What is the healthiest lunch box material?
Heat-resistant glass material
The physical and chemical properties of the glass lunch box are relatively stable, not only resistant to high temperature, but also non-toxic and good in fresh-keeping performance, which is very suitable for holding meals. Moreover, the glass lunch box can be heated by microwave oven, which is a relatively healthy material.
Stainless steel material
The lunch box made of stainless steel has stable chemical properties, relatively good heat preservation and sealing performance, convenient cleaning, low temperature resistance and corrosion resistance. But microwave can't pass through the lunch box made of stainless steel, so it can't be heated by microwave oven.
ceramic material
Ceramic lunch boxes are fast in heating, safe and non-toxic, which can shorten the heating time of meals and have a good fresh-keeping effect. However, ceramic lunch boxes may contain gold and silver threads, so it is recommended to avoid them when choosing ceramic lunch boxes.
Is the stainless steel lunch box poisonous?
Stainless steel lunch boxes are non-toxic when used correctly.
However, if used improperly, it will be toxic. For example, stainless steel lunch boxes are used to hold salt, soy sauce and so on. After a long time, these components contain more electrolyte, and the metal in stainless steel will react with the electrolyte to precipitate harmful metal elements. Stainless steel lunch boxes cannot be used to hold traditional Chinese medicine, because traditional Chinese medicine contains more alkaloids, organic acids and other components, which may cause chemical reactions and make the medicine ineffective.
What is the healthiest material for insulated lunch boxes?
If it is used for thermal insulation, it is suggested that stainless steel is better. Stainless steel insulated lunch box has good insulation effect, long insulation time, large capacity and easy cleaning. Although the glass vacuum insulation lunch box has good insulation effect, it is not convenient to clean, and the plastic insulation effect is not good, so it is not easy to clean. If you want to choose an insulated lunch box, I personally think stainless steel is the best.
Is the insulated lunch box healthy?
Common insulated lunch boxes are stainless steel insulated lunch boxes, and they are food-grade stainless steel. There are few toxic substances in metals. Generally used to make stainless steel lunch boxes must meet certain food safety, so as long as qualified stainless steel insulated lunch boxes are selected, they will generally not have adverse effects on the human body.