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Related Concept Videos

Bioplastics01:27

Bioplastics

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Bioplastics derived from microbial processes present a sustainable alternative to conventional petroleum-based plastics. Among these, polyhydroxyalkanoates (PHAs), particularly polyhydroxybutyrates (PHBs), have emerged as prominent candidates due to their biodegradability and biocompatibility. These polymers are synthesized by a variety of bacteria, such as Cupriavidus necator and Pseudomonas putida, which naturally accumulate PHAs as intracellular carbon and energy reserves, especially under...
47

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Bacterial Cellulose Spheres that Encapsulate Solid Materials
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Antibacterial paperboard packaging using microfibrillated cellulose.

Nathalie Lavoine1, Isabelle Desloges1, Brigitte Manship1

  • 1Laboratoire Génie des Procédés Papetiers (LGP2), UMR CNRS 5518, CS 10065, Grenoble INP-Pagora - 461, Rue de la Papeterie, 38402 Saint Martin D'Hères Cedex, France.

Journal of Food Science and Technology
|September 8, 2015
PubMed
Summary
This summary is machine-generated.

This study developed a novel antibacterial food packaging using microfibrillated cellulose (MFC) to coat paperboard with chlorhexidine digluconate (CHX). The MFC coating enabled sustained release of CHX, preserving antibacterial activity and food quality for improved shelf-life.

Keywords:
Active paperboard packagingAntibacterial activityChlorhexidine digluconateMicrofibrillated celluloseModel foodSustained release

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Area of Science:

  • Materials Science
  • Food Science
  • Biotechnology

Background:

  • Growing demand for biodegradable, lightweight food packaging to enhance food quality and shelf-life.
  • Need for active packaging solutions incorporating antimicrobial agents.
  • Development of novel bio-substrates for advanced food packaging applications.

Purpose of the Study:

  • To create a novel antibacterial bio-packaging material using a paperboard substrate.
  • To incorporate chlorhexidine digluconate (CHX) as an antibacterial agent within a microfibrillated cellulose (MFC) coating.
  • To evaluate the controlled release, antibacterial efficacy, and food preservation capabilities of the developed packaging.

Main Methods:

  • Coating paperboard samples with a mixture of microfibrillated cellulose (MFC) and chlorhexidine digluconate (CHX).
  • Utilizing Atomic Force Microscopy (AFM) and Field Emission Scanning Electron Microscopy (FE-SEM) to analyze the MFC network structure.
  • Conducting release studies in an aqueous medium and performing antibacterial tests against Bacillus subtilis.
  • Evaluating the preservation of a model food's quality.

Main Results:

  • The nanoporous MFC network effectively trapped and facilitated the progressive release of CHX molecules.
  • Controlled release of CHX was observed over 40 hours, with only 20% released in an aqueous medium when MFC was used.
  • The packaging samples maintained significant antibacterial activity against Bacillus subtilis, with MFC enhancing the effect.
  • Effective preservation of model food quality was demonstrated.

Conclusions:

  • A novel antibacterial bio-packaging material was successfully developed using MFC-coated paperboard with CHX.
  • The MFC coating ensures sustained release of the antibacterial agent, prolonging its efficacy.
  • This technology shows significant promise for the food packaging industry, contributing to improved food safety and reduced waste.