Vacuum Packing is a method of storing food in an airless vacuum environment， usually in a air-tight bag or a canister bottle to prevent the growth of microorganisms such as bacteria mold and yeast. The vacuum environment removes atmospheric oxygen, protecting the food from spoiling by limiting the growth of aerobic bacteria or fungi, and preventing the evaporation of volatile components.

 

Vacuum packing is commonly used for long-term storage of dry foods such as cereals， smoked ； as well as for storage of fresh foods such as vegetables, fruits, fishes and meats to preserve the freshness and flavor of the food, prevent freezer burn, reduce food spoilage, extend the food life up to 3-5 times longer. Vacuum packing becomes very popular mow in household food preservation home application all over the world., nuts, cured meats, cheesefish, coffee, and crisps