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Articles

Effect of Trisodium Phosphate or Water Dip on the Survival of Salmonella and Listeria monocytogenes Inoculated Catfish Before and After Freezing

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Pages 39-47 | Published online: 23 Jan 2012
 

Abstract

Salmonella and Listeria monocytogenes (LM) are occasional contaminants on raw fish. Catfish fillets were artificially contaminated with LM and Salmonella, dipped in a 1.5 % (30 min) trisodium phosphate solution (TSP), and cryogenically frozen. After 3 months frozen storage, Salmonella (2 log), but not LM, was inactivated on the fillets treated with the dip. This indicates that TSP dip followed by cryogenic freezing can be used to control Salmonella, but not LM, on catfish fillets.

Acknowledgments

Mention of trade names or commercial products in this publication is solely for the purpose of providing specific information and does not imply recommendation or endorsement by the U.S. Department of Agriculture.

The authors would like to thank Jennifer Cassidy for her technical assistance and Brian Bosworth for providing the catfish.

Notes

This article not subject to U.S. copyright law.

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