Microbiological and chemical analysis of land snails commercialised in Sicily

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Antonello Cicero
Giuseppe Giangrosso
Gaetano Cammilleri
Andrea Macaluso
Vittoria Currò
Lucia Galuppo
Daniela Vargetto
Domenico Vicari
Vincenzo Ferrantelli *
(*) Corresponding Author:
Vincenzo Ferrantelli | vincenzo.ferrantelli@izssicilia.it


In this study 160 samples of snails belonging to the species Helix aspersa maxima and Helix aspersa muller were examined for chemical and microbiological analysis. Samples came from Greece and Poland. Results showed mean concentration of cadmium (0.35±0.036 mg/kg) and lead (0.05±0.013 mg/kg) much higher than the limit of detection. Mercury levels in both species were not detected. Microbiological analysis revealed the absence of Salmonella spp. and Clostridium spp. in both examined species. E. coli and K. oxytoca were observed in Helix aspersa maxima and Helix aspersa muller. Furthermore, one case of fungi positivity in samples of Helix aspersa muller was found. The reported investigations highlight the need to create and adopt a reference legislation to protect the health of consumers.

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