preservation method
Refrigerator storage
Place the tea in a dry, odor-free, sealed container bottle and place it in the fridge freezer. If the amount of tea is small and very dry, it can also be sealed in a good film bag with good moisture-proof properties and placed in the refrigerator.
Jar storage method
The tea leaves are packed into tinplate tea pots with double lids. It is best to fill them without leaving any voids, so that there is less air in the jars. The double cover must be tightly closed, and the cover gap should be glued with adhesive tape. The tea jar should be packed in two layers of nylon bag to seal the bag mouth.
Vacuum flask deposit method
Put the tea in a dry thermos bottle, close the lid, and seal the bottle mouth with white wax.
Precautions: The moisture content of the tea in the preservation should not exceed 5% (green tea) - 7% (black tea). The tea can be dried or dried first and then stored. The tools for frying tea and baking tea should be very clean. Can not have a bit of grease or odor; and slow drying with slow fire, we must pay attention to avoid scorching tea and broken or other odor pollution.
Save the most basic requirements
One should be dry and the other should be low temperature (generally 0-5°C is more suitable).
Shelf life
Tea is a drink, of course, has a shelf life. After the shelf life or improper storage, the tea will also be mildewed. Moldy tea can't be drunk anymore. Usually, the shelf life of sealed tea leaves ranges from 12 months to 24 months, which is indicated on the tea bags. The shelf life of bulk tea is even shorter. When buying, try to buy the new tea that year.
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Factors affecting hippocampus tea storage
Temperature: The higher the temperature, the easier the brown color of the tea leaves to turn brown, and the cold storage (frozen) can effectively slow the browning and aging of the tea.
Moisture: When the moisture content of tea exceeds 5%, the quality of the tea will be accelerated and deteriorated, and the oxidation of residual enzymes in the tea will be promoted, which will degrade the color of the tea.
Oxygen: Oxidation of various substances that cause deterioration of tea is related to the presence of oxygen.
Light: Light irradiation has a negative effect on tea leaves. Light will accelerate the progress of various chemical reactions in the tea. Chlorophylls are easily discolored by light.
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