Electrospinning of cinnamaldehyde in chitosan/poly(ε-caprolactone) hybrid nanofibers: the investigation of physicomechanical, structural, and antimicrobial properties for food biopackaging exploits

Document Type : Research Article

Authors

Department of Seafood Processing, Faculty of Marine Sciences, Tarbiat Modares University, Noor, Iran

Abstract

The development of antimicrobial electrospun nanofibrous mats is one of the most recent trends in the field of food biopackaging. Herein, novel antimicrobial fibrous mats consisting of blend electrospun chitosan (CS)/poly(ε-caprolactone) (PCL) embedded with cinnamaldehyde (CIN) were fabricated via an electrospinning approach and investigated. Field emission scanning electron microscopy (FE-SEM) manifested that as-spun fibers were well-oriented with uniform diameters along their lengths. The physical interactions and hydrogen bonding between CS/PCL and CIN were verified by Fourier-transform infrared (FTIR) spectroscopy. This novel hybrid mat demonstrated excellent mechanical strength of 11.7 ± 0.93 MPa (CS/CIN(10%)/PCL) and achieved good water vapor barrier (WVP) performance. In vitro release assay also revealed that most of CIN loaded fiber mats were remained (73.2-78.1%) after 96h, demonstrating their durability. Furthermore, the electrospun nanofibrous mats containing the highest amount of CIN (CS/CIN(10%)/PCL) exhibited distinctive antibacterial activity towards Gram-positive Listeria monocytogenes and Gram-negative Escherichia coli bacteria. This study gives insights to design new fiber-based antimicrobial nanomaterials of interest in food packaging exploits.

Graphical Abstract

Electrospinning of cinnamaldehyde in chitosan/poly(ε-caprolactone) hybrid nanofibers: the investigation of physicomechanical, structural, and antimicrobial properties for food biopackaging exploits

Highlights

  • Cinnamaldehyde (CIN)-loaded chitosan/poly(ε-caprolactone) hybrid nanofibers were developed via electrospinning
  • Surface morphology of electrospun fibers was influenced by the inclusion of CIN
  • Electrospun fibers showed excellent mechanical strength and good water vapor barrier performance
  • CS/PCL nanofibers containing 10% CIN eliminated the growth of two different bacterial strains
  • CS/CIN/PCL can be an innovative choice for designing a new generation of packaging

Keywords

Main Subjects

References

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Innovative Food Technologies
Volume 9, Issue 3
May 2022
Pages 269-287

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History

  • Receive Date: 25 January 2022
  • Revise Date: 07 April 2022
  • Accept Date: 15 April 2022

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