After a long time, unfinished tea leaves will form tea stains. Can these tea stains cause cancer?

Dodge, commonly known as tea-stained tea mountain, refers to the long-term accumulation of tea when the inner wall of a tea set is placed. Especially for old teapots, thick dirt accumulates together, which is called "tea mountain" in tea culture. This kind of teapot with a layer of tea mountain can often improve the collection value of teapot.

A prolific teapot can only put hot water, which can melt dirt on the inner wall and turn water into tea, praising "no tea, three flavors". Tea sets that have not been cleaned with dirt for a long time will become moldy in a humid environment. It is rumored that tea sets contain metal substances such as cadmium, lead, iron, arsenic and mercury, which may induce cancer. But if the tea paper contains this heavy metal, it is mainly because the water, tea leaves and cups used for making tea are polluted, so it contains heavy metals, not the tea paper itself. With dirt. The main cause of tea scale is the tea polyphenols contained in tea. When a small amount of metal cations in water react with tea polyphenols, tea scale will be produced. It usually appears near the repair of the cup body and adheres to the inner wall of the cup body. The longer the time, the more difficult it is to remove the dirt.

Remove the dust from the metal compartment partition. Cars made of metal sometimes turn black. It can't be washed off with heavy detergent, and dirt can be easily removed after soaking in vinegar or bleach. Remove dust from a teacup or teapot. Long-term use of teacups or teapots will produce a lot of dirt, which can be easily removed by wiping with a sponge dipped in salt. Remove small dirt, soak it in bleach or makeup remover and leave it overnight to remove dirt. Wipe with toothpaste or broken eggshells and rinse with water. Put a spoonful of orange juice or orange juice in a teacup or teapot, fill it with clear water and leave it for 2 ~ 3 hours. If the tea set and tea set lose adhesion, they can be easily removed. Dirt is hard to wash after a long time. Soak in heated rice vinegar or baking soda for a day, and then wipe it with a toothbrush, which is easy to clean.

If you use a teapot, you don't have to clean it like this. The teapot itself has pores, and the minerals in the oil are absorbed by the pores, which has a nourishing effect on the teapot and will not cause harmful substances to "run to the car" and be absorbed by the human body.