Tea is rich in protein, fat, sugar, vitamins and minerals and other nutrients, is a natural health drink, which contains tea polyphenols, caffeine, tannins, tea pigments, etc., but also has a variety of pharmacological effects. If you use tea cups, tea leaves are soaked in high-temperature water for a long time. Just like warming and boiling, tea polyphenols, tannins and other substances will be leached in large quantities, making the teas rich in color and bitter.
At the same time, because of the high water temperature, the fragrant oil in the tea will volatilize quickly and a large amount of tannic acid and theophylline will seep out. This not only reduces the nutritional value of the tea, but also reduces the tea aroma and increases the harmful substances. In addition, vitamin C and other nutrients will be destroyed when the water temperature exceeds 80°C. Prolonged high-temperature soaking will cause it to lose too much, thus reducing the health care function of the tea.
In addition, some people use enamel tea to make tea, which is also inappropriate. Enamel tea sets are prone to wear over a long period of time, exposing the iron skin. The metal components dissolve with the tea, making the tea yellow and lose its original flavor. Moreover, the enamel tea set radiates heat and heat quickly, and the tea fragrance is also easily distributed. Therefore, it is not advisable to use teapots and enamel tea sets to make tea. If you want to drink hot tea, you can use a teapot or ceramic tea set. After the tea is well brewed, pour it into a warming cup.
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