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Latoch A, Czarniecka-Skubina E, Moczkowska-Wyrwisz M. Marinades Based on Natural Ingredients as a Way to Improve the Quality and Shelf Life of Meat: A Review. Foods 2023; 12:3638. [PMID: 37835291 PMCID: PMC10572579 DOI: 10.3390/foods12193638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Revised: 09/28/2023] [Accepted: 09/28/2023] [Indexed: 10/15/2023] Open
Abstract
Marinating is a traditional method of improving the quality of meat, but it has been modified in response to consumer demand for "clean label" products. The aim of this review is to present scientific literature on the natural ingredients contained in marinades, the parameters of the marinating process, and certain mechanisms that bring about changes in meat. A review was carried out of publications from 2000 to 2023 available in Web of Science on the natural ingredients of meat marinades: fruit and vegetables, seasonings, fermented dairy products, wine, and beer. The review showed that natural marinades improve the sensory quality of meat and its culinary properties; they also extend its shelf life. They affect the safety of meat products by limiting the oxidation of fats and proteins. They also reduce biogenic amines and the formation of heterocyclic aromatic amines (HAAs) and polycyclic aromatic hydrocarbons (PAHs). This is possible due to the presence of biologically active substances and competitive microflora from dairy products. However, some marinades, especially those that are acidic, cause a slightly acidic flavour and an unfavourable colour change. Natural compounds in the ingredients of marinades are accepted by consumers. There are no results in the literature on the impact of natural marinades on the nutritional value and health-promoting potential of meat products, so it can be assumed that this is a future direction for scientific research.
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Affiliation(s)
- Agnieszka Latoch
- Department of Animal Food Technology, University of Life Sciences in Lublin, 8 Skromna St., 20-704 Lublin, Poland;
| | - Ewa Czarniecka-Skubina
- Department of Food Gastronomy and Food Hygiene, Institute of Human Nutrition Sciences, Warsaw University of Life Sciences (WULS), 166 Nowoursynowska St., 02-787 Warsaw, Poland;
| | - Małgorzata Moczkowska-Wyrwisz
- Department of Food Gastronomy and Food Hygiene, Institute of Human Nutrition Sciences, Warsaw University of Life Sciences (WULS), 166 Nowoursynowska St., 02-787 Warsaw, Poland;
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Tarifa MC, Agustín MDR, Brugnoni LI. Biological control of foodborne pathogens by lactic acid bacteria: A focus on juice processing industries. Rev Argent Microbiol 2023; 55:378-386. [PMID: 37302907 DOI: 10.1016/j.ram.2023.04.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 02/14/2023] [Accepted: 04/27/2023] [Indexed: 06/13/2023] Open
Abstract
The use of lactic acid bacteria (LAB) in foods as biocontrol agents against foodborne pathogens has become increasingly known. Under the premise that controlling the adhesion of microorganisms to food contact surfaces is an essential step for meeting the goals of food processing, the aim of this work was to investigate the inhibitory and anti-biofilm effectiveness of Lactobacillus rhamnosus GG (ATCC 53103) and Lactobacillus casei (ATCC 393) against Escherichia coli O157:H7, Salmonella enterica and Listeria monocytogenes. Lactobacillus strains (108CFU/ml) and pathogens (104CFU/ml) were evaluated to monitor LAB anti-adhesive and antibiofilm effect, in two main scenarios: (i) co-adhesion and (ii) pathogen incorporation to stainless steel surfaces with a protective biofilm of Lactobacillus cells. In (i) the predominant effect was observed in L. rhamnosus against S. enterica and L. monocytogenes, whereas in (ii) both LAB significantly reduced the number of pathogenic adherent cells. The effect of pre-established LAB biofilms was more successful in displacing the three pathogens than when they were evaluated under co-adhesion. These findings show that both LAB can be considered good candidates to prevent or inhibit the adhesion and colonization of L. monocytogenes, S. enterica and E. coli O157:H7 on surfaces and conditions of relevance for juice processing industries, offering alternatives for improving the safety and quality of fruit-based products.
