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Wen L, He H, Liu Y, Wang W, Du P, Hu P, Cao J, Ma Y. Research progress on natural preservatives of meat and meat products: classifications, mechanisms and applications. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2024; 104:7085-7095. [PMID: 38546416 DOI: 10.1002/jsfa.13495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 02/21/2024] [Accepted: 03/28/2024] [Indexed: 04/09/2024]
Abstract
Meat and meat products are highly susceptible to contamination by microorganisms and foodborne pathogens, which cause serious economic losses and health hazards. The large consumption and waste of meat and meat products means that there is a need for safe and effective preservation methods. Furthermore, toxicological aspects of chemical preservation techniques related to major health problems have sparked controversies and have prompted consumers and producers to turn to natural preservatives. Consequently, natural preservatives are being increasingly used to ensure the safety and quality of meat products as a result of customer preferences and biological efficacy. However, information on the current status of these preservatives is scattered and a comprehensive review is lacking. Here, we review current knowledge on the classification, mechanisms of natural preservatives and their applications in the preservation of meat and meat products, and also discuss the potential of natural preservatives to improve the safety of meat and meat products. The current status and the current research gaps in the extraction, application and controlled-release of natural antibacterial agents for meat preservation are also discussed in detail. This review may be useful to the development of efficient food preservation techniques in the meat industry. © 2024 Society of Chemical Industry.
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Affiliation(s)
- Lei Wen
- Shandong Provincial Key Laboratory of Agro-Products Processing Technology, Key Laboratory of Novel Food Resources Processing, Ministry of Agriculture, Institute of Food & Nutrition Science and Technology, Shandong Academy of Agricultural Sciences, Jinan, China
- College of Life Sciences, Yantai University, Yantai, China
| | - Hongjun He
- College of Life Sciences, Yantai University, Yantai, China
| | - Yaobo Liu
- Shandong Provincial Key Laboratory of Agro-Products Processing Technology, Key Laboratory of Novel Food Resources Processing, Ministry of Agriculture, Institute of Food & Nutrition Science and Technology, Shandong Academy of Agricultural Sciences, Jinan, China
| | - Weiting Wang
- Shandong Provincial Key Laboratory of Agro-Products Processing Technology, Key Laboratory of Novel Food Resources Processing, Ministry of Agriculture, Institute of Food & Nutrition Science and Technology, Shandong Academy of Agricultural Sciences, Jinan, China
| | - Pengfei Du
- Shandong Provincial Key Laboratory of Agro-Products Processing Technology, Key Laboratory of Novel Food Resources Processing, Ministry of Agriculture, Institute of Food & Nutrition Science and Technology, Shandong Academy of Agricultural Sciences, Jinan, China
| | - Peng Hu
- Shandong Provincial Key Laboratory of Agro-Products Processing Technology, Key Laboratory of Novel Food Resources Processing, Ministry of Agriculture, Institute of Food & Nutrition Science and Technology, Shandong Academy of Agricultural Sciences, Jinan, China
| | - Jianfang Cao
- Shandong Provincial Key Laboratory of Agro-Products Processing Technology, Key Laboratory of Novel Food Resources Processing, Ministry of Agriculture, Institute of Food & Nutrition Science and Technology, Shandong Academy of Agricultural Sciences, Jinan, China
| | - Yanli Ma
- Shandong Provincial Key Laboratory of Agro-Products Processing Technology, Key Laboratory of Novel Food Resources Processing, Ministry of Agriculture, Institute of Food & Nutrition Science and Technology, Shandong Academy of Agricultural Sciences, Jinan, China
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Emiliano JVDS, Fusieger A, Camargo AC, Rodrigues FFDC, Nero LA, Perrone ÍT, Carvalho AFD. Staphylococcus aureus in Dairy Industry: Enterotoxin Production, Biofilm Formation, and Use of Lactic Acid Bacteria for Its Biocontrol. Foodborne Pathog Dis 2024. [PMID: 39021233 DOI: 10.1089/fpd.2023.0170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/20/2024] Open
Abstract
Staphylococcus aureus is a well-known pathogen capable of producing enterotoxins during bacterial growth in contaminated food, and the ingestion of such preformed toxins is one of the major causes of food poisoning around the world. Nowadays 33 staphylococcal enterotoxins (SEs) and SE-like toxins have been described, but nearly 95% of confirmed foodborne outbreaks are attributed to classical enterotoxins SEA, SEB, SEC, SED, and SEE. The natural habitat of S. aureus includes the skin and mucous membranes of both humans and animals, allowing the contamination of milk, its derivatives, and the processing facilities. S. aureus is well known for the ability to form biofilms in food processing environments, which contributes to its persistence and cross-contamination in food. The biocontrol of S. aureus in foods by lactic acid bacteria (LAB) and their bacteriocins has been studied for many years. Recently, LAB and their metabolites have also been explored for controlling S. aureus biofilms. LAB are used in fermented foods since in ancient times and nowadays characterized strains (or their purified bacteriocin) can be intentionally added to prolong food shelf-life and to control the growth of potentially pathogenic bacteria. Regarding the use of these microorganism and their metabolites (such as organic acids and bacteriocins) to prevent biofilm development or for biofilm removal, it is possible to conclude that a complex network behind the antagonistic activity remains poorly understood at the molecular level. The use of approaches that allow the characterization of these interactions is necessary to enhance our understanding of the mechanisms that govern the inhibitory activity of LAB against S. aureus biofilms in food processing environments.
