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Abdessater M, Fayyad F, Matta J, Karam L. Assessment of prerequisite programs implementation at food packaging manufacturing companies and hygiene status of food packaging in a developing country: Cross-sectional study. Heliyon 2023; 9:e19824. [PMID: 37809534 PMCID: PMC10559196 DOI: 10.1016/j.heliyon.2023.e19824] [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: 09/17/2022] [Revised: 08/31/2023] [Accepted: 09/01/2023] [Indexed: 10/10/2023] Open
Abstract
Food packaging has a critical role in all food types and along the food chain from product preservation to transportation, distribution, storage, retailing, and end-use. However, it can become a source of contamination and transfer of microorganisms to the packed food when its hygienic status is not well maintained. The aim of this study was to evaluate the Prerequisite programs (PRPs) implementation in 5 food packaging companies across Mount Lebanon through on-site inspections and to assess the compliance of contact surfaces, employee hands and packaging materials to microbiological specifications. Following on-site inspection, none of the companies achieved a full total score of 100% and scores ranged from 25 to 62%. Regarding the assessment of hygienic status of contact surfaces, non-conforming results (acceptable limit ≤0.6 log colony forming units (CFU)/cm2) were observed in 50% (5/10) of the surfaces for total viable count (TVC). For the employee hands, none of the hand swab samples (10/10) was conforming for TVC that was present in all samples above the acceptable limit. Highest and lowest reported values were 4.4 and 1.7 log CFU/hands respectively. For packaging samples collected during on-site inspections, TVC and yeasts and molds were detected in 20% (2/10) of the samples. However, the samples collected from the retail market, had higher contamination rates of 95% (19/20) and 65% (13/20) for TVC and yeasts and molds, respectively. As for Enterobacteriaceae, it was not detected in all tested contact surfaces, employees' hands, and packaging samples. PRPs assessment and related verification activities showed the need for companies to strengthen their hygienic programs and highlighted the importance of food safety management systems (FSMS) implementation not only in food companies but also in food packaging companies. Additionally, the effectiveness of PRPs implementation should be assessed on planned routine basis.
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Affiliation(s)
- Marilyn Abdessater
- Faculty of Nursing and Health Sciences, Notre Dame University Zouk Mosbeh, Lebanon, P.O. Box: 72, Zouk Mikael, Lebanon
| | - Fady Fayyad
- Industrial Research Institute, Lebanese University Campus, Hadeth, Baabda, Lebanon
| | - Joseph Matta
- Industrial Research Institute, Lebanese University Campus, Hadeth, Baabda, Lebanon
- Department of Nutrition, Faculty of Pharmacy, Saint-Joseph University of Beirut, Medical Sciences Campus, Damascus Road, P.O.B. 11-5076, Riad Solh, Beirut, 1107 2180, Lebanon
| | - Layal Karam
- Human Nutrition Department, College of Health Sciences, QU Health, Qatar University, Doha, Qatar
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2
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Opálková Šišková A, Mosnáčková K, Musioł M, Opálek A, Bučková M, Rychter P, Eckstein Andicsová A. Electrospun Nisin-Loaded Poly(ε-caprolactone)-Based Active Food Packaging. MATERIALS 2022; 15:ma15134540. [PMID: 35806664 PMCID: PMC9267198 DOI: 10.3390/ma15134540] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 06/24/2022] [Accepted: 06/25/2022] [Indexed: 12/30/2022]
Abstract
Packaging for fresh fruits and vegetables with additional properties such as inhibition of pathogens grown can reduce food waste. With its biodegradability, poly(ε-caprolactone) (PCL) is a good candidate for packaging material, especially in the form of an electrospun membrane. The preparation of nonwoven fabric of PCL loaded with food additive, antimicrobial nisin makes them an active packaging with antispoilage properties. During the investigation of the nonwoven fabric mats, different concentrations of nisin were obtained from the solution of PCL via the electrospinning technique. The obtained active porous PCL loaded with varying concentrations of nisin inhibited the growth of Staphylococcus aureus and Escherichia coli. Packages made of PCL and PCL/nisin fibrous mats demonstrated a prolongation of the fruits’ freshness, improving their shelf life and, consequently, their safety.