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Affiliation(s)
- María Clara Tarifa
- Universidad Nacional de Río Negro, CIT Río Negro, Río Negro, Argentina; Centro de Investigaciones y Transferencia de Río Negro, CIT Río Negro (UNRN-CONICET), 8336 Villa Regina, Argentina
| | - María Del Rosario Agustín
- Instituto de Ciencias Biológicas y Biomédicas del Sur, INBIOSUR (CONICET-UNS), 8000 Bahía Blanca, Argentina; Departamento de Biología, Bioquímica y Farmacia, Universidad Nacional del Sur (UNS), Argentina
| | - Lorena Inés Brugnoni
- Instituto de Ciencias Biológicas y Biomédicas del Sur, INBIOSUR (CONICET-UNS), 8000 Bahía Blanca, Argentina; Departamento de Biología, Bioquímica y Farmacia, Universidad Nacional del Sur (UNS), Argentina.
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Influence of Hurdle Technology on Foodborne Pathogen Survival in the Human Gastrointestinal Tract. Microorganisms 2023; 11:microorganisms11020405. [PMID: 36838370 PMCID: PMC9960521 DOI: 10.3390/microorganisms11020405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 01/30/2023] [Accepted: 02/01/2023] [Indexed: 02/08/2023] Open
Abstract
The application of several sublethal stresses in hurdle technology can exert microbial stress resistance, which, in turn, might enable foodborne pathogens to overcome other types of lethal stresses, such as the gastrointestinal barriers. The present study evaluated the survival of Salmonella Typhimurium and Listeria monocytogenes during simulated digestion, following exposure to combinations of water activity (aw), pH and storage temperature stresses. The results revealed that both pathogens survived their passage through the simulated gastrointestinal tract (GIT) with their previous habituation to certain hurdle combinations inducing stress tolerance. More specifically, the habituation to a low temperature or to a high pH resulted in the increased stress tolerance of Salmonella, while for Listeria, the cells appeared stress tolerant after exposure to a high temperature or to a low pH. Nonetheless, both pathogens expressed increased sensitivity after habituation to growth-limiting hurdle combinations. The survival of stress-tolerant pathogenic cells in the human GIT poses major public health issues, since it can lead to host infection. Consequently, further research is required to obtain a deeper understanding of the adaptive stress responses of foodborne bacteria after exposure to combinations of sublethal hurdles to improve the existing food safety systems.
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Effect of gastric pH and bile acids on the survival of Listeria monocytogenes and Salmonella Typhimurium during simulated gastrointestinal digestion. INNOV FOOD SCI EMERG 2022. [DOI: 10.1016/j.ifset.2022.103161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Antimicrobial Activity of Selected Red and White Wines against Escherichia coli: In Vitro Inhibition Using Fish as Food Matrix. Foods 2020; 9:foods9070936. [PMID: 32679896 PMCID: PMC7404564 DOI: 10.3390/foods9070936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 07/08/2020] [Accepted: 07/14/2020] [Indexed: 11/17/2022] Open
Abstract
Five different wines (standard Graševina, macerated Graševina with and without sulfur, rosé, and standard Plavac Mali), all typical Croatian wines, were tested to determine the antimicrobial activity against two Escherichia coli bacterial strains (ATCC® 25922 and ATCC® 8739) in vitro and using sea bass (Dicentrarchus labrax) fillets as food matrix. The chemical composition of wines (pH, acidity, alcohol, total phenolics, anthocyanins, tannins, and sulfur content) and antimicrobial activity (minimal inhibitory concentration (MIC), agar-well diffusion method) were determined. The total phenolic content of the wines ranged from 305-3210 mg gallic acid equivalents per liter (GAE/L), and did not correlate to antimicrobial activity. The two wines with the lowest phenolic content (standard Graševina and rosé) had the lowest MIC values (122 and 429 mg GAE/L). A specific relation between the winemaking process and a particular MIC value was not established. There was also no relation found between the pH value, ethanol content, sulfur, or phenolics in regards to the antimicrobial effect. In fish fillets marinated in wine + water mixture (v/v = 1:1) and inoculated with 7 log colony forming units (CFU)/25 g the growth of bacteria was reduced after three days of storage at 4 °C. Subsequent storage resulted in the growth of bacteria in all samples, with the lowest growth of E. coli ATCC® 25922 in macerated Graševina and E. coli ATCC® 8739 in standard Graševina. All wines showed the capacity to reduce the number and growth of heavily infected sea bass filets, but correlation with specific wine constituents was not found. Taking into account the numerous reactive mechanisms between food and wine, all in vitro studies in controlled laboratory conditions should be further verified in the relevant environment, and additional research is needed to clarify the role of individual wine components in the mechanism of antimicrobial activity.
