There are five taboos in Yulin tea storage
A bogey moisture: tea is a loose and porous hydrophilic material, so it has a strong moisture absorption and moisture. When Yulin tea is stored, the relative humidity is 60%. More than 70% of it will cause mildew due to moisture absorption and acidification and deterioration.
Second bogey high temperature: the best preservation temperature of Yulin tea is 0-5 °C. Excessive temperature The amino acids, sugars, vitamins, and aromatic substances in tea leaves are decomposed and destroyed, reducing the quality, aroma, and taste.
3. Avoid sunlight: Sunlight will promote the oxidation of tea pigments and esters of Yulin tea, and can decompose chlorophyll into pheophytin. Yulin tea leaves are stored in glass containers or transparent plastic bags. After being exposed to sunlight, their internal substances will react chemically, which will deteriorate the quality of Yulin tea leaves.
4. Avoid oxygen: The chlorophyll, aldehydes, esters, and vitamin C in Yulin tea are easily combined with the oxygen in the air. After the oxidation, the Yulin tea leaves will make the Yulin tea tea soup red and darker. The nutritional value is greatly reduced.
Five bogey odor: Yulin tea leaves contain polymer palm enzyme and dilute compound. This kind of material is very unstable and can absorb odors widely. Therefore, when the tea is mixed with odor-absorbing articles, it will absorb odors and cannot be removed.
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