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A study on the preparation of antibacterial biopolymer film

  • Dong Lyun Cho
  • , Kun Na
  • , Eun Kyung Shin
  • , Hyun Jin Kim
  • , Ki Young Lee
  • , Jin Hwan Go
  • , Choon Soon Choi
  • Chonnam National University
  • Chosun University
  • Kwangju Health College

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

Preparation of antibacterial biopolymer film which is suitable for food packaging film was investigated using κ-carrageenan as a base material. κ-Carrageenan showed good biodegradability and film-forming characteristic but poor mechanical properties under humid condition. Also, various bacteria grew well on its surface. The poor mechanical properties could be improved by mixing with alginate at a 1:1 ratio and crosslinking with CaC12 solution. Antibacterial property could be provided by modifying the κ-carrageenan film surface with acrylic acid plasma followed by ion-exchange with Ag+ ions. Such prepared film still showed good biodegradability by various fungi.

Original languageEnglish
Pages (from-to)193-198
Number of pages6
JournalJournal of Microbiology and Biotechnology
Volume11
Issue number2
StatePublished - Apr 2001

Keywords

  • Antibacterial property
  • Biopolymer
  • Improvement of mechanical properties
  • Plasma modification
  • Κ-carrageenan

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