Occurrence of selected pathogenic microorganisms in raw and processed eggs of snails of the  genus

This study investigated the eggs of Polish-bred edible snails of the Cornu genus as a food and aimed to determine the presence of microorganisms in them of the Salmonella and Listeria genera and ascertain the number of coagulase-positive staphylococci.

Material and Methods

Raw material, semi-finished products, and the final product were collected during the production cycle. Testing for the presence of Salmonella spp. and Listeria spp. and measuring of the pathogenic staphylococci contamination level were carried out in accordance with ISO standards. Commercial biochemical tests were used for species identification of bacteria of the Enterobacteriaceae family and Staphylococcus genus. An API kit and a PCR protocol were utilised for species confirmation of the microorganisms of the Listeria genus.

Results

Neither Salmonella nor coagulase-positive staphylococci were found in any of the studied material. Bacteria of the Listeria genus were found in samples taken at every stage of production; however L. monocytogenes was confirmed in samples of the final product.

Conclusion

The absence of Salmonella spp. and Staphylococcus aureus in samples of the final product indicates that the required hygiene standard was maintained in the production process of edible snail eggs. Nevertheless, the presence of L. monocytogenes in eggs of common garden snails may pose a potential risk to consumer health.

eISSN:: 2450-8608
Language:: English

Publication timeframe:: 4 times per year
Journal Subjects:: Life Sciences, Molecular Biology, Microbiology and Virology, other, Medicine, Veterinary Medicine

Journal RSS Feed

Occurrence of selected pathogenic microorganisms in raw and processed eggs of snails of the Cornu genus

Article Category: Review article

Published Online: Dec 20, 2021

Page range: 463 - 467

Received: Jul 12, 2021

Accepted: Dec 06, 2021

DOI: https://doi.org/10.2478/jvetres-2021-0060

Keywordssnail eggs, spp., spp., coagulase-positive staphylococci

© 2021 M. Maćkowiak-Dryka et al. published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Introduction

Material and Methods

Results

Conclusion

Keywords
snail eggs, spp., spp., coagulase-positive staphylococci