Development of anti-insect food packaging film containing a polyvinyl alcohol and cinnamon oil emulsion at a pilot plant scale

Heon Joo Jo, Ki Moon Park, Ja Hyun Na, Sea C. Min, Ki Hwan Park, Pahn Shick Chang, Jaejoon Han

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Anti-insect packaging films containing cinnamon oil (CO) encapsulated by polyvinyl alcohol (PVA) for repelling Plodia interpunctella (Hübner) larvae were manufactured using pilot plant scale instruments. The microcapsule emulsion of CO and PVA was printed onto polypropylene (PP) film as an ink mixture using the gravure printing method. The printed PP film was then laminated with a low-density polyethylene (LDPE) film to protect the printed side. Four types of multilayer films were produced: control film, 2% CO film, encapsulated 1% CO film, and encapsulated 2% CO film. When mechanical properties were assessed, tensile strength and elongation-at-break were not significantly different among films, whereas the Young's modulus values were different between the control film and the three types of CO-containing films. In a repellent test, 2% CO film repelled P.interpunctella larvae most effectively. For sensory evaluation, which was performed using milk chocolate, caramel soft candy, and cookies packaged with the produced films, the produced films did not affect the sensory characteristics. Therefore, the films printed with emulsions of CO and PVA could be applied in the food industry to help protect foods from infestation by P.interpunctella.

Original languageEnglish
Pages (from-to)114-118
Number of pages5
JournalJournal of Stored Products Research
Volume61
DOIs
Publication statusPublished - 2015 Mar 1

Keywords

  • Anti-insect packaging
  • Cinnamon oil
  • Mechanical property
  • Microencapsulation
  • Sensory evaluation

ASJC Scopus subject areas

  • Agronomy and Crop Science
  • Food Science
  • Horticulture
  • Insect Science

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