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Shelf-life extension of refrigerated sea bass slices wrapped with fish protein isolate/fish skin gelatin-ZnO nanocomposite film incorporated with basil leaf essential oil

  • Yasir Ali Arfat
  • , Soottawat Benjakul
  • , Kitiya Vongkamjan
  • , Punnanee Sumpavapol
  • , Suthasinee Yarnpakdee
  • Prince of Songkla University

Research output: Contribution to journalArticlepeer-review

182 Citations (Scopus)

Abstract

Microbiological, chemical and sensory changes of sea bass slices wrapped with fish protein isolate (FPI)/fish skin gelatin (FSG) films incorporated with 3 % ZnO nanoparticles (ZnONP) (w/w, based on protein content) and 100 % basil leaf essential oil (BEO) (w/w, based on protein content) during storage of 12 days at 4 °C were investigated. Sea bass slices wrapped with FPI/FSG-ZnONP-BEO film had the lowest growth of psychrophilic bacteria, lactic acid bacteria and spoilage microorganisms including Pseudomonas , H2S-producing bacteria and Enterobacteriaceae throughout storage of 12 days in comparison with those wrapped with FPI/FSG-BEO, FPI/FSG-ZnONP, FPI/FSG film, polypropylene film (PP film) and the control (without wrapping), respectively (P < 0.05). Lowered increases in pH, total volatile base, peroxide value and TBARS value were found in FPI/FSG-ZnO-BEO film wrapped samples, compared with others (P < 0.05). Sensory evaluation revealed that shelf-life of sea bass slices was longest for samples wrapped with FPI/FSG-ZnONP-BEO film (12 days), as compared to the control (6 days) (P < 0.05).

Original languageEnglish
Pages (from-to)6182-6193
Number of pages12
JournalJournal of Food Science and Technology
Volume52
Issue number10
DOIs
Publication statusPublished - 24 Oct 2015
Externally publishedYes

Keywords

  • Active food packaging
  • Basil essential oil
  • Bionanocomposite
  • Fish protein isolate
  • Fish skin gelatin
  • ZnO nanoparticles

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