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Improving a drug's stability in the gastrointestinal (GI) tract is paramount for enhancing its bioavailability and therapeutic effectiveness. Various strategies are employed to protect the drug from the harsh gastric milieu and to ensure its release and absorption at the desired site within the GI tract.Polymer coatings are one such method used to shield drugs from the stomach's acidic environment. By preventing premature drug release, these coatings improve the bioavailability of unstable...
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Updated: Apr 20, 2026

Fabrication and Application of Rose Bengal-chitosan Films in Laser Tissue Repair
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Chitosan films and blends for packaging material.

Lambertus A M van den Broek1, Rutger J I Knoop1, Frans H J Kappen1

  • 1Wageningen UR Food & Biobased Research, PO Box 17, 6700AA Wageningen, The Netherlands.

Carbohydrate Polymers
|December 3, 2014
PubMed
Summary

Chitosan films and blends offer natural antimicrobial protection for packaging, enhancing food safety and quality. This review explores their latest developments as sustainable alternatives to synthetic polymers.

Keywords:
AntimicrobialBiopolymerChitinChitosanPackaging

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Area of Science:

  • Materials Science
  • Polymer Science
  • Food Science

Background:

  • Growing demand for hygiene and antimicrobial solutions in food, feed, and medical applications.
  • Trend towards using natural antimicrobial polymers in films, coatings, and packaging for non-migratory protection.
  • Chitosan, a natural polysaccharide, exhibits intrinsic antimicrobial activity and favorable physicochemical properties.

Purpose of the Study:

  • To review the latest advancements in chitosan films and blends for packaging applications.
  • To highlight chitosan as a sustainable and biofunctional alternative to synthetic antimicrobial polymers.
  • To discuss the potential of chitosan in enhancing food packaging shelf life and quality.

Main Methods:

  • Literature review of recent research on chitosan-based packaging materials.
  • Analysis of studies focusing on chitosan films and blends with antimicrobial properties.
  • Evaluation of chitosan's application in food packaging.

Main Results:

  • Chitosan films and blends demonstrate significant potential as antimicrobial packaging materials.
  • Chitosan offers a natural, non-migratory, and non-depleting antimicrobial agent.
  • Incorporation of chitosan enhances barrier properties, shelf life, and quality of packaged products.

Conclusions:

  • Chitosan is a promising natural alternative for developing advanced antimicrobial packaging.
  • The use of chitosan aligns with the increasing preference for biofunctional materials from renewable resources.
  • Further development of chitosan-based packaging can contribute to food safety and sustainability.