Famous qualified black tea (Tie Guanyin and oolong tea) fresh-keeping method

Abstract

The present invention discloses a famous qualified black tea (Tie Guanyin and oolong tea) fresh-keeping method, and relates to a famous qualified black tea (Tie Guanyin and oolong tea) fresh-keeping method capable of keeping the color, aroma, taste and shape of the famous qualified black tea (Tie Guanyin and oolong tea) which is stored for more than half year like that of new tea. According to the method, the new tea with the moisture controlled in 2-3.5% is covered with more than one layer (perferably two layers) of composite films or aluminum foil bags, cans and tins, and the new tea is placed in a refrigeration house with the temperature controlled at 0 to-18 DEG C for storage. The method can keep the color, aroma, taste and shape of the new tea which is stored for more than half year like that of the new tea, so that people can drink high-quality famous qualified new tea all the year round. The new tea is stored in the refrigeration house of Yingshan county food company since June 1997, the famous qualified black tea (Tie Guanyin and oolong tea) treated by the method can kept as the new tea when the famous qualified black tea (Tie Guanyin and oolong tea) is taken out in November the same year, so that the method is truly feasible. Thereafter, the famous qualified black tea (Tie Guanyin and oolong tea) is stored in the refrigeration house of the Yingshan county food company by the method every year.

Description

technical field [0001] The invention relates to a method for preserving the freshness of the famous black tea (Tieguanyin and oolong tea) for more than half a year, which has the same color, fragrance and taste as new tea. Background technique [0002] At that time, my country had black tea (Tieguanyin, oolong tea) tea gardens with an area of ​​more than 2 million mu, with an annual output of tens of millions of kilograms of tea, and many famous and high-quality tea series, nearly 20 varieties. But every year when a large number of famous teas are on the market, the temperature is high and the air humidity is high during this period. If they are not sold for three to five days, they will easily absorb moisture and deteriorate, especially the fragrance will become weak, which will affect the sales of tea. In order to preserve the famous black tea (Tieguanyin, Oolong tea) for a longer period of time, the tea leaves are generally placed in a ventilated place. Although the time ...

AI Technical Summary

Problems solved by technology

However, during the period when a large number of famous and high-quality teas are on the market every year, the temperature is high and the air humidity is high during this period. If they are not sold for three to five days, they will easily absorb moisture and deteriorate, especially the fragrance will become weak, which will affect the sales of tea.

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