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Food packaging can slow down product deterioration, maintain or increase the quality and safety of food, retains the beneficial effects of processing, and extends shelf-life.
In doing so, packaging gives protection from three major classes of external influences i.e. physical, chemical, and biological.
Chemical protection will minimize compositional changes triggered by environmental influences like light, moisture and gas. Many different packaging materials will provide a chemical barrier.
Glass and metals will provide an absolute barrier to chemical and other environmental agents. Closure devices may contain materials which allow minimal levels of permeability.
Plastic packaging gives a large range of barrier properties. But it is more permeable than glass or metal.
Appropriate physical packaging also protects consumers from different hazards. For example, child-resistant closures hamper access to many dangerous products.
2. In this PPT, you get to know about the types of materials used in
food packaging, the impact of food packaging on the
environment, and the role of food packaging in the food supply
chain.
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3. You can get an overview of EPA's solid waste management
guidelines and other waste management options. Finally, it
addresses legislation on packaging disposal & disposal
methods.
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4. Roles of Food Packaging
• The principal function of food packaging is to protect
food products from outside influences and damage.
Traceability and convenience are the secondary function
of increasing importance.
• It also minimizes environmental impact and maintains
food safety.
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5. Protection/preservation
• Food packaging can slow down product deterioration,
maintain or increase the quality and safety of food,
retains the beneficial effects of processing, and extends
shelf-life.
• In doing so, packaging gives protection from three major
classes of external influences i.e. physical, chemical, and
biological.
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6. Containment and food waste
reduction
• Inadequate transportation, preservation/protection,
and storage have been cited as causes of food waste.
• Packaging will reduce the total waste by extending the
shelf-life of foods, thereby prolonging their usability.
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7. Marketing and information
• A package is the face of a product and it is the only
product exposure which consumers can experience prior
to a purchase.
• Consequently, distinctive or innovative packaging
boosts sales in a competitive environment.
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8. Traceability
Traceability has 3 objectives:
• To improve supply management
• to facilitate trace-back for food safety and
quality purposes
• To differentiate the market foods with subtle
or undetectable quality attributes.
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9. Convenience
• As a consequence,
packaging plays a very
important role in
minimizing the effort
necessary to prepare and
serve foods.
• Microwavable packaging,
oven-safe trays, and boil-
in bags, allow consumers
to cook an entire meal
with virtually no
preparation.
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10. Tamper indication
• Wilful tampering with food and pharmaceutical products
has resulted in special packaging features which are
designed to reduce the risk of tampering and
adulteration.
• Tamper-evident features cannot easily be replaced.
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11. Other functions
• Packaging can serve other functions, like a carrier for
premiums (for example, inclusion of a gift, additional
product, or coupon) or containers for household usage.
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12. Conclusion:
• The primary purpose of food packaging is to maintain
the quality of food, safety, and wholesomeness.
• The impact of packaging waste on the environment will
be minimized by carefully choosing materials, reviewing
expectations of packaging in terms of environmental
impact & by following EPA guidelines.
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