Characterization of a natural biodegradable edible film obtained from arrowroot starch and iota-carrageenan and application in food packaging.

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  • Additional Information
    • Source:
      Publisher: Elsevier Country of Publication: Netherlands NLM ID: 7909578 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1879-0003 (Electronic) Linking ISSN: 01418130 NLM ISO Abbreviation: Int J Biol Macromol Subsets: MEDLINE
    • Publication Information:
      Publication: Amsterdam : Elsevier
      Original Publication: Guildford, Eng., IPC Science and Technology Press.
    • Subject Terms:
      Edible Films*; Biodegradable Plastics/*chemistry ; Carrageenan/*chemistry ; Food Packaging/*methods ; Marantaceae/*chemistry ; Starch/*chemistry; Hydrogen Bonding ; Solanum lycopersicum ; Tensile Strength ; Vitrification
    • Abstract:
      Future food packaging trends are shifting to natural and eco-friendly materials developed from biopolymers such as starch and other hydrocolloids, to reduce pollution from synthetic polymers. Arrowroot starch (AS) (3.5, 3, 2.5, and 2%) and iota-carrageenan (IC) (0.5, 1, 1.5, and 2%) were blended to develop biodegradable edible films (AS/IC-BEF), which were compared against AS-BEF (4%, control). All films were characterized based on their physico-mechanical and barrier properties, functional group properties, crystallinity properties, thermal properties, and soil and seawater biodegradation. AS-BEF exhibited smooth surface, high transparency, and completed composting soil biodegradation in 7 days whereas AS/IC-BEF samples exhibited higher tensile strength, water solubility, swelling properties, and barrier properties, but completed biodegradation after 30 days. XRD analysis indicated IC fractions contributed to increase in degree of crystallinity (28.35°) and FTIR signaled strong hydrogen bond interactions between polymers. AS/IC-BEF samples demonstrated melting temperatures between 158 and 190 °C while glass transition temperatures ranged from 153 to 176 °C, which resulted in maximum weight loss around 50-55% at melting temperatures. Finally, AS/IC-BEF samples successfully inhibited weight loss of cherry tomatoes at room temperature and extended their shelf life to 10 days, which indicated that the AS/IC composite material produced a BEF with potential food and industrial applications.
      (Copyright © 2021 Elsevier B.V. All rights reserved.)
    • Contributed Indexing:
      Keywords: Arrowroot starch; Biodegradable films; Green products; Thermoplastic starch; X-ray diffraction; Zero waste
    • Accession Number:
      0 (Biodegradable Plastics)
      9000-07-1 (Carrageenan)
      9005-25-8 (Starch)
    • Publication Date:
      Date Created: 20210928 Date Completed: 20211214 Latest Revision: 20221207
    • Publication Date:
      20250114
    • Accession Number:
      10.1016/j.ijbiomac.2021.09.141
    • Accession Number:
      34582908