Health packing small knowledge

Life cannot leave the exquisite packaging, from bottled drinks, paper packaging, fruit and vegetable labels to plastic bags, packaging is closely related to our daily life, once the wrong packaging use may lead to big trouble. Packing health, one aspect from packaging materials, another aspect, is the packaging testing. How to choose the packaging, do you know about the knowledge? If you want to save a variety of foods for a long time, use metal or glass containers are the most appropriate, because they are not afraid of heat and cold, can cut off the air, also will not release harmful substances. No matter choose what kind of material of container, the lid seal is very important, had better choose to have the lid of the silicone gasket, avoid air to enter, to keep the food fresh. Without bleaching, dedicated to the traditional paper wrapped food, have very good separated oil, moisture, moisturizing effect, but in the frozen food, can only short-term use. Aluminum foil sealing and moisturizing effect, by contrast, an edge, but it is easy to tear, there was a mistake, if the seal will fall short. Therefore, wrapped in aluminum foil, can in the outer piece of paper. To avoid waste, aluminum foil and paper can all be reused.