Bamboo and wood utensils are not toxic, but they are easily contaminated by micro-organisms. They should be scrubbed when used. Painted bamboo and wood utensils are harmful to the human body.
The outer layer of paper cutlery is often covered with plastic film or wax, and it is not easy to hold freshly-kept foods.
Glass cutlery can sometimes “mouldy†and can be removed after washing with alkaline substances such as soap.
Plastic tableware contains vinyl chloride carcinogens that can induce cancer over a long period of time.
Aluminium cutlery aluminum accumulates too much in the human body and can cause arteriosclerosis, osteoporosis in the elderly, and dementia. Therefore, care should be taken not to scrape aluminum pans with rice. In addition, it should not be used for long-term meals and long-term salty foods.
Iron rusted iron cutlery should not be used because rust can cause vomiting, diarrhea, loss of appetite and other symptoms. In addition, it should be noted that oil should not be placed in iron vessels for long periods of time, because iron is easily oxidized and corroded.
After the brass utensils rust, they will produce “pink greenâ€, ie, copper carbonate and blue tincture, which are harmful substances that can cause nausea, vomiting, and even serious poisoning accidents.
Ceramic tableware ceramic glaze contains lead and lead is toxic. Excessive human intake can damage health.
Enamel cutlery contains lead compounds such as lead silicate, which can be harmful to the human body if not processed properly. The purchase of enamel dishes should be superbly crafted with high quality products.