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Affiliation(s)
- Jean Victor Dos Santos Emiliano
- InovaLeite - Laboratório de Pesquisa em Leites e Derivados, Departamento de Tecnologia de Alimentos, Universidade Federal de Viçosa, Viçosa, Brazil
| | - Andressa Fusieger
- InovaLeite - Laboratório de Pesquisa em Leites e Derivados, Departamento de Tecnologia de Alimentos, Universidade Federal de Viçosa, Viçosa, Brazil
| | - Anderson Carlos Camargo
- InovaLeite - Laboratório de Pesquisa em Leites e Derivados, Departamento de Tecnologia de Alimentos, Universidade Federal de Viçosa, Viçosa, Brazil
- InsPOA - Laboratório de Inspeção de Produtos de Origem Animal, Departamento de Veterinária, Universidade Federal de Viçosa, Viçosa, Brazil
| | - Fabíola Faria da Cruz Rodrigues
- InovaLeite - Laboratório de Pesquisa em Leites e Derivados, Departamento de Tecnologia de Alimentos, Universidade Federal de Viçosa, Viçosa, Brazil
| | - Luís Augusto Nero
- InsPOA - Laboratório de Inspeção de Produtos de Origem Animal, Departamento de Veterinária, Universidade Federal de Viçosa, Viçosa, Brazil
| | - Ítalo Tuler Perrone
- Faculdade de Farmácia, Universidade Federal de Juiz de Fora, Juiz de Fora, Brazil
| | - Antônio Fernandes de Carvalho
- InovaLeite - Laboratório de Pesquisa em Leites e Derivados, Departamento de Tecnologia de Alimentos, Universidade Federal de Viçosa, Viçosa, Brazil
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Li J, Qin Z, Zhang B, Wu X, Wu J, Peng L, Xiao Y. Development of transcriptional factor-based whole-cell biosensors to monitor and degrade antibiotics using mutant cells obtained via adaptive laboratory evolution. JOURNAL OF HAZARDOUS MATERIALS 2024; 473:134536. [PMID: 38759406 DOI: 10.1016/j.jhazmat.2024.134536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 05/01/2024] [Accepted: 05/02/2024] [Indexed: 05/19/2024]
Abstract
With the widespread use of antibiotics and increasing environmental concerns regarding antibiotic abuse, the detection and degradation of antibiotic residues in various samples has become a pressing issue. Transcriptional factor (TF)-based whole-cell biosensors are low-cost, easy-to-use, and flexible tools for detecting chemicals and controlling bioprocesses. However, because of cytotoxicity caused by antibiotics, the application of such biosensors is limited in the presence of antibiotics. In this study, we used antibiotic-tolerant mutants obtained via adaptive laboratory evolution (ALE) to develop TF-based whole-cell biosensors for antibiotic monitoring and degradation. The biosensors had high performance and stability in detecting relatively high concentrations of tetracycline (Tc) and nisin. The ALE mutant-based Tc biosensor exhibited a 10-fold larger linear detection range than the wild-type strain-based biosensor. Then, the Tc biosensor was employed to detect residual amounts of Tc in mouse stool, serum, and urine samples and facilitate Tc biodegradation in mouse stool, demonstrating its high utility. Considering that ALE has been demonstrated to enhance cell tolerance to various toxic chemicals, our strategy might facilitate the development of whole-cell biosensors for most antibiotics and other toxic ligands.
