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How to store tea and how to preserve tea.
Tea, especially high-grade green tea, is easily deteriorated and loses its original fragrance due to the influence of moisture, temperature, humidity, light and oxygen during storage. Therefore, it is very important to choose appropriate packaging and storage methods to maintain the quality of tea. In packaging, vacuum packaging with aluminum foil bag or packaging with deoxidizer in aluminum foil bag is better. In terms of storage, the special cold storage for tea is the most effective method to solve the problem of large-scale tea storage and preservation. Considering the quality guarantee effect and energy saving of tea, it is most appropriate to control the temperature of cold storage at 4 ~ 10℃ and the relative humidity below 65%. However, it should be noted that when the temperature is above 10℃, the whole box (bag) of tea taken out of the cold storage should be placed indoors for a period of time to make the tea in the box (bag) naturally heat up, and the box (bag) can only be opened when the tea temperature is close to this temperature. If the tea box (bag) is opened immediately after the tea leaves leave the warehouse, the cooled tea leaves will immediately produce condensed water when they come into contact with air, which will lead to moisture absorption and moisture regain of the tea leaves and accelerate aging.