Vacuum packaging bags are really too common in our daily lives. Nowadays, places where cooked food is sold generally use this kind of vacuum packaging bags. Nowadays, there are many brands on the market, so you must choose the material and the product with good sealing effect to use. The reason for using this product is to keep the food’s nutritional value of color, aroma and taste. So, how to use the food vacuum packaging bag correctly, the following editor will tell you a few things to pay attention to.
First, how to better use vacuum packaging bags should pay more attention when storing. Because the gas moisture in the general air is permeable to packaging materials, there is a certain relationship between the permeability coefficient and the temperature. The higher the temperature, the greater the coefficient and the more serious. Therefore, foods packed in vacuum packaging bags must be stored at low temperatures. If placed at high temperatures, the permeability will be seriously affected and the contents inside will deteriorate.
Second, there are many things to pay attention to when you want to use the vacuum packaging bag correctly. For example, pay attention to the heat sealing of food vacuum packaging bags, be careful not to stick to the sealing part of grease, protein and other residues, to ensure that the sealing can be completely heat sealed. In addition, the vacuum-packed packaging bags need to be heat sterilized. The sterilization temperature and time should be strictly controlled during processing. This is to avoid excessive pressure inside the packaging bag due to excessive temperature, resulting in the packaging bag The seal is separated and broken. Finally, it must be completely exhausted when using it, especially for fresh meat and unshaped, no residual gas, to prevent the residual gas from causing the food in the vacuum packaging bag to spoil and deteriorate.
In short, everyone knows what the role of the vacuum packaging bag is. If you don’t pay attention to these in the process of using it, it will not achieve the effect we want. It can also make the food in it spoil faster, so be sure to follow the correct method. In this way, no other problems will arise. Of course it is not suitable for those fragile things. Because these have edges and corners, it is easy to puncture and penetrate the packaging bag. Therefore, it is best not to use other packaging for such items in vacuum packaging.