Flashcards
4.7 – Packaging materials
Cards in this deck (19)
- 1List 7 functions of food packaging.- Protects food from damage
- Ensures safety and hygiene
- Increases storage life
- Contains in condition for consumption
- Needed for storage, transpiration, retail
- Conveys information
- Promotes product (attracts consumer) - 2How does protective packaging reduce food wastage? (Hint: there are 2 aspects)Less food discarded due to bruising or deterioration and over-ripening due to humidity and temperature changes
- 3How does packaging ensure the safety and hygiene of food?Prevents contamination
- 4How does packaging increase storage life?Maintains food in the condition that the consumer expects
- 5What 3 things does legislation about food packaging state?Must not cause food to deteriorate OR be hazardous to human health OR cause unacceptable changes in substance or quality of the food product
- 6List 4 types of food packaging material.Glass
Metals and foils
Paper and cardboard
Plastic - 7List 6 advantages of glass as a food packaging material.Recyclable
Cheap to produces
Withstands high temperatures
Can be moulded (different shapes/sizes)
Tamper-evident packaging (with metal seal) - 8List 3 disadvantages of glass as a food packaging material.Heavy
Breakable
Unsuitable for use in freezer for food with high water content - 9List 9 advantages of metals and foils as food packaging materials.Recyclable
Withstands high and low temperatures
Lightweight
Moulded - different shape and thickness
Easy to store
(Tin) cheap to produce
Tamper-evident seals on tin cans
Metal aids heat transference in cooking
Flexible wrapping (foil - home use) - 10List 3 disadvantages of metals and foils as food packaging materials.Not microwaveable
Not transparent
Aluminium is expensive
Safety issues to prevent cuts - 11List 11 advantages of paper and cardboard as food packaging materials.Recyclable
Biodegradable
Cheap to produce
Less pollution in manufacture
Easy to print text/images into
Laminated - moisture proof
Lightweight
Easy to open
Variety of shapes and thicknesses
Flexible for wrapping
Good insulator - 12List 4 disadvantages of paper and cardboard as food packaging materials.Tears easily
Laminating restricts recycling options
Product easily damaged
Often used with other packaging to aid storage life (e.g. with plastic in breakfast cereals) - 13List 8 advantages of plastic as a food packaging material.Microwaveable
Withstands high and low temperatures
Lightweight
Moulded - different shape and thickness
Easy to store
Cheap to produce
Transparent
Some are biodegradable - 14List 4 disadvantages of plastic as a food packaging material.Biodegradable plastics expensive
Many plastics not recyclable
Made from oil
Disposal into ladnfil - 15Give 2 examples of specialist packaging.MAP or CAP
Tamper-evident seals - 16Describe the process of packaging with MAP or CAP. (Hint: there are 3 points)Food placed on plastic tray with lids/bags
Gas flushed
Plastic fused - contents hermetically sealed - 17What is gas flushing and what is its purpose?Specific mixture of carbon dioxide, oxygen and nitrogen designed to delay deterioration
- 18Give 3 examples of foods which undergo MAP, and 2 reasons why.- Chilled, pre-packed meats and fish
- Ready meals
- Fruit and veg e.g. lettuce
To increase storage life OR delay ripening - 19Give 5 examples of tamper evident seals, with examples of their food use.- Plastic collars on bottles: sauces, marmalades
- Tear away strips on bottles: milk
- Tin-foil seals on pourable boxes: juice cartons
- Plastic film wraps on cardboard boxes: biscuits
- Plastic film: ready-meal trays
Information
- Description
- Revision notes on the functions and uses of packaging materials, and the advantages and disadvantages of specific packaging materials: glass, plastic, metal and foil, paper and cardboard, and specialist packaging
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- shell_walker87
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- Created by Jess Molyneux · May 8, 2016
- Copied by shell_walker87 · Jul 9, 2016
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