FOOD QUALITY AND SAFETY
QUALITY CONTROL IN FOOD PROCESSING
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Polyvinyl Chloride
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Hard Plastics
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Vacuum Packaging
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Polyvinylidine chloride
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Detailed explanation-1: -Rigid PVC is hard and is used in the production of trays due to its water proof and gas barrier properties.
Detailed explanation-2: -FLEXIBILITY Polyethylene is a very elastic material that stretches easily, making it the perfect material for food packaging. Polypropylene is much less flexible, although it is notably more difficult to break.
Detailed explanation-3: -Foils used as wrapping or bags for packing of trays with product must be puncture-proof, extensible and impervious to gases like oxygen. Plastics such as polyethylene film or copolymer of ethylene and vinyl acetate are very often used for packing of frozen products.
Detailed explanation-4: -Packaging material used for frozen fresh fish is mainly polyethylene, either as premade bags or wraps which are then packed into waxed duplex cartons. Frozen fish are also over wrapped in polystyrene trays for display. Individual fillets are packed in cellophane or PVC.
Detailed explanation-5: -polythene are found quite suitable for bulk packaging of dried fish. ▶ Consumer packs of dry fish are low density polythene or polypropylene.