The harm of tea stains to the human body
There is a saying in the folk: Drinking tea without washing the cup, the king urged his life. The meaning of this sentence is that harmful substances in tea scales can damage the organs such as the stomach and intestines. Drinking water contains minerals and trace harmful substances, such as cadmium, mercury, arsenic, etc. When brewing tea, these precipitates in water combine with tea polyphenols in tea to oxidize and produce brown tea rust, which is attached to the tea cup, commonly known as tea stain.
Some studies have found that after entering the human digestive system, tea stains are easily combined with proteins, fatty acids and vitamins in food to form a variety of harmful substances, resulting in insoluble precipitates. This oxide not only hinders the body's absorption and digestion of nutrients in food, damages many organs, but also causes neurological, urinary, hematopoietic system lesions and functional disorders, causes premature aging, causes fetal malformations, and even causes cancer.
Cleaning method for tea set
After every time you drink tea, wash it carefully, even if there are no tea stains on the cup. If the cup is already filled with tea stains, you can remove it in the following ways: squeeze the toothpaste with an old toothbrush and wipe it back and forth in a teapot or cup. Because toothpaste contains both detergent ingredients and extremely fine friction agents, it is easy to wipe off the rust without damaging the tea cup. Rinse with water after rubbing. Soak the tea cup with heated rice vinegar or soda water for 24 hours, and then rinse it again and again to clean the tea stains. Pay special attention to the mouth of the cup when cleaning, because the mixture of drool and tea remaining on the outside of the cup is exposed to the air, which is more prone to bacteria. Cleaning the tea septum The tea stain removal method on the tea septum is different. Most of the tea compartments are made of metal, which will become black due to the accumulation of tea stains after use. If you can't wash off with a neutral detergent, soak in vinegar or bleach, it can be easily removed.
There are many ways to clean the tea stain on the teapot. If there is not much tea stain, rub it with sponge and salt. When there is a lot of tea stains, you can soak the teapot in a bleach or cleaning powder solution and leave it overnight to remove the tea stains. You can also put a teaspoon of orange powder or orange juice in the teapot and leave it for 2 to 3 hours after filling with water, which can make the tea scale and tea set lose the adhesion and be easily removed. Scrub the teapot with the broken egg shell, and the tea stain can be easily removed. You can also use potato peel waste, put it in a teapot, boil it with water, and wait for a while to cool it down before brushing, you can easily clean the tea stains attached to the teapot.
Notes on cleaning tea set
It is important to remind without cleaning with steel wire balls that it is best not to brush with coarser cleaning tools such as steel balls when removing tea stains, because these brushes can easily damage the enamel on the inner wall of the tea set, making it thinner and thinner. Tea stains can easily penetrate deep into the tea set and are extremely difficult to remove completely. Should be cleaned with a small soft-bristled brush, toothbrush or cleaning cloth.
The purple sand pot does not need to be cleaned. The purple sand pot does not need to be cleaned, because the purple sand pot itself has pores, and the minerals in tea scale can be absorbed by these pores, which plays a role of curing the pot.