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Affiliation(s)
- Jiawei Li
- State Key Laboratory of Microbial Metabolism, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, PR China
| | - Ziqing Qin
- State Key Laboratory of Microbial Metabolism, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, PR China
| | - Baohui Zhang
- State Key Laboratory of Microbial Metabolism, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, PR China
| | - Xiaofeng Wu
- State Key Laboratory of Microbial Metabolism, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, PR China
| | - Jing Wu
- State Key Laboratory of Microbial Metabolism, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, PR China
| | - Lifeng Peng
- School of Biological Sciences and Centre for Biodiscovery, Victoria University of Wellington, Wellington 6012, New Zealand
| | - Yi Xiao
- State Key Laboratory of Microbial Metabolism, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, PR China.
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Xie Z, McAuliffe O, Jin YS, Miller MJ. Genomic Modifications of Lactic Acid Bacteria and Their Applications in Dairy Fermentation. J Dairy Sci 2024:S0022-0302(24)00981-0. [PMID: 38969005 DOI: 10.3168/jds.2024-24989] [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: 03/31/2024] [Accepted: 06/11/2024] [Indexed: 07/07/2024]
Abstract
Lactic Acid Bacteria (LAB) have a long history of safe use in milk fermentation and are generally recognized as health-promoting microorganisms when present in fermented foods. LAB are also important components of the human intestinal microbiota and are widely used as probiotics. Considering their safe and health-beneficial properties, LAB are considered appropriate vehicles that can be genetically modified for food, industrial and pharmaceutical applications. Here, this review describes (1) the potential opportunities for application of genetically modified LAB strains in dairy fermentation and (2) the various genomic modification tools for LAB strains, such as random mutagenesis, adaptive laboratory evolution, conjugation, homologous recombination, recombineering, and CRISPR (clustered regularly interspaced short palindromic repeat)- Cas (CRISPR-associated protein) based genome engineering. Lastly, this review also discusses the potential future developments of these genomic modification technologies and their applications in dairy fermentations.
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Affiliation(s)
- Zifan Xie
- Food Science and Human Nutrition, University of Illinois Urbana-Champaign, Urbana, IL, USA
| | | | - Yong-Su Jin
- Food Science and Human Nutrition, University of Illinois Urbana-Champaign, Urbana, IL, USA; Carl R. Woese Institute for Genomic Biology, University of Illinois Urbana-Champaign, Urbana, IL, USA
| | - Michael J Miller
- Food Science and Human Nutrition, University of Illinois Urbana-Champaign, Urbana, IL, USA; Carl R. Woese Institute for Genomic Biology, University of Illinois Urbana-Champaign, Urbana, IL, USA.
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Fante N, Desiderato CK, Riedel CU, Grünberger A. Time-resolved cell-to-cell heterogeneity of Listeria innocua after nisin exposure. Front Bioeng Biotechnol 2024; 12:1408652. [PMID: 38933537 PMCID: PMC11199691 DOI: 10.3389/fbioe.2024.1408652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Accepted: 05/13/2024] [Indexed: 06/28/2024] Open
Abstract
The use of bacteriocins is a promising approach for addressing the immense threat of food-borne and drug-resistant pathogens. In recent years screening platforms for novel bacteriocins using whole-cell biosensors have been established. During screening cell-to-cell heterogeneity is currently neglected but might play a crucial role in signal development of the whole-cell biosensor after bacteriocin exposure. In this study, we explored the temporal dynamics of the signal heterogeneity of the biosensor Listeria innocua LMG2785/pNZpHin2 Lm after nisin exposure using microfluidic single-cell analysis. The results provided novel and detailed insights into the dynamics of cell-to-cell heterogeneity in L. innocua LMG2785/pNZpHin2 Lm at different nisin concentrations with a high spatio-temporal resolution. Furthermore, the formation of subpopulations during bacteriocin exposure was observed. In-depth single-cell tracking even revealed the regeneration of disrupted cells and recovery of pH homeostasis in rare instances. These findings are highly important for the future design and execution of bacteriocin assays and for the interpretation of fluorescence signal development at the population level after exposure to different concentrations of bacteriocins (here, nisin), as well as for obtaining deeper insights into single-cell persistence strategies to quantify the efficacy and efficiency of novel bacteriocins.
