Food Packaging And Labelling Flashcards
Functions of food packaging
Protects food from becoming damaged or contaminated (best condition for consumer)
Makes transport easier (stacked)
Advertises a food producer and makes their product stand out
Gives information
Increases shelf life and reduces food poisoning
Characteristics of good packaging
Hygienic Increases shelf life Biodegradable or recyclable durable Moisture proof Easy to open and reseal Economical fo make Attractive
Materials used to package food
Glass eg bottles, jars
Metal eg cans, aerosols
Paper eg egg box, flour bag, burger wrap
Plastic eg PET (water bottles) and LDPE (pasta box)
Advantages of using glass
Protects from contamination
Transparent - contents can be seen
Dont crack in heat processing
Disadvantages of glass packaging
Heavy -expensive to transport
Easily broken
Expensive to produce
Cannot be printed on
Environmental effect of glass
Recyclable
Reusable
Non biodegradable
Avoid careless disposal
Metal advantages
Protects from contamination
Easy to stack
Withstand processing
Disadvantages of metal
Heavy -expensive to transport
Easy punctured/ dented
Expensive to produce
Cannot be printed on
Environmental effect of metal
Recyclable
Reusable
Non biodegradable
Paper advantages
Protects from contamination
Cheap to produce
Lightweight -cheap transport
Can be printed on
Disadvantages of paper
Doesn’t reseal well
Easily ripped
Not very durable eg wet
Environmental impact of paper
Recyclable
Reusable
Biodegradable (unless waterproof )
Plastic advantages
Moisture proof
Cheap to produce and transport
Durable
Can be printed on
Plastic disadbatges as packaging
Some may contaminate food eg PET breaks down over time releasing toxins the may be carcinogenic
Some are easily damaged
Environmental impact of plastic
Recyclable
Reusable
Non biodegradable
Made from crude oil which is limited