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Testing modified atmosphere in a plastic bag of carrots
Testing modified atmosphere in a plastic bag of carrots

Food packaging is packaging for food. A package provides protection, tampering resistance, and special physical, chemical, or biological needs. It may bear a nutrition facts label and other information about food being offered for sale.

History

Packaging of food products have seen a vast transformation in technology usage and application from the stone age to the industrial revolution:

7000 BC: The adoption of pottery and glass which saw industrialization around 1500 BC [1]

1800: Nicolas Appert, in response to inquires into extending the shelf life of food for the French Army, employed glass bottles along with thermal food treatment. Glass has since been replaced by metal cans in this application[2]

1870: The use of paper board was launched and corrugated materials patented[3]

1880s: First cereal packaged in a folding box by Quaker Oats[4]

1890s: The crown cap for glass bottles was patented by William Painter [5]

1960s: Development of the two-piece drawn and wall-ironed metal cans in the US, along with the ring-pull opener and the Tetra Brik Aseptic carton package[6]

1970s: The barcode system was introduced in the retail and manufacturing industry. PET plastic blow-mold bottle technology widely used in the beverage industry was introduced[7]

1990s: The application of digital printing on food packages became widely adopted

Plastic packaging saw its inaugural use during World War II even though materials employed in its manufacturing, such as cellulose nitrate, styrene and vinyl chloride, were discovered in the 1800s[8]

Functions

Packaging and package labeling have several objectives[9][10]

Types

The above materials are fashioned into different types of food packages and containers such as:[12]

Packaging Type
Aseptic processing Primary Liquid whole eggs or dairy products
Trays Primary Portion of fish or meat
Bags Primary Potato chips, apples, rice
Boxes Secondary Corrugated box of primary packages: box of cereal cartons, frozen pizzas
Cans Primary Can of tomato soup
Cartons, coated paper Primary Carton of eggs, milk or juice cartons
Flexible packaging Primary Bagged salad
Pallets Tertiary A series of boxes on a single pallet used to transport from the manufacturing plant to a distribution center
Wrappers Tertiary Used to wrap the boxes on the pallet for transport

Primary packaging is the main package that holds the food that is being processed. Secondary packaging combines the primary packages into one box being made. Tertiary packaging combines all of the secondary packages into one pallet.

Gallery

Packaging machines

Automated palletizer of bread with industrial KUKA robots at a bakery in Germany
Automated palletizer of bread with industrial KUKA robots at a bakery in Germany
Shrink-wrapping trays of bakery goods
Shrink-wrapping trays of bakery goods

[13]

Pumping slurry ice onto fresh fish
Pumping slurry ice onto fresh fish
Filling machinery for bag-in-box
Filling machinery for bag-in-box

A choice of packaging machinery requires consideration of technical capabilities, labor requirements, worker safety, maintainability, serviceability, reliability, ability to integrate into the packaging line, capital cost, floorspace, flexibility (change-over, materials, etc.), energy usage, quality of outgoing packages, qualifications (for food, pharmaceuticals, etc.), throughput, efficiency, productivity, and ergonomics, at a minimum.

Packaging machines may be of the following general types:

Reducing food packaging

Reduced packaging and sustainable packaging are becoming more frequent. The motivations can be government regulations, consumer pressure, retailer pressure, and cost control. Reduced packaging often saves packaging costs.

In the UK, a Local Government Association survey produced by the British Market Research Bureau compared a range of outlets to buy 29 common food items and found that small local retailers and market traders "produced less packaging and more that could be recycled than the larger supermarkets."[14]

Recycling of food packaging

Main article: Recycling § Rinsing

After use, organic matter that is still in the food packaging needs to be separated from the packaging. This may also require rinsing of the food packaging.[citation needed]

Food packaging is created through the use of a wide variety of plastics and metals, papers, and glass materials. Recycling these products differs from the act of literally reusing them in the manner that the recycling process has its own algorithm which includes collecting, sourcing, processing, manufacturing and marketing these products. According to the Environmental Protection Agency of the United States the recycling rate has been steadily on the rise with data reporting that in 2005 40% of the food packaging and containers that were created were recycled.[citation needed]

