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Food Packaging.pptx
The document discusses the importance of using appropriate food packaging. It provides information on different types of packaging materials including paper, glass, plastics, metals and natural materials. During times of crisis like the current pandemic, it is important to use packaging that safely protects food and prevents contamination. Appropriate packaging keeps food in good condition until consumption, encourages sales, and acts as a barrier against dirt while preventing losses. Choosing the right material is key based on the food product and needed preservation properties.
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Food Packaging.pptx
- 1.
- 2. Give at least3 reason why knowing to use the appropriate type of packaging is important in this time of crisis.
- 3. Why good packaging isa must?
- 4. +Packaging need notonly to be attractive nor presentable, instead it should be safe and should pass all the necessary appropriate standards in packaging as well.
- 5. FOOD PACKAGING + Foodpackaging - is packaging of food which requires protection, tampering resistance, and special physical, chemical, or biological needs. + It also shows in the product label any nutrition information on the food being consumed.
- 6. The main objectiveof packaging +is to keep the food in good condition until it is sold and consumed, and to encourage customers to purchase the product.
- 7. +Packaging should provide thecorrect environmental conditions for food starting from the time food is packed through to its consumption.
- 8. A good packageshould therefore perform the following functions: +Provide a barrier against dirt and other contaminants thus keeping the product clean +Prevent losses. For example, packages should be securely closed to prevent leakage
- 9. +Protect food againstphysical and chemical damage. For example the harmful effects of air, light, insects, and rodents. Each product will have its own needs +Package design should provide protection and convenience in handling and transport during distribution and marketing
- 10. Types of PackagingMaterials + In many developing countries the most commonly used food packaging materials include: +leaves +vegetable fibers +wood +papers,newsprint +earthenware +glass +plastics +metals
- 11. Leaves + Banana leavesare often used for wrapping certain types of food (e.g. suman). + They do not however protect the food against moisture, oxygen, odors or micro- organisms, and therefore, not suitable for long-term storage.
- 12. Vegetable fibers + Theseinclude bamboo, banana, coconut, and cotton fibres. + These natural materials are converted into yarn, string or cord which will form the packaging material. + vegetable fibres do not provide protection to food which has a long shelf-life since they offer no protection against moisture pick-up, micro- organisms, or insects and rodents.
- 13. Wood + Wood offersgood protection, good stacking characteristics and strength. + The use of wood continues for some wines and spirits because the transfer of flavor compounds from the wooden barrels improves the quality of the product.
- 14. Paper + Paper isan inexpensive packaging material. It is however highly absorptive, fairly easily torn, and offers no barrier to water or gases. + The degree of paper re-use will depend on its former use, and therefore paper that is dirty or stained should be rejected.
- 15. Earthenware + Earthenware pots areused worldwide for storing liquids and solid foods such as curd, yoghurt, beer, dried food, and honey.
- 16. Glass + Glass hasmany properties which make it a popular choice as a packaging material: + Glass is able to withstand heat treatments such as pasteurization and sterilization. + Does not react with food.
- 17. Glass + Protects thefood from crushing and bruising + Resistant to moisture, gases, odors and microorganisms + Re-usable, re-sealable and recyclable + Transparent, allowing products to be displayed.
- 18. Disadvantages of usingglass as packaging materials + Glass is heavier than many other packaging materials and this may lead to higher transport costs + It is easy to fracture, scratch and break if heated or cooled too quickly + Potentially serious hazards may arise from glass cracks or fragments in the food.
- 19. Preparation of glasscontainers +Inspection +Washing. +Rinsing. +Sterilization. +Sealing and +capping +Cooling
- 20. Plastics + The useof various plastics for containing and wrapping food depends on what is available. + Plastics are extremely useful as they can be made in either soft or hard forms, as sheets or containers, and with different thickness, light resistance, and flexibility.
- 21. Flexible films arethe most common form of plastic. Generally, flexible films have the following properties: + Cost is relatively low. + Good barrier properties against moisture and gases. + Heat sealable to prevent leakage of contents. + Have wet and dry strength.
- 22. Flexible films arethe most common form of plastic. Generally, flexible films have the following properties: +Easy to handle and convenient for the manufacturer, retailer, and consumer. +Weight is lighter than the product. +Fit closely to the shape of the product, thereby wasting little space during storage and distribution.
- 23. Metal + Metal canshave a number of advantages over other types of containers. + Metal cans provide total protection of the contents. + Metal cans are tamperproof. + Metal cans are convenient for presentation.
- 24. Disadvantages of metalfood packaging materials: +Heavier than other materials, except glass, and therefore have higher transport costs +The heat treatment associated with the use of metal cans is not suitable for small-scale production
- 25. Activity I: ChooseMe Direction: Choose your answer from the words that you can found inside the box.
- 26. + _______________1. Sampleof this type of packaging are boxes and newsprint. + _______________2. Tin can are well known sample of this type of packaging. + _______________3. Sample of this type of packaging have traditionally been used for a wide range of solid and liquid foods including fruits, vegetables, tea and beer. + ______________4. We usually use this type of packaging to suman. + ______________5. This type of packaging does not react with food and protects it from crushing and bruising.
- 27. +During this timeof pandemic, It is very important to know the appropriate type of packaging you should use in your food product. +Give at least three reason why knowing to use the appropriate type of packaging is important in this time of crisis.
- 28. TRUE/FALSE + _____1. Plasticsare extremely useful as they can be made in either soft or hard forms, as sheets or containers, and with different thickness, light resistance, and flexibility. + _____2. Paper is the most expensive packaging material.
- 29. +_____3. Glass isable to withstand heat treatments such as pasteurization and sterilization. +_____4. Vegetable fibers protects the food from moisture. + _____5. Leaves are suitable for long term storage.