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  • Eurasian Journal of Food Science and Technology
  • Volume:2 Issue:1
  • Development of Antioxidant Chitosan Films Incorporated with Quinoa Extract

Development of Antioxidant Chitosan Films Incorporated with Quinoa Extract

Authors : Ece SÖĞÜT, Atıf Can SEYDİM
Pages : 19-27
View : 25 | Download : 7
Publication Date : 2018-08-31
Article Type : Research Paper
Abstract :In this study, the antioxidant chitosan insert ignore into journalissuearticles values(CH); films were prepared by incorporating quinoa extract insert ignore into journalissuearticles values(QE); insert ignore into journalissuearticles values(5, and 10%, wt); into CH film solutions. The effect of QE incorporation into CH film was evaluated by physicomechanical, and active properties insert ignore into journalissuearticles values(antioxidant, and antimicrobial activity);. Active compounds were extracted from QE by distilled water at 60°C during 6 hours. The total phenolic content and 2,2-Diphenyl-1-picrylhydrazyl insert ignore into journalissuearticles values(DPPH); radical scavenging activity of QE were found as 34.35±0.27 mg GAE/100 g insert ignore into journalissuearticles values(dry weight); and 25.61±1.36 %, respectively. QE included CH films showed higher water vapor permeability values insert ignore into journalissuearticles values(WVP); and moisture content insert ignore into journalissuearticles values(p<0.05);. The transmittance and L* values of film samples decreased with the increasing QE content whereas opacity and a* values increased insert ignore into journalissuearticles values(p<0.05);. The elastic modulus and tensile strength of CH films did not change significantly by the incorporation of QE, however, the elongation at break values of films increased with the increasing amount of QE. CH films incorporated with QE extract exhibited 15.60±0.68 and 17.92±1.2% of DPPH radical scavenging activity for 5% QE and 10% QE incorporation, respectively. All film samples showed antimicrobial activity against Escherichia coli, and Listeria monocytogenes but QE incorporation did not promote the antimicrobial activity of CH films. CH films with active properties could have a potential to be used as active food packaging films along with conventional packaging films that could reduce the amount of film used.
Keywords : Antimicrobial, Antioxidant, Chitosan, Quinoa Extract

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