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Jamir L, Kumar V, Gat Y, Kumar A, Kaur S. Wine: a potential source of antimicrobial compounds. ACTA ACUST UNITED AC 2019. [DOI: 10.1080/09571264.2019.1652151] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Lemnaro Jamir
- School of Biotechnology and Biosciences, Lovely Professional University, Phagwara, Punjab, India
| | - Vikas Kumar
- Food Technology and Nutrition, School of Agriculture, Lovely Professional University, Phagwara, Punjab, India
| | - Yogesh Gat
- Food Technology and Nutrition, School of Agriculture, Lovely Professional University, Phagwara, Punjab, India
| | - Ashwani Kumar
- Food Technology and Nutrition, School of Agriculture, Lovely Professional University, Phagwara, Punjab, India
| | - Sawinder Kaur
- Food Technology and Nutrition, School of Agriculture, Lovely Professional University, Phagwara, Punjab, India
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Vasilijević B, Mitić-Ćulafić D, Djekic I, Marković T, Knežević-Vukčević J, Tomasevic I, Velebit B, Nikolić B. Antibacterial effect of Juniperus communis and Satureja montana essential oils against Listeria monocytogenes in vitro and in wine marinated beef. Food Control 2019. [DOI: 10.1016/j.foodcont.2019.01.025] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Acid-happy: Survival and recovery of enteropathogenic Escherichia coli (EPEC) in simulated gastric fluid. Microb Pathog 2019; 128:396-404. [PMID: 30660737 DOI: 10.1016/j.micpath.2019.01.022] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Revised: 12/14/2018] [Accepted: 01/16/2019] [Indexed: 02/06/2023]
Abstract
BACKGROUND Gastric fluid pH serves an important function as an ecological filter to kill unwanted microbial taxa that would otherwise colonise the intestines, thereby shaping the diversity and composition of microbial communities found in the gut. The typical American-based diet causes the gastric pH to increase to pH 4 to 5, and it takes ∼2 h to return to pH 1.5 (normal). This window of increased gastric pH may allow potential pathogens to negotiate the hostile environment of the stomach. Another factor to consider is that in developing countries many people experience hypochlorhydria related to malnutrition and various gastric diseases. Enteropathogenic E. coli (EPEC) is a leading cause of infantile diarrhoea and has a high incidence in the developing world. The aim of this study was to assess the survival and recovery of non-acid adapted EPEC exposed to simulated gastric fluid (SGF) over a period of 180 min. RESULTS EPEC were grown in nutrient-rich medium and acid challenged in SGF at pH 1.5, 2.5, 3.5 and 4.5. Culturability was evaluated using a standard plate count method, and metabolic viability was assessed via cellular energy (adenosine triphosphate [ATP] assay) and respiratory activity (3-bis(2-methyloxy-4-nitro-5-sulfophenyl)-5-[(phenylamino)carbonyl]-2H-tetrazolium hydroxide [XTT] assay), and recovery and proliferation by means of optical density in liquid cultures. Sampling was performed at 0, 30, 60, 120, and 180 min post-SGF exposure. The results of this study showed that EPEC is remarkably acid resistant and was able to survive a simulated gastric environment for up to 3 h (180 min) at various pH (1.5, 2.5, 3.5, and 4.5). EPEC was culturable at all pH (1.5, 2.5, 3.5 and 4.5) at the higher inoculum size of 5.4-7.1 × 106 CFU/ml, and at all pH except pH 1.5 at the lower inoculums of 5.4-7.1 × 103 CFU/ml or 5.4-7.1 × 101 CFU/ml. The organism remained metabolically viable at pH 1.5, 2.5, 3.5, and 4.5 and was able to recover and proliferate once placed in a neutral, nutrient-rich environment. CONCLUSION In this study, EPEC demonstrated remarkable acid resistance and recovery at low pH without prior acid adaptation, which could prove to be problematic even in healthy people. In individuals with decreased gastric acidity, there is a higher probability of pathogen colonization and a resulting change in the gut microbiome. The results highlight the potential increase of food- and waterborne diseases in persons with compromised gastric function, or who are malnourished or immunocompromised. The data herein may possibly help in calculating more precisely the risk associated with consuming bacterial contaminated food and water in these individuals.
