biodegradable active packaging(mechanism)
DESCRIPTION
active packagingTRANSCRIPT
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Biodegradable Active Packaging
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CONTENTS
Biodegradable packaging Composition Active packaging Intelligent packaging Mechanism Pictures Food safety regulatory Conclusion Reference
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BIODEGRADABLE PACKAGING
• Biodegradable: Material that left to itselfwill be decomposed by natural processes( microorganisms)
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COMPOSITION
Bioplastics can be made from many different sources and materials:
Plant Oil Cellulose Corn Starch Potato Starch Sugarcane
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ACTIVE PACKAGING
Active packaging refers to the incorporation of certain additives into packaging film or within packaging containers with the aim of maintaining and extending product shelf life.
Packaging may be termed active when it performs some desired role in food preservation and nutritional quality other than providing an inert
barrier to external conditions.
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INTELLIGENT PACKAGING TRACK, SENSE & COMMUNICATE
1.Track the product
2.Sense the environment
inside or outside the package
3.Inform the manufacturer
retailer and consumer.
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ACTIVE PACKAGING Active packaging includes additives or freshness
enhancers that are capable of scavenging oxygen; adsorbing carbon dioxide, moisture, ethylene or flavour/odour taints; releasing ethanol, sorbates, antioxidants or other
preservatives; maintaining temperature control.
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Selected examples of active packaging systems
Active packaging system
Oxygen scavengers
Mechanisms
1. iron based2. metal/acid3. metal (e.g. platinum) catalyst4. Ascorbate metallic salts5. enzyme based
Food application
bread, cakes, cooked rice, biscuits, pizza, pasta, cheese, cured meats and fish, coffee,snack foods, dried foods andBeverages.
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Selected examples of active packaging systems
Active packaging system
Carbon dioxidescavengers/emitters
Mechanisms
1. iron oxide/calcium hydroxide2. ferrous carbonate/metal halide3. calcium oxide/activated charcoal
Food applications
coffee, fresh meats and fish, nuts and other snack food products and sponge cakes
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Selected examples of active packaging systems
Active packaging system
Ethylene scavengers
Mechanisms
1. potassium permanganate2. activated carbon3. activated clays/zeolites
Food applications
fruit, vegetables and otherhorticultural products
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Selected examples of active packaging systems
Active packaging system
Ethanol emitters
Mechanisms
1. alcohol spray2. encapsulated ethanol
Food applications
pizza crusts, cakes, bread,biscuits, fish and bakery
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CO2 EMITTERS: ULTRAZAPXTENDAPAK
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ETHYLENE ABSORBER: SCA PACKAGING
The fruit crate “fruit fresh”, made of corrugated cardboard, uses the hollow spaces between the corrugations to apply active materials (Kaolin & Zeolithe), in this case an ethylene absorber .
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SELECTIVE PERMEABILITY:
Cauliflower & broccoli: 5 days extension 2 days shelf-life for cabbages, leeks and carrots. Green beans shelf life extension of more than 20 days Asparagus shelf life extension by an extra 2 days.
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An innovative and active “dryer sheet of paper” made from edible organic extracts (Impregnated with organic spices) that can be placed under the produce where it’s stored.
It’s biodegradable and can be composted or recycled
ACTIVE SHEET: FENUGREEN FRESHPAPER
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FRESH THINKING STRATEGY: LINPAC PACKAGING
Treated products have been proven to
reduce the growth of Campylobacter on
their surface by up to 99.99%.
Biomaster Antimicrobial Technology is a silver-based additive that can be introduced into any plastic, paper, textile, paint or coating product.
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Food safety, consumer acceptability and regulatory issues
Food safety and regulatory issues related to active packaging of foods need to be addressed.
First, any need for food contact approval must be established before any form of active packaging is used.
Second, it is important to consider environmental regulations covering active-packaging
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Food safety, consumer acceptability and regulatory issues
Third, there may be a need for labelling in cases where active packaging may give rise to consumer confusion.
Fourth, it is pertinent to consider the effects of active packaging on the microbial ecology and safety of foods.
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Conclusions
The objectives of this technology are to maintain sensory quality and extend the shelf life of foods whilst at the same time maintaining nutritional quality and ensuring microbial safety.
Active packaging is an emerging and exciting area of food technology that can confer many preservation benefits on a wide range of food products.
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References Abeles, F.B., Morgan, P.W. and Saltveit, M.E. (1992) Ethylene
in Plant Biology, Academic Press Ltd, London, UK. Ahvenainen, R. and Hurme, E. (1997) Active and smart
packaging for meeting consumer demands for quality and safety. Food Additives Contaminants, 14, 753–
763. Anon (1994) Fresh produce is keen as mustard to last longer.
Packaging Week, 10(21), 6. Anon (1995) Scavenger solution. Packaging News, December
edn, p. 20
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