Chitosan-based melatonin bilayer coating for maintaining quality of fresh-cut products

Zhao, Hangyue, Wang, Lei, Belwal, Tarun, Jiang, Yunhong, Li, Dong, Xu, Yanqun, Luo, Zisheng and Li, Li (2020) Chitosan-based melatonin bilayer coating for maintaining quality of fresh-cut products. Carbohydrate Polymers, 235. p. 115973. ISSN 0144-8617

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This work was designed to develop the chitosan-based melatonin layer-by-layer assembly (CMLLA) via the inclusion method. The structural characterizations and interaction present in CMLLA were investigated by the scanning electron microscope (SEM), X-ray diffraction (XRD) and Fourier Transform-Infrared spectroscopy (FTIR). The ratio of chitosan (CH) to carboxymethylcellulose (CMC) greatly influenced the mechanical properties, including the tensile strength, moisture content and color performance. Results showed that both antioxidant and antimicrobial properties of CMLLA were enhanced with the addition of melatonin (MLT). Furthermore, it was demonstrated that the CMLLA with 1.2 % (w/v) CH, 0.8 % (w/v) CMC and 50 mg/L MLT better contributed to the delay of chlorophyll degradation and the maintenance of shelf-life quality. Results from this study might open up new insights into the approaches of quality improvement of postharvest fresh products by incorporating the natural antioxidant compounds into natural polymers.

Item Type: Article
Uncontrolled Keywords: Melatonin-loaded, Assembly, Layer by layer, Structural property, Antioxidant capacity, Antimicrobial activity
Subjects: C100 Biology
C500 Microbiology
F200 Materials Science
Department: Faculties > Health and Life Sciences > Applied Sciences
Depositing User: Rachel Branson
Date Deposited: 25 Feb 2020 11:25
Last Modified: 25 Feb 2020 11:30

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