Tea and coffee: Although tea is a common beverage in our daily life, brewing it in a thermos for a long time can lead to a significant loss of nutrients such as tea polyphenols and vitamins in tea, reducing its nutritional value. In addition, components such as tannic acid and theophylline in tea may also react with the inner wall of the thermos, affecting our health.
It is better not to use a thermos cup to drink coffee, as coffee drinks contain alkalis that can erode the inner wall.
Milk product: Some people put hot milk in a vacuum cup for easy carrying and drinking. However, this practice allows microorganisms in the milk to rapidly multiply at appropriate temperatures, leading to spoilage and easily causing diarrhea and abdominal pain. In high-temperature environments, vitamins and other nutrients in milk are destroyed, and the acidic substances in milk can also react chemically with the inner wall of the thermos, affecting human health.
Traditional Chinese Medicine: Some people also like to fill traditional Chinese medicine in vacuum cups for easy carrying and drinking. However, decocted traditional Chinese medicine generally dissolves a large amount of acidic substances, which can easily react with the inner wall of the thermos and dissolve into the soup, causing adverse effects on the human body. Traditional Chinese medicine can be stored for one or two days only at a temperature of 25 ℃. The high temperature in the insulated cup makes it easy to spoil. It is recommended to store it at room temperature.
Acidic drinks: A thermos should not be used to hold acidic drinks, such as orange juice and lemon juice. stainless steel, due to its high melting point, will not release harmful substances due to high temperature. However, stainless steel will be damaged by strong acids. If it is filled with acidic drinks for a long time, it may damage its inner tank and cause poor insulation.
Salt-based fluid: A thermos cannot contain salt-based fluid, such as saltwater or soup. Because the inner tank of the insulated cup has been sandblasted and electrolyzed, the electrolyzed inner tank can prevent physical reactions between water and stainless steel material, and the corrosive salt may cause damage to it, making it unsuitable to be stored in the cup for a long time.
A thermos is mainly used to keep the boiling and ice water temperatures. If it is required to fill the above beverages or fluids, an additional glass or ceramic cup can be prepared.
Everyday Tricks for Using A Thermos cup
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Why Thermos flasks Are Not Suitable For Acidic Beverages
What Should Not Be Put in an Insulated Vacuum Flask?
What beverages should not be filled in a thermos flask?
Негізгі бет Тәжірибелік нұсқаулар және стиль Avoid to Hold These 5 Liquids in the Vacuum Insulated Stainless Steel Thermos Water Bottles
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