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Seasonal Variation of Storage Properties of Vendace (Coregonus albulaL.)

The freshness of vendace (Coregonus albulaL.) caught in Finland either in August or in April was followed over the storage period of 7 days. Microbiological analyses, measurement of volatile compounds using ion mobility based gas detector and measurements of electrical properties (Torrymeter score v...

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Bibliographic Details
Published in:Journal of aquatic food product technology 2002-11, Vol.11 (3-4), p.21-29
Main Authors: Muje, Petri, Pursiainen, Juha, Hyvönen, Paula, von Wright, Atte, Raatikainen, Olavi
Format: Article
Language:English
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Summary:The freshness of vendace (Coregonus albulaL.) caught in Finland either in August or in April was followed over the storage period of 7 days. Microbiological analyses, measurement of volatile compounds using ion mobility based gas detector and measurements of electrical properties (Torrymeter score values) of fish were used to estimate the freshness of vendace. In the low environmental temperatures, the number of fish-associated bacteria was lower than during the summer season. This could be seen in 1-2 days longer shelf life of the catch, the maximum shelf life of vendace being approximately 6-7 days for winter fish and 5-6 days for summer fish. The differences in the amount of proteolytic and lipolytic bacteria may affect the degradation process during the storage of fish.
ISSN:1049-8850
1547-0636
DOI:10.1300/J030v11n03_03