Incorporating quercetin nanocrystals in chitosan-polyvinyl alcohol composite film with cinnamon essential oil loaded Pickering emulsions for enhanced controlled release properties
Fan, Simin; Zhang, Dequan; Yang, Qingfenget al.
2025 • In Food Packaging and Shelf Life, 52, p. 101678
[en] Despite extensive efforts in developing bio-based active packaging, most current films still suffer from poor release kinetics of active ingredients. This study presents an innovative strategy to improve the controlled-release performance of antimicrobial packaging by incorporating cinnamon essential oil (CEO)-loaded Pickering emulsions as carriers and quercetin nanocrystals (QNs) as nanofillers into a chitosan-polyvinyl alcohol composite (CS-PVA/PEs/QNs). The resulting CS-PVA/PEs/QNs film exhibited excellent mechanical properties, achieving a tensile strength of 39.09 ± 0.46 MPa. We attribute this enhancement to a strengthened hydrogen-bonding network among QNs, the CEO-loaded Pickering emulsions, and the CS-PVA matrix, as confirmed by FTIR, XRD, and TGA. Furthermore, the film demonstrated remarkable antimicrobial activity (>99.99 % inhibition against food spoilage bacteria) and a significantly enhanced antioxidant capacity (approximately five-fold increase). The incorporation of QNs effectively modulated the CEO release kinetics, which followed a Fickian diffusion mechanism in high-fat food simulants, thereby suggesting a potential for long-term antimicrobial efficacy. Owing to these controlled-release antimicrobial characteristics, the CS-PVA/PEs/QNs film proved highly effective in preserving fresh meat, extending its shelf life to 11 days at 4 • C. This work provides a promising strategy for designing advanced controlled-release systems and contributes to the development of highperformance antimicrobial packaging.
Disciplines :
Agriculture & agronomy Chemistry
Author, co-author :
Fan, Simin ; Université de Liège - ULiège > TERRA Research Centre ; Key Laboratory of Agro-products Quality and Safety Control in Storage and Transport Process, Institute of Food Science and Technology, Ministry of Agriculture and Rural Affairs, Chinese Academy of Agricultural Sciences, Beijing, China
Zhang, Dequan; Key Laboratory of Agro-products Quality and Safety Control in Storage and Transport Process, Institute of Food Science and Technology, Ministry of Agriculture and Rural Affairs, Chinese Academy of Agricultural Sciences, Beijing, China
Yang, Qingfeng; Key Laboratory of Agro-products Quality and Safety Control in Storage and Transport Process, Institute of Food Science and Technology, Ministry of Agriculture and Rural Affairs, Chinese Academy of Agricultural Sciences, Beijing, China
Zhu, Chaoqiao; Key Laboratory of Agro-products Quality and Safety Control in Storage and Transport Process, Institute of Food Science and Technology, Ministry of Agriculture and Rural Affairs, Chinese Academy of Agricultural Sciences, Beijing, China
Richel, Aurore ; Université de Liège - ULiège > TERRA Research Centre > Chemistry for Sustainable Food and Environmental Systems (CSFES)
Fauconnier, Marie-Laure ; Université de Liège - ULiège > Département GxABT > Chemistry for Sustainable Food and Environmental Systems (CSFES)
Li, Cheng; Key Laboratory of Agro-products Quality and Safety Control in Storage and Transport Process, Institute of Food Science and Technology, Ministry of Agriculture and Rural Affairs, Chinese Academy of Agricultural Sciences, Beijing, China
Tian, Ming; Key Laboratory of Agro-products Quality and Safety Control in Storage and Transport Process, Institute of Food Science and Technology, Ministry of Agriculture and Rural Affairs, Chinese Academy of Agricultural Sciences, Beijing, China
Li, Xin; Key Laboratory of Agro-products Quality and Safety Control in Storage and Transport Process, Institute of Food Science and Technology, Ministry of Agriculture and Rural Affairs, Chinese Academy of Agricultural Sciences, Beijing, China
Hou, Chengli ; Key Laboratory of Agro-products Quality and Safety Control in Storage and Transport Process, Institute of Food Science and Technology, Ministry of Agriculture and Rural Affairs, Chinese Academy of Agricultural Sciences, Beijing, China
Language :
English
Title :
Incorporating quercetin nanocrystals in chitosan-polyvinyl alcohol composite film with cinnamon essential oil loaded Pickering emulsions for enhanced controlled release properties
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