Antibacterial poly(lactic acid) (PLA) films grafted with electrospun PLA/allyl isothiocyanate fibers for food packaging. Issue 2 (11th June 2015)

• Record Type: Journal Article
• Authors: Kara, Hasan H.; Xiao, Fugang; Sarker, Majher; Jin, Tony Z.; Sousa, Ana M. M.; Liu, Cheng‐Kung; Tomasula, Peggy M.; Liu, LinShu; Lagarón, José M.; López‐Rubio, Amparo; Fabra, María José
• Is Part Of: Journal of applied polymer science. Volume 133:Issue 2(2016)
• Page Start: n/a
• Page End: n/a
• Publication Date: 2015-06-11
• Subjects: Polymers -- Periodicals; Polymerization -- Periodicals; 668.9
• DOI: 10.1002/app.42475
• Languages: English
• ISSNs: 0021-8995

Abstract

<abstract abstract-type="main"> <title>ABSTRACT</title> <p>Poly(lactic acid) (PLA) fibers of submicron sizes encapsulating allyl isothiocyanate (AITC) (P<italic>f</italic>A) were made and electrospun onto the surfaces of PLA films. SEM examination confirmed the fusion of the two phases to form a bilayered fiber‐grafted film after the film underwent air blowing and water washing to remove the nongrafted fibers. The fiber‐grafted PLA films (P<italic>f</italic>A‐<italic>g</italic>‐film) retain the mechanical properties of PLA. The release of AITC from the fibers was temperature dependent. At temperatures lower than 4°C, the incorporated AITC remained within the fibers without losing activity; at room temperature, AITC released in a sustained manner over weeks. The release of AITC was also dependent on its initial concentration in the PLA electrospinning solution; samples with more AITC incorporated showed a higher release rate. P<italic>f</italic>A‐<italic>g</italic>‐films significantly inhibited the growth of <italic>Listeria innocua</italic> and <italic>Escherichia coli</italic> k12 when tested on package foods. © 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. <bold>2016</bold>, <italic>133</italic>, 42475.</p> </abstract>