What are the conditions for the storage of tea? Why do some have to be put in the refrigerator?

Tea is a dry product that is very sensitive to moisture absorption, causing qualitative changes. It has a strong adsorption of moisture and odor, and the aroma is easily volatile. When the tea is not stored, factors such as moisture, temperature and humidity, light, and oxygen will cause bad biochemical reactions and microbial activities, which will change the quality of the tea, so there are requirements for what container and what method to use when storing.

Therefore, tea canisters came into being.

Good tea requires good tea canisters. In particular, fragile green tea has higher requirements for freshness. If you don't use a good tea canister, the nutrition and taste will disappear, and it is easy to deteriorate. For a good car, it can only be said to be a waste. This is something that car lovers cannot tolerate.

There are 4 types of base teas, unfermented teas: green tea; Semi-fermented tea: yellow tea, white tea, green tea; Fully Fermented Tea:

Black tea; After fermented tea: black tea, pu-erh tea. Depending on the type of vehicle, the storage conditions are also different.

Emphasis on freshness. West Lake Longjing, Xinyang Maojian, Huangshan Maofeng, etc. are generally stored in the refrigerator for about 5. Tieguanyin, etc., is also best stored in the refrigerator.

If you want to store unopened green tea, Tieguanyin and other tea leaves for a long time, it is best to seal them with stone tea cans before putting them in the freezer to prevent odors. Now the places where Tieguanyin is sold generally have tea vacuum machines. After buying the tea, the boss takes out the vacuum, puts it in the refrigerator when he gets home, and as long as it is not opened, it can maintain the original taste of the tea for a long time.

Represented by the silver needles of the mountains, the tea leaves are relatively tender, and the preservation method is the same as that of green tea. Another way to preserve green tea is by using cans. The cans have good sealing properties and can prevent oxidation in contact with the car and air.

Qingren Liu Xianzheng's "Guangyang Miscellaneous Records" said: "Huishanchuan Qinggan is in Li Cunzhong, and there is tin. "The nature of Yeosu water and tea is the most suitable, and the stone bottle stores the tea leaves, and the aroma does not disperse.

For example, Keemun black tea, red red tea, etc. do not need to be put in the refrigerator in fermented tea. After the tea is fermented, the composition of the tea is basically stable and will not undergo major changes. So after drinking, seal the bag directly and put it in a ceramic jar or purple jar.

If you keep it at home, you can put it in a purple sand jar to not absorb miscellaneous odors and ventilate. In addition, if you use a purple sandbox to store Pu'er tea, the tea will have a better aroma. It represents white peony and is preserved in the same way as Pu'er tea.

Tea storage conditions are generally placed in a dry and ventilated place, because placing it in a humid place will cause the tea to cause mold and moisture, and some tea leaves are placed in the refrigerator because of the nature of the tea.

First of all, we need to know that when storing tea leaves, it should be placed in a dry place, and it should be isolated from moisture, and it should be avoided from direct sunlight, because this can ensure the freshness of the tea, and it should be placed in the refrigerator because of the enzyme fermentation in the tea leaves.

Generally speaking, the storage conditions of tea should be kept in a dry and ventilated place, as leaving it in a humid place will cause the tea leaves to become moldy and damp. Some tea leaves are kept in the refrigerator because of the nature of the tea leaves.

China has a long tea culture, since ancient times, people like to drink tea, taste tea, often drink some tea, can also make the body healthier. Although many people prefer to drink tea, they often don't know how to store tea when storing it, especially when the weather is hot, if it is not stored properly, it is likely to make the tea spoil. Generally speaking, tea can be stored in the refrigerator, which is also the best way to store tea.

Especially for some tea leaves that have a relatively short shelf life, it is most suitable to store them in the refrigerator, so that you can drink them at any time and take them at any time without worrying about the tea spoiling. If it is unopened tea, if you want to make the shelf life of the tea longer, you can also store it in the refrigerator. However, some teas do not need to be stored in the refrigerator when stored, such as oolong tea, jasmine tea or black tea, etc., as well as Pu'er tea, which is best stored in a ventilated and dry place to avoid mildew.

