We all know that tea stains are easily formed inside teacups, and this is a common phenomenon.Tea stains inside teacups can affect human health, so we need to clean them promptly.

Tea stains contain a lot of harmful metal substances, some of which even contain carcinogens such as nitrates, which are harmful to the body.How to clean tea stains?Let's take a look at this in detail!

How are tea stains formed?

Drinking water contains some inorganic minerals, calcium, manganese, and harmful heavy metal ions such as cadmium, mercury, and arsenic.When water is heated, as the water temperature rises, the solubility of some calcium and magnesium ions decreases, and the concentration of insoluble salts increases. When the water is concentrated to a certain extent, it precipitates out. These precipitates react with tea polyphenols in tea to form tea stains, which adhere to the inner walls of the teacup and become thicker over time.

Are tea stains harmful to the body?

Tea stains are harmful to the body.

Tea stains contain various harmful heavy metal substances such as cadmium, mercury, and arsenic. Some tea stains even contain carcinogens such as nitrates. If tea cups are not cleaned regularly, drinking water with tea stains can harm the body.

What are the harms of tea stains?

Tea stains enter the digestive system and easily combine with food, such asprotein,fats, and vitamins, to form various harmful substances. This not only hinders the absorption and digestion of nutrients in food, but also damages multiple organs, such as the nervous, digestive, urinary, and hematopoietic systems, and even causes premature aging of the human body.Warm tips:After tea has been standing for a long time, a layer of tea stains will form on the teacup. Using salt or

vinegar

to wipe, can quickly remove tea stains.People who enjoy drinking tea should clean their teacups regularly to allow tea to have a better health effect.How to remove tea stains?Salt to remove tea stains

Salt has a good stain removal effect.

Pour a small amount of salt into the teacup and carefully scrub with your hand or brush, then rinse with clean water, and repeat twice to remove the tea stains on the teacup.

Vinegar to remove tea stainsVinegar is acidic and can react with tea stains to form soluble substances, which have a stain removal effect.

Pour a small amount of vinegar into the teacup and let it sit for 5 minutes, then scrub with a brush, and you can easily remove the tea stains in the teacup.

Soda to remove tea stainsSoda has a good cleaning ability, especially for oil stains. It can also remove tea stains.

Pour a small amount of soda into the teacup, add a little water, and moisten it lightly, then scrub with a brush until the tea stains are removed.

Potato to remove tea stainsPeel to remove tea stains

Placepotato peels

in the teacup, pour in boiling water, cover and let it sit for 5-10 minutes, then shake it a few times, and you can easily remove the tea stains.Because potato peels are rich in starch and have a strong adsorption effect, they can easily remove tea stains attached to the teacup.Toothpaste to remove tea stainsToothpaste not only cleans teeth, but also has a good effect on removing tea stains.

Squeeze an appropriate amount of toothpaste on a brush, then carefully scrub along the inner walls of the teacup to effectively remove tea stains in the teacup.

Toothpaste, in addition to cleaning teeth, also has a good effect on removing tea stains.Squeeze an appropriate amount of toothpaste onto the toothbrush, and then carefully brush along the inner walls of the teaware to effectively remove tea stains.