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Ramos-Pereira J, Mareze J, Fernández D, Rios EA, Santos JA, López-Díaz TM. Antifungal activity of lactic acid bacteria isolated from milk against Penicillium commune, P. nordicum, and P. verrucosum. Int J Food Microbiol 2021; 355:109331. [PMID: 34364061 DOI: 10.1016/j.ijfoodmicro.2021.109331] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 07/07/2021] [Accepted: 07/16/2021] [Indexed: 10/20/2022]
Abstract
Penicillium spp. is considered a major spoilage fungus of cheeses. The use of lactic acid bacteria (LAB) with antifungal activity is an interesting possibility of biopreservation. In this study, the isolation and characterization of anti-Penicillium LAB from milk was carried out. Ninety-three milk samples were analysed and a total of 57 strains of LAB active against P. nordicum were isolated, mainly from goat and cow milk. Thirty-four isolates with strong activity were selected and identified, Lacticaseibacillus casei (11), L. paracasei (9) and L. rhamnosus (5) being the dominant species. The antifungal spectrum of these 34 LAB against strains of P. commune and P. verrucosum was investigated. L. casei, L. paracasei and L. rhamnosus were the most active and P. nordicum was the most susceptible fungus. Two isolates (L. casei Lc-51/3 and L. paracasei Lp-25/1) with high antifungal activity showed a moderate to high reduction on the growth of Penicillium nordicum and, in a lesser extent, of P. commune, and also a reducing effect on the ochratoxin A and cyclopiazonic acid production. In addition, these isolates demonstrated activity against several food pahogens. These findings indicate their suitability for the development of protective adjunct starters against spoilage and toxigenic microorganisms in cheese processing.
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Affiliation(s)
- Juliana Ramos-Pereira
- Department of Food Hygiene and Food Technology, Veterinary Faculty, Universidad de León, Campus de Vegazana s/n, 24071 León, Spain
| | - Juliana Mareze
- Department of Food Hygiene and Food Technology, Veterinary Faculty, Universidad de León, Campus de Vegazana s/n, 24071 León, Spain; Laboratório de Inspeção de Produtos de Origem Animal - LIPOA, Universidade Estadual de Londrina, Brazil
| | - Domingo Fernández
- Institute of Food Science and Technology, Universidad de León, La Serna 58, 24007 León, Spain
| | - Edson A Rios
- Department of Food Hygiene and Food Technology, Veterinary Faculty, Universidad de León, Campus de Vegazana s/n, 24071 León, Spain
| | - Jesús A Santos
- Department of Food Hygiene and Food Technology, Veterinary Faculty, Universidad de León, Campus de Vegazana s/n, 24071 León, Spain; Institute of Food Science and Technology, Universidad de León, La Serna 58, 24007 León, Spain
| | - Teresa-María López-Díaz
- Department of Food Hygiene and Food Technology, Veterinary Faculty, Universidad de León, Campus de Vegazana s/n, 24071 León, Spain; Institute of Food Science and Technology, Universidad de León, La Serna 58, 24007 León, Spain.
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Wang Z, Cai R, Gao Z, Yuan Y, Yue T. Immunomagnetic separation: An effective pretreatment technology for isolation and enrichment in food microorganisms detection. Compr Rev Food Sci Food Saf 2020; 19:3802-3824. [PMID: 33337037 DOI: 10.1111/1541-4337.12656] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 09/17/2020] [Accepted: 09/24/2020] [Indexed: 12/24/2022]
Abstract
The high efficiency and accurate detection of foodborne pathogens and spoilage microorganisms in food are a task of great social, economic, and public health importance. However, the contamination levels of target bacteria in food samples are very low. Owing to the background interference of food ingredients and negative impact of nontarget flora, the establishment of efficient pretreatment techniques is very crucial for the detection of food microorganisms. With the significant advantages of high specificity and great separation efficiency, immunomagnetic separation (IMS) assay based on immunomagnetic particles (IMPs) has been considered as a powerful system for the separation and enrichment of target bacteria. This paper mainly focuses on the development of IMS as well as their application in food microorganisms detection. First, the basic principle of IMS in the concentration of food bacteria is presented. Second, the effect of different factors, including the sizes of magnetic particles (MPs), immobilization of antibody and operation parameters (the molar ratio of antibody to MPs, the amount of IMPs, incubation time, and bacteria concentration) on the immunocapture efficiency of IMPs are discussed. The performance of IMPs in different food samples is also evaluated. Finally, the combination of IMS and various kinds of detection methods (immunology-based methods, nucleic acid-based methods, fluorescence methods, and biosensors) to detect pathogenic and spoilage organisms is summarized. The challenges and future trends of IMS are also proposed. As an effective pretreatment technique, IMS can improve the detection sensitivity and shorten their testing time, thus exhibiting broad prospect in the field of food bacteria detection.
