It can be sealed with a fresh-keeping box commonly used in the family, and it must be sterilized again after sealing. Bacteria will be brought in when packaging, and there are bacteria in the packaging bag, so it needs to be sterilized again after sealing. If the sterilization work is not done well, you can see that the cold noodles around gluten begin to turn white overnight. After 36 hours, the bag began to bulge, the cold noodles turned sour and then burst.
Cold rice noodles can be said to be sterile after being steamed at high temperature. Pay attention to the microbial pollution of air environment when cooling, and the microbial pollution of vegetables containing cold skin when cooling. Whether the oil is contaminated with bacteria. Whether hand bacteria pollute cold skin when using oil; Whether the knife or tool cut into strips will pollute the cold skin; Whether the box contains bacteria. There is no problem in controlling microbial pollution from these four aspects.
Precautions for vacuum packaging:
The outer packaging of food vacuum packaging bags should be marked in Chinese, with the name of the factory, site and product name, and marked with the words used for food. All products are attached with product inspection certificate after leaving the factory. This kind of food vacuum packaging bag is safer. Color vacuum packaging bags (crimson or black colors currently used in the market) cannot be used for food packaging.
Because this kind of vacuum packaging bag is often made of recycled plastic. Food vacuum packaging bags are odorless and tasteless when they leave the factory. Food vacuum packaging bags with special smell cannot be used as food packaging bags.