1. Food Packaging
D-9.02 Food Packaging

2. What is food packaging?
Enclosing food to protect food from tampering or contamination from
physical,
chemical, or
biological sources.
D-9.02 Food Packaging

3. Six Functions of Packaging
Barrier between food and contaminants.
Protects food from impact during shipping and storage.
Acts as a dispenser
Protects food from moisture, gas, odors, and light
Identifies the contents
Serves as a cooking and storage container.
D-9.02 Food Packaging

4. Food Packaging Materials
Metals (steel, tin, and aluminum) -- canned foods
Glass -- beverages, pickles, condiments
Paper (usually coated with wax, plastics, or aluminum foil) -- cartons of milk, crackers
Plastics -- milk jugs, beverages, deli salads
Packaging films (cellophane, edible films, and coatings) -- candy bars, hot dog casings, chips
Laminates (layering materials into one product) -- drink boxes
D-9.02 Food Packaging

5. Packaging Types Food package Food Aseptic packaging Liquid whole eggs
Bags
Potato chips
Boxes
Box of cereal
Cans
Can of soup
Cartons
Carton of eggs
Flexible packaging
Bagged salad
Wrappers
Used to cover a package.
D-9.02 Food Packaging

6. Reduced oxygen packaging
Some packaging methods involve changing the environment that surrounds food to increase the shelf life.
Reduced oxygen packaging (ROP) provides an atmosphere that has little or no oxygen in the environment surround the food.  
Three types of ROP are:
Controlled atmosphere packaging
Modified atmosphere packaging
Vacuum packaging
D-9.02 Food Packaging

7. Controlled Atmosphere Packaging
Controls the movement of gases inside the package.
Used with:
fresh-cut salads.
D-9.02 Food Packaging

8. Modified Atmosphere Packaging
Flush the food container with a gas, CO2 or N2., before the container is sealed
Use with:
potato chips and other snack foods
fresh pasta
D-9.02 Food Packaging

9. Vacuum Packaging
Remove all air, including oxygen, from inside the packaging environment.
Used with:
Country ham slices,
deli meats,
bacon
D-9.02 Food Packaging

10. Determination of what type of package to use
The type of packaging material used with a specific food product depends on:
the function the package must perform
the protection needed
conditions of shipping and storage
chemical composition of the food
D-9.02 Food Packaging