Tea Storage: A Crucial Aspect of Preserving Tea Quality

Storing tea may seem like a small matter, but it is a significant issue that should not be overlooked. Proper tea storage is the foundation of brewing and enjoying good tea. It would be heartbreaking if the tea you’ve managed to purchase is wasted due to improper storage. Many people have the habit of storing everything in the refrigerator, from vegetables, meats, fruits, to even face masks and stockings. Consequently, when it comes to tea, they may also store it in the fridge, but they worry that it might become damp and ruin the quality of the tea. In fact, different types of tea have different storage principles. Storing them under the right conditions maximizes their collectible value, so to enjoy good tea, one must also store it well.
Understanding the two principles and one taboo of tea storage at home starts with knowing what tea storage should avoid the most. The primary concerns in tea storage are odors and mold. Tea is very dry and has a strong adsorption capacity, making it easy to absorb odors from the surrounding environment. If the storage environment has strong odors, it greatly affects the drinking quality of the tea.


Therefore, the storage environment must be odor-free. If your refrigerator is filled with pickles and leftovers, storing tea in such conditions can easily lead to flavor contamination, affecting the aroma and taste of the tea. If necessary, you can purchase a dedicated tea storage refrigerator to avoid these issues. Even if not stored in the refrigerator, if the aging process of Pu’er tea absorbs odors, its original aged fragrance is destroyed.



Additionally, tea should not be placed in humid and hot areas to prevent moisture and heat damage, ensuring a longer preservation time. The conditions for preserving tea are: first, dryness (with a water content of around 6%), and second, preferably low temperature (around 5 degrees Celsius). However, it is important to note that some teas are not suitable for storage in the refrigerator, such as Dahongpao and Pu’er.


From a theoretical standpoint, the ideal storage conditions for tea are dry refrigeration, oxygen-free (vacuum-packed or nitrogen-filled), and light-free. However, due to various objective limitations, it is often impossible to have all these conditions. One can focus on the essential requirement of tea being dry and take additional measures, while also analyzing the specific type of tea.


Different tea types have different storage methods:


01 Green Tea: Green tea or lightly scented Tieguanyin and similar teas that need to maintain freshness or aroma activity can be stored in the refrigerator at a suitable temperature of approximately 0-5 degrees Celsius. By changing the environmental temperature, the oxidation rate of the chemical components in the tea is reduced, ultimately slowing down the aging and deterioration of tea quality.


02 Yellow Tea: When storing yellow tea, you can place a preservative in the tea bag, seal it, and store it in a container directly in the refrigerator (with the temperature preferably controlled around 5 degrees Celsius). It is important to avoid refrigerating it with other foods to prevent the tea from absorbing odors.


Black tea, with its low moisture content in dry tea leaves, is prone to humidity and fragrance loss. To preserve its aroma, avoid mixing different types of tea during storage. It is generally stored in sealed cans, tea bags, or thermos bottles. Before placing black tea, package it in a plastic bag, expel the air, and add a seal clip to better retain the tea’s fragrance.


Oolong tea, a semi-fermented tea, is relatively easy to store. It can be stored in porcelain jars, metal cans, or tea bags, but the most suitable is a tin can. When filling the can, ensure the tea is packed full to reduce oxidation, and then seal the lid.


Dark tea requires storage conditions that are ventilated, dry, and odorless. Maintaining ventilation and dryness is the most critical when storing dark tea; avoid sealing with plastic bags! It is best to use packaging materials with good permeability, such as kraft paper or leather paper. If storing a large quantity, place a certain amount of activated carbon around it to absorb moisture and odors.


Pu-erh tea can be stored in ceramic urns or pots. Ceramic products are characterized by their ventilation and breathability, making them very suitable for storing Pu-erh tea. The mouth of the pot does not need to be sealed; covering it with a layer of kraft paper to block dust is sufficient. Every 3-5 months, turn the stored tea, which can achieve twice the result with half the effort. Tea is not meant to be consumed in one or two sittings, especially rare fine teas. Although most households do not have an entire room dedicated to tea storage, there are usually several types of tea that cater to the preferences of the whole family. Proper tea storage enhances the flavor of the tea.



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