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Affiliation(s)
- Alena Opálková Šišková
- Polymer Institute of Slovak Academy of Sciences, Dúbravská cesta 9, 845 41 Bratislava, Slovakia; (K.M.); (A.E.A.)
- Institute of Materials and Machine Mechanics, Slovak Academy of Sciences, Dúbravská cesta 9, 845 13 Bratislava, Slovakia;
- Correspondence:
| | - Katarína Mosnáčková
- Polymer Institute of Slovak Academy of Sciences, Dúbravská cesta 9, 845 41 Bratislava, Slovakia; (K.M.); (A.E.A.)
| | - Marta Musioł
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences, M. Curie-Skłodowska 34, 41-800 Zabrze, Poland;
| | - Andrej Opálek
- Institute of Materials and Machine Mechanics, Slovak Academy of Sciences, Dúbravská cesta 9, 845 13 Bratislava, Slovakia;
| | - Mária Bučková
- Institute of Molecular Biology, Slovak Academy of Sciences, Dúbravská cesta 9, 845 41 Bratislava, Slovakia;
| | - Piotr Rychter
- Faculty of Science and Technology, Jan Długosz University in Częstochowa, 13/15 Armii Krajowej Av., 42-200 Częstochowa, Poland;
| | - Anita Eckstein Andicsová
- Polymer Institute of Slovak Academy of Sciences, Dúbravská cesta 9, 845 41 Bratislava, Slovakia; (K.M.); (A.E.A.)
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3
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Nefzi C, Yahmadi B, Lahmar M, Ouzari H, El Guesmi N, García JM, Kamoun-Turki N, Ahmed SA. Exploration of spray pyrolysis technique in preparation of absorber material CFATS: Unprecedented hydrophilic surface and antibacterial properties. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.103894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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4
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Yang Z, Shen C, Zou Y, Wu D, Zhang H, Chen K. Application of Solution Blow Spinning for Rapid Fabrication of Gelatin/Nylon 66 Nanofibrous Film. Foods 2021; 10:2339. [PMID: 34681386 PMCID: PMC8534994 DOI: 10.3390/foods10102339] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Accepted: 09/28/2021] [Indexed: 11/16/2022] Open
Abstract
Gelatin (GA) is a natural protein widely used in food packaging, but its fabricated fibrous film has the defects of a high tendency to swell and inferior mechanical properties. In this work, a novel spinning technique, solution blow spinning (SBS), was used for the rapid fabrication of nanofiber materials; meanwhile, nylon 66 (PA66) was used to improve the mechanical properties and the ability to resist dissolution of gelatin films. Morphology observations show that GA/PA66 composite films had nano-diameter from 172.3 to 322.1 nm. Fourier transform infrared spectroscopy and X-ray indicate that GA and PA66 had strong interaction by hydrogen bonding. Mechanical tests show the elongation at break of the composite film increased substantially from 7.98% to 30.36%, and the tensile strength of the composite film increased from 0.03 MPa up to 1.42 MPa, which indicate that the composite films had the highest mechanical strength. Water vapor permeability analysis shows lower water vapor permeability of 9.93 g mm/m2 h kPa, indicates that GA/PA66 film's water vapor barrier performance was improved. Solvent resistance analysis indicates that PA66 could effectively improve the ability of GA to resist dissolution. This work indicates that SBS has great promise for rapid preparation of nanofibrous film for food packaging, and PA66 can be applied to the modification of gelatin film.
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Affiliation(s)
- Zhichao Yang
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, College of Agriculture & Biotechnology, Zhejiang University, Hangzhou 310058, China; (Z.Y.); (C.S.); (K.C.)
- The State Agriculture Ministry Laboratory of Horticultural Plant Growth, Development and Quality Improvement, College of Agriculture & Biotechnology, Zhejiang University, Hangzhou 310058, China
| | - Chaoyi Shen
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, College of Agriculture & Biotechnology, Zhejiang University, Hangzhou 310058, China; (Z.Y.); (C.S.); (K.C.)
