Qingming tea is the tender tea collected during the Qingming period, and it is the first tea in a year. At this time, the tea has no pests and diseases, no pollution and pure fragrance. Qingming tea can be preserved for one year if it is properly preserved. Tea will go bad if it is not properly preserved. It is recommended not to drink.

2 is Qingming tea green tea or black tea Qingming tea is divided into black tea and green tea.

Qingming tea is not the name of a specific variety of tea, but is generally a mixture of pure wild single fir and some unknown ones. Qingming tea is the beginning of spring tea picking. Green tea is a process of picking new leaves or buds of tea trees without fermentation, enzyme fixation, shaping and drying. It is unfermented tea and retains the natural substances of fresh leaves. The chemical composition of fresh leaves of black tea changes greatly during processing, and black tea belongs to fully fermented tea. The tea picked in Tomb-Sweeping Day can be made into black tea or green tea.

Does Qingming tea have a shelf life? Qingming tea has a shelf life.

The shelf life of Qingming tea is generally related to what kind of tea it is made of. If it is made into green tea, the shelf life is about one year, and it is best to drink these teas within one year. If it is made into black tea, the shelf life will be longer. Under the premise of proper preservation, black tea can be preserved for 2-3 years.

4 How to preserve Qingming tea The preservation of tea leaves is related to storage containers, ambient temperature, humidity, oxygen, light and other factors.

1. Tin cans, jars and colored glass bottles are the most suitable for storing tea, followed by tin cans and wooden cases, and plastic bags and cartons are the worst.

2. The higher the temperature, the easier it is for the color of tea to change, and some even turn brown. Low temperature storage is helpful to slow down the discoloration and aging of tea.

3. The higher the moisture in the air, the faster the deterioration of tea. Moisture will promote the oxidation of residual enzymes in tea, which will not only lead to discoloration of tea, but also lead to mildew of tea.

4. If tea leaves are exposed to air all the time, some substances in tea leaves will be oxidized, which will also affect the quality and storage time of tea leaves.

5, light, light will also affect the color of tea, light will promote various reactions in tea, long-term light chlorophyll will fade.