Chitosan-aromatic aldehyde Schiff base: synthesis, characterization and application in magnetic-field-assisted refrigerated preservation of golden pompano (Trachinotus ovatus)
- 1Hainan Engineering Research Center of Aquatic Resources Efficient Utilization in South China Sea, Key Laboratory of Seafood Processing of Haikou, School of Food Science and Engineering, Hainan University, Haikou 570228, China
- 2Key Laboratory of Tropical Translational Medicine of Ministry of Education, School of Public Health, Hainan Academy of Medical Sciences, Hainan Medical University, Haikou 571199, China
- 3State Key Laboratory of Marine Food Processing & Safety Control, Collaborative Innovation Center of Seafood Deep Processing, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
Abstract
Aquatic products are highly perishabe, its biological preservation methods achieved ever-increasing attention. In this work, three natural aromatic aldehydes (vanillin, syringaldehyde, 5-hydroxyvanillin) carrying phenolic hydroxyl and aldehyde groups were grafted onto chitosan (CS) to produce Schiff-base conjugates (CS-g-VA, CS-g-SY, CS-g-HV). The disappearance of aldehyde C
Created by potrace 1.16, written by Peter Selinger 2001-2019
O and emergence of CN stretching peaks from FTIR; attenuated aldehyde proton signals from 1H NMR; CN n → π* absorption by UV–vis; red shifts in fluorescence spectra confirmed the grafting reaction. All conjugates demonstrated improved DPPH scavenging; and CS-g-HV maintained favorable ABTS activity. They inhibited five foodborne bacterias by disrupting bacterial membrane integrity. CS-g-HV stood out for superior antioxidant and antibacterial activities. The application of CS-g-HV resulted in golden pompano fillets TVB-N of 12.00 mg N/100 g after 12 days, retarded spoilage and maintained texture property. The combination with SMF exerted enhanced preservation effect. The Schiff-base materials combined with SMF can exhibit application potential for aquatic products preservation.
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BibTeX
@article{lin2026chitosanaromatic,
title = {{Chitosan-aromatic aldehyde Schiff base: synthesis, characterization and application in magnetic-field-assisted refrigerated preservation of golden pompano (Trachinotus ovatus)}},
author = {Hongping Lin and Chengyan Gao and Mantong Zhao and Liming Zhang and Guanghua Xia and Deyang Li and Zhongyuan Liu},
journal = {Food Chemistry: X},
year = {2026},
month = oct,
doi = {10.1016/j.fochx.2026.104675},
url = {https://doi.org/10.1016/j.fochx.2026.104675},
note = {CC BY-NC-ND 4.0},
}
RIS
TY - JOUR
TI - Chitosan-aromatic aldehyde Schiff base: synthesis, characterization and application in magnetic-field-assisted refrigerated preservation of golden pompano (Trachinotus ovatus)
AU - Hongping Lin
AU - Chengyan Gao
AU - Mantong Zhao
AU - Liming Zhang
AU - Guanghua Xia
AU - Deyang Li
AU - Zhongyuan Liu
PY - 2026
DA - 2026/10/27
JO - Food Chemistry: X
DO - 10.1016/j.fochx.2026.104675
UR - https://doi.org/10.1016/j.fochx.2026.104675
AB - Aquatic products are highly perishabe, its biological preservation methods achieved ever-increasing attention. In this work, three natural aromatic aldehydes (vanillin, syringaldehyde, 5-hydroxyvanillin) carrying phenolic hydroxyl and aldehyde groups were grafted onto chitosan (CS) to produce Schiff-base conjugates (CS-g-VA, CS-g-SY, CS-g-HV). The disappearance of aldehyde C Created by potrace 1.16, written by Peter Selinger 2001-2019 O and emergence of CN stretching peaks from FTIR; attenuated aldehyde proton signals from 1H NMR; CN n → π* absorption by UV–vis; red shifts in fluorescence spectra confirmed the grafting reaction. All conjugates demonstrated improved DPPH scavenging; and CS-g-HV maintained favorable ABTS activity. They inhibited five foodborne bacterias by disrupting bacterial membrane integrity. CS-g-HV stood out for superior antioxidant and antibacterial activities. The application of CS-g-HV resulted in golden pompano fillets TVB-N of 12.00 mg N/100 g after 12 days, retarded spoilage and maintained texture property. The combination with SMF exerted enhanced preservation effect. The Schiff-base materials combined with SMF can exhibit application potential for aquatic products preservation.
SN - 2590-1575
ER -