- The State Agriculture Ministry Laboratory of Horticultural Plant Growth, Development and Quality Improvement, College of Agriculture & Biotechnology, Zhejiang University, Hangzhou 310058, China
| | - Yucheng Zou
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China; (Y.Z.); (H.Z.)
| | - Di Wu
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, College of Agriculture & Biotechnology, Zhejiang University, Hangzhou 310058, China; (Z.Y.); (C.S.); (K.C.)
- The State Agriculture Ministry Laboratory of Horticultural Plant Growth, Development and Quality Improvement, College of Agriculture & Biotechnology, Zhejiang University, Hangzhou 310058, China
- Zhongyuan Institute, Zhejiang University, Zhengzhou 450000, China
| | - Hui Zhang
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China; (Y.Z.); (H.Z.)
| | - Kunsong Chen
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, College of Agriculture & Biotechnology, Zhejiang University, Hangzhou 310058, China; (Z.Y.); (C.S.); (K.C.)
- The State Agriculture Ministry Laboratory of Horticultural Plant Growth, Development and Quality Improvement, College of Agriculture & Biotechnology, Zhejiang University, Hangzhou 310058, China
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Mondal A, Singha P, Douglass M, Estes L, Garren M, Griffin L, Kumar A, Handa H. A Synergistic New Approach Toward Enhanced Antibacterial Efficacy via Antimicrobial Peptide Immobilization on a Nitric Oxide-Releasing Surface. ACS APPLIED MATERIALS & INTERFACES 2021; 13:43892-43903. [PMID: 34516076 DOI: 10.1021/acsami.1c08921] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Despite technological advancement, nosocomial infections are prevalent due to the rise of antibiotic resistance. A combinatorial approach with multimechanistic antibacterial activity is desired for an effective antibacterial medical device surface strategy. In this study, an antimicrobial peptide, nisin, is immobilized onto biomimetic nitric oxide (NO)-releasing medical-grade silicone rubber (SR) via mussel-inspired polydopamine (PDA) as a bonding agent to reduce the risk of infection. Immobilization of nisin on NO-releasing SR (SR-SNAP-Nisin) and the surface characteristics were characterized by Fourier transform infrared spectroscopy and scanning electron microscopy with energy-dispersive X-ray spectroscopy and contact angle measurements. The NO release profile (7 days) and diffusion of SNAP from SR-SNAP-Nisin were quantified using chemiluminescence-based nitric oxide analyzers and UV-vis spectroscopy, respectively. Nisin quantification showed a greater affinity of nisin immobilization toward SNAP-doped SR. Matrix-assisted laser desorption/ionization mass spectrometry analysis on surface nisin leaching for 120 h under physiological conditions demonstrated the stability of nisin immobilization on PDA coatings. SR-SNAP-Nisin shows versatile in vitro anti-infection efficacy against Gram-negative Escherichia coli and Gram-positive Staphylococcus aureus in the planktonic and adhered states. Furthermore, the combination of NO and nisin has a superior ability to impair biofilm formation on polymer surfaces. SR-SNAP-Nisin leachates did not elicit cytotoxicity toward mouse fibroblast cells and human umbilical vein endothelial cells, indicating the biocompatibility of the material in vitro. The preventative and therapeutic potential of SR-SNAP-Nisin dictated by two bioactive agents may offer a promising antibacterial surface strategy.
