The safety truth of the four tableware
In daily life, there are a variety of tableware: plastic, ceramic, stainless steel, wood, bamboo, etc. Some tableware is colorful, very beautiful, and some tableware is delicate in texture and fine workmanship. So what is the safety of these cutlery? How do they affect the health of users and how should they be used correctly?
Ceramic tableware, health and threats coexist
Ceramic tableware is almost one of the dishes used in every household. Although ceramic tableware is relatively safe, the lead in ceramics is inevitable in the production process, and may also contain elements such as cadmium, mercury and radium. Chronic poisoning can easily occur during prolonged and improper use. Cadmium damages the kidneys and accumulates in the bones, causing decreased immunity, joint deformation and pain.
Optional and safe use: Lead, cadmium and other elements in ceramic tableware are mainly on the glaze color, but the glaze color porcelain is easy to identify by visual inspection and hand touch. Where the picture is not as bright as the glaze, the hand feel is not smooth or even the edge of the picture The sense of bulging should be carefully purchased. In addition, the purchase of large shopping malls and supermarkets is also one of the ways to ensure quality. Do not choose dishes with very bright colors and bright patterns on the inside. Newly purchased tableware can be boiled in boiling water for 5 minutes before use, or immersed in vinegar to precipitate most of the toxic substances. When in use. Do not use colored ceramic tableware for acidic foods.
Plastic tableware, beautiful and easy to coexist
The smooth and sleek plastic microwave tableware has become a standing tableware in the public. Although its application is more and more extensive, the safety issues cannot be ignored.
Some plastic tableware are colorful and beautifully patterned. There may be problems with the content of lead, cadmium and other metal elements exceeding the standard. Long-term use will cause harm to the human body. On the surface of a typical plastic product, there is a protective film. Once the film is scratched by a hard device, harmful substances are released. The surface of inferior plastic tableware is often not smooth, and harmful substances are easily leaked out.
Optional and safe use: When choosing plastic tableware, try to choose plastic tableware that has no decorative patterns, colorless and odorless, smooth surface and strong hand feeling. Most of the plastic tableware currently on the market are made of polyethylene and polypropylene. Both of these materials can withstand high temperatures above 100 degrees Celsius. It is safe to use. When selecting, please pay attention to whether PE (polyethylene) and PP are marked on the product. Polypropylene) typeface.
The strongest stainless steel cutlery
Stainless steel cutlery is more resistant to corrosion than other metals, and the utensils are beautiful and durable. Therefore, more and more households also use stainless steel cutlery. However, stainless steel is made of iron-chromium alloy and then added with some trace elements. If it is used improperly, the harmful metal elements in the product will also accumulate slowly in the human body. When it reaches a certain limit, it will endanger human health.
Safe use: 1. Do not hold salt, soy sauce, vegetable soup, etc. for a long time; 2. Do not use traditional Chinese medicine with stainless steel utensils; 3. Do not use strong alkaline, strong acid or strong oxidizing chemicals such as soda or bleaching powder. Washing with sodium hypochlorite; 4. If the stainless steel tableware is found to be deformed or the surface is damaged, the tableware should be replaced in time.
"New New Man" in Kitchenware - Imitation Porcelain Tableware
After the melamine problem broke out, the melamine tableware became a target of publicity. The main component of melamine tableware is melamine resin, which is made of melamine and formaldehyde. Qualified melamine tableware is a finished product that is safe in itself and can be used with confidence. Because melamine is used as a raw material to produce melamine tableware, it is a mature process. However, after polymerization with other materials, the finished product is a new type of polymer material that does not contain toxic substances. However, inferior melamine tableware may be left melamine due to technical and production processes.
Optional and safe to use: Melamine tableware is generally not suitable for high temperature cooking or microwave cooking, and try not to use melamine tableware for a long time to hold acidic, oily, alkaline foods or beverages. When buying melamine tableware, you should go to a regular shopping mall to buy. When the melamine tableware appears to be discolored, it indicates that the raw materials used in the product may be recycled waste or industrial materials, which pose serious safety hazards to human health. Consumers can put the melamine tableware that they just bought in boiling water and vinegar for 2 to 3 minutes, or soak in vinegar for 2 hours at room temperature to allow harmful substances such as formaldehyde, melamine and heavy metals to precipitate.
Special note: safe use of chopsticks
1. Use wooden or bamboo chopsticks instead of painted chopsticks.
2. Pay attention to regular washing and disinfection during use, and air dry in time after washing to avoid bacteria and microorganisms on the chopsticks.
3. When chopsticks are used for a long time, the surface will become unsmooth, and it is easy to leave magazines, providing a breeding ground for bacteria breeding, so it is necessary to replace them regularly.