Regarding tea, Chinese medicine has such a legend, "Shennong tasted hundreds of herbs, encountered seventy-two poisons every day, and got tea to solve it."
The Tang Dynasty poet Lu described tea tasting vividly in his poem. The world calls it "Seven Bowls of Tea Poems".
"One bowl of throat kisses, two bowls are broken and lonely." Three bowls of dry intestines, only five thousand volumes of writing. Four bowls of light sweat, ordinary life, all scattered to the pores. Five bowls of muscle and bone clear, six bowls of fairy spirit. Seven bowls can not eat also, only to feel the two armpits to practice the breeze. ”
From the first bowl of tea to the seventh bowl of tea, the sipping realm is different.
TCM's understanding of tea
There are about 16 kinds of ancient medical books in the mainland that record about 20 kinds of health care effects of tea, and about 219 kinds of medicinal effects, such as "refreshing the eyes, quenching thirst and curing diarrhea, and removing greasy and sobering up wine" and so on.
"Shennong Materia Medica": "Tea tastes bitter, and drinking it makes people think, lie down less, be light, and see clearly." ”
In the "Shennong Food Classic", it is said: "Tea tea is served for a long time, which makes people powerful and happy." ”
"Guangya" said: "Jingbajian picks tea as a cake and drinks sober wine, which makes people sleepless." ”
Lu Yu's "Tea Classic" said: "Tea is used for use, the taste is cold, it is the most suitable for drinking, and those who are frugal and virtuous, if they are hot and thirsty, their brains are painful, their limbs are troubled, they are uncomfortable, they talk about four or five sips, and they compete with Daigo manna." ”
In the "New Cultivation of Materia Medica Mubu", it is said: "Tea, bitter tea, sweet and bitter taste, slightly cold and non-toxic, main fistula, good urination, phlegm and hot thirst, let people sleep less, spring harvest." Bitter tea, the Lord's breath, small meals. Also known as "eating under the breath, drinking, adding zhu yan, green onion, ginger liang." ”
In the Southern Song Dynasty, Yu Zai recorded in the "Outer Collection of Ancient and Modern Hebi Matters": "Tea has the effect of rational headache, drinking and eliminating food, and making sleepless".
Li Shizhen's "Compendium of Materia Medica": "Tea is bitter and cold, the most able to reduce fire and relieve the poison of wine and food, making people think refreshed, not sleepy, the work of this tea is also." ”
Modern research on the benefits of drinking tea
1, drinking tea can lower lipids, blood pressure
Researchers at the University of Hong Kong found that drinking tea reduced blood cholesterol levels by 25 percent. Another study of the relationship between drinking tea and the incidence of hypertension found that the incidence of hypertension in people who do not drink tea is 10.55%, and 6.95% of people who drink tea regularly, and tea does have a certain antihypertensive effect.
2, drinking tea helps to refresh the mind
The caffeine in tea can promote the excitement of the central nervous system of the human body, enhance the excitatory process of the cerebral cortex, and make people mentally excited.
3. Drinking tea helps to enhance memory and prevent Alzheimer's disease
The amino acids, minerals and tea polyphenols in tea have a certain protective effect on the brain, which can improve human intelligence to a certain extent, effectively delay brain degeneration, and help maintain the health of cerebral blood vessels. Drinking more tea can also improve memory and prevent dementia in early aging.
4, drinking tea helps to antioxidant
Tea polyphenols have strong antioxidant and physiological activity, and are scavenging agents of free radicals in the human body. Studies have shown that 1 mg of tea polyphenols is equivalent to 9 micrograms of superoxide dismutase (SOD) and much higher than other similar substances. Other experiments have proved that the anti-aging effect of tea polyphenols is 18 times stronger than that of vitamin E.
5. Drinking tea can reduce the risk of cardiovascular and cerebrovascular disease and death.
According to the British "Daily Mail", a new study found that drinking 3 cups of tea a day can reduce the risk of myocardial infarction by 70%. Finland and France have also reported that drinking 2 to 3 cups of tea a day can reduce the risk of stroke.
6. Drinking tea can help reduce the risk of diabetes.
Researchers have long-term follow-up observations of 17,000 men and women aged 40-65 years old, and found that those who drank more than 6 cups of green tea a day had a 33% lower risk of diabetes than those who drank less than 1 cup a week.
7, drinking tea has a weight loss effect
The researchers found that those who drank tea for more than 10 years reduced the proportion of body fat in men by about 20% compared with those who did not drink tea, and 30% in women.