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Affiliation(s)
- Arnab Mondal
- School of Chemical, Materials, and Biomedical Engineering, College of Engineering, University of Georgia, Athens, Georgia 30602, United States
| | - Priyadarshini Singha
- School of Chemical, Materials, and Biomedical Engineering, College of Engineering, University of Georgia, Athens, Georgia 30602, United States
| | - Megan Douglass
- School of Chemical, Materials, and Biomedical Engineering, College of Engineering, University of Georgia, Athens, Georgia 30602, United States
| | - Lori Estes
- School of Chemical, Materials, and Biomedical Engineering, College of Engineering, University of Georgia, Athens, Georgia 30602, United States
| | - Mark Garren
- School of Chemical, Materials, and Biomedical Engineering, College of Engineering, University of Georgia, Athens, Georgia 30602, United States
| | - Lauren Griffin
- School of Chemical, Materials, and Biomedical Engineering, College of Engineering, University of Georgia, Athens, Georgia 30602, United States
| | - Anil Kumar
- School of Chemical, Materials, and Biomedical Engineering, College of Engineering, University of Georgia, Athens, Georgia 30602, United States
| | - Hitesh Handa
- School of Chemical, Materials, and Biomedical Engineering, College of Engineering, University of Georgia, Athens, Georgia 30602, United States
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6
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Effective adsorption of nisin on the surface of polystyrene using hydrophobin HGFI. Int J Biol Macromol 2021; 173:399-408. [PMID: 33454334 DOI: 10.1016/j.ijbiomac.2021.01.052] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 12/25/2020] [Accepted: 01/08/2021] [Indexed: 11/24/2022]
Abstract
Herein, a new method was demonstrated for effective immobilization of the antibacterial peptide nisin on Grifola frondosa hydrophobin (HGFI), without the need of any additional complex reaction. Hydrophobin can self-assemble as a monolayer to form continuous negative-charged surfaces with enhanced wettability and biocompatibility. Adding nisin solution to such hydrophobin surface created antibacterial surfaces. The quantification analysis revealed that more nisin could be adsorbed on the HGFI-coated than to control polystyrene surfaces at different pH values. This suggested that electronic attraction and wettability may play important roles in this process. The transmission electron microscopy, atomic force microscopy and fourier transform infrared (FTIR) analysis indicated the adsorption mode of nisin on the HGFI film, i.e., hydrophobins served as an adhesive layer for binding charged peptides to interfaces. The antibacterial activity of the treated surface was investigated via counting, a nucleic acid release test, scanning electron microscopy, and biofilm detection. These results indicated the excellent antibacterial activity of nisin adsorbed on the HGFI-coated surfaces. The activity retention of adsorbed nisin was demonstrated by immersing the modified substrates in a flowed liquid condition.
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7
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Ibarra-Sánchez LA, El-Haddad N, Mahmoud D, Miller MJ, Karam L. Invited review: Advances in nisin use for preservation of dairy products. J Dairy Sci 2020; 103:2041-2052. [PMID: 31928749 DOI: 10.3168/jds.2019-17498] [Citation(s) in RCA: 68] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Accepted: 11/11/2019] [Indexed: 12/23/2022]
Abstract
Dairy product safety is a global public health issue that demands new approaches and technologies to control foodborne pathogenic microorganisms. Natural antimicrobial agents such as nisin can be added to control the growth of pathogens of concern in dairy foods, namely Listeria monocytogenes and Staphylococcus aureus. However, several factors affect the antimicrobial efficacy of nisin when directly added into the food matrix such as lack of stability at neutral pH, interaction with fat globules, casein, and divalent cations. To overcome these limitations, new and advanced strategies are discussed including nisin encapsulation technology, addition to active packaging, bioengineering, and combination with other antimicrobials. This review highlights advanced technologies with potential to expand and improve the use of nisin as a dairy preservative.
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Affiliation(s)
- Luis A Ibarra-Sánchez
- Department of Food Science and Human Nutrition, University of Illinois, Urbana 61801
| | - Nancy El-Haddad
- Department of Nursing and Health Sciences, Faculty of Nursing and Health Sciences, Notre Dame University-Louaize, Zouk Mosbeh, Lebanon PO Box: 72, Zouk Mikael, Lebanon
| | - Darine Mahmoud
- Department of Nursing and Health Sciences, Faculty of Nursing and Health Sciences, Notre Dame University-Louaize, Zouk Mosbeh, Lebanon PO Box: 72, Zouk Mikael, Lebanon
| | - Michael J Miller
- Department of Food Science and Human Nutrition, University of Illinois, Urbana 61801
| | - Layal Karam
- Department of Nursing and Health Sciences, Faculty of Nursing and Health Sciences, Notre Dame University-Louaize, Zouk Mosbeh, Lebanon PO Box: 72, Zouk Mikael, Lebanon.
