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Hdaifeh A, Khalid T, Boué G, Cummins E, Guillou S, Federighi M, Tesson V. Critical Analysis of Pork QMRA Focusing on Slaughterhouses: Lessons from the Past and Future Trends. Foods 2020; 9:E1704. [PMID: 33233782 PMCID: PMC7699970 DOI: 10.3390/foods9111704] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 11/09/2020] [Accepted: 11/18/2020] [Indexed: 01/27/2023] Open
Abstract
Foodborne microbial diseases have a significant impact on public health, leading to millions of human illnesses each year worldwide. Pork is one of the most consumed meat in Europe but may also be a major source of pathogens introduced all along the farm-to-fork chain. Several quantitative microbial risk assessment (QMRA) have been developed to assess human health risks associated with pork consumption and to evaluate the efficiency of different risk reduction strategies. The present critical analysis aims to review pork QMRA. An exhaustive search was conducted following the preferred reporting items for systematic reviews and meta-analyses (PRISMA) methodology. It resulted in identification of a collection of 2489 papers including 42 on QMRA, after screening. Among them, a total of 29 studies focused on Salmonella spp. with clear concern on impacts at the slaughterhouse, modeling the spreading of contaminations and growth at critical stages along with potential reductions. Along with strict compliance with good hygiene practices, several potential risk mitigation pathways were highlighted for each slaughterhouse step. The slaughterhouse has a key role to play to ensure food safety of pork-based products but consideration of the whole farm-to-fork chain is necessary to enable better control of bacteria. This review provides an analysis of pork meat QMRA, to facilitate their reuse, and identify gaps to guide future research activities.
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Affiliation(s)
- Ammar Hdaifeh
- INRAE, Oniris, SECALIM, 44307 Nantes, France; (A.H.); (T.K.); (G.B.); (S.G.); (V.T.)
| | - Tahreem Khalid
- INRAE, Oniris, SECALIM, 44307 Nantes, France; (A.H.); (T.K.); (G.B.); (S.G.); (V.T.)
| | - Géraldine Boué
- INRAE, Oniris, SECALIM, 44307 Nantes, France; (A.H.); (T.K.); (G.B.); (S.G.); (V.T.)
| | - Enda Cummins
- Biosystems and Food Engineering, University College Dublin, Dublin 4 Belfield, Ireland;
| | - Sandrine Guillou
- INRAE, Oniris, SECALIM, 44307 Nantes, France; (A.H.); (T.K.); (G.B.); (S.G.); (V.T.)
| | - Michel Federighi
- INRAE, Oniris, SECALIM, 44307 Nantes, France; (A.H.); (T.K.); (G.B.); (S.G.); (V.T.)
| | - Vincent Tesson
- INRAE, Oniris, SECALIM, 44307 Nantes, France; (A.H.); (T.K.); (G.B.); (S.G.); (V.T.)
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Cherifi T, Arsenault J, Pagotto F, Quessy S, Côté JC, Neira K, Fournaise S, Bekal S, Fravalo P. Distribution, diversity and persistence of Listeria monocytogenes in swine slaughterhouses and their association with food and human listeriosis strains. PLoS One 2020; 15:e0236807. [PMID: 32760141 PMCID: PMC7410256 DOI: 10.1371/journal.pone.0236807] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Accepted: 07/13/2020] [Indexed: 02/05/2023] Open
Abstract
Listeria monocytogenes is the etiological agent of listeriosis, a major foodborne disease and an important public health concern. Contamination of meat with L. monocytogenes occurs frequently at the slaughterhouse. Our aims were; 1) to investigate the distribution of L. monocytogenes in the processing areas of four swine slaughterhouses; 2) to describe the diversity of L. monocytogenes strains by pulsed-field gel electrophoresis; 3) to identify persistent L. monocytogenes strains and describe their distribution; 4) to investigate the associations between persistence of strains and their following characteristics: detection in food isolates, detection in human clinical isolates, and the presence of benzalkonium chloride (BAC) resistance genes. Various operation areas within the four swine slaughterhouses were sampled on four occasions. A total of 2496 samples were analyzed, and L. monocytogenes was successfully isolated from 243 samples. The proportion of positive samples ranged from 32 to 58% in each slaughterhouse and from 24 to 68% in each operation area. Fifty-eight different pulsotypes were identified and eight pulsotypes, present in samples collected during 4 visits, were considered persistent. The persistent pulsotypes were significantly more likely to be detected in food (P < 0.01, exact χ²) and human clinical cases (P < 0.01, exact χ²), respectively. Among pulsotypes harboring the BAC bcrABC resistance cassette or the emrE multidrug transporter gene, 42.8% were persistent compared to 4.5% for pulsotypes without these resistance genes (P < 0.01, exact χ²). Our study highlights the importance of persistent L. monocytogenes strains in the environmental contamination of slaughterhouses, which may lead to repeated contamination of meat products. It also shows that the presence of disinfectants resistance genes is an important contributing factor.
