How long is the shelf life of the six teas?
1, black tea
There is a saying in black tea that the older it is, the more fragrant it is. The most common shelf life of tea is black tea. Generally speaking, brick tea is stored for 10 to 15 years, thousand-tael tea is stored for 10 to 15 years, and loose tea is stored for 5 to 10 years. High-quality tea made of high-grade raw materials has a good taste after 1 to 2 years storage.
Pu 'er tea can be divided into raw tea and cooked tea. Generally speaking, the shelf life of raw tea is about 5 years, and the cooked tea is more fragrant after special fermentation, and the shelf life of tea is more than 15 years.
2. Green tea
The shelf life of green tea is one year at room temperature. Because green tea has not been fermented, it has a longer storage time and the shortest shelf life than other teas. If stored in the refrigerator, the shelf life can be extended appropriately.
3. Black tea
The shelf life of black tea is also relatively short, about one year. If it is black tea picked in spring and autumn, the shelf life is 1-2 years, if it is black tea in bulk, it is 18 months; Generally, the shelf life of bagged black tea is 24 months; The shelf life of black tea packed in paper bags is about 2 years.
4. White tea
Generally speaking, the shelf life of tea is about 2 years. Even after 2 years, if it is well preserved, the aroma of tea will gradually disappear. But white tea is not like this. It is the same as raw Pu 'er tea. The longer the storage time, the more mellow the tea is. There has always been a saying that "one year of tea, three years of medicine and seven years of treasure". Generally, five or six years old white tea can be regarded as old white tea, and ten or twenty years old white tea is very rare. The longer the white tea is stored, the higher its medicinal value, so the old white tea has great collection value. White tea is said that the older the better. Of course, keep it well. White tea is generally sealed, otherwise it will lose moisture or humidity. Only when it is well preserved can we achieve the saying that tea for one year, medicine for three years and treasure for seven years.
5.yellow tea
Yellow tea belongs to fermented tea. Compared with green tea, there is one more stewing process, so the shelf life of yellow tea is basically about one year, just like green tea.
6.oolong tea
Oolong tea generally has a shelf life of about 1-2 years; If it is stored at room temperature, it will be one year, and if it is refrigerated at low temperature, it can be extended for six months; Baked oolong tea should not be refrigerated, just put it in a cool, ventilated and dry place.
Tea has strong hygroscopicity and taste absorption, and it is easy to absorb moisture and smell in the air. If the storage method is slightly improper, it will lose its flavor in a short time, and the more clearly fermented and fragrant precious tea leaves are, the more difficult it is to preserve. Usually, after tea leaves are stored for a period of time, the aroma, taste and color will change, and the original new tea leaves will disappear and the old taste will gradually appear. Therefore, it is very important to master the storage method of tea to ensure the quality of tea.
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