This book draws 12 pieces of famous tea sets in the Song Dynasty, each with a picture and a compliment, and gives each kind of tea the official name and responsibility of the Song Dynasty in an anthropomorphic way, which is full of interest.
6. Continue tea classics
Continuation of Tea Classics is the most complete supplement to Tea Classics from Tang Dynasty to Qing Dynasty, and its content is 10 times that of Tea Classics.
The benefits of tea culture help to delay aging.
Tea polyphenols have strong oxidation resistance and physiological activity, and are scavengers of human free radicals. According to the research of relevant departments, the effect of 1 mg tea polyphenols on eliminating excessive free radicals harmful to human body is equivalent to 9 micrograms of superoxide dismutase (SOD), which is much higher than other similar substances. Tea polyphenols can block lipid peroxidation and remove active enzymes. According to the test results of Tomoyo in Ota, Japan, it is confirmed that the anti-aging effect of tea polyphenols is 18 times stronger than that of vitamin E.
Helps to inhibit cardiovascular diseases.
Tea polyphenols play an important role in human fat metabolism. The human body has cardiovascular diseases such as high cholesterol and triglycerides, such as fat deposition on the inner wall of blood vessels and atherosclerotic plaques formed after vascular smooth muscle cells proliferate. Tea polyphenols, especially catechins ECG and EGC in tea polyphenols and its oxidation products theaflavins, are helpful to inhibit this mottled proliferation, reduce the formation of fibrinogen that enhances coagulation viscosity, make coagulation clear, and thus inhibit atherosclerosis.
Helps prevent and fight cancer.
Tea polyphenols can block the synthesis of carcinogens such as ammonium nitrite in the body, which can directly kill cancer cells and improve the immunity of the body. According to relevant data, tea polyphenols (mainly catechins) in tea are beneficial to the prevention and adjuvant treatment of cancers such as gastric cancer and intestinal cancer.
Prevention and treatment of radiation injury
Tea polyphenols and their oxidation products have the ability to absorb the toxicity of radioactive substances strontium 90 and cobalt 60. According to the clinical trials of relevant medical departments, the treatment of mild radiation sickness caused by radiotherapy with tea extract can reach more than 90%. For cytopenia, the effective rate of tea extract is 865438 0.7%; It has a good therapeutic effect on leukopenia caused by radiation.
Inhibit and resist viruses and bacteria
Tea polyphenols have strong convergence, obvious inhibition and killing effects on pathogenic bacteria and viruses, and obvious anti-inflammatory and antidiarrheal effects. Many medical units in China have used tea preparations to treat acute and chronic dysentery, amebic dysentery and influenza, and the cure rate is about 90%.
Conducive to beauty and skin care
Tea polyphenols are water-soluble substances. Washing your face with them can remove the greasy on your face, collect tea leaves and keep healthy.
Astringe pores, has the functions of disinfection, sterilization, delaying skin aging, and reducing the damage of ultraviolet rays in sunlight to the skin.
Help to refresh yourself.
Caffeine in 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.
Helps diuresis and relieve fatigue.
Caffeine in tea can stimulate the kidney, promote the rapid excretion of urine, improve the filtration rate of the kidney and reduce the retention time of harmful substances in the kidney. Caffeine can also eliminate excessive lactic acid in urine, which helps to eliminate fatigue as soon as possible.
Helps to lower blood fat and help digestion.
What are the functions of tea in Tang Dynasty's herbal notes? Long-term eating can make people thin? Record. What are the ethnic minorities in the border areas of China? Can't you drink tea for a day? Said. Because tea helps digestion and reduce fat, in modern language, it helps? Lose weight? . This is because caffeine in tea can increase the secretion of gastric juice, help digestion and enhance the ability to decompose fat. So-called? Long-term eating can make people thin? That's the truth.
Helps protect teeth and improve eyesight.
The fluorine content in tea is high, and the fluorine content per 100 g of dry tea is 100 mg ~ 15 mg, of which 80% is water soluble. If everyone drinks 10g tea every day, they can absorb 1mg ~ 1.5mg of water-soluble fluoride. Moreover, tea is an alkaline beverage, which can inhibit the reduction of calcium in the human body, help prevent dental caries, protect teeth and strengthen teeth. According to relevant data, it is carried out among primary school students? How to rinse your mouth after drinking tea? Tests show that the rate of dental caries can be reduced by 80%. According to the investigation of relevant medical units, 28.6% cataract patients have the habit of drinking tea; 7 1.4% have no habit of drinking tea. This is because vitamin C and other ingredients in tea can reduce the turbidity of eyes, and drinking tea often has a positive effect on reducing eye diseases, protecting eyes and improving vision.
Green tea is the earliest tea in history. Ancient humans collected wild tea buds and dried tea leaves, which can be regarded as the beginning of green tea processing in a broad sense, at least three thousand years ago. But the real green tea processing began with the invention of steamed green tea in the 8th century, and ended with the invention of fried green tea in12nd century. The processing technology of green tea is relatively mature, which has been used to this day and is constantly improving.
Green tea is the largest tea in China, and its producing areas are distributed in tea-producing provinces, municipalities and autonomous regions. Among them, Zhejiang, Anhui and Jiangxi provinces have the highest output and the best quality, and are the main bases of green tea production in China. In the international market, China green tea accounts for more than 70% of the international trade volume, and its sales areas are all over North Africa and West Africa, as well as more than 50 countries and regions such as France, the United States and Afghanistan. In the international market, the sales of green tea account for more than 1/3 of the total domestic sales. At the same time, green tea is the main raw material for producing scented tea.