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Affiliation(s)
- Tamazight Cherifi
- Chaire de recherche en salubrité des viandes, Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, Quebec, Canada
- Centre de recherche en infectiologie porcine et avicole (CRIPA-FQRNT), Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, Quebec, Canada
- Groupe de recherche et d’enseignement en salubrité des aliments (GRESA), Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, Quebec, Canada
- * E-mail: (TC); (PF)
| | - Julie Arsenault
- Centre de recherche en infectiologie porcine et avicole (CRIPA-FQRNT), Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, Quebec, Canada
- Epidemiology of Zoonoses and Public Health Research Unit (GREZOSP), Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, Quebec, Canada
| | - Franco Pagotto
- Listeriosis Reference Service, Microbiology Research Division, Bureau of Microbial Hazards, Food Directorate, Health Products and Food Branch, Health Canada, Ottawa, Ontario, Canada
| | - Sylvain Quessy
- Chaire de recherche en salubrité des viandes, Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, Quebec, Canada
- Groupe de recherche et d’enseignement en salubrité des aliments (GRESA), Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, Quebec, Canada
| | - Jean-Charles Côté
- Chaire de recherche en salubrité des viandes, Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, Quebec, Canada
- Groupe de recherche et d’enseignement en salubrité des aliments (GRESA), Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, Quebec, Canada
| | - Kersti Neira
- Chaire de recherche en salubrité des viandes, Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, Quebec, Canada
- Centre de recherche en infectiologie porcine et avicole (CRIPA-FQRNT), Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, Quebec, Canada
- Groupe de recherche et d’enseignement en salubrité des aliments (GRESA), Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, Quebec, Canada
| | | | - Sadjia Bekal
- Laboratoire de santé publique du Québec, Sainte-Anne-de-Bellevue, Quebec, Canada
| | - Philippe Fravalo
- Chaire de recherche en salubrité des viandes, Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, Quebec, Canada
- Centre de recherche en infectiologie porcine et avicole (CRIPA-FQRNT), Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, Quebec, Canada
- Epidemiology of Zoonoses and Public Health Research Unit (GREZOSP), Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, Quebec, Canada
- * E-mail: (TC); (PF)
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Wang Y, Li X, Lu Y, Wang J, Suo B. Synergistic effect of cinnamaldehyde on the thermal inactivation of Listeria monocytogenes in ground pork. FOOD SCI TECHNOL INT 2019; 26:28-37. [PMID: 31399018 DOI: 10.1177/1082013219867190] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The aim of this study was to statistically evaluate the effect of a naturally food-derived cinnamaldehyde on the thermal inactivation of Listeria monocytogenes in ground pork. This study combined four concentrations of cinnamaldehyde (0, 0.1, 0.5, and 1.0% vol/wt) and four temperatures (55, 60, 65, and 70 ℃) to predict the thermal inactivation curves of L. monocytogenes. The Weibull model successfully described the primary thermal inactivation using the Integrated Pathogen Modeling Program. These results statistically proposed that the cinnamaldehyde supplementation in ground pork attenuates the thermo-tolerance of L. monocytogenes. The time for achieving a 5-log10 reduction of L. monocytogenes declined from 28.14 to 17.35 min at 55 ℃ when the ground pork sample was supplemented by 1% cinnamaldehyde, while the time declined from 1.95 to 0.34 min at 70 ℃. Thereafter, based on the 5.0-log10 lethality, secondary models were fitted by a selected polynomial model. The transmission electron microscopy revealed that cinnamaldehyde causes serious damage to membrane integrity and increases the occurrence of cell membrane rupture and leakage of cytoplasmic content under thermal treatment. Our model represents a mathematical tool that will help meat-product manufacturers to improve the efficacy of thermal processing ground pork supplemented with cinnamaldehyde.
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Affiliation(s)
- Yuexia Wang
- College of Life Sciences, Henan Agricultural University, Zhengzhou, China
| | - Xiaoyan Li
- College of Life Sciences, Henan Agricultural University, Zhengzhou, China
| | - Yangliu Lu
- College of Food Science and Technology, Henan Agricultural University, Zhengzhou, China
| | - Jianan Wang
- College of Life Sciences, Henan Agricultural University, Zhengzhou, China
| | - Biao Suo
- College of Food Science and Technology, Henan Agricultural University, Zhengzhou, China
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