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8
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Reduction of Candida albicans biofilm formation by coating polymethyl methacrylate denture bases with a photopolymerized film. J Prosthet Dent 2019; 124:605-613. [PMID: 31831165 DOI: 10.1016/j.prosdent.2019.08.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Revised: 07/30/2019] [Accepted: 08/15/2019] [Indexed: 12/28/2022]
Abstract
STATEMENT OF PROBLEM As Candida albicans biofilm formation is associated with severe local and systemic infections in denture-wearing patients, its prevention or reduction becomes an essential factor in the health of this population. PURPOSE The purpose of this in vitro study was to investigate whether 2 photopolymerized coatings of poly(acrylic acid) (PAA) and poly(itaconic acid) (PIA) can effectively reduce the adhesion of C albicans on denture base acrylic resin surfaces. MATERIAL AND METHODS The surface of the polymethyl methacrylate (PMMA) denture base was modified through photopolymerization of a thin film of PAA or PIA. The polymeric coatings were characterized by scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS), contact angle goniometry (CA), and surface roughness measurement (Ra). For biological evaluation, the coated PMMA surfaces were tested in a C albicans biofilm dynamic formation model, observed by confocal laser scanning microscopy (CLSM), and quantified by the number of colony-forming units (CFUs). The cytotoxicity of the polymeric coatings was also evaluated by using a lactic dehydrogenase-based (LDH) test. For statistical analysis, ANOVA and the nonparametric Kruskal-Wallis test were used (α=.05). RESULTS The PMMA resin base surfaces coated with PAA and PIA had an inhibitory effect on C albicans growth, the wettability of the coated surface, and the average roughness. The PAA and PIA coatings had no statistically significant cytotoxic effect on periodontal ligament fibroblasts. CONCLUSIONS PMMA acrylic resin base material was superficially modified through the incorporation of carboxylic acid groups by using PAA and PIA coatings that reduced the adherence of C albicans biofilm by 90%.
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Quinto EJ, Caro I, Villalobos-Delgado LH, Mateo J, De-Mateo-Silleras B, Redondo-Del-Río MP. Food Safety through Natural Antimicrobials. Antibiotics (Basel) 2019; 8:E208. [PMID: 31683578 PMCID: PMC6963522 DOI: 10.3390/antibiotics8040208] [Citation(s) in RCA: 88] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Revised: 10/17/2019] [Accepted: 10/24/2019] [Indexed: 02/07/2023] Open
Abstract
Microbial pathogens are the cause of many foodborne diseases after the ingestion of contaminated food. Several preservation methods have been developed to assure microbial food safety, as well as nutritional values and sensory characteristics of food. However, the demand for natural antimicrobial agents is increasing due to consumers' concern on health issues. Moreover, the use of antibiotics is leading to multidrug resistant microorganisms reinforcing the focus of researchers and the food industry on natural antimicrobials. Natural antimicrobial compounds from plants, animals, bacteria, viruses, algae and mushrooms are covered. Finally, new perspectives from researchers in the field and the interest of the food industry in innovations are reviewed. These new approaches should be useful for controlling foodborne bacterial pathogens; furthermore, the shelf-life of food would be extended.
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Affiliation(s)
- Emiliano J Quinto
- Department of Nutrition and Food Science, Faculty of Medicine, University of Valladolid, 47005 Valladolid, Spain.
| | - Irma Caro
- Department of Nutrition and Food Science, Faculty of Medicine, University of Valladolid, 47005 Valladolid, Spain.
| | - Luz H Villalobos-Delgado
- Institute of Agroindustry, Technological University of the Mixteca, Huajuapan de León, Oaxaca 69000, Mexico.
| | - Javier Mateo
- Department of Hygiene and Food Technology, Faculty of Veterinary Medicine, University of León, 24071 León, Spain.
| | - Beatriz De-Mateo-Silleras
- Department of Nutrition and Food Science, Faculty of Medicine, University of Valladolid, 47005 Valladolid, Spain.
| | - María P Redondo-Del-Río
- Department of Nutrition and Food Science, Faculty of Medicine, University of Valladolid, 47005 Valladolid, Spain.
