Introduction: Green tea is unfermented tea, retains the natural substances of fresh leaves, and contains more nutrients such as tea polyphenols, catechins, chlorophyll, caffeine, amino acids, and vitamins. These natural nutrients in green tea have special effects on anti-aging, prevent cancer, anti-cancer, bactericidal, anti-inflammatory and so on. Green tea is a kind of tea, which is made by some typical processes, such as killing green, rolling and drying. Its dry tea color and the tea soup is the green color as the leaves, so the name of green tea. Green tea is made from the picked fresh leaves after high temperature, kill all kinds of oxidase, keep the green tea color, and then by rolling, dry, clear soup and green leaves are the common characteristics of green tea.
The health benefits and functions of green tea.
✵1. Green tea is anti-aging: Green tea contains antioxidants that help fight aging. Because the process of human metabolism, if peroxidation happens, will produce a large number of free radicals, easy to aging, will also cause cell injury. The SOD(superoxide dismutation) is a free radical scavenger, which can effectively remove excess free radicals and prevent the damage of free radicals to the human body. Catechin in green tea can significantly increase the activity of SOD and scavenge free radicals.
✵2.Green tea is antibacterial: Studies have shown that green tea's catechins have the effect of inhibiting some of the bacteria that cause disease in humans, without harming the growth of beneficial bacteria in the intestine, so green tea has the function of regulating the intestine.
✵3.Green tea lowers blood lipids: Animal experiments conducted by scientists have shown that catechins in tea can reduce the amount of total cholesterol, free cholesterol, low-density lipoprotein cholesterol and triglyceride in plasma while increasing high-density lipoprotein cholesterol.
Human experiments have shown that it can inhibit platelet aggregation and reduce the incidence of atherosclerosis. Green tea contains flavonols, which are antioxidants that prevent blood clots and platelets from clumping together and reduce cardiovascular disease.
✵4.Green tea reduces fat: Green tea contains theophylline and caffeine, can activate protein kinase and triacid glyceride hydrolytic lipase through many actions, reduce adipose cell accumulation, achieve effect reducing weight accordingly.
✵5. Green tea prevents cavities and bad breath: Green tea contains fluorine, and catechins can inhibit caries and reduce plaque and periodontitis. The tannic acid contained in tea has a bactericidal effect and can prevent food scraps from breeding bacteria, so it can effectively prevent bad breath.
✵6.Green tea protects against cancer: Green tea may inhibit some cancers, but the mechanism is limited to the inference phase. To prevent the occurrence of cancer, drinking more tea is bound to have its positive encouraging effect.
✵7. Whitening and anti-UV effect of green tea: In animal studies, experts have found that the catechins in green tea fight skin cancer caused by UV-b.
✵8. Green tea improves indigestion: Recent studies have shown that green tea can help improve indigestion, such as acute diarrhea caused by bacteria.
The disadvantages of drinking tea.
✵1. Every month when the menstrual period comes, at this time, menstrual blood will consume a lot of iron in the body, so female friends at this time better take more iron-rich in vegetables and fruits, such as spinach, grapes, and apples.
But if used to drinking tea after meal, the tannic acid that contains in green tea is as high as to 50%, it can hinder our bowel mucous membrane to the absorption of iron, greatly reduce the absorption degree of iron, it is easy to produce the phenomenon of precipitation with ironstone in chyme or blood-tonic medicine in intestines and intestines consequently.
✵2. Green tea is not good to drink when you are pregnant. General strong tea contains caffeine concentration as high as 10%, will increase the urine and heartbeat frequency of pregnant women, and increase pregnant women's heart and kidney load, more likely to lead to pregnancy poisoning, so it is proper to drink less tea.
✵3. Pregnant women should not drink too much tea before labor. Because if drink too much strong tea before labor, the theine in tea can produce an exciting effect and cause insomnia if pregnant woman sleeping time is insufficient before labor, that may bring about exhaustion when childbirth, still can cause dystonic circumstance to appear.
✵4. Women who want to personally breastfeed after birth should not drink too much tea. Because if drink a lot of tea during this period, the tannic acid that contains high concentration in tea can be absorbed by mucous membrane, affect the blood circulation of mammary gland further, can restrain the secretion of milk, cause milk secretion insufficient.
✵5. After the mother drinks the tea, the caffeine in the tea can penetrate into the milk and indirectly affect the baby, which is harmful to the baby's health.
✵6. The women in menopause, in addition to dizziness and lack of strength, sometimes she also appear accelerated heartbeat, so bad temper, poor sleep quality, and other phenomena, if drink too much tea will aggravate these symptoms, so those who like drinking tea better stop during these special stages.
Tips of drinking green tea.
What is the proper time to drink green tea: Green tea contains many beneficial nutrients, such as catechins and beta-carotene, vitamin C, vitamin E and so on, so many people drink green tea often, but there are also some tips about drinking green tea, so when is the proper time to drink green tea?
