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What are the advantages and disadvantages of Pu 'er tea?
Health care function of pu' er tea;

1, reduce fat and lose weight

Pu 'er tea is closely related to fat metabolism. Pu 'er tea produces new chemicals through a unique fermentation process, some of which contain lipase, which can decompose fat, so Pu 'er tea has the effect of losing weight.

2, lowering blood fat, lowering blood pressure, and resisting arteriosclerosis.

3, anti-cancer, anti-cancer

By comparing a large number of people, scientists have proved that the incidence of cancer among tea drinkers is low. Pu 'er tea contains a variety of rich anti-cancer trace elements, and Pu 'er tea has a strong killing effect on cancer cells.

4. Healthy teeth and tooth protection

Pu 'er tea contains a variety of physiological active components, which have the function of sterilization and disinfection, so it can remove oral odor and protect teeth.

5. Protect and nourish the stomach

At a suitable concentration, drinking mild Pu 'er tea will not irritate the stomach. Thick, sweet and mellow Pu 'er tea enters the stomach and forms a film, which adheres to the surface of the stomach and produces a beneficial protective layer for the stomach. Drinking Pu 'er tea for a long time can protect and nourish the stomach. This is the main reason why consumers who advocate drinking Pu 'er tea at home and abroad call Pu 'er tea "beauty tea" and "longevity tea".

6. Anti-aging

Studies have proved that lipid peroxidation in human body is one of the mechanisms of human aging. The vitamin C, vitamin E, tea polyphenols, amino acids and trace elements contained in Pu 'er tea have antioxidant effects and delay the aging process, so Pu 'er tea is called "Yishou tea".

7. Radiation protection

According to the research results of He Guofan of Guangdong Sun Yat-sen University on Pu 'er tea, drinking 2% Pu 'er tea can alleviate the damage caused by cobalt 60 radiation.

Step 8 wake up

Compendium of Materia Medica says: "Pu 'er tea is the best treatment for oily pericardium, first scraping the intestines to sober up." Facts have proved that tea polyphenols in tea can promote ethanol metabolism and protect the liver. So that the ethanol metabolism can be carried out normally and smoothly. Drinking tea can increase vasoconstriction. Theophylline has diuretic effect, which can promote the rapid excretion of alcohol from the body and reduce the harm after drunkenness. Drinking tea can also supplement vitamin C needed for alcohol hydrolysis and excite the brain center anesthetized by alcohol. So as to play a role in hangover. Moreover, using tea to relieve alcoholism will never hurt the spleen and stomach, nor will it make drunken people vomit a lot and cause nausea.

9. Beauty

Pu 'er tea can regulate metabolism, promote blood circulation, regulate human body and naturally balance internal functions, so it has beauty effect, and is called "beauty tea" overseas.

Disadvantages are not clear at present ..... The category of Pu 'er tea: Pu 'er tea belongs to post-fermented tea, that is, after tea cyanine is made, it will continue to undergo post-oxidation, with mild and non-irritating tea fragrance. The longer it is stored, the more complete the oxidation degree, and the more mellow the tea soup tastes, so there is a saying that Pu 'er tea is more fragrant with age. Pu 'er tea can be divided into trees and shrubs according to tree species, and raw tea and cooked tea according to different production methods. According to the different storage methods, it can be divided into dry storage Pu 'er tea and wet storage Pu 'er tea. Classification by tree species: arbor: the leaves of arbor are mainly picked for tea seeds, and the leaves are larger. Shrub: The leaves of shrubs are mainly picked as tea seeds, which is the dwarf tea tree we usually see, and the leaves are relatively small. Raw tea is classified according to law: the varieties of tea that ferment naturally after tea seeds are picked are called raw tea. Raw tea contains fruit, tannic acid and other ingredients, and the taste of tea is strong. After being left for many years, the tea will become gentle. Because of the strong irritation of raw tea, after 1937, the irritation of tea was degraded by scientific means and artificial fermentation, making it delicious. Dry-stored Pu 'er tea: stored in a clean and ventilated warehouse, the tea leaves are naturally fermented and aged, with the fragrance of camphor trees. After Chen Fang 10-20 years, if properly preserved, it will become more and more fragrant and become a treasure. Wet-stored Pu 'er tea: It is usually placed in a hot and humid place, such as the basement, to speed up its fermentation, and it tastes musty or stale. This kind of tea ages faster than dry Pu 'er tea. If it is properly preserved for 5- 10 years and allowed to ferment naturally, the older it is, the more fragrant it will be. Pu 'er tea, if properly preserved, will be more fragrant as it ages. However, if it is not properly preserved, it is prone to white spots or macula, which tastes a bit musty. Packaging form of Pu 'er tea: Because of its mild and mellow taste, it has become the new favorite of tea market. Pu 'er tea is mostly pressed into a solid shape, and the common styles are: Pu 'er lotus tea is shaped like ordinary tea, but it is not pressed into a fixed shape. Pu 'er tea brick: compact rectangular or square, brick-like, weighing between 250 and 500 grams. But some are as small as 5g or as large as 18kg.

