There are six main types of Tea, and the storage time after opening varies depending on the type. Green and yellow teas can typically be stored for about 2 to 3 months after opening. These types of tea are particularly susceptible to oxidation and should be consumed as soon as possible. Black and Oolong teas can be stored for 6 to 12 months after opening. Dark teas and Pu'er teas can be stored long-term if properly preserved after opening.
How Long Can Opened Tea Be Stored?
If tea is left unsealed after opening, it can be stored for around 3 months. The key to preserving tea is keeping it dry, sealed, away from light, and free from odors. Leaving opened tea unsealed makes it susceptible to external influences, accelerating the oxidation of its internal components and shortening its Shelf life (to around 3 months). If you seal the tea in an aluminum bag and place it in a metal tin, then cover the tin with a Plastic bag and tie it securely, you can store it in the refrigerator.
How to Store Opened Tea:
After opening, store the tea in containers or Bags with high airtightness at room temperature. To prevent moisture, adding a desiccant can help maintain freshness better.
Also, storing tea in the refrigerator can cause it to absorb odors from the fridge, and when taken out, condensation may occur, so these should be avoided.
Additionally, after opening, try to consume the tea within 2 weeks to 1 month.
Tea Storage Tips:
1. If the storage temperature for tea is too high, the quality of the tea will change easily. The higher the temperature, the faster the quality changes. Storing tea at 0°C can inhibit aging and preserve its quality.
Therefore, it is recommended to store tea in the refrigerator at home.
2. Since tea is porous, it easily absorbs moisture. If the moisture content of the tea exceeds 5%, it will spoil quickly.
Therefore, it's important to keep tea dry during storage. Paper tubes are not recommended for tea cans because they have poor moisture resistance.
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3. Direct contact with air can lead to oxidation of the tea. Choose appropriately sized tea cans and fill them mostly with tea, minimizing the amount of air inside, and then seal them tightly for storage.
4. Direct exposure to light can cause changes in the internal components of the tea, with stronger light causing more noticeable changes. Transparent containers should not be placed in direct sunlight.
Canned, tubed, and boxed teas should not be kept in places exposed to light for extended periods.