Use of expired tea: watering flowers with tea can make the vitality of flowers more tenacious, and washing sweaters or brightly colored clothes with tea can reduce the fading of clothes.
If there is peculiar smell on the refrigerator or other daily necessities, you can also wash it with tea water, which can effectively eliminate the peculiar smell.
Tea originated in China. Tea was first used as a sacrifice. However, it has been used as food since the late spring and Autumn period, and developed into medicine in the middle of the Western Han Dynasty. It was not until the late Western Han Dynasty that it developed into a palace high-grade beverage and popularized folk as an ordinary beverage. That was after the Western Jin Dynasty. The earliest remains of artificially planted tea were found in Tianluo mountain site in Yuyao, Zhejiang Province, with a history of more than 6000 years.
After modern scientific separation and identification, tea contains more than 450 kinds of organic chemical components and more than 40 kinds of inorganic mineral elements. The organic chemical components and inorganic mineral elements in tea contain many nutritional and pharmacodynamic components. Organic chemical components mainly include: tea polyphenols, vegetable bases, proteins, amino acids, vitamins, pectin, organic acids, lipopolysaccharides, sugars, enzymes, pigments, etc.