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10
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Lactic Acid Bacteria (LAB) and Their Bacteriocins as Alternative Biotechnological Tools to Control Listeria monocytogenes Biofilms in Food Processing Facilities. Mol Biotechnol 2018; 60:712-726. [PMID: 30073512 DOI: 10.1007/s12033-018-0108-1] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Bacteriocins are antimicrobial peptides produced by bacteria Gram-negative and Gram-positive, including lactic acid bacteria (LAB), organisms that are traditionally used in food preservation practices. Bacteriocins have been shown to have an aptitude as biofilm controlling agents in Listeria monocytogenes biofilms, a major risk for consumers and the food industry. Biofilms protect pathogens from sanitization procedures, allowing them to survive and persist in processing facilities, resulting in the cross-contamination of the end products. Studies have been undertaken on bacteriocinogenic LAB, their bacteriocins, and bioengineered bacteriocin derivatives for controlling L. monocytogenes biofilms on different surfaces through inhibition, competition, exclusion, and displacement. These alternative strategies can be considered promising in preventing the development of resistance to conventional sanitizers and disinfectants. Bacteriocins are "friendly" antimicrobial agents, and with high prevalence in nature, they do not have any known associated public health risk. Most trials have been carried out in vitro, on food contact materials such as polystyrene and stainless steel, while there have been few studies performed in situ to consolidate the results observed in vitro. There are strategies that can be employed for prevention and eradication of L. monocytogenes biofilms (such as the establishment of standard cleaning procedures using the available agents at proper concentrations). However, commercial cocktails using alternatives compounds recognized as safe and environmental friendly can be an alternative approach to be applied by the industries in the future.
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11
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Mills S, Ross RP, Hill C. Bacteriocins and bacteriophage; a narrow-minded approach to food and gut microbiology. FEMS Microbiol Rev 2018; 41:S129-S153. [PMID: 28830091 DOI: 10.1093/femsre/fux022] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2017] [Accepted: 04/20/2017] [Indexed: 12/11/2022] Open
Abstract
Bacteriocins and bacteriophage (phage) are biological tools which exhibit targeted microbial killing, a phenomenon which until recently was seen as a major drawback for their use as antimicrobial agents. However, in an age when the deleterious consequences of broad-spectrum antibiotics on human health have become apparent, there is an urgent need to develop narrow-spectrum substitutes. Indeed, disruption of the microbial communities which exist on and in our bodies can generate immediate and long-term negative effects and this is particularly borne out in the gut microbiota community whose disruption has been linked to a number of disorders reaching as far as the brain. Moreover, the antibiotic resistance crisis has resulted in our inability to treat many bacterial infections and has triggered the search for damage-limiting alternatives. As bacteriocins and phage are natural entities they are relatively easy to isolate and characterise and are also ideal candidates for improving food safety and quality, forfeiting the need for largely unpopular chemical preservatives. This review highlights the efficacy of both antimicrobial agents in terms of gut health and food safety and explores the body of scientific evidence supporting their effectiveness in both environments.
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Affiliation(s)
- Susan Mills
- APC Microbiome Institute and School of Microbiology, University College Cork, Western Road, Cork T12 YN60, Ireland
| | - R Paul Ross
- APC Microbiome Institute and School of Microbiology, University College Cork, Western Road, Cork T12 YN60, Ireland
| | - Colin Hill
- APC Microbiome Institute and School of Microbiology, University College Cork, Western Road, Cork T12 YN60, Ireland
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12
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Antimicrobial biodegradable food packaging impregnated with Bacteriocin 7293 for control of pathogenic bacteria in pangasius fish fillets. Lebensm Wiss Technol 2018. [DOI: 10.1016/j.lwt.2017.10.026] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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13
