No, black tea (such as Pu 'er tea) is post-fermented tea. The most important thing to preserve black tea is to keep it dry and ventilated, such as putting it in a purple sand jar.

The preservation method of tea leaves is as follows:

1, black tea belongs to fully fermented tea, aging and deterioration are slow, as long as it is stored in a closed and dry container, such as a clay pot.

2. Green tea belongs to non-fermented tea. Just seal the tea in a tea pot, cover it with a plastic bag, seal it and put it in the refrigerator.

3. The fragrant tea in oolong tea can be preserved like green tea, and it can be put in tin cans.

Extended data

Five precautions should be taken when storing tea.

1, moisture-proof, tea easily absorbs moisture in the air and accelerates deterioration.

2. Protect against high temperature, which will accelerate the degradation of chlorophyll in tea.

3, odor prevention, summer tea is more likely to deteriorate due to absorption of odor.

4, anti-glare, tea is directly irradiated by strong light for a long time, which is prone to photochemical reaction and makes it deteriorate.

5, anti-oxidation, high temperature in summer, tea is more prone to oxidation than other seasons.

Reference materials? People's Network-There are five points for attention when storing tea. Black tea is stored in clay pots, and green tea is kept in the refrigerator.