Fabrication and characterization of biocomposite films based on carboxymethyl cellulose/polyvinyl alcohol/fish gelatin for food packaging exploits

Document Type : Research Article


1 Ph.D. Student, Department of Seafood Processing, Faculty of Marine Sciences, Tarbiat Modares University, Noor, Iran

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

3 M.Sc. Student,Department of Food Science & Industries, Khazar Institute of Higher Education, Mahmoodabad, Iran

4 Instituto de Ciencia y Tecnología de Alimentos y Nutrición (ICTAN, CSIC), Calle José Antonio Novais, 10, 28040 Madrid, Spain


< p >The present study was aimed to investigate the physical and mechanical properties of biodegradable ternary films based on carboxymethyl cellulose (CMC), polyvinyl alcohol (PVA) and fish gelatin (FG) at different ratios (50CMC/50PVAG:0FG, 40CMC/40PVA:20FG, 35CMC/35PVA:30FG, 30CMC/30PVA:40FG and 25CMC/25PVA:50FG) via a simple casting method. The results showed that adding different ratios of FG (20-50%) to the control film (50CMC/50PVAG:0FG) significantly reduced the solubility and tensile strength of the films, as the 25CMC/25PVA:50FG ratio has the lowest values; also, the moisture content, contact angle, whiteness index, water vapor permeability (WVP) and elongation at break (EAB) of the films showed a significant increase compared to the control (p

Graphical Abstract

Fabrication and characterization of biocomposite films based on carboxymethyl cellulose/polyvinyl alcohol/fish gelatin for food packaging exploits


  • Films based on carboxymethyl cellulose (CMC), poly(vinyl alcohol) (PVA), and fish gelatin (FG) were prepared.
  • The film solubility was decreased with the addition of FG.
  • Fourier-transform infrared (FTIR) spectroscopy showed interactions among polymers.
  • Differential scanning calorimetry (DSC) indicated that the thermal stability of composite films reduced after the addition of FG.
  • CMC/PVA/FG ternary films showed potential as eco-friendly packaging materials.


Main Subjects

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