Tea packaging material selection to consider quality and safety

As a kind of food, tea must be packaged to prevent contamination of the packaging material in order to reduce the deterioration of the product due to the influence of packaging. When packaging tea, consider the quality and safety of tea packaging materials.

1. There are many common tea packaging materials, such as paper, plastic film, metal, and ceramics. There are also some wood, bamboo and other materials can also be used for packaging. When choosing tea packaging materials, it is mainly from the economic and health aspects, that is, the choice of packaging materials must be reasonable at the same time, but also in line with national health requirements, such as quality preservation, moisture and moisture, but also Consider preventing the entry of microorganisms.

2, in the choice of packaging materials but also to prevent deterioration of tea aging. Tea contains tea polyphenols, amino acids, alkaloids and other substances, these substances easily receive the temperature and humidity and light oxygen. These must be taken into consideration when selecting the packaging material. At the same time, the tea polyphenols in the tea are prone to oxidation and polymerization reaction, and the oxidation of the tea polyphenols is avoided when the tea is stored, so that the tea leaves deteriorate.

3. The quality of tea leaves is greatly affected by the environment. Therefore, the quality of tea packaging materials needs strict control. First of all, we must pay attention to moisture protection, moisture protection in tea packaging is the key. Secondly, tea packaging must be protected from light. Illumination will speed up the changes in the various components of the tea and destroy the quality of the tea. The oxygen content in the final environment is also an important factor in the packaging of tea, and the gas barrier properties must be considered when selecting the packaging materials.

The choice of tea packaging materials should fully consider the safety of its quality according to the characteristics of tea and the principle of tea deterioration. In turn, the quality of tea leaves can be preserved for a long time during packaging.