Post-harvest Processing (PHP) methods are viable food processing methods employed to reduce human pathogens in molluscan shellfish that would normally be consumed raw, such as raw oysters on the half-shell. Efficacy of human pathogen reduction associated with PHP varies with respect to time, temperature, salinity, pressure, and process exposure. Regulatory requirements and PHP molluscan shellfish quality implications are major considerations for PHP usage. Food safety impacts associated with PHP of molluscan shellfish vary in their efficacy and may have synergistic outcomes when combined. Further research for many PHP methods are necessary and emerging PHP methods that result in minimal quality loss and effective human pathogen reduction should be explored.
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http://dx.doi.org/10.3390/foods5020029 | DOI Listing |
Sci Rep
November 2024
School of Molecular and Life Sciences, Faculty of Science and Engineering, Curtin University, Bentley, 6102, Australia.
Molluscan shellfish aquaculture contributes to 42.6% of global aquaculture production. With a continued increase in shellfish production, disposal of shell waste during processing is emerging as an environmental and financial concern.
View Article and Find Full Text PDFJ Food Prot
November 2024
Institute of Environmental Science and Research Limited (ESR), Enteric, Environmental and Food Virology Laboratory, Porirua, New Zealand. Electronic address:
Norovirus is the predominant cause of viral gastroenteritis globally with foodborne outbreaks commonly reported. Filter-feeding bivalve molluscan shellfish can become contaminated with norovirus when grown in waters impacted by inadequately treated effluent wastewater, overflows, or other human fecal sources. Contaminated shellfish pose a significant risk to consumers, because combined with a low norovirus infectious dose, oysters and mussels are often eaten raw or lightly cooked resulting in no or minimal virus inactivation, respectively.
View Article and Find Full Text PDFG3 (Bethesda)
September 2024
Faculty of Science and Technology, Vancouver Island University, Nanaimo, BC V9R 5S5, Canada.
Maintaining genetic diversity in cultured shellfish can be challenging due to high variance in individual reproductive success, founder effects, and rapid genetic drift, but is important to retain adaptive potential and avoid inbreeding depression. To support broodstock management and selective breeding in cultured Pacific oysters (Crassostrea (Magallana) gigas), we developed an amplicon panel targeting 592 genomic regions and SNP variants with an average of 50 amplicons per chromosome. Target SNPs were selected based on elevated observed heterozygosity or differentiation in Pacific oyster populations in British Columbia, Canada.
View Article and Find Full Text PDFFish Shellfish Immunol
June 2024
Fisheries College of Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China.
Fish Shellfish Immunol
June 2024
School of Agriculture, Ludong University, Yantai, 264025, China. Electronic address:
The JAK (Janus kinase)-STAT (Signal transducer and activator of transcription) is a well-known functional signaling pathway that plays a key role in several important biological activities such as apoptosis, cell proliferation, differentiation, and immunity. However, limited studies have explored the functions of STAT genes in invertebrates. In the present study, the gene sequences of two STAT genes from the Pacific oyster (Crassostrea gigas), termed CgSTAT-Like-1 (CgSTAT-L1) and CgSTAT-Like-2 (CgSTAT-L2), were obtained using polymerase chain reaction (PCR) amplification and cloning.
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