Journal
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
Volume 627, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.colsurfa.2021.127220
Keywords
Pickering emulsion; Cellulose nanofiber; Clove essential oil; Gelatin; agar; Active packaging film
Categories
Funding
- National Research Foundation of Korea (NRF) - Korea government (MSIT) [2019R1A2C2084221]
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Highly stable nanosized Pickering emulsion (PE) prepared using clove bud natural essential oil stabilized with nanocellulose fiber was used to prepare gelatin/agar-based functional films. The inclusion of PE slightly improved mechanical strength and somewhat reduced vapor barrier properties of the gelatin/agar-based film, while maintaining thermal stability. Additionally, the PE provided excellent UV-barrier properties without sacrificing film transparency, along with potent antioxidant activities. These composite films with improved physical and functional properties are suitable for active food packaging applications.
Highly stable nanosized Pickering emulsion (PE) was prepared using clove bud natural essential oil stabilized with nanocellulose fiber. The PE was used to prepare gelatin/agar-based functional films. The PE was compatible with the polymer matrix and was evenly dispersed in the polymer matrix. The inclusion of PE slightly improved the mechanical strength and somewhat reduced the vapor barrier properties of the gelatin/agar-based film, with no significant difference in thermal stability. The addition of PE also provided excellent UV-barrier properties without sacrificing the transparency of the film. Besides, the composite film showed potent antioxidant activities. The PE-added gelatin/agar-based films with improved physical and functional properties are likely to be used in active food packaging applications.
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