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Broad-spectrum of antimicrobial properties of commercial wines from different Vitis vinifera L. varieties. World J Microbiol Biotechnol 2016; 33:18. [PMID: 27905092 DOI: 10.1007/s11274-016-2183-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2016] [Accepted: 11/24/2016] [Indexed: 12/27/2022]
Abstract
Fifteen commercial wines produced from international and autochthonic varieties of Vitis vinifera L. cultivation of different Balkan winegrowing subregions were studied for their antimicrobial activity against six Gram-positive (Clostridium perfringens, Bacillus subtilis, Staphylococcus aureus, Listeria inocua, Sarcina lutea and Micrococcus flavus) and six Gram-negative (Escherichia coli, Pseudomonas aeruginosa, Salmonella enteritidis, Shigella sonnei, Klebsiella pneumonia and Proteus vulgaris) bacteria. The concentrations and types of phenolic compounds responsible for antibacterial activity in wines were investigated by HPLC and spectroscopic methods. The correlation between amounts of phenolics and antibacterial activities of investigated wines were studied by application of statistical (PCA, factor and cluster) analyses. This study gives the possibility to predict the biological quality of the wine from the same cluster towards bacteria without "wet" analysis. Obtained results can to be useful both to wine producers for the formation of market price of wine, and to wine consumers in choosing quality red wine with high content of polyphenols.
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Jarriyawattanachaikul W, Chaveerach P, Chokesajjawatee N. Antimicrobial Activity of Thai-herbal Plants against Food-borne Pathogens E. Coli, S. Aureus and C. Jejuni. ACTA ACUST UNITED AC 2016. [DOI: 10.1016/j.aaspro.2016.12.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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11
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Brenes A, Viveros A, Chamorro S, Arija I. Use of polyphenol-rich grape by-products in monogastric nutrition. A review. Anim Feed Sci Technol 2016. [DOI: 10.1016/j.anifeedsci.2015.09.016] [Citation(s) in RCA: 169] [Impact Index Per Article: 21.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Patterson JA, Ricke SC. Effect of ethanol and methanol on growth of ruminal bacteria Selenomonas ruminantium and Butyrivibrio fibrisolvens. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART. B, PESTICIDES, FOOD CONTAMINANTS, AND AGRICULTURAL WASTES 2015; 50:62-67. [PMID: 25421629 DOI: 10.1080/03601234.2015.965639] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
The effect of ethanol and methanol on growth of several ruminal bacterial strains was examined. Ethanol concentrations as low as 0.2% had a significant, but moderate, inhibitory effect on lag time or growth over time and 3.3% ethanol significantly inhibited maximum optical density obtained by both Selenomonas ruminantium and Butyrivibrio fibrisolvens. Little growth of either strain occurred at 10% ethanol concentrations. Methanol concentrations below 0.5% had little effect on either growth or maximum optical density of Selenomonas ruminantium whereas methanol concentrations below 3.3% had little effect on growth or maximum optical density of Butyrivibrio fibrisolvens. Higher methanol concentrations increasingly inhibited growth of both strains and no growth occurred at a 10% methanol concentration. Concentrations of ethanol or methanol used to add hydrophobic compounds to culture media should be kept below 1%.
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Affiliation(s)
- J A Patterson
- a Department of Animal Sciences , Purdue University , West Lafayette , Indiana , USA
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Xu C, Yagiz Y, Hsu WY, Simonne A, Lu J, Marshall MR. Antioxidant, antibacterial, and antibiofilm properties of polyphenols from muscadine grape (Vitis rotundifolia Michx.) pomace against selected foodborne pathogens. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2014; 62:6640-6649. [PMID: 24865879 DOI: 10.1021/jf501073q] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Polyphenols are predominantly secondary metabolites in muscadine grapes, playing an important role in the species' strong resistance to pests and diseases. This study examined the above property by evaluating the antioxidant, antibacterial, and antibiofilm activities of muscadine polyphenols against selected foodborne pathogens. Results showed that antioxidant activity for different polyphenols varied greatly, ranging from 5 to 11.1 mmol Trolox/g. Antioxidant and antibacterial activities for polyphenols showed a positive correlation. Muscadine polyphenols exhibited a broad spectrum of antibacterial activity against tested foodborne pathogens, especially Staphylococcus aureus (MIC = 67-152 mg/L). Muscadine polyphenols at 4 × MIC caused nearly a 5 log10 CFU/mL drop in cell viability for S. aureus in 6 h with lysis, whereas at 0.5 × MIC they inhibited its biofilm formation and at 16 × MIC they eradicated biofilms. Muscadine polyphenols showed synergy with antibiotics and maximally caused a 6.2 log10 CFU/mL drop in cell viability at subinhibitory concentration.
