Some tea leaves themselves are relatively dry, often placed on a relatively humid coffee table, which is easy to absorb water and get wet. This kind of tea will go bad faster. If the quality of tea changes beyond the shelf life, don't drink it. Health comes first.

The main factors affecting the quality of tea are temperature, light and humidity. If the storage method is proper, reducing or eliminating the above factors can prolong the storage time of tea without deterioration. If the storage temperature is increased or it is not sealed, the expiration time of tea will be greatly shortened. Therefore, the premise of how long tea expires is preservation, and then the shelf life of various teas.

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