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Loading of cinnamon essential oil into electrospun octenylsuccinylated starch-pullulan nanofiber mats: Electrospinnability evaluation, structural characterization, and antibacterial potential

Lookup NU author(s): Professor David XieORCiD

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This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).


Abstract

The application of cinnamaldehyde essential oil (CEO), which is naturally antibacterial, has been limited due to its high volatility and insolubility in water. This issue may be addressed by nanoencapsulation through electrospinning. In this study, octenylsuccinylated starch (OSS) with different molecular structures blended with pullulan (PUL) was developed to load CEO for enhanced antibacterial potential. OSS with a smaller molecular size and a higher degree of substitution is beneficial for the electrospinning of OSS/PUL into high-quality nanofiber mats. The electrospinning process of OSS/PUL aqueous dopes is mainly influenced by moderate apparent viscosity, increased conductivity, and reduced surface tension. CEO loading through physical adsorption significantly changed the fiber microstructure and displayed antibacterial effects against Staphylococcus aureus, Escherichia coli, and Aspergillus flavus for electrospun OSS/PUL nanofiber mats. This study demonstrates that electrospun starch-based nanofiber mats with loading of essential oils could hold a potential application in active food packaging and wound dressing.


Publication metadata

Author(s): Huang X, Teng Z, Xie F, Wang G, Li Y, Liu X, Li S

Publication type: Article

Publication status: Published

Journal: Food Hydrocolloids

Year: 2024

Volume: 148

Issue: Part A

Print publication date: 01/03/2024

Online publication date: 19/10/2023

Acceptance date: 14/10/2023

Date deposited: 29/10/2023

ISSN (print): 0268-005X

ISSN (electronic): 1873-7137

Publisher: Elsevier

URL: https://doi.org/10.1016/j.foodhyd.2023.109426

DOI: 10.1016/j.foodhyd.2023.109426

ePrints DOI: 10.57711/x5nw-vc69

Data Access Statement: Data will be made available on request.


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Funding

Funder referenceFunder name
32372476
KYCX22_1706
National Natural Science Foundation of China
Postgraduate Research & Practice Innovation Program of Jiangsu Province
Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)

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