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 language | English |
|---|---|
| Article number | 120901 |
| Journal | Carbohydrate Polymers |
| Volume | 314 |
| DOIs | |
| Publication status | Published - 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 ).
| Funders | Funder number |
|---|---|
| Belt and Road” Innovative Talent Exchange Foreign Expert Project | DL2021003001, 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)
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SDG 12 Responsible Consumption and Production
Keywords
- Chitosan
- Coating
- Films
- Food preservation
- Grafting
- Phenolic acids
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