Do not drink hollow tea

Tea is not easy to keep, easy to absorb moisture and mildew, and some people save for the love of tea, could not bear to discard the moldy tea. Deteriorating tea contains a lot of harmful substances and germs that cannot be consumed. If the tea leaves are left for too long after being soaked, the tea soup will deteriorate due to oxidation and microbes, and such tea cannot be used again.

Second, the first tea because the modern tea in the process of planting, processing, packaging will inevitably be subject to pesticides, fertilizers, dust and other substances. The first tea is actually water for washing tea. It should be poured out as soon as possible after it is poured out. This makes the tea that is most healthy.

Third, the burnt tea is burnt with the burnt tea. The nutrition has been lost and the taste is not good.

Fourth, long time brewing tea brewing too long, tea polyphenols, lipids, aromatic substances, etc. can be automatically oxidized, not only dark tea, poor taste, low fragrance, loss of taste value; but also because of vitamin C in tea , Vitamin P, amino acids, etc. reduced due to oxidation, so that the nutritional value of tea soup greatly reduced; at the same time due to the tea soup shelved for too long, by the surrounding environment, the tea in the micro-organisms (bacteria and bacteria) a large number of very unsanitary.

Fifth, cold tea should be hot and drink, cold tea has the disadvantages of stagnation and polygamy. In other words, warm tea, hot tea can make people feel refreshed, ears congqingmingming; cold tea on the body there are cold, polythene side effects.

6. Hot tea tea is generally brewed with high-temperature water, but it cannot be consumed when the water temperature is too hot. Too hot teas have strong irritations in the throat, esophagus, and stomach. If you drink too hot tea for a long time, you may cause damage to these organs. According to foreign studies, people who regularly drink tea at a temperature of more than 62oC are more likely to suffer damage to the stomach wall and prone to gastropathy. The temperature of tea should be below 56oC.

Seven, tangy tea taste is a toxin, such as paint, camphor and so on.

Eight, strong tea contains a lot of strong tea, caffeine, theophylline, etc., very stimulating, drinking tea can lead to insomnia, headache, tinnitus, vertigo, is not good for the stomach and stomach, some people will have a sense of vomiting after drinking.

9. The tea that has changed especially overnight, even if it doesn't taste bad, it also breeds and reproduces a large number of bacteria. Because tea contains a large amount of protein, most of it is insoluble in hot water, and remains in the leaves. When the water temperature is high, the protein on the tea will rot, and once it is left for a night, there will be a strain of bacteria that grows in the tea. Residual tannins become irritating, powerful oxides that stimulate the stomach and cause inflammation. Therefore, overnight tea is not suitable for drinking.

Of course, undisturbed overnight tea still has its role in medical treatment. Such as: overnight tea is rich in acid, fluoride, can prevent capillary bleeding; such as suffering from stomatitis, tongue pain, rash, bleeding gums, skin bleeding, sore mouth and other available overnight tea treatment; eyes appear red or regular Tears, wash your eyes several times a day with an overnight tea, can play miraculous effects; before and after brushing your teeth every morning or after eating, a few sips of tea overnight, not only can make your breath fresh, but also the role of solid teeth, and so on.

Ten, the elderly should not drink raw tea The so-called raw tea refers to after drying without drying the baked green tea without rubbing. The tea is green and green in shape, and contains almost the same compounds as fresh leaves. The low-boiling alditol compounds have little conversion and volatilization, and the aroma has serious green gas. The elderly drink this kind of green tea, and it is very irritating to the gastric mucosa. After drinking, it is easy to produce stomachache; young people will also feel stomach discomfort after drinking, which is commonly referred to as “squeezing the stomach”. Mistakes to buy this kind of raw tea, it is best not to directly drink, can be placed in a non-greasy iron pot, slow fire slowly with a slow fire, roast green gas, to be produced after the mild chestnut after drinking.

Fasting tea drinking fasting tea, tea into the lungs, will be cold spleen and stomach, equal to "to lure wolf into the room," China has since ancient times "do not drink hollow tea" theory.

Pre-dinner tea tea will dilute saliva before meals, making the diet tasteless, but also temporarily reduce the function of digestive organs to absorb protein.

Immediately after meals, tea contains tannic acid, which can interact with the protein and iron in food to affect the digestion and absorption of protein and iron.

Using tea to drink tea contains a lot of tannins, can be broken down into tannic acid, combined with many drugs and produce precipitation, hinder absorption, affect the efficacy. So, as the saying goes: "tea hydrolysate