Food Technology- Packaging

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WHY DO WE USE PACKAGING?

*keep food in hygienic conditions

*Protects contents from damage

*Prevents tampering

*Can be used during reheating

*Conveys information to the consumer

*Attracts costumer

PRIMARY PACKAGING:

Contains food product

SECONDARY PACKAGING:

Holds several products together

TRANSIT PACKAGING:

Use for transportation of the product.

GLASS

Advantages:

Cheap to produce

Consumers can see the product

can withstand being filled with hot product

rigid

can be recycled

Disadvantages:

Fragile

heavy

METAL

Advantages:

Aluminium foil can be used to laminate and protect product

can be easily opened

can be recycled

can be used to preserve food

good for reheating

foil can be made in different thickness

Disadvantages:

Can react with food and some cans need lining

PAPER AND CARD

Advantages:

easily printed on

Be produced in different thickness'

Cheap to produce

Biodegradable

If corrugated can protect and insulate

can be recycled

easily made into different shapes and sizes

Disadvantages:

Cant be squashed

Not water resistant

PLASTICS:

*lightweight

*Cheap to produce

*Cushion and protect food

*easily printed on

*Flexible or rigid

*resistant to chemicals

*Can be heat resistant

*water resistant

THERMOPLASTIC PACKAGING

become soft when heated and can be shaped.

PP (polypropylene) (clingfilm)

Can be flexible- prevents food drying out

can be rigid and withstand high temperatures

PVC (polyvinlchloride) (Mousse pot)

Resistant to acids

Can withstand high temperatures

Resistant to chemicals

Flexible

PS (Expanded polystyrene) (Take away pot)

Protects food with cushioning effect

Good heat insulation

PET (polyester) (ready meal lid)

Can be used as film

ideal for drinks

high melting point so suitable for microwaves

Environmental Issues

*use less packaging

-Costs less

-might not appeal to consumer

-might affect end product

*recycling

-Cleaning during recycling causes pollution

-more energy used to recycle

-green and makes use of waste

*Use of renewable resources

-Not using Earth's limited resources

*Use biodegradable packaging

-Less harmful to environment

LABELLING

Name of product

Manufacturers name

description

price

weight (net weight)

Nutritional value of product

Best before date

Batch code

bar code

cooking instructions

ingredients listed in weight

customers garantee

MODIFIED ATMOSPHERE PACKAGING HELPS TO EXTEND SHELF LIFE.

ONE OPENED IT HAS A NORMAL SHELF LIFE

VACUUM PACKAGING KEEPS FOOD IN OXYGEN FREE CONDITIONS

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