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Amariei G, Kokol V, Boltes K, Letón P, Rosal R. Incorporation of antimicrobial peptides on electrospun nanofibres for biomedical applications. RSC Adv 2018; 8:28013-28023. [PMID: 35542741 PMCID: PMC9083935 DOI: 10.1039/c8ra03861a] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2018] [Accepted: 07/31/2018] [Indexed: 12/26/2022] Open
Abstract
The aim of this work was to immobilize antimicrobial peptides onto a fibrous scaffold to create functional wound dressings. The scaffold was produced by electrospinning from a mixture of the water soluble polymers poly(acrylic acid) and poly(vinyl alcohol) and subsequently heat cured at 140 °C to produce a stable material with fibre diameter below micron size. The peptides were incorporated into the negatively charged scaffold by electrostatic interaction. The best results were obtained for lysozyme impregnated at pH 7, which rendered a loading of up to 3.0 × 10−4 mmol mg−1. The dressings were characterized using SEM, ATR-FTIR, elemental analysis, ζ-potential and confocal microscopy using fluorescamine as an amine-reactive probe. The dressings preserved their fibrous structure after impregnation and peptides were distributed homogeneously throughout the fibrous network. The antibacterial activity was assessed by solid agar diffusion tests and growth inhibition in liquid cultures using Staphylococcus aureus, a pathogenic strain generally found in infected wounds. The antibacterial activity caused clear halo inhibition zones for lysozyme-loaded dressings and a 4-fold decrease in S. aureus viable colonies after two weeks of contact of dressings with bacterial liquid cultures. The release profile in different media showed sustained release in acidic environments, and a rapid discharge at high pH values. The incorporation of lysozyme resulted in dressing surfaces essentially free of microbial growth after 14 days of contact with bacteria at pH 7.4 attributed to the peptide that remained attached to the dressing surface. The aim of this work was to immobilize antimicrobial peptides onto a fibrous scaffold to create functional wound dressings.![]()
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Affiliation(s)
- Georgiana Amariei
- Department of Chemical Engineering
- University of Alcalá
- E-28871 Alcalá de Henares
- Spain
| | - Vanja Kokol
- Institute of Engineering Materials and Design
- University of Maribor
- Maribor
- Slovenia
| | - Karina Boltes
- Department of Chemical Engineering
- University of Alcalá
- E-28871 Alcalá de Henares
- Spain
| | - Pedro Letón
- Department of Chemical Engineering
- University of Alcalá
- E-28871 Alcalá de Henares
- Spain
| | - Roberto Rosal
- Department of Chemical Engineering
- University of Alcalá
- E-28871 Alcalá de Henares
- Spain
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14
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Optimization of cold nitrogen plasma surface modification process for setting up antimicrobial low density polyethylene films. J Taiwan Inst Chem Eng 2016. [DOI: 10.1016/j.jtice.2016.04.018] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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15
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Ibarguren C, Audisio MC, Sham EL, Müller FA, Farfán Torres EM. Adsorption of Nisin on Montmorillonite: A Concentration Strategy. J FOOD PROCESS PRES 2016. [DOI: 10.1111/jfpp.12788] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Carolina Ibarguren
- Otto Schott Institute of Materials Research (OSIM), Friedrich-Schiller-University of Jena; Loebdergraben 32 D-07743 Jena Germany
- Instituto de Investigaciones para la Industria Química-Consejo Nacional de Investigaciones Científicas y Técnicas (INIQUI-CONICET); Av. Bolivia 5150 A4408FVY-Salta Argentina
- Facultad de Ciencias de la Salud, Universidad Nacional de Salta; Av. Bolivia 5150, A4408FVY-Salta Argentina
| | - M. Carina Audisio
- Instituto de Investigaciones para la Industria Química-Consejo Nacional de Investigaciones Científicas y Técnicas (INIQUI-CONICET); Av. Bolivia 5150 A4408FVY-Salta Argentina
- Facultad de Ingeniería, Universidad Nacional de Salta; Av. Bolivia 5150, A4408FVY-Salta Argentina
- Facultad de Ciencias Exactas, Universidad Nacional de Salta; Av. Bolivia 5150, A4408FVY-Salta Argentina
| | - Edgardo L. Sham
