Preparation and characterization of ultrasound-assisted essential oil-loaded nanoemulsions stimulated pullulan-based bioactive film for strawberry fruit preservation
Research output: Contribution to journal › Journal article › Research › peer-review
Ultrasound is a high-energy approach that can help with homogenization and dispersion in cavitation. In this study, nanoemulsions of curcumin and orange essential oil were prepared with ultrasound treatment at different times. The ultrasound-treated nanoemulsions for 10 min exhibited the smallest droplet size, the best storage, and higher thermal stability. The pullulan-based film with ultrasound-assisted nanoemulsions exhibited improved water vapor permeability and moisture content and the highest tensile strength and elongation at break. The structural analysis showed that ultrasonic treatment enhanced the H-bond, resulting in a more orderly molecular arrangement and intermolecular compatibility. Furthermore, the bioactive film had the maximum oil retention time. It possessed excellent bacteriostatic properties against Escherichia coli and Staphylococcus aureus due to the smallest oil droplets and uniform distribution in the film matrix. Besides, the weight loss and deterioration of the strawberry fruit were effectively reduced, thus prolonging the shelf life.
Original language | English |
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Article number | 136254 |
Journal | Food Chemistry |
Volume | 422 |
ISSN | 0308-8146 |
DOIs | |
Publication status | Published - 2023 |
Externally published | Yes |
Bibliographical note
Funding Information:
The authors wish to express their appreciation for the support obtained from the National Natural Science Foundation of China (Grants No. 32072355); The Primary Research & Development Plan of Zhenjiang (Grants No. NY2021006); The Key Research & Development project for science and technology innovation (modern agriculture) of Danyang (Grants No. SNY202201); Sponsored by Qing Lan Project (2020); Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD). There are no conflicts of interest to declare.
Publisher Copyright:
© 2023
- Essential oil, Film, Nanoemulsions, Pullulan, Ultrasound
Research areas
ID: 391497315