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Starch-based composite foam for chicken meat packaging.

Valeria Velasco1, Erwin Sepúlveda2,3, Pamela Williams1

  • 1Departamento de Producción Animal, Facultad de Agronomía, Universidad de Concepción, Av. Vicente Méndez 595, 3812120 Chillán, Chile.

Journal of Food Science and Technology
|October 24, 2022
PubMed
Summary

Compostable starch-based composite foam (SCF) effectively packages chicken meat. Adding nisin (SCFN) enhanced its antimicrobial properties and strength, making it a viable alternative for fresh meat storage.

Keywords:
Antimicrobial propertiesBiodegradable packagingCold storageComposite foamFresh chicken meatMeat quality

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Area of Science:

  • Food Science
  • Materials Science
  • Packaging Technology

Background:

  • Developing sustainable packaging is crucial for the poultry industry.
  • Compostable materials that maintain meat quality are needed.
  • Starch-based composite foam (SCF) is a potential alternative to conventional packaging.

Purpose of the Study:

  • To assess the feasibility of using SCF for fresh chicken meat packaging.
  • To evaluate the impact of adding nisin (antimicrobial agent) to SCF.
  • To compare SCF and nisin-enhanced SCF (SCFN) with expanded polystyrene (EPS) packaging.

Main Methods:

  • SCF and SCFN were prepared using an extrusion process.
  • Physical, mechanical, and antimicrobial properties were characterized.
  • Fresh chicken meat was stored in SCF, SCFN, and EPS packaging under refrigeration.

Main Results:

  • SCFN showed improved Young's modulus and flexural strength compared to SCF.
  • SCFN exhibited antimicrobial effects against foodborne pathogens.
  • SCF packaging retained more liquid than EPS during chicken meat storage.
  • Nisin did not inhibit lipid oxidation but reduced aerobic plate count in chicken meat.

Conclusions:

  • Starch-based composite foam is suitable for fresh meat storage.
  • Incorporating nisin enhances the antimicrobial efficacy of SCF packaging.
  • SCF offers a promising sustainable packaging solution for the poultry industry.