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Preliminary study on the inactivation of anisakid larvae in baccalà prepared according to traditional methods

Giorgio Smaldone, Raffaele Marrone, Giuseppe Palma, Paolo Sarnelli, Aniello Anastasio
  • Giorgio Smaldone
    Department of Veterinary Medicine and Animal Production, University of Naples Federico II; Assoittica Italia, Rome, Italy
  • Raffaele Marrone
    Department of Veterinary Medicine and Animal Production, University of Naples Federico II, Italy | raffaele.marrone@unina.it
  • Giuseppe Palma
    Regional Reference Centre for Fishery Health Security, Campania Region, Naples, Italy
  • Paolo Sarnelli
    Assoittica Italia, Rome, Italy
  • Aniello Anastasio
    Department of Veterinary Medicine and Animal Production, University of Naples Federico II; Assoittica Italia, Rome, Italy

Abstract

EFSA stated that many traditional marinating and cold smoking methods are not sufficient to kill A. simplex and asked to evaluate alternative treatments for killing viable parasites in fishery. Baccalà is a well-liked traditional product. The aim of study was to evaluate the effectiveness of the salting process on the inactivation of nematodes of the genus Anisakis in naturally infected Baccalà fillets. N. 19 fillets, subjected to a dual salting process (brine and dry salting) were analyzed. Visual inspection and chloropeptic digestion were performed. Larvae viability was evaluated, and parameters such as NaCl (%), moisture (%), WPS and aw were determined. In n. 17 samples parasites were found 123 parasites with a mean intensity of 7.23±4.78 and an mean abundance of 6.47±5.05. Visual examination has revealed 109 parasites. 61.8% of larvae were found in the ventral portions. The results show that salting process with a salt concentration of 18.6%, aw values of 0.7514 and 24.15% WPS in all parts of baccalà fillets, devitalise Anisakidae larvae in a 15-day period.

Keywords

Anisakis; EFSA; Baccalà

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Submitted: 2017-07-28 16:54:25
Published: 2017-11-10 08:42:08
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Copyright (c) 2017 Giorgio Smaldone, Raffaele Marrone, Giuseppe Palma, Paolo Sarnelli, Aniello Anastasio

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