Trends in food packaging

Main article: Active packaging

Food safety and public health

Main article: Food safety

It is critical to maintain food safety during processing[21] , packaging, storage, logistics (including cold chain), sale, and use. Conformance to applicable regulations is mandatory. Some are country specific such as the US Food and Drug Administration and the US Department of Agriculture; others are regional such as the European Food Safety Authority. Certification programs such as the Global Food Safety Initiative are sometimes used. Food packaging considerations may include: use of hazard analysis and critical control points, verification and validation protocols, Good manufacturing practices, use of an effective quality management system, track and trace systems, and requirements for label content. Special food contact materials are used when the package is in direct contact with the food product. Depending on the packaging operation and the food, packaging machinery often needs specified daily wash-down and cleaning procedures.[22]

Health risks of materials and chemicals used in food packaging need to be carefully controlled. Carcinogens, toxic chemicals, mutagens etc. need to be eliminated from food contact and potential migration into foods.[23][24] Besides these, the consumers need to be aware of certain chemical products that are packaged exactly like food products to attract them. Most of them have pictures of fruits and the containers also resemble food packages. However, they can get consumed by kids or careless adults which can lead to poisoning.[25]

Manufacturing

Packaging lines may have a variety of equipment types: integration of automated systems can be a challenge.[26] All aspects of food production, including packaging, are tightly controlled and have regulatory requirements. Uniformity, cleanliness and other requirements are needed to maintain Good Manufacturing Practices.

Product safety management is vital. A complete Quality Management System must be in place. Hazard analysis and critical control points is one methodology which has been proven useful.[citation needed] Verification and validation involves collecting documentary evidence of all aspects of compliance. Quality assurance extends beyond the packaging operations through distribution and cold chain management.