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Affiliation(s)
- Zhouli Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, China.,Laboratory of Quality & Safety Risk Assessment for Agro-products (YangLing), Ministry of Agriculture, Yangling, Shaanxi, China.,National Engineering Research Center of Agriculture Integration Test (Yangling), Yangling, Shaanxi, China
| | - Rui Cai
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, China.,Laboratory of Quality & Safety Risk Assessment for Agro-products (YangLing), Ministry of Agriculture, Yangling, Shaanxi, China.,National Engineering Research Center of Agriculture Integration Test (Yangling), Yangling, Shaanxi, China
| | - Zhenpeng Gao
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, China.,Laboratory of Quality & Safety Risk Assessment for Agro-products (YangLing), Ministry of Agriculture, Yangling, Shaanxi, China.,National Engineering Research Center of Agriculture Integration Test (Yangling), Yangling, Shaanxi, China
| | - Yahong Yuan
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, China.,Laboratory of Quality & Safety Risk Assessment for Agro-products (YangLing), Ministry of Agriculture, Yangling, Shaanxi, China.,National Engineering Research Center of Agriculture Integration Test (Yangling), Yangling, Shaanxi, China
| | - Tianli Yue
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, China.,Laboratory of Quality & Safety Risk Assessment for Agro-products (YangLing), Ministry of Agriculture, Yangling, Shaanxi, China.,National Engineering Research Center of Agriculture Integration Test (Yangling), Yangling, Shaanxi, China
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Almeida TTD, Andretta M, Ferreira LR, Carvalho AFD, Nero LA. The complex microbiota of artisanal cheeses interferes in the performance of enumeration protocols for lactic acid bacteria and staphylococci. Int Dairy J 2020. [DOI: 10.1016/j.idairyj.2020.104791] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Performance of two alternative methods for Listeria detection throughout Serro Minas cheese ripening. Braz J Microbiol 2016; 47:749-56. [PMID: 27268116 PMCID: PMC4927643 DOI: 10.1016/j.bjm.2016.04.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2015] [Accepted: 01/04/2016] [Indexed: 12/02/2022] Open
Abstract
The ability of pathogens to survive cheese ripening is a food-security concern. Therefore, this study aimed to evaluate the performance of two alternative methods of analysis of Listeria during the ripening of artisanal Minas cheese. These methods were tested and compared with the conventional method: Lateral Flow System™, in cheeses produced on laboratory scale using raw milk collected from different farms and inoculated with Listeria innocua; and VIDAS®-LMO, in cheese samples collected from different manufacturers in Serro, Minas Gerais, Brazil. These samples were also characterized in terms of lactic acid bacteria, coliforms and physical–chemical analysis. In the inoculated samples, L. innocua was detected by Lateral Flow System™ method with 33% false-negative and 68% accuracy results. L. innocua was only detected in the inoculated samples by the conventional method at 60-days of cheese ripening. L. monocytogenes was not detected by the conventional and the VIDAS®-LMO methods in cheese samples collected from different manufacturers, which impairs evaluating the performance of this alternative method. We concluded that the conventional method provided a better recovery of L. innocua throughout cheese ripening, being able to detect L. innocua at 60-day, aging period which is required by the current legislation.
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Cavicchioli V, Scatamburlo T, Yamazi A, Pieri F, Nero L. Occurrence of Salmonella, Listeria monocytogenes, and enterotoxigenic Staphylococcus in goat milk from small and medium-sized farms located in Minas Gerais State, Brazil. J Dairy Sci 2015; 98:8386-90. [DOI: 10.3168/jds.2015-9733] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2015] [Accepted: 06/26/2015] [Indexed: 11/19/2022]
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Wang Y, Salazar JK. Culture-Independent Rapid Detection Methods for Bacterial Pathogens and Toxins in Food Matrices. Compr Rev Food Sci Food Saf 2015; 15:183-205. [DOI: 10.1111/1541-4337.12175] [Citation(s) in RCA: 161] [Impact Index Per Article: 17.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2015] [Accepted: 09/14/2015] [Indexed: 11/29/2022]
Affiliation(s)
- Yun Wang
- Div. of Food Processing Science and Technology; U.S. Food and Drug Administration; Bedford Park IL U.S.A
| | - Joelle K. Salazar
- Div. of Food Processing Science and Technology; U.S. Food and Drug Administration; Bedford Park IL U.S.A
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D'Amico DJ, Druart MJ, Donnelly CW. Comparing the behavior of multidrug-resistant and pansusceptible Salmonella during the production and aging of a Gouda cheese manufactured from raw milk. J Food Prot 2014; 77:903-13. [PMID: 24853511 DOI: 10.4315/0362-028x.jfp-13-515] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Outbreaks of salmonellosis have been linked to the consumption of cheese, and emerging multidrug-resistant (MDR) strains of Salmonella may be more virulent and more tolerant than less resistant strains to stresses encountered in food production, which may enhance the survival of these resistant strains in cheese. This study was conducted to compare the behavior of MDR and pansusceptible Salmonella strains during the manufacture and aging of Gouda cheese and compare pathogen recovery via several rapid and traditional methods. Cheeses were manufactured from raw milk inoculated with a six-strain cocktail of either MDR or susceptible Salmonella Newport and Salmonella Typhimurium at initial levels of <20 CFU/ml. Samples of milk, whey, curd, and finished cheese were analyzed using eight enrichment and detection protocols. Overall, changes in pathogen levels observed throughout manufacture and aging did not differ significantly between MDR and susceptible Salmonella strains. Salmonella counts increased significantly during manufacture to a mean of 734 CFU/g on day 1 followed by a significant decrease over 60 days of aging to <1 CFU/g. Although levels fell and stayed below the direct plating detection limit of $ 5 CFU/g after 54 days on average, viable cells remained detectable after enrichment for an average of 210 ± 40 days. The International Organization for Standardization methods with and without PCR detection provided the most accurate results, and the remaining methods, notably those with selective primary incubation, produced results that disagreed significantly with the true result. Overall, our findings suggest that MDR Salmonella strains may not pose a greater threat to cheese safety than do non-MDR Salmonella strains.