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Affiliation(s)
- Changmou Xu
- Department of Food Science and Human Nutrition and ‡Department of Family, Youth and Community Sciences, University of Florida , Gainesville, Florida 32611, United States
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Effect of wine-based marinades on the behavior of Salmonella Typhimurium and background flora in beef fillets. Int J Food Microbiol 2013; 164:119-27. [DOI: 10.1016/j.ijfoodmicro.2013.04.008] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2012] [Revised: 04/08/2013] [Accepted: 04/14/2013] [Indexed: 01/29/2023]
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Vaz M, Hogg T, Couto JA. The antimicrobial effect of wine on Bacillus cereus in simulated gastro-intestinal conditions. Food Control 2012. [DOI: 10.1016/j.foodcont.2012.05.034] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Charimba G, Hugo C, Hugo A. The incidence of diarrhoeagenic Escherichia coli in minced beef and boerewors. Food Res Int 2012. [DOI: 10.1016/j.foodres.2011.08.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Birk T, Kristensen K, Harboe A, Hansen TB, Ingmer H, De Jonge R, Takumi K, Aabo S. Dietary proteins extend the survival of Salmonella Dublin in a gastric acid environment. J Food Prot 2012; 75:353-8. [PMID: 22289597 DOI: 10.4315/0362-028x.jfp-11-132] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The pH of the human stomach is dynamic and changes over time, depending on the composition of the food ingested and a number of host-related factors such as age. To evaluate the number of bacteria surviving the gastric acid barrier, we have developed a simple gastric acid model, in which we mimicked the dynamic pH changes in the human stomach. In the present study, model gastric fluid was set up to imitate pH dynamics in the stomachs of young and elderly people after ingestion of a standard meal. To model a serious foodborne pathogen, we followed the survival of Salmonella enterica serotype Dublin, and found that the addition of proteins such as pepsin, ovalbumin, and blended turkey meat to the simple gastric acid model significantly delayed pathogen inactivation compared with the control, for which no proteins were added. In contrast, no delay in inactivation was observed in the presence of bovine serum albumin, indicating that protection could be protein specific. The simple gastric acid model was validated against a more laborious and complex fermenter model, and similar survival of Salmonella Dublin was observed in both models. Our gastric acid model allowed us to evaluate the influence of food components on survival of pathogens under gastric conditions, and the model could contribute to a broader understanding of the impact of specific food components on the inactivation of pathogens during gastric passage.
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Affiliation(s)
- Tina Birk
- National Food Institute, Technical University of Denmark, Mørkhøj Bygade 19, 2860 Søborg, Denmark
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Tenore GC, Basile A, Novellino E. Antioxidant and Antimicrobial Properties of Polyphenolic Fractions from Selected Moroccan Red Wines. J Food Sci 2011; 76:C1342-8. [DOI: 10.1111/j.1750-3841.2011.02426.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Isohanni P, Alter T, Saris P, Lyhs U. Wines as possible meat marinade ingredients possess antimicrobial potential against Campylobacter. Poult Sci 2010; 89:2704-10. [DOI: 10.3382/ps.2009-00521] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Fikselová M, Kačániová M, Mellen M. Antioxidant (antiradical) and antimicrobial (antifungal) efects of Slovak Tokaj wines. ACTA ALIMENTARIA 2010. [DOI: 10.1556/aalim.39.2010.3.2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Differential expression of virulence and stress fitness genes between Escherichia coli O157:H7 strains with clinical or bovine-biased genotypes. Appl Environ Microbiol 2009; 76:60-8. [PMID: 19880650 DOI: 10.1128/aem.01666-09] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Escherichia coli O157:H7 strains can be classified into different genotypes based on the presence of specific Shiga toxin-encoding bacteriophage insertion sites. Certain O157:H7 genotypes predominate among human clinical cases (clinical genotypes), while others are more frequently found in bovines (bovine-biased genotypes). To determine whether inherent differences in gene expression explain the variation in infectivity of these genotypes, we compared the expression patterns of clinical genotype 1 strains with those of bovine-biased genotype 5 strains using microarrays. Important O157:H7 virulence factors, including locus of enterocyte effacement genes, the enterohemolysin, and several pO157 genes, showed increased expression in the clinical versus bovine-biased genotypes. In contrast, genes essential for acid resistance (e.g., gadA, gadB, and gadC) and stress fitness were upregulated in bovine-biased genotype 5 strains. Increased expression of acid resistance genes was confirmed functionally using a model stomach assay, in which strains of bovine-biased genotype 5 had a 2-fold-higher survival rate than strains of clinical genotype 1. Overall, these results suggest that the increased prevalence of O157:H7 illness caused by clinical genotype 1 strains is due in part to the overexpression of key virulence genes. The bovine-biased genotype 5 strains, however, are more resistant to adverse environmental conditions, a characteristic that likely facilitates O157:H7 colonization of bovines.