- Instituto de Investigaciones para la Industria Química-Consejo Nacional de Investigaciones Científicas y Técnicas (INIQUI-CONICET); Av. Bolivia 5150 A4408FVY-Salta Argentina
- Facultad de Ingeniería, Universidad Nacional de Salta; Av. Bolivia 5150, A4408FVY-Salta Argentina
| | - Frank A. Müller
- Otto Schott Institute of Materials Research (OSIM), Friedrich-Schiller-University of Jena; Loebdergraben 32 D-07743 Jena Germany
| | - E. Mónica Farfán Torres
- Instituto de Investigaciones para la Industria Química-Consejo Nacional de Investigaciones Científicas y Técnicas (INIQUI-CONICET); Av. Bolivia 5150 A4408FVY-Salta Argentina
- Facultad de Ciencias Exactas, Universidad Nacional de Salta; Av. Bolivia 5150, A4408FVY-Salta Argentina
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Meira SMM, Jardim AI, Brandelli A. Adsorption of nisin and pediocin on nanoclays. Food Chem 2015; 188:161-9. [DOI: 10.1016/j.foodchem.2015.04.136] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2014] [Revised: 04/03/2015] [Accepted: 04/29/2015] [Indexed: 11/28/2022]
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O’Connor PM, Ross RP, Hill C, Cotter PD. Antimicrobial antagonists against food pathogens: a bacteriocin perspective. Curr Opin Food Sci 2015. [DOI: 10.1016/j.cofs.2015.01.004] [Citation(s) in RCA: 58] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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18
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Wong CB, Khoo BY, Sasidharan S, Piyawattanametha W, Kim S, Khemthongcharoen N, Ang MY, Chuah LO, Liong MT. Inhibition of Staphylococcus aureus by crude and fractionated extract from lactic acid bacteria. Benef Microbes 2015; 6:129-39. [DOI: 10.3920/bm2014.0021] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Increasing levels of antibiotic resistance by Staphyloccocus aureus have posed a need to search for non-antibiotic alternatives. This study aimed to assess the inhibitory effects of crude and fractionated cell-free supernatants (CFS) of locally isolated lactic acid bacteria (LAB) against a clinical strain of S. aureus. A total of 42 LAB strains were isolated and identified from fresh vegetables, fresh fruits and fermented products prior to evaluation of inhibitory activities. CFS of LAB strains exhibiting a stronger inhibitive effect against S. aureus were fractionated into crude protein, polysaccharide and lipid fractions. Crude protein fractions showed greater inhibition against S. aureus compared to polysaccharide and lipid fractions, with a more prevalent effect from Lactobacillus plantarum 8513 and L. plantarum BT8513. Crude protein, polysaccharide and lipid fractions were also characterised with glycine, mannose and oleic acid being detected as the major component of each fraction, respectively. Scanning electron microscopy revealed roughed and wrinkled membrane morphology of S. aureus upon treatment with crude protein fractions of LAB, suggesting an inhibitory effect via the destruction of cellular membrane. This research illustrated the potential application of fractionated extracts from LAB to inhibit S. aureus for use in the food and health industry.
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Affiliation(s)
- C.-B. Wong
- School of Industrial Technology, Universiti Sains Malaysia, 11800, Penang, Malaysia
| | - B.-Y. Khoo
- Institute for Research in Molecular Medicine, Universiti Sains Malaysia, 11800, Penang, Malaysia
| | - S. Sasidharan
- Institute for Research in Molecular Medicine, Universiti Sains Malaysia, 11800, Penang, Malaysia
| | - W. Piyawattanametha
- Integrated Biosensor Laboratory, National Electronics and Computer Technology Center, Pathumthani 12120, Thailand
- Advanced Imaging Research Center, Faculty of Medicine, Chulalongkorn University, Pathumwan 10330, Bangkok, Thailand
| | - S.H. Kim
- Division of Food Bioscience and Technology, Korea University, Seoul 136-701, South Korea
| | - N. Khemthongcharoen
- Integrated Biosensor Laboratory, National Electronics and Computer Technology Center, Pathumthani 12120, Thailand
- Advanced Imaging Research Center, Faculty of Medicine, Chulalongkorn University, Pathumwan 10330, Bangkok, Thailand
| | - M.-Y. Ang
- Analytical Department, Fisher Scientific Sdn Bhd, Shah Alam, 40400, Selangor, Malaysia
| | - L.-O. Chuah
- School of Industrial Technology, Universiti Sains Malaysia, 11800, Penang, Malaysia
| | - M.-T. Liong
- School of Industrial Technology, Universiti Sains Malaysia, 11800, Penang, Malaysia
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