Viability of Anisakis spp. Larvae After Direct Exposure to Different Processing Media and Non-Thermal Processing in Anchovy Fillets

Anisakiasis is fish-borne zoonoses caused by nematodes of the genus Anisakis, contracted by the ingestion of live L3 infective larvae through consumption of raw, undercooked or thermally unprocessed seafood products, such as carpaccio, and white marinated and dry-salted anchovies. In order to mainta...

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Main Authors: Vida Šimat, Željka Trumbić
Format: Article
Language:English
Published: MDPI AG 2019-03-01
Series:Fishes
Subjects:
Online Access:http://www.mdpi.com/2410-3888/4/1/19
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author Vida Šimat
Željka Trumbić
author_facet Vida Šimat
Željka Trumbić
author_sort Vida Šimat
collection DOAJ
description Anisakiasis is fish-borne zoonoses caused by nematodes of the genus Anisakis, contracted by the ingestion of live L3 infective larvae through consumption of raw, undercooked or thermally unprocessed seafood products, such as carpaccio, and white marinated and dry-salted anchovies. In order to maintain the organoleptic properties of the product, the freezing of fish prior to processing is often ignored, especially in households, and traditional processing methods are not sufficient to kill Anisakis larvae. In this study, we investigated the survival and resistance of Anisakis spp. larvae in different processing solutions including varying salt and sugar content, lemon juice, acetic acid, alcohol, wine, and apple vinegar. We also performed a viability test of larvae during processing in anchovy fillets. When exposed directly to different NaCl concentrations, larvae were killed after approximately three days in the strongest (35%) and 10 days in the weakest solution (5%). In lemon juice and lemon juice with added acetic acid, the survival of larvae was around 5 days. In intact alcohol vinegar, larvae were killed under less than 48 h, while in the solution with water their resistance was prolonged to almost 40 days. In fillets, larvae showed increased resistance during carpaccio and white wine vinegar marinades and only dry salting was effective in destroying Anisakis spp. larvae.
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spelling doaj.art-f4ba5765048e4e9493dc20a4036b86aa2022-12-21T19:11:41ZengMDPI AGFishes2410-38882019-03-014119010.3390/fishes4010019fishes4010019Viability of Anisakis spp. Larvae After Direct Exposure to Different Processing Media and Non-Thermal Processing in Anchovy FilletsVida Šimat0Željka Trumbić1University Department of Marine Studies, University of Split, Ruđera Boškovića 37, 21000 Split, CroatiaUniversity Department of Marine Studies, University of Split, Ruđera Boškovića 37, 21000 Split, CroatiaAnisakiasis is fish-borne zoonoses caused by nematodes of the genus Anisakis, contracted by the ingestion of live L3 infective larvae through consumption of raw, undercooked or thermally unprocessed seafood products, such as carpaccio, and white marinated and dry-salted anchovies. In order to maintain the organoleptic properties of the product, the freezing of fish prior to processing is often ignored, especially in households, and traditional processing methods are not sufficient to kill Anisakis larvae. In this study, we investigated the survival and resistance of Anisakis spp. larvae in different processing solutions including varying salt and sugar content, lemon juice, acetic acid, alcohol, wine, and apple vinegar. We also performed a viability test of larvae during processing in anchovy fillets. When exposed directly to different NaCl concentrations, larvae were killed after approximately three days in the strongest (35%) and 10 days in the weakest solution (5%). In lemon juice and lemon juice with added acetic acid, the survival of larvae was around 5 days. In intact alcohol vinegar, larvae were killed under less than 48 h, while in the solution with water their resistance was prolonged to almost 40 days. In fillets, larvae showed increased resistance during carpaccio and white wine vinegar marinades and only dry salting was effective in destroying Anisakis spp. larvae.http://www.mdpi.com/2410-3888/4/1/19Anisakis spp.viabilityEngraulis encrasicoluscarpacciomarinadedried saltinglemon juicesugar
spellingShingle Vida Šimat
Željka Trumbić
Viability of Anisakis spp. Larvae After Direct Exposure to Different Processing Media and Non-Thermal Processing in Anchovy Fillets
Fishes
Anisakis spp.
viability
Engraulis encrasicolus
carpaccio
marinade
dried salting
lemon juice
sugar
title Viability of Anisakis spp. Larvae After Direct Exposure to Different Processing Media and Non-Thermal Processing in Anchovy Fillets
title_full Viability of Anisakis spp. Larvae After Direct Exposure to Different Processing Media and Non-Thermal Processing in Anchovy Fillets
title_fullStr Viability of Anisakis spp. Larvae After Direct Exposure to Different Processing Media and Non-Thermal Processing in Anchovy Fillets
title_full_unstemmed Viability of Anisakis spp. Larvae After Direct Exposure to Different Processing Media and Non-Thermal Processing in Anchovy Fillets
title_short Viability of Anisakis spp. Larvae After Direct Exposure to Different Processing Media and Non-Thermal Processing in Anchovy Fillets
title_sort viability of anisakis spp larvae after direct exposure to different processing media and non thermal processing in anchovy fillets
topic Anisakis spp.
viability
Engraulis encrasicolus
carpaccio
marinade
dried salting
lemon juice
sugar
url http://www.mdpi.com/2410-3888/4/1/19
work_keys_str_mv AT vidasimat viabilityofanisakisspplarvaeafterdirectexposuretodifferentprocessingmediaandnonthermalprocessinginanchovyfillets
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