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Geographic and host size variations as indicators of Anisakis pegreffii infection in European pilchard (Sardina pilchardus) from the Mediterranean Sea: Food safety implications (CROSBI ID 244913)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Bušelić, Ivana ; Botić, Antonela ; Hrabar, Jerko ; Stagličić, Nika ; Cipriani, Paolo ; Mattiucci, Simonetta ; Mladineo, Ivona Geographic and host size variations as indicators of Anisakis pegreffii infection in European pilchard (Sardina pilchardus) from the Mediterranean Sea: Food safety implications // International journal of food microbiology, 266 (2018), 126-132. doi: 10.1016/j.ijfoodmicro.2017.11.021

Podaci o odgovornosti

Bušelić, Ivana ; Botić, Antonela ; Hrabar, Jerko ; Stagličić, Nika ; Cipriani, Paolo ; Mattiucci, Simonetta ; Mladineo, Ivona

engleski

Geographic and host size variations as indicators of Anisakis pegreffii infection in European pilchard (Sardina pilchardus) from the Mediterranean Sea: Food safety implications

European pilchards are traditionally eaten marinated or salted in the Mediterranean countries often without thermal processing or gutting due to small size. Since ingestion of live third stage Anisakis larvae represents a causing agent in the onset of anisakiasis, the aim of our study was to assess prevalence and intensity of Anisakis infection in European pilchards originating from different Mediterranean regions in a three-year sampling period (2013–2015). A total of 1564 specimens of European pilchard collected from two geographically distinct sampling regions (western Mediterranean and Adriatic Sea) were examined using the UV-Press method, which utilises the fluorescence of frozen anisakids in flattened and subsequently frozen fillets and viscera. A subsample of 67 isolated larvae was identified as A. pegreffii by diagnostic allozyme markers and sequence analyses of the mtDNA cox2 locus. The overall prevalence in pilchards was 12.2% (range 0–44.9% for different sampling points) and mean intensity 1.8. More importantly, we have observed an overall larval prevalence of 1.5% in fillets. The highest prevalence (44.9%) was recorded in pilchards caught in western parts of the Mediterranean. As fish host size was a significant predictor of parasite abundance, it should be highlighted that these pilchards were also the largest (mean total length 173.2 mm) ; on average > 2 cm larger than the rest of the samples. Other isolated nematode species included Hysterothylacium sp. in viscera, showing almost a double of A. pegreffii prevalence, 20.1%. In summary, our study demonstrates that the presence of A. pegreffii in European pilchards from the Mediterranean Sea is highly influenced by both geographic and host size variation. This implies that, before future risk management measures are developed, these variables should be assessed in order to minimize public health concerns.

Western Mediterranean Sea ; Adriatic Sea ; European pilchards ; Anisakidae ; Hysterothylacium sp.

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Podaci o izdanju

266

2018.

126-132

objavljeno

0168-1605

1879-3460

10.1016/j.ijfoodmicro.2017.11.021

Povezanost rada

Biologija, Veterinarska medicina, Biotehnologija u biomedicini (prirodno područje, biomedicina i zdravstvo, biotehničko područje)

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