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Kim T, Silva J, Jung Y. Antibacterial activity of fresh and processed red muscadine juice and the role of their polar compounds onEscherichia coliO157:H7. J Appl Microbiol 2009; 107:533-9. [DOI: 10.1111/j.1365-2672.2009.04239.x] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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25
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Gañan M, Martínez-Rodríguez AJ, Carrascosa AV. Antimicrobial activity of phenolic compounds of wine against Campylobacter jejuni. Food Control 2009. [DOI: 10.1016/j.foodcont.2008.09.012] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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26
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Király-Véghely Z, Móricz ÁM, Ott PG, Kátay G, Bélai I, Tyihák E. Comparison of Components from Red and White Wines for Antimicrobial Activity by Biodetection after OPLC Separation. J LIQ CHROMATOGR R T 2009. [DOI: 10.1080/10826070902854417] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
| | - Ágnes M. Móricz
- a Plant Protection Institute, Hungarian Academy of Sciences , Budapest, Hungary
| | - Péter G. Ott
- a Plant Protection Institute, Hungarian Academy of Sciences , Budapest, Hungary
| | - György Kátay
- a Plant Protection Institute, Hungarian Academy of Sciences , Budapest, Hungary
| | - Iván Bélai
- a Plant Protection Institute, Hungarian Academy of Sciences , Budapest, Hungary
| | - Ernő Tyihák
- a Plant Protection Institute, Hungarian Academy of Sciences , Budapest, Hungary
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Birk T, Knøchel S. Fate of food-associated bacteria in pork as affected by marinade, temperature, and ultrasound. J Food Prot 2009; 72:549-55. [PMID: 19343943 DOI: 10.4315/0362-028x-72.3.549] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The aim of this study was to test the effect of ultrasound, red wine, and yogurt marination on Brochotrix thermosphacta, Carnobacterium maltaromaticum, Listeria monocytogenes, and Campylobacter jejuni on pork meat. Two different marination procedures of the pork medallions were tested: (i) submersion of meat medallions in red wine during the entire experiment and (ii) vacuum packaging of meat medallions after different forms of marination. In the submersion procedure, the meat was either submerged in 42 degrees C red wine for 15 min prior to storage at 4 degrees C or submerged in 4 degrees C red wine during the entire experiment. In the vacuum procedure, the meat was either submerged in 4 degrees C red wine for 4 h or submerged in 42 degrees C red wine for 15 min prior to vacuum packaging and storage at 4 degrees C. The most efficient antimicrobial procedure was submersion of the pork meat in 42 degrees C red wine for 15 min and subsequent storage at 4 degrees C, still submerged in red wine. After 3 days, C. maltaromaticum, L. monocytogenes, B. thermosphacta, and C. jejuni were reduced approximately 1.5, 2, 3, and 6 log, respectively. The remarkable acid sensitivity of C. jejuni compared with the other bacteria was confirmed in an experiment with yogurt as a marinade. Ultrasound treatment in combination with red wine enhanced the antibacterial effect compared with ultrasound alone for L. monocytogenes, B. thermosphacta, and C. jejuni and resulted in approximately a 1-log reduction after 10 min. This synergistic effect of ultrasound and red wine was not observed for C. maltaromaticum.
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Affiliation(s)
- Tina Birk
- Department of Food Science, Faculty of Life Sciences, Copenhagen University, Rolighedsvej 30, 1958 Frederiksberg C, Denmark
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Abstract
Integrating laterally acquired virulence genes into the backbone regulatory network is important for the pathogenesis of Escherichia coli O157:H7, which has captured many virulence genes through horizontal transfer during evolution. GadE is an essential transcriptional activator of the glutamate decarboxylase (GAD) system, the most efficient acid resistance (AR) mechanism in E. coli. The full contribution of GadE to the AR and virulence of E. coli O157:H7 remains largely unknown. We inactivated gadE in E. coli O157:H7 Sakai and compared global transcription profiles of the mutant with that of the wild type in the exponential and stationary phases of growth. Inactivation of gadE significantly altered the expression of 60 genes independently of the growth phase and of 122 genes in a growth phase-dependent manner. Inactivation of gadE markedly downregulated the expression of gadA, gadB, and gadC and of many acid fitness island genes. Nineteen genes encoded on the locus of enterocyte effacement (LEE), including ler, showed a significant increase in expression upon gadE inactivation. Inactivation of ler in the DeltagadE strain reversed the effect of gadE deletion on LEE expression, indicating that Ler is necessary for LEE repression by GadE. GadE is also involved in downregulation of LEE expression under conditions of moderately acidic pH. Characterization of AR of the DeltagadE strain revealed that GadE is indispensable for a functional GAD system and for survival of E. coli O157:H7 in a simulated gastric environment. Altogether, these data indicate that GadE is critical for the AR of E. coli O157:H7 and that it plays an important role in virulence by downregulating expression of LEE.