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Affiliation(s)
- Niklas Fante
- Multiscale Bioengineering, Technical Faculty, Bielefeld University, Bielefeld, Germany
| | | | | | - Alexander Grünberger
- Multiscale Bioengineering, Technical Faculty, Bielefeld University, Bielefeld, Germany
- Center for Biotechnology (CeBiTec), Bielefeld University, Bielefeld, Germany
- Institute of Process Engineering in Life Sciences: Microsystems in Bioprocess Engineering, Karlsruhe Institute of Technology, Karlsruhe, Germany
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Amenu D, Bacha K. Bio-Preservation Potential and Antimicrobial Activity of Bacteriocin-Producing Lactic Acid Bacteria Isolated from Ethiopian Traditional Fermented Dairy Products. Probiotics Antimicrob Proteins 2024:10.1007/s12602-024-10272-w. [PMID: 38856908 DOI: 10.1007/s12602-024-10272-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/20/2024] [Indexed: 06/11/2024]
Abstract
This study aimed to assess the antibacterial activity and bio-preservation capability of bacteriocin-producing LAB isolated from Ethiopian traditional fermented dairy products in raw milk from Jimma town. Bacteriocin-producing LAB were tested for their antimicrobial activity against various foodborne pathogens, including Staphylococcus aureus, Escherichia coli, Listeria monocytogenes, and Salmonella typhimurium. The results showed that probiotic LAB isolates inhibited foodborne pathogens (E. coli, S. aureus, and L. monocytogenes), with inhibition zones ranging from 22.00 ± 0.57 to 34.13 ± 0.57. Enterococcus faecium and Lactococcus lactis demonstrated possible antagonistic effects against E. coli, while Pediococcus pentosaceus had a 34.13 ± 0.57 mm inhibitory zone against Pseudomonas aeruginosa. The isolates also showed co-aggregation potential with the pathogens, with Lactococcus lactis isolates and their combinations demonstrating the best co-aggregation capabilities against the investigated pathogens. The bio-preservative assay showed that putative probiotic isolates (L. lactis JULABE35, E. faecium JULABE 23, and P. pentosaceus JULABE05) were efficient in decreasing Listeria monocytogenes in raw milk. After 7-8 days, milk samples diagnosed with these isolates showed complete reduction of Listeria monocytogenes. The bio-preservation capability of bacteriocin-producing LAB on raw milk extended the shelf life of milk at 4 °C storage for ten days, compared to six days for milk samples without probiotic LAB. The milk samples preserved with probiotic and bacteriocin-producing isolates showed good proximate analysis, showing significant variation with milk kept without bacteriocin-producing isolates. The isolated chemicals employed in this study can be used as food additives or food preservatives, indicating potential applications in Ethiopian traditional fermented dairy products.
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Affiliation(s)
- Desalegn Amenu
- Department of Biology, College of Natural and Computational Sciences, Wollega University, P.O. Box 395, Nekemte, Oromia, Ethiopia.
- Department of Biology, College of Natural Sciences, Jimma University, P.O. Box 378, Jimma, Ethiopia.
| | - Ketema Bacha
- Department of Biology, College of Natural and Computational Sciences, Wollega University, P.O. Box 395, Nekemte, Oromia, Ethiopia
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Hongchao D, Ma L, Xu Z, Soteyome T, Yuan L, Yang Z, Jiao XA. Invited review: Role of Bacillus licheniformis in the dairy industry- friends or foes? J Dairy Sci 2024:S0022-0302(24)00904-4. [PMID: 38851582 DOI: 10.3168/jds.2024-24826] [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: 02/25/2024] [Accepted: 05/07/2024] [Indexed: 06/10/2024]
Abstract
Bacillus licheniformis is one of the major spore-forming bacteria with great genotypic diversity in raw milk, dairy ingredients, final dairy products, and is found throughout the dairy processing continuum. Though being widely used as a probiotic strain, this species also serves as a potential risk in the dairy industry based on its roles in foodborne illness and dairy spoilage. Biofilm formation of B. licheniformis in combined with the heat resistance of its spores, make it impossible to prevent the presence of B. licheniformis in final dairy products by traditional cleaning and disinfection procedures. Despite the extensive efforts on the identification of B. licheniformis from various dairy samples, no reviews have been reported on both hazard and benefits of this spore-former. This review discusses the prevalence of B. licheniformis from raw milk to commercial dairy products, biofilm formation and spoilage potential of B. licheniformis, and its potential prevention methods. In addition, the potential benefits of B. licheniformis in the dairy industry were also summarized.
