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The effect of cross-linker type on structural, antimicrobial and controlled release properties of fish gelatin-chitosan composite films incorporated with ε-poly-l-lysine.
Int J Biol Macromol. 2021 Jul 31; 183:1743-1752.IJ

Abstract

In this study, active antibacterial cross-linked composite films were prepared through incorporating ε-poly-l-lysine (ε-PLL) into Siberian sturgeon gelatin-chitosan mixture. Cross-linking was performed by Glutaraldehyde (G) and/or Cinnamaldehyde (C). The antimicrobial, ε-PLL release, mechanical and morphological properties were then investigated. The addition of G to the biopolymer mixture significantly resulted in lower water vapor permeability, enhanced mechanical strength, lower moisture content, and water solubility. The FTIR spectra indicated the formation of imine bonds in the composite film network. The microstructure of composite films was affected by the cross-linking agent. The films cross-linked by G and C showed smooth and rough surfaces, respectively. C induced very small pores in the cross-section of the composite film. The composite films incorporated with ε-PLL revealed higher and steady-state in vitro antimicrobial properties against food spoilage bacteria. A higher release of ε-PLL and hence higher antibacterial activity was measured in the matrices cross-linked by C than those cross-linked by G. The results showed that the ε-PLL-fortified fish gelatin/chitosan composite films can be considered as a food-packaging material. G and C, as cross-linkers, can improve the structural and antimicrobial properties of this composite film.

Authors+Show Affiliations

Department of Natural Resources and Environmental Engineering, School of Agriculture, Shiraz University, Shiraz, Iran.Department of Natural Resources and Environmental Engineering, School of Agriculture, Shiraz University, Shiraz, Iran. Electronic address: mnaseri@shirazu.ac.ir.Department of Natural Resources and Environmental Engineering, School of Agriculture, Shiraz University, Shiraz, Iran. Electronic address: Babaei.sedigheh@gmail.com.Department of Food Science and Technology, School of Agriculture, Shiraz University, Shiraz, Iran.Department of Food Hygiene and Public Health, School of Veterinary Medicine, Shiraz University, Shiraz, Iran.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

34051252

Citation

Mousavi, Zahra, et al. "The Effect of Cross-linker Type On Structural, Antimicrobial and Controlled Release Properties of Fish Gelatin-chitosan Composite Films Incorporated With Ε-poly-l-lysine." International Journal of Biological Macromolecules, vol. 183, 2021, pp. 1743-1752.
Mousavi Z, Naseri M, Babaei S, et al. The effect of cross-linker type on structural, antimicrobial and controlled release properties of fish gelatin-chitosan composite films incorporated with ε-poly-l-lysine. Int J Biol Macromol. 2021;183:1743-1752.
Mousavi, Z., Naseri, M., Babaei, S., Hosseini, S. M. H., & Shekarforoush, S. S. (2021). The effect of cross-linker type on structural, antimicrobial and controlled release properties of fish gelatin-chitosan composite films incorporated with ε-poly-l-lysine. International Journal of Biological Macromolecules, 183, 1743-1752. https://doi.org/10.1016/j.ijbiomac.2021.05.159
Mousavi Z, et al. The Effect of Cross-linker Type On Structural, Antimicrobial and Controlled Release Properties of Fish Gelatin-chitosan Composite Films Incorporated With Ε-poly-l-lysine. Int J Biol Macromol. 2021 Jul 31;183:1743-1752. PubMed PMID: 34051252.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - The effect of cross-linker type on structural, antimicrobial and controlled release properties of fish gelatin-chitosan composite films incorporated with ε-poly-l-lysine. AU - Mousavi,Zahra, AU - Naseri,Mahmood, AU - Babaei,Sedigheh, AU - Hosseini,Seyed Mohammad Hashem, AU - Shekarforoush,Seyed Shahram, Y1 - 2021/05/26/ PY - 2021/04/16/received PY - 2021/05/22/revised PY - 2021/05/23/accepted PY - 2021/5/30/pubmed PY - 2021/7/30/medline PY - 2021/5/29/entrez KW - Active packaging KW - Antimicrobial film KW - Controlled release KW - Cross-linking KW - Edible films KW - Fish gelatin SP - 1743 EP - 1752 JF - International journal of biological macromolecules JO - Int J Biol Macromol VL - 183 N2 - In this study, active antibacterial cross-linked composite films were prepared through incorporating ε-poly-l-lysine (ε-PLL) into Siberian sturgeon gelatin-chitosan mixture. Cross-linking was performed by Glutaraldehyde (G) and/or Cinnamaldehyde (C). The antimicrobial, ε-PLL release, mechanical and morphological properties were then investigated. The addition of G to the biopolymer mixture significantly resulted in lower water vapor permeability, enhanced mechanical strength, lower moisture content, and water solubility. The FTIR spectra indicated the formation of imine bonds in the composite film network. The microstructure of composite films was affected by the cross-linking agent. The films cross-linked by G and C showed smooth and rough surfaces, respectively. C induced very small pores in the cross-section of the composite film. The composite films incorporated with ε-PLL revealed higher and steady-state in vitro antimicrobial properties against food spoilage bacteria. A higher release of ε-PLL and hence higher antibacterial activity was measured in the matrices cross-linked by C than those cross-linked by G. The results showed that the ε-PLL-fortified fish gelatin/chitosan composite films can be considered as a food-packaging material. G and C, as cross-linkers, can improve the structural and antimicrobial properties of this composite film. SN - 1879-0003 UR - https://www.unboundmedicine.com/medline/citation/34051252/The_effect_of_cross_linker_type_on_structural_antimicrobial_and_controlled_release_properties_of_fish_gelatin_chitosan_composite_films_incorporated_with_ε_poly_l_lysine_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0141-8130(21)01134-X DB - PRIME DP - Unbound Medicine ER -