Tea was first discovered and used, is starting from medicinal. “Shennong tastes all kinds of herbs, 72 for, tea and the solution. “Jin hua of the natural history also has” have a cup of tea, less sleep, “said. Tao hung in the Miscellany said “Ming tea light bones, shake danqiuzihuangjun suit”. Records of danqiuzi drink tea there as early as the Han dynasty, the book of heroic: yuyao man Yu Hong, into the mountains picking tea. A Taoist priest, holding three green cow, flood diversion to the Cascade Mountains, said: “to danqiuzi. Wen Zishan drink often think alike. Mountain tea, can to, praying for a child OU Habitat in the future, while ever left. “Make Dien Bien Phu SI. Family after the mountains, da Ming yan. Danqiuzi for the Han dynasty “deity,” tea culture in one of the earliest Taoist figures, yuyao County, history of the Cascade Mountains for the tea mountain. “Tea” and “Ming” records are exactly the same. Of these records “tea” and “tea”, that is, today’s tea. More surprise us is that as early as when the ER ya Jin Guo Pu’s annotations, commentary: (CHA) small trees such as gardenias, winter leaves, one funeral, Shu names bitter tea. In this so-called “Shu” recorded as a tea-drinking customs first Shu in Cuba to sprout. There in the pot of fresh cream to lay in the Western Han dynasty said: “bitter tea, long food feathering. “All that tea began being used is linked with drugs.
Tea in the English is: healthy liquid soul’s mix. In China known as the “national drink”. Modern science large research confirmed, tea does contains and human health is closely related to of biochemical ingredients, tea not only has refreshing pure, and heat solutions summer, and digestion phlegm, and to greasy weight loss, and pure except annoying, and detoxification hangover, and thirst, and drop fire eyesight, and check dysentery dehumidification, pharmacological role, also on modern disease, as radiation disease, and heart brain vascular disease, and cancer, disease, has must of pharmacological effect. Obviously, more tea leaves of Pharmacological efficacy, wide, no alternative to other beverages. Tea has pharmacological ingredients of tea polyphenols, caffeine, lipopolysaccharide, and so on. Specific roles are:
1, help delay aging
Antioxidant activity of tea polyphenols with very strong and physical activity, is a free radical scavenger. According to relevant departments study proving that 1 mg of tea polyphenols to clear excess free radicals harmful to human body efficiency equivalent of 9 micrograms of superoxide dismutase (SOD), much higher than other similar substances. Tea Polyphenols to block reaction of lipid peroxidation, scavenging enzymes function. Japan Okuda extension test results confirmed the anti-aging effects of tea polyphenols to 18 times times more potent than vitamin e.
2, help prevent cardiovascular disease
Tea Polyphenols on metabolism of body fat plays an important role. Body content of cholesterol, triglycerides, high fat deposits lining of blood vessels, and proliferation of vascular smooth muscle cells after the formation of atherosclerotic plaques and other cardiovascular diseases. Tea Polyphenols, particularly catechins in tea polyphenols ECG, EGC and oxidation products of theaflavins, helps make this spot proliferation is suppressed, formed reduce blood viscosity increase Fibrinogen, coagulation and clear, thus inhibiting atherosclerosis.
3, helping to prevent and fight cancer
Tea Polyphenols can block the synthesis of ammonium nitrite and other cancer-causing substances in the body, and has the efficacy of directly killing cancer cells and improve body immunity. According to statistics, of tea polyphenol in tea leaves (mainly catechins compound), gastric cancer, colon cancer and other cancer prevention and treatment, are beneficial.
4, contribute to the prevention and treatment of radiation injury
Oxidation products of tea polyphenols and its absorption of radioactive strontium-90 and cobalt 60 poison ability. According to the clinical trials of the health sector, for tumor patients in radiotherapy induced by mild radiation sickness treated with tea extracts, efficiency of up to 90% per cent; reduced blood cell disorder, tea extracts effective rate in the treatment of 81.7%; leukopenia due to radioactive radiation treatment better.
5, help prevent and combat the virus strains
There is strong convergence effect of tea polyphenols and pathogenic bacteria and viruses had a significant inhibitory and bactericidal effects of, have a significant effect on inflammatory diarrhea. China has a number of medical units using tea in treating acute and chronic dysentery, amebic dysentery, influenza, the cure rate is about 90%.
6, helps skin
Tea polyphenols are water-soluble substances, use it to wash your face to remove greasy face, shrink pores, disinfection, sterilization, anti aging skin, reduce skin damage from UV radiation in sunlight and other effects.
7, help refreshing
The caffeine in tea can promote human central nervous excitement, enhance the excitement of the cerebral cortex, to the refreshing effect of benefit thinking, pure.
8, help diuretic tired
The caffeine in tea can stimulate the kidneys, urine excreted quickly, improved kidney filtration rate, reduce the residence time in the kidneys of harmful substances. Caffeine can also be ruled out of excessive lactic acid in the urine, and helps the body eliminate fatigue as quickly as possible.
9, contribute to lipid digestion
In the Tang dynasty Bencao Shiyi function of tea “long food is thin,” the record. Ethnic minorities in China “is not a day without tea,” said. Because tea promotes digestion and reduced fat and its great effectiveness, said in modern languages, is to “lose weight”. This is due to the caffeine in tea can enhance the secretion of gastric juice, helps digestion, enhance the ability to break down fat. The so-called “long food is thin,” the truth is here.
10, helps protect teeth for improving eyesight
With high fluoride content in tea, per 100 grams of dry tea with fluorine content of 10 mg ~15 mg and 80% water soluble ingredients. If drinking tea 10 g per person per day, you can absorb water-soluble fluorine 1 mg ~1.5 mg, and tea is alkaline beverage can inhibit the body’s calcium reduces, for the prevention of dental caries, teeth, tooth, is beneficial. According to statistics, in elementary school “after drinking tea therapy rinse” test, tooth decay rates can be reduced by 80%. According to the medical unit for further investigations in cataract patients of tea-drinking habit in 28.6%; non-tea-drinking habit to 71.4%. This is because the ingredients such as vitamin c in tea can reduce eye lens opacity, regular tea drinking to reduce eye diseases, eye eyesight had an active role.
The article collected by HealthyFoodCN.