Generally speaking, the green tea leaves stored in the refrigerator do not need to put a desiccant. But the green tea leaves taken from a tea can every day need to be put in desiccant. Because every time you open the tea can, there will be an exchange of air inside and outside. The humid air outside will enter the tea can, causing the tea to mold and deteriorate.

When processing fresh green tea leaves, stir-fried with high temperature is used to destroy the catalytic enzymes in the tea and prevent the catalytic enzymes from oxidizing tea polyphenols and other beneficial chemicals in the tea. High temperature can also fully dry the tea leaves, further prevent the oxidation reaction caused by moisture, and ensure the quality of the tea leaves. Generally, the tea leaves that need to be stored for a long time will be placed in the refrigerator in order to prevent the tea leaves from being oxidized by the catalytic enzymes that have not been destroyed. For the tea that is used every day, you can put a silica gel desiccant in the tea can to protect the tea from easily oxidizing and destroying its beneficial substances such as tea polyphenols.