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Affiliation(s)
- Dai Hongchao
- School of Food Science and Engineering, Yangzhou University, Yangzhou, Jiangsu, 225127 China; Jiangsu Key Laboratory of Zoonoses, Yangzhou, Jiangsu, 225009 China
| | - Lili Ma
- School of Food Science and Engineering, Yangzhou University, Yangzhou, Jiangsu, 225127 China
| | - Zhenbo Xu
- School of Food Science and Engineering, Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, Engineering Research Center of Starch and Vegetable Protein Processing Ministry of Education, South China University of Technology, Guangzhou 510640, China; Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02139, United States; Home Economics Technology, Rajamangala University of Technology Phra Nakhon, Bangkok, Thailand
| | - Thanapop Soteyome
- Home Economics Technology, Rajamangala University of Technology Phra Nakhon, Bangkok, Thailand
| | - Lei Yuan
- School of Food Science and Engineering, Yangzhou University, Yangzhou, Jiangsu, 225127 China; Jiangsu Key Laboratory of Zoonoses, Yangzhou, Jiangsu, 225009 China.
| | - Zhenquan Yang
- School of Food Science and Engineering, Yangzhou University, Yangzhou, Jiangsu, 225127 China
| | - Xin-An Jiao
- Jiangsu Key Laboratory of Zoonoses, Yangzhou, Jiangsu, 225009 China
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Sabri M, El Handi K, Valentini F, De Stradis A, Cara O, Calvano CD, Bianco M, Trani A, Elbeaino T. Nisin-based therapy: a realistic and eco-friendly biocontrol strategy to contrast Xylella fastidiosa subsp. pauca infections in planta. Front Microbiol 2024; 15:1406672. [PMID: 38812684 PMCID: PMC11133578 DOI: 10.3389/fmicb.2024.1406672] [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: 03/25/2024] [Accepted: 04/29/2024] [Indexed: 05/31/2024] Open
Abstract
The lack of sustainable strategies for combating Xylella fastidiosa (Xf) highlights the pressing need for novel practical antibacterial tools. In this study, Lactococcus lactis subsp. lactis strain ATCC 11454 (L. lactis), known for its production of nisin A, was in vitro tested against Xf subsp. pauca. Preliminary investigations showed that nisin A was involved in a strong antagonistic activity exhibited by L. lactis against Xf. Thus, the efficacy of nisin A was comprehensively assessed through a combination of in vitro and in planta experiments. In vitro investigations employing viable-quantitative PCR, spot assay, turbidity reduction assay, fluorescence microscopy, and transmission electron microscopy demonstrated nisin's robust bactericidal effect on Xf at a minimal lethal concentration of 0.6 mg/mL. Moreover, results from fluorescence and transmission electron microscopies indicated that nisin directly and rapidly interacts with the membranes of Xf cells, leading to the destruction of bacterial cells in few minutes. In in planta tests, nisin also demonstrated the ability to tackle Xf infections within Nicotiana benthamiana plants that remained asymptomatic 74 days post inoculation. Furthermore, RPLC-ESI-MS/MS analyses showed that nisin translocated to all parts of the plants and remains intact for up to 9 days. For the first time, this study underscores the nisin-based strategy as a realistic and eco-friendly approach to be further investigated against Xf infections in the field.
