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GCSE Food and Nutrition

GCSE Food and Nutrition. Food Packaging . Learning Objectives. To understand the function of food packaging in safeguarding food supplies. Why Package Food?. To protect from damage during transportation and storage To preserve freshness

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GCSE Food and Nutrition

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  1. GCSE Food and Nutrition Food Packaging

  2. Learning Objectives To understand the function of food packaging in safeguarding food supplies

  3. Why Package Food? • To protect from damage during transportation and storage • To preserve freshness • To prevent contamination from dust, flies and bacteria • To inform consumers about the product • To enhance the appearance of products

  4. Remember Three P’s an I and an E Protect – Preserve – Prevent – Inform - Enhance

  5. Packaging Plastics are very versatile and can be used for a wide range of foods including milk, yoghurts, drinks bottles, fruit and veg boxes and ready meals

  6. Plastics • Disadvantages • Not as strong as glass/metal • Made from hydrocarbons • which are in limited supply • Some are not recyclable and • have to be put into landfill • Advantages • Lightweight • Waterproof • Moulded to shape • Clear or coloured • Can be printed with • information • Can be used for vacuum • packing

  7. Paperboard Not as strong as plastic Strong Lightweight Will crush easily Made from renewable sources Not moisture proof Food will dry out Recycled

  8. Metals Aluminium containers are widely used for ready meals and drinks. Canned food is one of the oldest methods of preserving food and includes fruit, vegetables, fish, meat, soups, custard and rice pudding

  9. Metals Production uses a lot of energy Strong and Rigid Good protection Long storage Cannot put metal into microwave Recyclable

  10. Glass This is widely used for jams, pickles, sauces, baby food and milk Rigid Moisture-proof Good Protection Recyclable Brittle Breaks easily Heavy to carry

  11. New Developments in Packaging Manufacturers are constantly developing new types of packaging: to make food more appealing safer to eat environmentally friendly

  12. Tamper-proof seals • These prevent: • Deliberate contamination of food • Reassure consumers about its safety

  13. Ring Pull Cans • These are widely available on a variety of food products: • Drinks • Soup • Fruit • Vegetables • They are easy to use for the • elderly/disabled

  14. Vacuum Packaging This method removes the air so the product will keep for longer. • Can be used for: • Meat • Cheese • Coffee

  15. Modified Atmosphere Packaging MAP Oxygen is removed from the packaging and replaced with an inert gas such as carbon dioxide or nitrogen. This slows down the food spoilage and the development of micro-organisms. • Used for: • Ready- meals • Meat • Fish • Salad leaves

  16. Summary Packaging is used to: Protect – Preserve – Prevent – Inform - Enhance Plastics are made from hydrocarbons which are becoming scarce Production processes for metal uses a lot of energy

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