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 language | English |
|---|---|
| Pages (from-to) | 193-198 |
| Number of pages | 6 |
| Journal | Journal of Microbiology and Biotechnology |
| Volume | 11 |
| Issue number | 2 |
| State | Published - Apr 2001 |
Keywords
- Antibacterial property
- Biopolymer
- Improvement of mechanical properties
- Plasma modification
- Κ-carrageenan
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