Effect of different storage conditions on the dielectric properties of the Sea Bass

Effect of different storage conditions on the dielectric properties of the Sea Bass

TitleEffect of different storage conditions on the dielectric properties of the sea bass (Dicentrarchus labrax, L.)
Article Written byVida Šimat, Alen Soldo, Jasna Maršić-Lučić, Mladen Tudor, Tanja Bogdanović
Research Done atUniversity of Split, Croatia
Published DateJanuary 28, 2009
Fish SpeciesSea Bass (Dicentrarchus labrax, L.)
Key Wordsfish, dielectric properties, storage conditions, Quality Index Method (QIM)

What the research is about

Dielectric properties and sensory assessment of sea bass (Dicentrarchus labrax, L.) stored under six different conditions over a period of 75 hours were investigated. Declines of the Fish Freshness Meter (Torrymeter) values over time were established under all storage conditions but showed variability. The correlations between the Fish Freshness Meter (Torrymeter) readings and Quality Index Method (QIM) results were studied. Significant negative correlations were found between QIM results and Fish Freshness Meter (Torrymeter) readings for samples stored in sea water (20 to 22C), storage room (16 to 18C), refrigerated room (2 to 4 C) and sea water (10 to 12 C). QIM and torrymeter values in slurry ice and ice box samples were not in correlation.

Research conclusion

Measuring dielectric properties alone is not an “absolute” in fresh fish quality assessment although, in combination with sensory analysis,fish muscle conduction ability is a practical and objective measurement of fish quality.

Assurant Innovations take

The Fish Freshness Meter (Torrymeter) did not correlate well under the conditions in this experimental study. It concludes that the Fish Freshness Meter (Torrymeter) alone could not be used to determine fish freshness.

Fish Freshness Meter (Torrymeter)

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