In addition, drinking tea can also improve immunity, improve the body's bactericidal power, have the effect of relieving stress and anti-anxiety, can eliminate fatigue, refresh, blindness, digestion, diuretic detoxification, prevent caries, eliminate bad breath, is simply too much.
Although the tea is good, don't drink it casually. Pay attention to the following five and six taboos.
Tea drinking is five times appropriate
1. Diabetics should drink more tea
Drinking tea has the effect of quenching thirst, enhancing physical strength and lowering blood sugar. Diabetics should drink green tea, the amount of tea can be increased, several times a day to brew drink.
2. It is advisable to get up early and replenish water with light tea
After a day and night of metabolism, the human body consumes a lot of water, and the blood viscosity is large. Drinking a cup of light tea not only replenishes water, but also dilutes the blood and lowers blood pressure. But be careful not to drink too much, otherwise it will dilute the gastric juice and affect the digestion of breakfast foods.
3. When diarrhea, it is advisable to drink more tea
Diarrhea is easy to make people dehydrated, drink more tea, tea polyphenols can stimulate the gastric mucosa, so that its absorption of water is faster than simply drinking boiled water, tea polyphenols can also kill bacteria and stop diarrhea.
4. It is advisable to drink tea after sweating
At this time, drinking tea can quickly replenish the water required by the human body, accelerate the excretion of waste products in the body, reduce muscle soreness, and gradually eliminate fatigue.
5, after eating greasy, too salty food should drink tea
Tea juice and fatty foods form a liquid emulsion, which is conducive to accelerating the discharge into the intestines and making the stomach comfortable. Eating too salty, easy to cause blood pressure to rise, should drink tea diuretic as soon as possible, excrete salt.
Drinking tea is six taboos
1. Avoid drinking strong tea on an empty stomach
The caffeine contained in strong tea is often excessive, which can easily cause tachycardia and arrhythmia. When drinking strong tea on an empty stomach, stomach acid will be diluted, inhibiting the secretion of gastric juice, hindering digestion, and even causing palpitations, headaches, stomach discomfort, dizziness, upset and other "tea drunkenness" phenomena, and affecting the absorption of protein, and will also cause gastric mucositis.
2. Avoid drinking tea before going to bed
Substances such as theophylline in tea have a significant excitatory effect on the central nervous system, so drinking tea at night will make the spirit excited and affect the quality of sleep. Tea also has a diuretic effect, drinking tea before going to bed is easy to urinate frequently at night, affecting the quality of sleep.
3. Avoid drinking overnight tea
Tea is left for a long time, vitamins are lost, and it is easy to deteriorate, endangering health.
4. Avoid drinking tea after getting drunk
Tea has the effect of exciting the nerve center, and drinking strong tea after drunkenness will increase the burden on the heart. Tea drinking has a diuretic effect, so that the toxic aldehydes in alcohol are excreted from the kidneys before they are decomposed, thereby increasing the burden on the kidneys.
5. Avoid drinking tea after meals.
Tea should not be drunk half an hour before meals and within one hour after meals, because tea contains more tannic acid and theophylline, tannic acid will inhibit the secretion of gastrointestinal secretions, and the protein in food coagulation, the formation of tannic acid protein coagulants that are not easy to be digested by the human body, and a large amount of tannic acid will strongly stimulate the gastrointestinal mucosa, resulting in gastric dysfunction, resulting in indigestion; theophylline will reduce the body's absorption of iron in food by half, resulting in the occurrence of anemia.
6. Do not use tea to take medicine
Tannin and theophylline in tea can chemically react with certain drugs, such as theophylline can reduce the analgesic effect of some drugs. Therefore, it is not advisable to send medicine with tea.
The following groups of people avoid drinking tea.
1. Children
Because the tea polyphenols in tea are easy to interact with iron in food, it is not conducive to the absorption of iron, and it is easy to cause iron deficiency anemia in children.
2. Pregnant and lactating women
A large number of tea polyphenols and caffeine in tea have many unfavorable factors for the growth of the fetus in the mother, such as affecting the development of intelligence, in order to make the intelligence of the fetus develop normally, pregnant women avoid excessive stimulation of the fetus by caffeine; too much caffeine will enter the milk, and the baby will indirectly produce excitement after sucking, causing less sleep and more crying.
3. The elderly
The elderly drink raw tea, which is irritating to the gastric mucosa and is prone to stomach pain; young people will also feel stomach discomfort after drinking.
4. Malnourished people
Tea has the function of breaking down fat, malnourished people, if you drink tea again, decompose fat, will make it aggravate malnutrition.
5. People with fever
The caffeine in tea can not only increase the body's body temperature, but also reduce the efficacy of the drug.
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