Is the white porcelain rice cooker safe? How is the smooth glaze formed? Will it precipitate harmful substances?

At what temperature can the glaze of white porcelain release harmful substances? 1. Compared with the teapot, the content of iron oxide can reach 8%, and the content of elements such as silicon and manganese is also quite high. It also contains calcium, magnesium, sodium, potassium and other metal elements needed by the human body. Therefore, using purple casserole to stew soup is very beneficial to our human body, and it is one of the ways for us to absorb the elements needed by the human body. Moreover, the cooked food is very fragrant and the nutrition is not easy to lose. Second, heat resistance is better than white porcelain. Compared with purple casserole, it is more heat-resistant and heated evenly, and the soup is not so greasy. Therefore, purple sand is more suitable for cooking utensils, while white porcelain is more beautiful and most suitable for tableware. Third, safety issues White porcelain is actually made of clay, but there is a glaze coating on the surface. After heating at high temperature, substances harmful to health will be released. Purple casserole does not contain any chemical coating, and is rich in a variety of minerals and trace elements, which are very fragrant whether cooking soup or cooking. However, due to the high price of high-quality purple sand, some black-hearted manufacturers will use the soil dyed with dyes as the raw material of the inner container, so the quality of purple casserole is not easy to grasp. If you buy inferior purple casserole, the harm can not be underestimated.