In addition to storing it in the refrigerator, you can also put the tea leaves in a tin can for preservation, and the effect is also very good. You can choose a double-layer iron tea caddy, then fill the tea leaves without leaving any gaps, and then glue the gap between the lids with adhesive tape, which can make the air in the tea canister less and achieve the best storage effect. Many people may think that when storing tea, it is okay to just put the tea in a ventilated and dry place, but there are many places that need to be paid attention to, such as storage temperature and light.

If the temperature is too high, it is likely that the tea will oxidize faster, and it will easily deteriorate. In addition, we should also pay attention to the control of light, if there is too much light, it will not only make the pigment in the tea oxidation and discoloration, but also make other substances in the tea react, resulting in an unpleasant odor, so we must pay more attention when storing tea.

Tea leaves cannot be frozen in the refrigerator. First of all, the temperature of the freezer compartment of the refrigerator is low, and the tea leaves are in a frozen state, the tea will be drained of water, which is easy to cause the tea to fall apart, and at the same time, it will also reduce the activity of the tea and lose the original flavor of the tea.

Tea can be put into the refrigerator for storage, when storing must pay attention to the temperature in the refrigerator, it is best to control the temperature at 6.

Absolutely. When storing, the tea should be placed in the refrigerator at a temperature of about 5, and if the tea leaves are opened, they should be placed in the freezer.

<>1. Oolong tea (lightly fermented), green tea, and yellow tea need to be frozen or refrigerated in the refrigerator.

2. The degree of fermentation of these tea leaves is low, the substances in the tea are active, and they are susceptible to oxidation and change, and then the temperature and light will also become a threat to the storage of tea, so it is necessary to put the tea in an aluminum foil bag and seal it, and put it in an iron can after the collapse, and store it in the refrigerator with a temperature control of 0 5.

It can be stored in the refrigerator, but not all tea leaves are suitable for storage in the refrigerator.

Green tea, oolong tea, and royal tea are suitable for storing in the refrigerator. These three types of tea are easy to decompose at high temperatures and have a brown color. However, the premise is that they cannot be kept in the refrigerator with the odor, otherwise they can easily turn sour.

Therefore, you can first put the tea leaves in a tea tin box, wrap them tightly with plastic wrap, and then put them in the refrigerator.

Flower tea and pu-erh tea should not be stored in the refrigerator because low temperature conditions can inhibit the aroma and reduce the concentration of flower tea. Pu-erh tea is a fermented tea that is fermented by enzymes for use in the reincarnation of the sun and needs to be ventilated, cooled and dried for maximum effect. Therefore, Pu'er tea and flower tea should not be stored in the refrigerator, as long as they are stored in a tea tin box.

Brewing method

1 Hyakzuru bathing (cup washing): Wash the tea set with boiling water.

2 Guanyin enters the palace (falling tea): Put Tieguanyin into the tea set, and the amount of tea accounts for about half of the capacity of the tea set.

3 Hanging pot high flush (tea): Raise the boiling water and flush it into the teapot or lid to make the tea leaves.

4 Spring breeze blowing (scraping foam): Gently scrape off the floating white foam with a pot lid or ou lid to make it fresh and clean.

5 Guan Gong Patrol City (Pouring Song with Tea): Pour the tea after brewing for one or two minutes into the teacups side by side.

6 Han Xin Dianbing (Tea): When the tea is poured to a small amount, it should be evenly dripped into each teacup little by little.

7 Appreciating the color of the soup (looking at the tea): Taste the color of the tea in the cup.

8 Sip Ganlin (drink tea): Take a hot sip, first smell its fragrance, then taste its taste, sniff while sipping, and drink lightly. Although the amount of drink is not much, it can leave a fragrance on the teeth and cheeks, only the bottom is sweet, and the heart is relaxed.

For green tea, yellow tea, and some oolong teas, they need to be stored in the refrigerator, while Pu'er tea, white tea, black tea, black tea, and Hand Sparrow oolong tea with a high degree of fermentation need to be stored at room temperature and sealed.

If the existing tea leaves are green tea and lightly fermented Tieguanyin, then it is suitable to be placed in the refrigerator, especially green tea. At the same time, it should be noted that the tea leaves put in the refrigerator need to be sealed, such as the tea leaves that have not been opened or unpacked, they can be put directly into the refrigerator, in addition, do not open them frequently to avoid the invasion of water vapor.

