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Effects of Garlic Extract and Lemon Juice on the Shelf Life of Fermented and Dried Fish Fillets (Lanhouin) during Storage


Janvier Melegnonfan Kindossi
Ogouyôm Herbert Iko Afé
Générose Vieira Dalodé
Ola Kèmi Boya
Noël Houédougbé Akissoé
Victor Bienvenu Anihouvi
Djidjoho Joseph Hounhouigan

Abstract

The effect of natural additives (lemon juice, garlic extract or their mixture) on the shelf life of Lanhouin fillets, a fermented fish, was investigated by  monitoring the microbiological, physicochemical and sensory changes in treated fillet samples and control. All analyzed samples showed a decreasing  trend in water activity and total viable count during the storage period, while an increasing trend was recorded for the pH, total volatile nitrogen and  biogenic amines at both 4 and 30°C storage conditions. The highest histamine content in the treated filet samples was 10.5 mg/kg while the maximal  threshold suggested by European regulation for such fishery products is 20 mg/100g. The sensory evaluation revealed that the Lanhouin fillets treated  with lemon juice, garlic extract or their mixture and stored at 4°C for 90 days exhibited a significantly higher visual appearance, odour and overall  acceptability scores compared to those stored at 30°C. These ingredients which are readily available and affordable could be valorized in the production  of Lanhouin as preservative agents in the cottage industry of West African countries


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eISSN: 2663-1741
print ISSN: 2664-5513