Preservation method for fresh oolong tea

Abstract

The invention discloses a preservation method for fresh oolong tea. The method comprises the following steps that 1, fresh picked oolong tea is placed into clean water to be cleaned and drained for use; 2, the oolong tea is dried, rapidly dried and cooled to 2-5 DEG C, and the water content of dried and cooled tea is lower than 4%; 3, the oolong tea is placed into a vacuum box, the vacuum box is filled with nitrogen and carbon dioxide for 10-20 min; 4, under the nitrogen environment, the oolong tea is placed into a 1-3% biological fresh-keeping agent; oolong tea is packaged, and vacuumizing is performed for storage.

Description

Technical field [0001] The invention belongs to the technical field of tea preservation, and specifically relates to a method for preservation of fresh oolong tea. Background technique [0002] A large number of tea leaves are on the market in the rainy and humid spring. During this time, the temperature is high and the vacant humidity is high. Due to the tight picking time and the changeable weather, reasonable arrangement of raw materials is a major problem; if it is not sold for three to five days, it is easy to absorb moisture and deteriorate. , Affecting the sales of tea, the majority of tea farmers are very troubled. In order to keep fresh tea leaves for a longer period of time, it is generally to put the tea leaves in a ventilated place. Although the time is longer, the color of the tea leaves becomes yellow and black, the tea leaves become weak, and the aroma is seriously lost, which cannot be compared with new tea. Summary of the invention [0003] In order to solve the...

AI Technical Summary

Problems solved by technology

[0002] A large number of tea leaves are on the market in the rainy and high-humidity spring. During this period, the temperature is high and the humidity in the space is high. Due to the tight picking time and the changeable weather, it is a major problem to arrange the raw materials reasonably; if it is not sold for three to five days, it is easy to absorb moisture and deteriorate , affects the sales of tea, and the majority of tea farmers are troubled

In order to preserve fresh tea leaves for a longer period of time, the tea leaves are generally placed in a ventilated place. Although the time is longer, the color of the tea leaves will turn yellow and black, the tea leaves will become lighter, and the aroma will be seriously lost. It cannot be compared with new tea.