Glass and ceramic liner thermos cups are fine, but stainless steel thermos cups are not suitable for making tea and coffee. Soaking tea leaves in warm water in a thermos cup for a long time is like a warm fried egg. The tea polyphenols, tannins and other substances contained in it will be leached out in large quantities, which makes the tea water strong in color and has a bitter taste. The water in the thermos cup will always maintain a high water temperature, and the aromatic oil in the tea will evaporate quickly, which also reduces the clear fragrance that the tea should have. The most serious point is that nutrients such as vitamin C contained in tea will be destroyed when the water temperature exceeds 80°C, losing the proper health care function of tea.
Can I use a thermos cup to make rose tea?
Not recommended. The thermos cup is a water container made of ceramic or stainless steel with a vacuum layer. It has a good heat preservation effect, but it is generally not recommended to use a thermos cup for storage. The harmful substances in rose tea are volatilized, which is not good for human health; even if no harmful substances are produced, it will affect its nutritional value. Therefore, it is not recommended to use a thermos cup to make rose tea in daily life.
Can scented tea be brewed in a thermos cup?
Most of the thermos cups are kept in an airtight manner. Due to the structure of the tea itself, it will be fermented in an airtight condition. The fermented tea will produce some harmful substances to the human body. Tea is rich in protein, fat, sugar, and vitamins. As well as minerals and other nutrients, it is a natural health drink, which contains tea polyphenols, caffeine, tannin, tea pigment, etc., and has a variety of pharmacological effects. Tea leaves soaked in high-temperature water for a long time, like warm Like decocting with fire, a large amount of tea polyphenols, tannins and other substances will be leached out, making the tea color thick and bitter. Nutrients such as vitamin C will be destroyed when the water temperature exceeds 80°C, and long-term high-temperature soaking will make it Too much loss, thus reducing the health function of tea. At the same time, due to the high water temperature, the aromatic oil in tea will quickly volatilize in large quantities, and a large amount of tannic acid and theophylline will ooze out, which not only reduces the nutritional value of tea , reduces the tea aroma, and also increases harmful substances. If you drink this kind of tea for a long time, it will endanger your health and cause various diseases in the digestive, cardiovascular, nervous and hematopoietic systems.
Post time: Mar-13-2023