Electrospun Antimicrobial Films of Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) Containing Eugenol Essential Oil Encapsulated in Mesoporous Silica Nanoparticles
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Otros documentos de la autoría: Meléndez Rodríguez, Beatriz; Figueroa López, Kelly Johana; Bernardos, Andrea; Martínez Máñez, Ramón; Cabedo, Luis; Torres-Giner, Sergio; LAGARON, Jose
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Título
Electrospun Antimicrobial Films of Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) Containing Eugenol Essential Oil Encapsulated in Mesoporous Silica NanoparticlesAutoría
Fecha de publicación
2019Editor
MDPIISSN
2079-4991Cita bibliográfica
MELENDEZ-RODRIGUEZ, Beatriz, et al. Electrospun Antimicrobial Films of Poly (3-hydroxybutyrate-co-3-hydroxyvalerate) Containing Eugenol Essential Oil Encapsulated in Mesoporous Silica Nanoparticles. Nanomaterials, 2019, vol. 9, no 2, p. 227.Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
https://www.mdpi.com/2079-4991/9/2/227Versión
info:eu-repo/semantics/publishedVersionPalabras clave / Materias
Resumen
The main goal of this study was to develop poly(3-hydroxybutyrate-co-3-hydroxyvalerate)
(PHBV) films with long-term antimicrobial capacity of interest in food packaging applications. To this
end, eugenol was first ... [+]
The main goal of this study was to develop poly(3-hydroxybutyrate-co-3-hydroxyvalerate)
(PHBV) films with long-term antimicrobial capacity of interest in food packaging applications. To this
end, eugenol was first highly efficiently encapsulated at 50 wt.-% in the pores of mesoporous silica
nanoparticles by vapor adsorption. The eugenol-containing nanoparticles were then loaded in the
2.5–20 wt.-% range into PHBV by electrospinning and the resultant electrospun composite fibers
were annealed at 155 ◦C to produce continuous films. The characterization showed that the PHBV
films filled with mesoporous silica nanoparticles containing eugenol present sufficient thermal
resistance and enhanced mechanical strength and barrier performance to water vapor and limonene.
The antimicrobial activity of the films was also evaluated against foodborne bacteria for 15 days
in open vs. closed conditions in order to simulate real packaging conditions. The electrospun
PHBV films with loadings above 10 wt.-% of mesoporous silica nanoparticles containing eugenol
successfully inhibited the bacterial growth, whereas the active films stored in hermetically closed
systems increased their antimicrobial activity after 15 days due to the volatile portion accumulated in
the system’s headspace and the sustained release capacity of the films. The resultant biopolymer films
are, therefore, potential candidates to be applied in active food packaging applications to provide
shelf life extension and food safety. [-]
Publicado en
Nanomaterials 2019, 9, 227Proyecto de investigación
AGL2015-63855-C2-1-R ; 773872 ; 730349Derechos de acceso
info:eu-repo/semantics/openAccess
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