Fish Freshness Meter (Torrymeter) compared with selected methods of assessing freshness quality and storage life of Gilthead Sea Bream

Fish Freshness Meter (Torrymeter) compared with selected methods of assessing freshness quality and storage life of Gilthead Sea Bream

TitleComparison of selected methods of assessing freshness quality and remaining storage life of iced gilthead sea bream (Sparus aurata)
Article Written byVladimiros P. Lougovoisa, Eustratios R. Kyranasb, Vasiliki R. Kyranaa
Research Done atTechnological Educational Institution (TEI) of Athens, Greece
Published DateNovember 11, 2002
Fish SpeciesGilthead Sea Bream (Sparus aurata)
Key wordsGilthead sea bream; Quality index; Torrymeter; k1 value; Sulphide-producing bacteria

What the research is about

Quality changes of whole, iced Gilthead sea bream were monitored by sensory evaluation, k1 value, GR Torrymeter, and bacterial counts. The methods were tested for their suitability to determine freshness quality and remaining storage life in ice.

Research conclusion

The Torrymeter offered a unique tool for indirectly measuring freshness quality of gilthead sea bream. Instrument readings were consistent with sensory assessment and provided a basis for estimating days in ice passed with an accuracy (2.2 days), which was not practically different from that provided by either k1 value, quality index method or counts of sulphide-producing bacteria. Advantages of using the electrical tester include ease of use, immediate response, portability, and minimal training requirements.

Assurant Innovations take

When compared with other methods being used to determine fish freshness, Torrymeter correlated very well. It states the advantages of ease of use, immediate results, portability and minimal training required.

Fish Freshness Meter (Torrymeter)

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