When stored properly, the shelf life of Dian Hong Tea can reach 2 to 3 years. The best conditions for storing tea are dry, at room temperature, and away from light. Poor storage can cause the tea to age, mold, and spoil. To minimize losses, in large-scale production, methods such as dry airtight storage and vacuum storage are typically used to maintain the quality of the tea.

Typical Shelf Life of Dian Hong Tea

Like Pu'er tea from Yunnan, Dian Hong tea originates from the same region but has a different shelf life due to variations in processing techniques. In terms of its physical form, Dian Hong tea is categorized into loose Leaf and compressed forms (such as Pagoda-shaped red tea and Dian Hong tea cakes).

Under proper storage conditions, loose leaf Dian Hong tea has a shelf life of 18 months. The duration can vary depending on the type of container used for storage. If packed in sealed bags, it can be preserved for up to 24 months; if stored in sealed cans or wrapped in aluminum foil, it can last 2 to 3 years. Under similar storage conditions, compressed Dian Hong tea generally lasts longer. Additionally, traditionally processed Dian Hong tea (specifically sun-dried varieties) tends to have a longer shelf life than those that are oven-dried, usually around 2 to 3 years. However, it is generally not recommended to store Dian Hong tea for extended periods, and it is best consumed within three years for optimal flavor and aroma.

Storage Taboos for Dian Hong Tea

1. Avoid Sunlight

The container holding Dian Hong tea should not be placed in direct sunlight; instead, store the tea in a cool, dry place. Direct exposure to sunlight can degrade the components of the tea, altering its color and taste.

2. Avoid High Temperatures

Dian Hong tea, being a fully Fermented tea, should ideally be stored at a low temperature, such as in a sealed container in the refrigerator. High temperatures can further accelerate the fermentation process, potentially causing chemical changes in the tea over time, degrading its effective components and leading to spoilage.

3. Avoid Moisture

The final step in making Dian Hong tea involves drying, so the tea is susceptible to absorbing moisture. Absorbing moisture can degrade the quality of the tea and may even cause it to mold. Therefore, when storing Dian Hong tea, ensure it is kept dry.

4. Avoid Air Exposure

Dian Hong tea should be stored in an airtight container to prevent oxidation by oxygen in the air, which can degrade the quality of the tea over time.

5. Avoid Odors

When storing Dian Hong tea, take precautions against odors. Tea easily absorbs odors, and if stored near pungent items, it can absorb these odors, negatively impacting its quality and rendering it unsuitable for consumption, ranging from unpleasant to undrinkable.