Pu 'er Tuocha: The appearance is as tight as bird's nest and bowl-like. It can be divided into small Pu 'er Shencha, scented tea and big Tuocha, with the weight as small as 5g and as large as 18kg. Mushroom tea: Pu 'er tea is pressed into mushroom shape, weighing about 250g. Column tea: Pu 'er tea is pressed into a column, and then wrapped with bamboo pieces or shells. The weight is as small as100g and as large as1000kg. Wolfberry cake: round tea cakes are usually packed in a barrel of seven pieces, so they are called wolfberry cakes. The weight is as small as 25 grams and as large as 3 kilograms. The taste of pressed tea is obviously different from that of non-pressed tea. Non-pressed tea is more complete when fermented, and the tea soup is better, but it wastes space. Compared with tea with the same value, pressing Pu 'er tea only needs about 1/5 space. How to choose Pu 'er tea: Pu 'er tea is mainly produced in Yunnan Province, and it has only been popular in various places since 10. Because the health department has studied the functions of reducing blood fat, losing weight and resisting cancer of Pu 'er tea, especially the longer it is preserved, the more effective it is, so the price changes quite dramatically. Know the place of origin: Pu 'er tea refers to tea produced in Yunnan, mainly produced in six tea mountains, such as Youle, Gordon, Mangzhi, Manzhuan, Mansuo and Yibang. After being made, it was sold in Pu 'er House in Simao area, hence the name. Now the origin of Pu 'er tea has expanded to Yunnan, Guizhou, Guangxi, Guangdong, Sichuan and other provinces. Distinguish between old and new Pu 'er tea: Because Pu 'er tea can be fermented continuously, the older it gets, the more fragrant it will be, and the more expensive it will be. The new Pu 'er tea refers to the newly made Pu 'er tea, which is green in appearance and rich in taste. Old Pu 'er tea refers to Pu 'er tea that has been put in Chen Fangjiu for a long time, because after a long period of post-oxidation, the appearance of tea leaves is purplish red and the white hair turns yellow-brown. Smell tea: Generally, poorly preserved Pu 'er tea will have a musty smell, and some businessmen will add flowers such as chrysanthemums to cover up its smell. Therefore, if you see chrysanthemums or smell flowers in Pu 'er tea, it means that the quality of tea is not pure. Distinguish the color of tea soup: ask the clerk or boss to try it and observe the color of tea soup. Because the aged Pu 'er is mellow for many years, the color of tea soup is dark, but it is by no means dark. However, the tea soup of the new Pu 'er tea is lighter in color. But this can only be used as a reference, because even new tea will be deep, and the best way is to try it. Try drinking: Try drinking is the most important part of buying tea, because a cup of tea is good or not, from which we can know that a good cup of Pu 'er tea will not be moldy or bitter. The newly-made Pu 'er has white hair and has not been aged, so it will have bitterness; Pu 'er tea is mild and non-irritating, so it tastes mellow. Will Pu 'er tea deteriorate? If Pu 'er tea is properly preserved, it will be more fragrant with age, but when it is bought back, it will be found that there is a shelf life on the outer packaging of Pu 'er tea. This is because it is stipulated that food must be labeled. In fact, consumers can drink Pu 'er tea without paying attention. In addition, if tea is found to have a musty smell, it is generally caused by improper preservation and should not be purchased.

The taste of new Pu 'er tea is very strong and irritating, so people who are used to drinking alpine tea or Pu 'er tea are not used to it. Old Pu 'er tea has been in Chenfang for a long time. After a long period of post-oxidation, the quality of tea becomes mild and non-irritating, which can promote blood metabolism and not stimulate the stomach. It is said that it can also preserve health, help qi and replenish qi, and the longer it is stored, the higher the degree of oxidation, and the more mellow the tea soup tastes. Know the year of Pu 'er tea: The price, grade and storage year of Pu 'er tea are an important factor. The asking price of a brick of Pu 'er tea can range from 100 yuan to 1000 yuan, mainly because Pu 'er tea has the saying that the older it gets, the more fragrant it gets, so the merchants have been moving, and the price is higher in 20, 30, even 50 and 60 years. Nevertheless, here is a simple method to identify the age of Pu 'er tea leaves for reference. Distinguishing method between Pu 'er tea year and tea appearance: The appearance of new Pu 'er tea is fresh.