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Kim TJ, Weng WL, Stojanovic J, Lu Y, Jung YS, Silva JL. Antimicrobial effect of water-soluble muscadine seed extracts on Escherichia coli O157:H7. J Food Prot 2008; 71:1465-8. [PMID: 18680948 DOI: 10.4315/0362-028x-71.7.1465] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Water-soluble extracts were prepared from purple (cultivar Ison) and bronze (cultivar Carlos) muscadine seeds with or without heating. The Ison extracts had strong antimicrobial activity against a cocktail of three strains of Escherichia coli O157: H7. This extract had higher acidity (pH 3.39 to 3.43), total phenolics (2.21 to 3.49 mg/ml), tartaric acid (5.6 to 10.7 mg/ml), tannic acid (5.7 to 8.1 mg/ml), and gallic acid (0.33 to 0.59 mg/ml) than did the Carlos extracts. Heat treatment on both extracts increased antimicrobial activity, possibly because of increased acidity, tartaric acid, total phenolics, and individual phenolics. Heating of Ison extracts increased ellagic acid up to 83%. Up to 10.7 mg/ml tartaric acid alone was not as effective against E. coli O157:H7 as were water-soluble seed extracts. This finding suggests the involvement of other factors, such as tannic and gallic acids, in inactivation of this pathogen. Water-soluble muscadine seed extracts may be useful for incorporation into juice and other beverage products as natural preservatives.
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Affiliation(s)
- T J Kim
- Department of Food Science, Nutrition and Health Promotion, Mississippi State University, Mississippi State, Mississippi 39762, USA.
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Fernandes J, Gomes F, Couto JA, Hogg T. The antimicrobial effect of wine on Listeria innocua in a model stomach system. Food Control 2007. [DOI: 10.1016/j.foodcont.2006.11.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Waite J, Daeschel M. Contribution of Wine Components to Inactivation of Food-Borne Pathogens. J Food Sci 2007; 72:M286-91. [DOI: 10.1111/j.1750-3841.2007.00453.x] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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Friedman M, Henika P, Levin C, Mandrell R. Recipes for Antimicrobial Wine Marinades against Bacillus cereus, Escherichia coli O157:H7, Listeria monocytogenes, and Salmonella enterica. J Food Sci 2007; 72:M207-13. [DOI: 10.1111/j.1750-3841.2007.00418.x] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Medina E, Romero C, Brenes M, De Castro A. Antimicrobial activity of olive oil, vinegar, and various beverages against foodborne pathogens. J Food Prot 2007; 70:1194-9. [PMID: 17536679 DOI: 10.4315/0362-028x-70.5.1194] [Citation(s) in RCA: 58] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
The survival of foodborne pathogens in aqueous extracts of olive oil, virgin olive oil, vinegar, and several beverages was evaluated. Vinegar and aqueous extracts of virgin olive oil showed the strongest bactericidal activity against all strains tested. Red and white wines also killed most strains after 5 min of contact, black and green tea extracts showed weak antimicrobial activity under these conditions, and no effect was observed for the remaining beverages (fruit juices, Coca-Cola, dairy products, coffee, and beer). The phenolic compound content of the aqueous olive oil and virgin olive oil extracts could explain their antibacterial activity, which was also confirmed in mayonnaises and salads used as food models. Virgin olive oil in mayonnaises and salads reduced the counts of inoculated Salmonella Enteritidis and Listeria monocytogenes by approximately 3 log CFU/g. Therefore, olive oil could be a hurdle component in certain processed foods and exert a protective effect against foodborne pathogens when contaminated foods are ingested.
