Biodegradable composites from polyester and sugar beet pulp with antimicrobial coating for food packaging

David R. Coffin; Tony Z. Jin; Nicolas Latona; Cheng‐Kung Liu; Bo Liu; Linshu Liu

doi:10.1002/app.36885

journal article Apr 16, 2012

Biodegradable composites from polyester and sugar beet pulp with antimicrobial coating for food packaging

David R. Coffin Tony Z. Jin Nicolas Latona Cheng‐Kung Liu Bo Liu

Linshu Liu

Journal of Applied Polymer Science Vol. 126 No. S1 · Wiley

View at Publisher Save 10.1002/app.36885

Abstract

AbstractTotally biodegradable, double‐layered antimicrobial composite films were introduced for food packaging. The substrate layers of the sheets were prepared from poly(lactic acid) (PLA) and sugar beet pulp (SBP) or poly (butylene adipate‐co‐terephthalate (PBAT) and SBP by a twin‐screw extruder. The active layer consisting of antimicrobial in either PLA or chitosan was formed on the surfaces of the substrates by solution coating followed by solvent evaporation. Air‐coupled ultrasonic evaluation and microscopic examination showed a homogeneous structure for the composite sheets. Mechanical analysis and acoustic emission demonstrated the double‐layered composites possessing appropriate tensile strength and fracture characteristics for the use as light weight‐bearing materials. The release of Nisaplin® or allyl isothiocyanate (AIT) effectively suppressed the growth of Listeria monocytogenes and Salmonella cells, respectively; the co‐release of Nisaplin® and AIT played a synergistic effect on inhibition of L. monocytogenes. © 2012 Wiley Periodicals, Inc. J Appl Polym Sci, 2012

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References

Details

Published: Apr 16, 2012
Vol/Issue: 126(S1)
License: View

Authors

Eastern Regional Research Center U.S. Department of Agriculture Agricultural Research Service 600 E. Mermaid Lane Wyndmoor PA 19038 USA

Hebei University of Engineering

L

Linshu Liu

U.S. Department of Agriculture, 600 East Mermaid Lane Eastern Regional Research Center, Agricultural Research Service Wyndmoor Pennsylvania 19038

Cite This Article

David R. Coffin, Tony Z. Jin, Nicolas Latona, et al. (2012). Biodegradable composites from polyester and sugar beet pulp with antimicrobial coating for food packaging. Journal of Applied Polymer Science, 126(S1). https://doi.org/10.1002/app.36885

Biodegradable composites from polyester and sugar beet pulp with antimicrobial coating for food packaging

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