1. Copper rust (copper hydroxide) easily produced in humid environment and green powder (copper oxide) produced by oxidation in air are toxic substances. In addition, copper and tin produced by friction during cooking are also harmful to human health.
2, copper pot is not suitable for medicine. The chemical composition of copper is unstable and easy to be oxidized, and the reaction with the chemical composition of traditional Chinese medicine will affect the efficacy.
Extended data
The beauty of cooking in copper pots, such as bronze ding and glaze, is taken from CCTV's "Searching for Science" program. Copper products have good energy-saving, antibacterial, water purification, environmental protection, prevention of Alzheimer's disease, treatment of vitiligo, juvenile gray hair and other effects. Copper is an essential trace element for human body and plays an important role in human metabolism.
Extracted from copper, copper has special effects in sterilization. When you pour water into the pot, it has a great bactericidal effect. This phenomenon, known as the "copper ion effect", prevents the generation of microorganisms. And keep yourself clean and hygienic. Copper can kill 157 kinds of harmful Escherichia coli. Experiments show that copper can kill 157 kinds of harmful Escherichia coli. Bacteria can't live on copper products or copper plates.
People's health network-master the correct operation and avoid frying traditional Chinese medicine
Baidu encyclopedia-copper hotpot