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Affiliation(s)
- Eduardo Medina
- Food Biotechnology Department, Instituto de la Grasa, Avda. Padre García Tejero 4, 41012-Seville, Spain
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Friedman M, Henika PR, Levin CE, Mandrell RE. Antimicrobial Wine Formulations Active Against the Foodborne Pathogens Escherichia coli O157: H7 and Salmonella enterica. J Food Sci 2006. [DOI: 10.1111/j.1750-3841.2006.00127.x] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Abstract
The bactericidal effects of wines on Vibrio parahaemolyticus in oysters were studied to evaluate potential inactivation of V. parahaemolyticus in contaminated oysters by wine consumption. Shucked whole oyster and oyster meat homogenate were inoculated with V. parahaemolyticus and mixed with red or white wine. Survivals of V. parahaemolyticus in inoculated oysters were determined at 7 and 25 degrees C. Populations of V. parahaemolyticus in inoculated whole oysters (5.52 log most probable number [MPN] per g) decreased slightly to 4.90 log MPN/g (a 0.62-log reduction) after 24 h at 7 degrees C but increased to 7.37 log MPN/g over the same period at 25 degrees C. However, the populations in wine-treated whole oysters decreased by >1.7 and >1.9 log MPN/g after 24 h at 7 and 25 degrees C, respectively. Both red and white wines were more effective in inactivating V. parahaemolyticus in oyster meat homogenate than in whole oyster. Populations of V. parahaemolyticus in oyster meat homogenate (7.8 x 10(3) MPN/g) decreased rapidly to nondetectable levels (< 3 MPN/g) after 30 min of mixing with wine at 25 degrees C (a 3.89-log MPN/g reduction). These results suggest that chewing oysters before swallowing when eating raw oysters may result in greater inactivation of V. parahaemolyticus if wine is consumed. More studies are needed to determine the bactericidal effects of wine on V. parahaemolyticus in the complicated stomach environment.
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Affiliation(s)
- Chengchu Liu
- College of Food Science and Technology, Shanghai Fisheries University, 334 Jungong Road, Shanghai 200090, People's Republic of China
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Tamplin ML. Inactivation of Escherichia coli O157:H7 in simulated human gastric fluid. Appl Environ Microbiol 2005; 71:320-5. [PMID: 15640204 PMCID: PMC544244 DOI: 10.1128/aem.71.1.320-325.2005] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2004] [Accepted: 08/30/2004] [Indexed: 12/28/2022] Open
Abstract
Human disease caused by Escherichia coli O157:H7 is a function of the number of cells that are present at potential sites of infection and host susceptibility. Such infectious doses are a result, in part, of the quantity of cells that are ingested and that survive human host defenses, such as the low-pH environment of the stomach. To more fully understand the kinetics of E. coli O157:H7 survival in gastric fluid, individual E. coli O157:H7 strains were suspended in various media (i.e., saline, cooked ground beef [CGB], and CGB containing a commercial antacid product [CGB+A]), mixed at various proportions with simulated human gastric fluid (SGF), and then incubated at 37 degrees C for up to 4 h. The highest inactivation rate among nine E. coli O157:H7 strains was observed in saline. Specifically, the average survival rates in 100:1 and 10:1 proportions of SGF-saline were -1.344 +/- 0.564 and -0.997 +/- 0.388 log(10) CFU/h, respectively. In contrast, the average inactivation rate for 10 E. coli O157:H7 strains suspended in 10:1 SGF-CGB was -0.081 +/- 0.068, a rate that was 12-fold lower than that observed for SGF-saline. In comparison, the average inactivation rate for Shigella flexneri strain 5348 in 100:1 and 10:1 SGF-saline was -8.784 and -17.310, respectively. These latter inactivation rates were 7- to 17-fold higher than those for E. coli O157:H7 strains in SGF-saline and were 4-fold higher than those for E. coli O157:H7 strains in SGF-CGB. The survival rate of E. coli O157:H7 strain GFP80EC increased as the dose of antacid increased from one-half to twice the prescribed dose. A similar trend was observed for the matrix pH over the range of pH 1.6 to 5.7, indicating that pH is a primary factor affecting E. coli O157:H7 survival in SGF-CGB+A. These results can be used in risk assessment to define dose-response relationships for E. coli O157:H7 and to evaluate potential surrogate organisms.
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Affiliation(s)
- Mark L Tamplin
- Eastern Regional Research Center, ARS, USDA, 600 East Mermaid Ln., Wyndmoor, PA 19038, USA.
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