There are three ways to preserve loose tea leaves:
1. Low temperature storage method: Pack loose tea in suitable containers to ensure that the tea leaves are dry and odorless. Put the tea in the refrigerator or freezer and keep the temperature below 5 ℃, preferably between 0 ℃ and -5 ℃, to extend the shelf life of the tea. Pay attention to sealing the tea leaves to avoid mixing with other foods, and wait for the tea leaves to return to room temperature before brewing after taking them out of the refrigerator.
2. Can storage method: Choose containers with good sealing properties such as ceramic cans, metal cans, or paper cans. Place a small bag of desiccant at the bottom of the can to absorb moisture and maintain a dry environment. Fill the loose tea into the jar as much as possible to reduce air contact, and then seal the jar mouth. Regularly check the condition of the desiccant and replace it as needed, usually every 2 to 4 months.
3. Bag storage method: Use thick and well sealed plastic or aluminum foil bags. Put loose tea into a bag, try to squeeze out the air inside the bag as much as possible, and then seal the bag mouth. You can put the sealed tea bag into a well ventilated jar or cardboard box, and then add some desiccant to further prevent moisture. It is also necessary to regularly check the condition of the desiccant and avoid exposing the tea leaves to strong light or humid environments for a long time.
The above three methods can effectively extend the shelf life of loose tea leaves, but regardless of which method is used, attention should be paid to keeping the tea leaves dry, dark, and sealed to avoid moisture, deterioration, or loss of original flavor. At the same time, it is recommended to choose appropriate storage methods based on the type and quality of tea, and drink it as soon as possible within the shelf life to ensure the best taste and nutritional value of tea.