For rock tea, black tea and other oolong teas, due to fermentation, the nature of the tea itself is relatively stable and less affected by the outside world, so it needs to be stored at room temperature, sealed and in a cool place. White tea and black tea need to be transformed in the later stage, so they also need to be completely sealed, and only in a sealed environment, the contents of tea can achieve the transformation effect without external environmental interference.

Precautions for tea storage

The most important thing to prevent when storing tea is peculiar smell and mildew. Tea is very dry, adsorption is also relatively strong, it is easy to absorb the taste of the surrounding environment, if the storage environment smell is larger, then it will affect the drinking quality of the stool potato tea, so the storage environment must not have a peculiar smell.

At the same time, the tea should not be placed in a humid and hot place to avoid qualitative changes caused by moisture and heat, and can be stored for a longer time. Conditions for preserving tea: one is to be dry (water content is about 6%), and the other is the best low temperature (about 5).

Theoretically, the storage and storage of tea is ideal for drying and refrigeration, oxygen-free (pumping into vacuum or nitrogen filling) and avoiding light and preserving jujube residue. However, due to the limitations of various objective conditions, it is often impossible to have both. You can grasp the necessary requirement of tea drying, and then take some other measures, but also according to the specific type of tea specific analysis.

1. Black tea, Pu'er tea and white tea are naturally due to the reasons of later transformation, especially Pu'er tea, which is more important to the drinking price of the late aging of the body and the tribe. Putting these two types of tea in the refrigerator, in addition to the above-mentioned moisture problem, in the low temperature environment of the refrigerator, the activity of biological enzymes in the tea will also decrease, thus affecting the efficiency of tea transformation.

2. Jasmine tea due to its own aroma, if it is placed in the refrigerator, its aroma will gradually become weaker.

3. But there is a special case here, which is the snow in Bitan. Because Bitan Piaoxue added jasmine in the later stage of the production process, it is appropriate to put it in the refrigerator, which is conducive to the preservation of the fragrance of flowers, but the aroma will also be lost after long-term storage.

1. Tea can be stored in the refrigerator. But different tea leaves have different storage methods.

2. Because tea is rich in tea polyphenols, polyphenols, vitamin C and carotene, it is easy to oxidize, so the ambient temperature, relative humidity, peculiar smell, light, air and microorganisms will affect the quality of tea. In order to keep it from deteriorating, it must be avoided by avoiding high temperature, high humidity, light and oxygen.

The materials used to preserve tea in daily life are aluminum foil composite bags, utensils, and a combination of both. Tin pots are preferred, but other clay pots, metal boxes, etc. are also acceptable. It is best to put an appropriate amount of tea preservative in the packaging bag to preserve the tea leaves in a composite bag.

Of all the tea leaves, green tea is best stored in the refrigerator. If the storage time is short and you need to drink it at any time, you can put the green tea in the refrigerator and adjust the temperature of the refrigerator to about 5 degrees Celsius; However, if it is an unopened tea leaf and you want to keep it for more than a year, you should put it in the freezer. In addition, because tea is very "good" at absorbing taste, in order to prevent tea from becoming a "deodorant" in the refrigerator, the tea should be sealed and packaged before being put into the refrigerator, and a sufficient amount of special preservative should be filled into the packaging bag, and the packaging material should be preferably an aluminum foil composite bag.

It should be noted that after taking out the tea leaves from the refrigerator, do not open the package immediately, the correct way is: take out the tea leaves in the refrigerator and let it slowly heat up, and after it rises to room temperature (usually every other day), open the packaging bag, and then brew and drink. And it is best to drink it in half a month.

Compared with green tea, oolong tea, black tea, and jasmine tea do not need to be stored in the refrigerator. Due to the relatively low content of polyphenols in oolong tea and black tea, the aging and deterioration rate is slower and easy to store. Flower tea has a strong floral aroma, and storage at low temperature will inhibit its aroma and reduce the freshness and concentration of the aroma. Therefore, as long as it is placed in a dry, sealed container, away from light and odor, it can be stored for a long time.

Pu-erh tea is best stored at room temperature and does not need to use desiccant.