Characterization of natural polymers as functional barriers for cellulose-based packaging materials

Publikation: Beitrag in einer FachzeitschriftArtikelForschungBegutachtung

Abstract

Cellulose-based packaging materials are currently the most commonly used food packaging materials due to their light weight, stability and affordable price. However, the use of recycled paper and board adds to the risk that undesirable substances migrate into the packed goods, since contaminants are not completely removed during the recycling process and can accumulate in the final product. The only available fast and practical solution that can be used to reduce the migration of these substances is the application of functional barriers in the packaging. The applied barriers are currently mostly synthetic, which either serve only a moderate barrier function and/or have the disadvantage that it is often more complex and expensive to recycle the resulting packaging material. The aim of this project is to evaluate different bio-based or biodegradable polymers with regards to their barrier properties. Due to the fact that the transport phenomena are mainly driven by (gas phase) migration, methods based on gas chromatography (GC), including GC coupled with mass spectrometry (GC-MS) and flame ionization detection (GC-FID), GC-FID coupled online with high pressure liquid chromatography (HPLC-GC-FID), and comprehensive GCxGC-MS were used to qualify and quantify the migrated substances. This use of a wide range of different methods and instruments yielded excellent results, allowing us to comprehensively characterize the biopolymers and their barrier function.
Originalspracheenglisch
Seiten (von - bis)976-988
Seitenumfang13
FachzeitschriftFood Additives & Contaminants/ Part A
Jahrgang36
Ausgabenummer6
DOIs
PublikationsstatusVeröffentlicht - Apr 2019

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Natural polymers
Packaging materials
Cellulose
Gas chromatography
High pressure liquid chromatography
Biodegradable polymers
Biopolymers
Ionization
Mass spectrometry
Recycling
Packaging
Gases
Impurities

Schlagwörter

    ASJC Scopus subject areas

    • !!Public Health, Environmental and Occupational Health
    • !!Food Science
    • !!Chemistry(all)
    • !!Health, Toxicology and Mutagenesis
    • Toxikologie

    Dies zitieren

    Characterization of natural polymers as functional barriers for cellulose-based packaging materials. / Walzl, Andrea; Kopacic, Samir; Bauer, Wolfgang; Leitner, Erich.

    in: Food Additives & Contaminants/ Part A, Jahrgang 36, Nr. 6, 04.2019, S. 976-988.

    Publikation: Beitrag in einer FachzeitschriftArtikelForschungBegutachtung

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