High Pressure Inactivation of HAV Within Mussels
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The potential of high pressure processing to inactivate hepatitis A virus (HAV) within Mediterranean mussels (Mytilus galloprovincialis) and blue mussels (Mytilus edulis) was evaluated. HAV was bioaccumulated within mussels to approximately 6-log10 PFU by exposure of mussels to HAV-contaminated seawater. After shucking, 5 min pressure treatments of 300, 325, 350, 375, and 400 MegaPascals (MPa) were performed at room temperature (18–22°C). For blue mussels, log10 PFU reductions of HAV averaged 2.1 and 3.6 for treatments of 350 and 400 MPa, while for Mediterranean mussels reductions of 1.7 and 2.9 log10 PFU MPa were observed for equivalent treatments. These results demonstrate that high pressure processing is capable of inactivating HAV within mussels.
KeywordsMussels Hepatitis A virus High pressure processing
We wish to thank Gloria Meade (USDA, Dover DE) and Valeriana Colao (University of Bari) for technical assistance. We also wish to thank Gary Richards (USDA, Dover, DE, USA) and Pina Fratamico (USDA, Wyndmoor, PA, USA) for critical review of the manuscript.
Mention of trade names or commercial products in this article is solely for the purpose of providing specific information and does not imply recommendation or endorsement by the U.S. Department of Agriculture.
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