Microbiological quality of frozen raw and cooked shrimps |
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| Affiliation: | 1. Institute of Biotechnology, College of Bioscience and Biotechnology, National Cheng Kung University, Tainan 701, Taiwan;2. Department of Life Sciences, College of Bioscience and Biotechnology, National Cheng Kung University, Tainan 701, Taiwan;3. Institute of Bioinformatics and Biosignal Transduction, College of Bioscience and Biotechnology, National Cheng Kung University, Tainan 701, Taiwan;4. Consolidated Research Institute for Advanced Science and Medical Care, Waseda University, Shinjuku-ku, Tokyo, Japan;1. Emergency Department, Christchurch Hospital, Christchurch, New Zealand;2. Lipid and Diabetes Research Group, Christchurch, New Zealand;3. Canterbury Health Laboratories, Christchurch, New Zealand;4. University of Otago, Christchurch, New Zealand;5. Cardiology Department, Christchurch Hospital, Christchurch, New Zealand;6. Department of Emergency Medicine, Royal Brisbane and Women''s Hospital, Brisbane, Australia;7. School of Medicine, The University of Queensland, Brisbane, Australia;8. School of Public Health, The Queensland University of Technology, Brisbane, Australia |
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| Abstract: | The microbiological quality of frozen raw and cooked shrimps destined for import and export was determined. The total number of frozen shrimp samples tested were 657 comprising 54 (FW) freshwater shell-on, 29 freshwater peeled deveined, 123 seawater (SW) shell-on, 410 seawater peeled deveined, and 41 seawater cooked. The geometric means for APC g−1, coliform counts (MPN g−1) and E. coli counts (MPN g−1) were, respectively, FW shell-on, 890 000, 82 and 14; FW peeled deveined, 430 000, 16 and 5; SW shell-on, 310 000, 10 and 3; SW peeled deveined, 410 000, 9 and 3 and seawater cooked 7000, 4 and 3. 653 (99%) of the samples had S. aureus counts of less than 50 MPN g−1. Shigella and Vibrio cholerae were not detected and Salmonella was positive for 3 (0·5%) of the 657 samples tested. |
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