Release and Disintegration Properties of Poly(lactic Acid) Films with Allyl Isothiocyanate-β-Cyclodextrin Inclusion Complexes for Active Food Packaging
2024

Improving Biodegradable Food Packaging with Allyl Isothiocyanate and β-Cyclodextrin

publication 10 minutes Evidence: moderate

Author Information

Author(s): Muñoz-Shugulí Cristina, Rodríguez-Mercado Francisco, Guarda Abel, Galotto María José, Jiménez Alfonso, Garrigós María Carmen, Ramos Marina

Primary Institution: Facultad de Ciencias, Escuela Superior Politécnica de Chimborazo (ESPOCH), Ecuador

Hypothesis

The study aims to evaluate how β-CD:AITC inclusion complexes affect the properties of PLA films under composting conditions.

Conclusion

Incorporating β-CD:AITC complexes into PLA films significantly enhances their disintegration rate under composting conditions, achieving up to 90% disintegration in 23 days.

Supporting Evidence

  • Incorporating 5% and 10% β-CD:AITC complexes reduced disintegration time by 5 days compared to pure PLA.
  • The films maintained antimicrobial functionality at low humidity and released effectively at higher humidity levels.
  • PLA films with β-CD:AITC achieved up to 90% disintegration in 23 days under composting conditions.

Takeaway

This study shows that adding certain compounds to biodegradable plastic can help it break down faster in compost, making it better for the environment.

Methodology

Films were prepared using melt extrusion and characterized based on their structural, chemical, morphological, thermal, and barrier properties.

Limitations

The study does not address the long-term effects of the inclusion complexes on the mechanical properties of the films after disintegration.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.3390/molecules29245859

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