✵1. Seasonally speaking:
Green tea is bitter and slightly cold. Drinking it in the cold winter can easily cause a cold stomach, and may affect appetite. And when summer is coming and hot, drink green tea to be able to take just the nature of its bitter cold, eliminate heat, generate saliva and quench thirst. And summer weather is burning hot, the person exhaust more energy, perspire much, blood stick consistency heightens very easily, the person is easy exhaustion, giddy. High blood viscosity puts a heavy load on the heart. Green tea has strong astringency and rich amino acid content, which can relieve heat and cool down.
✵2.Think about it in terms of your day:
Green tea contains a large amount of tannic acid, which combines with protein to produce tannic protein, which ACTS as an astringent, reducing intestinal motility and thus prolonging the retention time of food residues in the intestine, leading to dry stools. So it's proper not to drink tea after a heavy meal. A good cup of tea one hour after meals and two hours before bed can help with digestion and hydration.
Do not drink tea before or after meals, because drinking tea immediately after the meal, the tannic acid in the tea can be combined with the iron in the food into insoluble iron salt, reduce the absorption of iron, easy to induce anemia, wait for one hour after the meal, the iron in the food has been basically absorbed, then drinking tea will not affect the absorption of iron.
✵3.Never drink tea before going to bed, or it will affect your sleep:
Don't drink green tea on an empty stomach.
Drink tea on an empty stomach is able to hurt the body, especially to the person that does not often drink tea, can restrain gastric juice to secrete, hinder digestion, still can cause palpitations seriously, have a headache and other "tea drunk" phenomenon. Don't put too much tea in the evening.
When is the proper time to drink green tea? As mentioned above, it is usually summer and spring, and it is good to drink tea one hour after dinner and two hours before going to bed.
Often drink green tea to be able to help clear free radical, defer senescence(anti-aging), prevent cancer, prevent cell gene mutation, restrain the malignant tumour to grow, lower blood fat, lower blood pressure, prevent cardiovascular disease, still can prevent cold, caries and eliminate halitosis.
What kind of green tea is good.
✵Picking season: Spring tea is the proper green tea, followed by winter tea.
Therefore, tea in spring is better and fresher. If in summer and autumn two seasons, not only the amount is not much, and spring tea is deposited right now, also not very fresh normally. Green tea is usually made from buds. The tender buds, when roasted, will form a white fuzz, which is the better tea.
✵Date of manufacture: When buying packaged green tea, pay special attention to the manufacturing date and storage period. In principle, the fresher the better. Once opened, drink it as soon as possible so as not to lose the fresh flavor and nutrients of green tea.
✵1.Look at the color: Where the color green, tea leaves thick, or there are more white hairs, is generally spring tea.
✵2.Shape: Flat green tea strips flat, straight and smooth, no yellow point, no green leaf stem is good tea; Curly or spirally shaped green tea, thin and tight cords, fronted seedlings reveal good raw leaves, fine processing.
✵3.Scents: Good tea has a fresh, fragrant aroma with a hint of cooked chestnut.
Introduction: Green tea is unfermented tea, retains the natural substances of fresh leaves, and contains more nutrients such as tea polyphenols, catechins, chlorophyll, caffeine, amino acids, and vitamins. These natural nutrients in green tea have special effects on anti-aging, prevent cancer, anti-cancer, bactericidal, anti-inflammatory and so on. Green tea is a kind of tea, which is made by some typical processes, such as killing green, rolling and drying. Its dry tea color and the tea soup is the green color as the leaves, so the name of green tea. Green tea is made from the picked fresh leaves after high temperature, kill all kinds of oxidase, keep the green tea color, and then by rolling, dry, clear soup and green leaves are the common characteristics of green tea.
✵1. Green tea is anti-aging: Green tea contains antioxidants that help fight aging. Because the process of human metabolism, if peroxidation happens, will produce a large number of free radicals, easy to aging, will also cause cell injury. The SOD(superoxide dismutation) is a free radical scavenger, which can effectively remove excess free radicals and prevent the damage of free radicals to the human body. Catechin in green tea can significantly increase the activity of SOD and scavenge free radicals.
✵4.Green tea reduces fat: Green tea contains theophylline and caffeine, can activate protein kinase and triacid glyceride hydrolytic lipase through many actions, reduce adipose cell accumulation, achieve effect reducing weight accordingly.
✵1. Every month when the menstrual period comes, at this time, menstrual blood will consume a lot of iron in the body, so female friends at this time better take more iron-rich in vegetables and fruits, such as spinach, grapes, and apples.
What is the proper time to drink green tea: Green tea contains many beneficial nutrients, such as catechins and beta-carotene, vitamin C, vitamin E and so on, so many people drink green tea often, but there are also some tips about drinking green tea, so when is the proper time to drink green tea?
✵Picking season: Spring tea is the proper green tea, followed by winter tea.
