Why use a vacuum sealer?
There are numerous types of equipment being marketed for vacuum packaging food at home. These machines may extend the storage time of refrigerated foods, dried foods and frozen foods. However, vacuum packaging is not a substitute for the heat processing of home canned foods, nor is it a substitute for refrigeration or frozen storage of foods that must be kept cold. In fact, vacuum packaging can add to the concerns associated with storing of perishable foods. With any food that is vacuum packaged, you must take care to avoid making the food unsafe to eat: by handling the food improperly (e.g. vacuum packaging meat and then not refrigerating or freezing it), or by vacuum packaging semi-dried foods that can support the production of botulism toxin. How do vacuum sealers work? Producing a vacuum means removing air from the contents of a package. Oxygen in air does promote certain reactions in foods that cause deterioration of quality. For example, oxidative rancidity of fats in food and ce