Is there a shelf life for tea? This kind of tea has the longest shelf life.

Is there a shelf life for tea? In particular, people who often drink bulk tea should pay more attention to this problem. Is there a shelf life for tea after all? The shelf life of sealed tea is different from that of bulk tea. Let's take a look at this problem.

Is there a shelf life for tea?

With regard to the shelf life of tea, different manufacturers have different standards. Green tea production enterprises, some do not write the shelf life on the packaging, some write the shelf life of 12 months, more write the shelf life of 18 months; the shelf life of black tea is mostly 3 years; black tea, including green brick tea, Pu'er raw tea, Pu'er cooked tea and so on do not write the shelf life.

In fact, the quality of tea is easily affected by temperature, light, humidity, improper preservation, tea will lose the original tea flavor, taste, aroma, soup color will become worse, and even deteriorate.

Usually, the shelf life of sealed packaged tea ranges from 12 months to 24 months. The shelf life of bulk tea is even shorter, because the process of putting it outside will absorb moisture and smell, which not only makes the tea lose its original flavor, but also deteriorates more easily. Such as green tea, it is generally better to be fresh. The shelf life is generally about one year at room temperature.

To judge whether the tea is out of date, there are mainly the following aspects: to see if it is moldy or stale; whether the green tea turns red and the soup color turns brown and dark; the concentration, convergence and freshness of the taste decline, in addition, look at the shelf life on its packaging. In addition, if it is bulk tea, it is best not to drink more than 18 months.

Common shelf life of tea

1. Green tea. The shelf life of green tea is the shortest, generally speaking, the shelf life of green tea is about 1 year at room temperature. Of course, if you are a tuhao and have a refrigerator for storing green tea, the shelf life can be extended to about 18 months.

2. Black tea Black tea has a long shelf life and can be preserved for more than 2 years. But generally speaking, even if the preservation is more appropriate, there will be a change of taste for more than 2 years, so try not to wait until 2 years later to drink.

3. Oolong tea. Oolong tea is, generally speaking, it is only about 18 months if it is refrigerated in the refrigerator. And those that have been baked, like that, can still be drunk even if they are kept for two years.

4. White tea. "one-year tea, three-year medicine, seven-year treasure" white tea has the characteristics that the longer it is stored, the value and taste will rise instead of falling. Of course, this means that the best tea will become dregs if it is properly stored.

5. Black tea. Big black tea also has its own characteristics, which can be preserved for a long time in a clean, moistureproof and odorless environment. However, due to the process, there is no unlimited potential of Shengpu and white tea, generally speaking, loose tea for 3 or 5 years, the taste has reached the best degree.

6. Yellow tea. As the lowest-key and least existential yellow tea, there is more stuffy yellow in the production process than green tea, and its shelf life has not improved greatly because of the dull yellow. A year or so, it's almost done.

7. Pu'er tea. As the most popular Pu'er tea in recent years, the characteristics of Pu'er tea have been "fried" by the majority of collectors. Generally speaking, cooked tea is more than 15 years old.