See also

Notes and references

  1. ^ "A Brief History of Packaging". ufdc.ufl.edu. Retrieved 22 May 2019.
  2. ^ Encyclopedia of food science and technology. Francis, F. J. (Frederick John), 1921- (2nd. ed.). New York: Wiley. 2000. ISBN 0471192856. OCLC 41143092.CS1 maint: others (link)
  3. ^ Bi, Liu Ju (June 2012). "Research on Corrugated Cardboard and its Application". Advanced Materials Research. 535–537: 2171–2176. doi:10.4028/www.scientific.net/AMR.535-537.2171. ISSN 1662-8985. S2CID 110373839.
  4. ^ Hine, Thomas, 1947- (1995). The total package : the evolution and secret meanings of boxes, bottles, cans, and tubes (1st ed.). Boston: Little, Brown. ISBN 0316364800. OCLC 31288019.CS1 maint: multiple names: authors list (link)
  5. ^ Opie, Robert, 1947- (1989). Packaging source book. Macdonald Orbis. ISBN 0356176657. OCLC 19776457.CS1 maint: multiple names: authors list (link)
  6. ^ Arvanitoyannis, IS (2005). "Food packaging technology. Edited by R Coles, D McDowell and MJ Kirwan. Blackwell Publishing, CRC Press, Oxford, 2003. 346 pp ISBN 0-8493-9788-X". Journal of the Science of Food and Agriculture. 85 (6): 1072. doi:10.1002/jsfa.2089. ISSN 0022-5142.
  7. ^ Arvanitoyannis, Is (30 April 2005). "Food packaging technology. Edited by R Coles, D McDowell and MJ Kirwan. Blackwell Publishing, CRC Press, Oxford, 2003. 346 pp ISBN 0-849-39788-X". Journal of the Science of Food and Agriculture. 85 (6): 1072. doi:10.1002/jsfa.2089. ISSN 0022-5142.
  8. ^ Risch, Sara J. (23 September 2009). "Food Packaging History and Innovations". Journal of Agricultural and Food Chemistry. 57 (18): 8089–8092. doi:10.1021/jf900040r. ISSN 0021-8561. PMID 19719135.
  9. ^ Bix, L; Nora Rifon; Hugh Lockhart; Javier de la Fuente (2003). The Packaging Matrix: Linking Package Design Criteria to the Marketing Mix (PDF). IDS Packaging. Archived from the original (PDF) on 17 December 2008. Retrieved 11 December 2008.
  10. ^ Marsh, K (2007). "Food Packaging—Roles, Materials, and Environmental Issues" (PDF). Journal of Food Science. 72 (3): 39–54. doi:10.1111/j.1750-3841.2007.00301.x. PMID 17995809. Retrieved 21 September 2018.
  11. ^ "Importance of Product Packaging in Marketing".
  12. ^ Shaw, Randy (16 February 2013). "Food Packaging: 9 Types and Differences Explained". Assemblies Unlimited. Retrieved 19 June 2015.
  13. ^ Claudio, Luz (2012). "Our Food: Packaging & Public Health". Environmental Health Perspectives. 120 (6): A232–A237. doi:10.1289/ehp.120-a232. JSTOR 41549064. PMC 3385451. PMID 22659036.
  14. ^ "Farmer markets better at reducing waste".
  15. ^ Meyers, T (June 2007). "RFID Shelf-life Monitoring Helps Resolve Disputes". RFID Journal.
  16. ^ Riva, Marco; Piergiovanni, Schiraldi, Luciano; Schiraldi, Alberto (January 2001). "Performances of time-temperature indicators in the study of temperature exposure of packaged fresh foods". Packaging Technology and Science. 14 (1): 1–39. doi:10.1002/pts.521.
  17. ^ EDIBLE COATINGS TO IMPROVE FOOD QUALITY AND FOOD SAFETY AND MINIMIZE PACKAGING COST, USDA, 2011, retrieved 18 March 2013
  18. ^ Yildirim, Selçuk; Röcker, Bettina; Pettersen, Marit Kvalvåg; Nilsen-Nygaard, Julie; Ayhan, Zehra; Rutkaite, Ramune; Radusin, Tanja; Suminska, Patrycja; Marcos, Begonya; Coma, Véronique (January 2018). "Active Packaging Applications for Food: Active packaging applications for food…". Comprehensive Reviews in Food Science and Food Safety. 17 (1): 165–199. doi:10.1111/1541-4337.12322. PMID 33350066.
  19. ^ L. Brody, Aaron; Strupinsky, E. P.; Kline, Lauri R. (2001). Active Packaging for Food Applications (1 ed.). CRC Press. ISBN 9780367397289.
  20. ^ Smith, J D; Rajeev Dhiman; Sushant Anand; Ernesto Reza-Garduno; Robert E. Cohen; Gareth H. McKinley; Kripa K. Varanasi (2013). "Droplet mobility on lubricant-impregnated surfaces". Soft Matter. 19 (6): 1972–1980. Bibcode:2013SMat....9.1772S. doi:10.1039/c2sm27032c. hdl:1721.1/79068.
  21. ^ Hron, J; T. Macák; A. Jindrova (2012). "Evaluation of economic efficiency of process improvement in food packaging". Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis. LX (2): 115–120. doi:10.11118/actaun201260040115.
  22. ^ "Regulation of the U.S. Food Processing Sector". NDSU. Retrieved 19 June 2015.
  23. ^ Stephens, Pippa (19 February 2014). "Food packaging health risk 'unknown'". BBC News.
  24. ^ Claudio, L (2012). "Our food: packaging & public health". Environ. Health Perspect. 120 (6): A232–7. doi:10.1289/ehp.120-a232. PMC 3385451. PMID 22659036.
  25. ^ Basso, F.; Bouillé, J.; Le Goff, K.; Robert-Demontrond, P.; Oullier, O. (31 March 2016). "Assessing the Role of Shape and Label in the Misleading Packaging of Food Imitating Products: From Empirical Evidence to Policy Recommendation". Frontiers in Psychology. 7: 450. doi:10.3389/fpsyg.2016.00450. PMC 4814518. PMID 27065919.
  26. ^ Mahalik, N P (2009). "Processing and packaging automation systems: a review". Sens. & Instrumen. Food Qual. 3: 12–25. doi:10.1007/s11694-009-9076-2. S2CID 96099161.

Bibliography

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