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Affiliation(s)
- Dennis J D'Amico
- Department of Animal Science, University of Connecticut, 3636 Horsebarn Hill Road, Storrs, Connecticut 06269, USA.
| | - Marc J Druart
- Emmi Roth USA, Inc., 645 Bartlett Hill Road, Berlin, Vermont 05602, USA
| | - Catherine W Donnelly
- Department of Nutrition and Food Sciences, University of Vermont, 109 Carrigan Drive, Bington, Vermont 05405, USA
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Habib FE, Ennaji MM, Ouardi AE, Senouci S. Listeria monocytogenes in Food Matrix: Frequency and Effect of Antagonist Microbial. ACTA ACUST UNITED AC 2014. [DOI: 10.3923/pjn.2014.141.145] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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9
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Giacometti F, Bonilauri P, Serraino A, Peli A, Amatiste S, Arrigoni N, Bianchi M, Bilei S, Cascone G, Comin D, Daminelli P, Decastelli L, Fustini M, Mion R, Petruzzelli A, Rosmini R, Rugna G, Tamba M, Tonucci F, Bolzoni G. Four-year monitoring of foodborne pathogens in raw milk sold by vending machines in Italy. J Food Prot 2013; 76:1902-7. [PMID: 24215694 DOI: 10.4315/0362-028x.jfp-13-213] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Prevalence data were collected from official microbiological records monitoring four selected foodborne pathogens (Salmonella, Listeria monocytogenes, Escherichia coli O157:H7, and Campylobacter jejuni) in raw milk sold by self-service vending machines in seven Italian regions (60,907 samples from 1,239 vending machines) from 2008 to 2011. Data from samples analyzed by both culture-based and real-time PCR methods were collected in one region. One hundred raw milk consumers in four regions were interviewed while purchasing raw milk from vending machines. One hundred seventy-eight of 60,907 samples were positive for one of the four foodborne pathogens investigated: 18 samples were positive for Salmonella, 83 for L. monocytogenes, 24 for E. coli O157:H7, and 53 for C. jejuni in the seven regions investigated. No significant differences in prevalence were found among regions, but a significant increase in C. jejuni prevalence was observed over the years of the study. A comparison of the two analysis methods revealed that real-time PCR was 2.71 to 9.40 times more sensitive than the culture-based method. Data on consumer habits revealed that some behaviors may enhance the risk of infection linked to raw milk consumption: 37% of consumers did not boil milk before consumption, 93% never used an insulated bag to transport raw milk home, and raw milk was consumed by children younger than 5 years of age. These results emphasize that end-product controls alone are not sufficient to guarantee an adequate level of consumer protection. The beta distribution of positive samples in this study and the data on raw milk consumer habits will be useful for the development of a national quantitative risk assessment of Salmonella, L. monocytogenes, E. coli O157, and C. jejuni infection associated with raw milk consumption.
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Affiliation(s)
- Federica Giacometti
- Department of Veterinary Medical Sciences, University of Bologna, Via Tolara di Sopra 50, 40064 Ozzano Emilia, Bologna, Italy
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Matias B, Pinto P, Cossi M, Silva Jr. A, Vanetti M, Nero L. Evaluation of a polymerase chain reaction protocol for the detection of Salmonella species directly from superficial samples of chicken carcasses and preenrichment broth. Poult Sci 2010; 89:1524-9. [DOI: 10.3382/ps.2009-00368] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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