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The formation of tea stains is a common problem in daily life, especially for people who often use thermos cups to make tea. Long-term failure to clean the thermos cup will lead to the accumulation of tea scale, which not only affects the drinking feeling, but also may breed bacteria and cause health effects. Therefore, it is necessary to know how to effectively remove tea scale from a thermos cup. This article will start with the causes of tea scale formation, discuss various ways to remove tea scale, and provide some suggestions to prevent tea scale formation.
1. How is tea scale formed?
Tea scale is mainly formed by the oxidation and polymerization of tea polyphenols, caffeine, proteins and minerals in tea leaves in a high-temperature environment. Especially when using a thermos cup to make tea, the high temperature environment lasts for a long time, and it is easier to form tea scale. In addition, water quality is also an important factor affecting the formation of tea scale, and water with higher hardness contains more metal ions such as calcium and magnesium, which will react with the components in the tea to form tea scale that is more difficult to clean.
2. Is the tea scale in the thermos cup harmful to the body?
Tea scale is mainly formed by the oxidation and polymerization of tea polyphenols, caffeine, proteins and minerals in tea under high temperature conditions, which may also be mixed with scale (mainly the deposition of minerals such as calcium and magnesium in water). In terms of composition, tea scale itself does not contain substances that are harmful to the human body. However, if the tea scale in the thermos cup is not cleaned in time and accumulates for a long time, it will become a culture base for bacteria and molds, and the mass reproduction of these microorganisms may have a certain impact on human health, especially may cause digestive diseases.
In addition, if the thermos cup is not cleaned for a long time, some organic matter in the tea scale will decompose, which may produce some bad taste and affect the drinking experience. At the same time, some studies have also shown that long-term consumption of tea with high levels of tea stains may increase the risk of certain diseases, such as esophageal cancer, but more scientific research is needed to confirm this.
Although tea tartars themselves may not be directly harmful, in order to maintain good drinking habits and maintain personal health, it is recommended to wash the thermos cup regularly to avoid long-term accumulation of tea. Cleaners that are common in life such as baking soda and white vinegar can be used to help remove tea stains.
3. How to remove tea dirt from the thermos cup?
There are various ways to remove tea scales, and here are a few that can be effective:
1. White soap removal method
Using white vinegar is an affordable and easy way to remove tea dirt. Fill a thermos cup with one-quarter to one-third white vinegar and add the same proportion of warm water. Close the lid tightly, shake well, and let it soak for a few hours or overnight. Rinse off with clean water.
2. Baking soda cleaning method
Baking soda has a great cleaning effect. Add one to two tablespoons of baking soda to a thermos tumbler, then add hot water, shake well and let it sit for several hours. The alkalinity of baking soda can neutralize the acidic components of tea scale, thus achieving a cleansing effect.
3. Citric acid or fresh lemon descaling method
Citric acid is a food-grade detergent that is also very effective at removing tea scale. Pour a small sachet of citric acid into a thermos cup, add an appropriate amount of hot water, shake and let it sit for several hours. If you want to use fresh lemons, you can slice the lemons, put them in a thermos cup, add hot water and let them stand. Rinse it well.
4. Toothpaste cleaning method
Toothpaste not only cleans your teeth but can also be used to remove tea grime. Apply a small amount of toothpaste to the inner wall of the thermos cup, wipe it with a toothbrush or sponge, and rinse it off with water.
5. Commercial cleaners
There are also cleaners on the market that are specifically for tea scales, please read the instructions carefully when using them, and follow the instructions to operate, and generally can achieve a good cleaning effect.
4. Suggestions for preventing the formation of tea scales
1. Clean regularly
Regular cleaning of the thermos cup is one of the most effective measures to prevent the formation of tea scale. It is recommended to rinse the cup with clean water after each use and use one of the above methods to deep clean at least once a week.
2. Use soft water to make tea
If conditions permit, try to use soft water to make tea, because the soft water has a low content of calcium and magnesium ions, which can reduce the formation of tea scales.
3. Avoid storing tea for a long time
Avoid storing tea in a thermos cup for a long time, especially in a high-temperature environment, which can greatly reduce the chance of tea dirt formation.
Through the above methods, not only can the tea scale in the thermos cup be effectively removed, but also the formation of new tea scale can be prevented, the vacuum cup can be kept clean and hygienic, and the tea drinking water can be guaranteed to be healthy and safe. Remember, regular cleaning and maintenance of your thermos is an important part of maintaining a healthy diet.