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- Title
Growth and Volatile Organic Compound Production of Pseudomonas Fish Spoiler Strains on Fish Juice Agar Model Substrate at Different Temperatures.
- Authors
Parlapani, Foteini F.; Anagnostopoulos, Dimitrios A.; Karamani, Evangelia; Mallouchos, Athanasios; Haroutounian, Serkos A.; Boziaris, Ioannis S.
- Abstract
Microbial spoilage is the main cause of quality deterioration in seafood. Several strains of psychotropic Pseudomonas have been found to dominate in such products, producing a plethora of volatile organic compounds (VOC). Herein, we investigated the growth of and VOC production by seven strains of Pseudomonas associated with spoiled fish after inoculation as single and mixed cultures on model fish substrate and storage at 0, 4 and 8 °C. The results indicated a strain-dependent VOC profile that was also affected by the storage temperature. Hierarchical cluster analysis (HCA) successfully grouped the strains based on VOC profile at each studied temperature, while some potential Chemical Spoilage Indices (CSI) were revealed. The findings of the present work will contribute to the understanding of the metabolic activity of particular strains of Pseudomonas and to reveal any potential CSI for rapid evaluation of fish spoilage/freshness status.
- Subjects
AGAR; VOLATILE organic compounds; PSEUDOMONAS; FISH spoilage; FISH farming; HIERARCHICAL clustering (Cluster analysis); CLUSTER analysis (Statistics)
- Publication
Microorganisms, 2023, Vol 11, Issue 1, p189
- ISSN
2076-2607
- Publication type
Article
- DOI
10.3390/microorganisms11010189