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Chitosan-grafted phenolic acids as an efficient biopolymer for food packaging films/coatings

  • Wanli Zhang
  • , Milad Hadidi
  • , Asli Can Karaca
  • , Sara Hedayati
  • , Mohammad Tarahi
  • , Elham Assadpour
  • , Seid Mahdi Jafari*
  • *Corresponding author for this work
  • Hainan University
  • University of Castilla-La Mancha
  • Shiraz University of Medical Sciences
  • Food Industry Research Co.
  • Gorgan University of Agricultural Sciences and Natural Resources

Research output: Contribution to journalReview articlepeer-review

93 Citations (Scopus)

Abstract

Chitosan (CS), a bio-renewable natural material, has the potential to be utilized as a biopolymer for food packaging films (PFs)/coatings. However, its low solubility in dilute acid solutions and poor antioxidant and antimicrobial activities limit its application in PFs/coatings. To address these restrictions, chemical modification of CS has garnered increasing interest, with graft copolymerization being the most extensively used method. Phenolic acids (PAs) as natural small molecules are used as excellent candidates for CS grafting. This work focuses on the progress of CS grafted PA (CS-g-PA) based films, introducing the chemistry and methods of preparing CS-g-PA, particularly the effects of different PAs grafting on the properties of CS films. In addition, this work discusses the application of different CS-g-PA functionalized PFs/coatings for food preservation. It is concluded that the food preservation capability of CS-based films/coatings can be improved by modifying the properties of CS-based films through PA grafting.

Original languageEnglish
Article number120901
JournalCarbohydrate Polymers
Volume314
DOIs
Publication statusPublished - 15 Aug 2023

Bibliographical note

Publisher Copyright:
© 2023 Elsevier Ltd

Funding

First author acknowledges the Scientific Research Funds of Hainan University , China. Last author acknowledges the Chinese Ministry of Science and Technology “the Belt and Road” Innovative Talent Exchange Foreign Expert Project (Grant Number DL2021003001 and DL2021014003L ).

FundersFunder number
Belt and Road” Innovative Talent Exchange Foreign Expert ProjectDL2021003001, DL2021014003L
Ministry of Science and Technology of the People's Republic of China
Hainan University

    UN SDGs

    This output contributes to the following UN Sustainable Development Goals (SDGs)

    1. SDG 12 - Responsible Consumption and Production
      SDG 12 Responsible Consumption and Production

    Keywords

    • Chitosan
    • Coating
    • Films
    • Food preservation
    • Grafting
    • Phenolic acids

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