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Affiliation(s)
- Miloud Sabri
- International Centre for Advanced Mediterranean Agronomic Studies (CIHEAM of Bari), Bari, Italy
| | - Kaoutar El Handi
- International Centre for Advanced Mediterranean Agronomic Studies (CIHEAM of Bari), Bari, Italy
| | - Franco Valentini
- International Centre for Advanced Mediterranean Agronomic Studies (CIHEAM of Bari), Bari, Italy
| | - Angelo De Stradis
- National Research Council of Italy (CNR), Institute for Sustainable Plant Protection (IPSP), University of Bari, Bari, Italy
| | - Orges Cara
- International Centre for Advanced Mediterranean Agronomic Studies (CIHEAM of Bari), Bari, Italy
- Department of Soil, Plant and Food Science, University of Bari, Bari, Italy
| | | | | | - Antonio Trani
- International Centre for Advanced Mediterranean Agronomic Studies (CIHEAM of Bari), Bari, Italy
| | - Toufic Elbeaino
- International Centre for Advanced Mediterranean Agronomic Studies (CIHEAM of Bari), Bari, Italy
- National Research Council of Italy (CNR), Institute for Sustainable Plant Protection (IPSP), Naples, Italy
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Elsherif WM, Hassanien AA, Zayed GM, Kamal SM. Natural approach of using nisin and its nanoform as food bio-preservatives against methicillin resistant Staphylococcus aureus and E.coli O157:H7 in yoghurt. BMC Vet Res 2024; 20:192. [PMID: 38734600 PMCID: PMC11088153 DOI: 10.1186/s12917-024-03985-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Accepted: 03/21/2024] [Indexed: 05/13/2024] Open
Abstract
BACKGROUND Natural antimicrobial agents such as nisin were used to control the growth of foodborne pathogens in dairy products. The current study aimed to examine the inhibitory effect of pure nisin and nisin nanoparticles (nisin NPs) against methicillin resistant Staphylococcus aureus (MRSA) and E.coli O157:H7 during the manufacturing and storage of yoghurt. Nisin NPs were prepared using new, natural, and safe nano-precipitation method by acetic acid. The prepared NPs were characterized using zeta-sizer and transmission electron microscopy (TEM). In addition, the cytotoxicity of nisin NPs on vero cells was assessed using the 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. The minimum inhibitory concentrations (MICs) of nisin and its nanoparticles were determined using agar well-diffusion method. Further, fresh buffalo's milk was inoculated with MRSA or E.coli O157:H7 (1 × 106 CFU/ml) with the addition of either nisin or nisin NPs, and then the inoculated milk was used for yoghurt making. The organoleptic properties, pH and bacterial load of the obtained yoghurt were evaluated during storage in comparison to control group. RESULTS The obtained results showed a strong antibacterial activity of nisin NPs (0.125 mg/mL) against MRSA and E.coli O157:H7 in comparison with control and pure nisin groups. Notably, complete eradication of MRSA and E.coli O157:H7 was observed in yoghurt formulated with nisin NPs after 24 h and 5th day of storage, respectively. The shelf life of yoghurt inoculated with nisin nanoparticles was extended than those manufactured without addition of such nanoparticles. CONCLUSIONS Overall, the present study indicated that the addition of nisin NPs during processing of yoghurt could be a useful tool for food preservation against MRSA and E.coli O157:H7 in dairy industry.
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Affiliation(s)
- Walaa M Elsherif
- Certified Food Lab, Nanotechnology Research and Synthesis Unit, Animal Health Research Institute (AHRI), Agriculture Research Center (ARC), Assiut,, Egypt
- Faculty of Health Sciences Technology, New Assiut Technological University (NATU), Assiut, Egypt
| | - Alshimaa A Hassanien
- Department of Zoonoses, Faculty of Veterinary Medicine, Sohag University, Sohag, Egypt
| | - Gamal M Zayed
- Faculty of Health Sciences Technology, New Assiut Technological University (NATU), Assiut, Egypt
- Department of Pharmaceutics and Pharmaceutical Technology, Al-Azhar University, Assiut, Egypt
| | - Sahar M Kamal
- Department of Food Hygiene, Safety and Technology, Faculty of Veterinary Medicine, Assiut University, Assiut, Egypt.
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Soutelino MEM, Silva ACDO, Rocha RDS. Natural Antimicrobials in Dairy Products: Benefits, Challenges, and Future Trends. Antibiotics (Basel) 2024; 13:415. [PMID: 38786143 PMCID: PMC11117376 DOI: 10.3390/antibiotics13050415] [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: 03/28/2024] [Revised: 04/23/2024] [Accepted: 04/24/2024] [Indexed: 05/25/2024] Open
Abstract
This review delves into using natural antimicrobials in the dairy industry and examines various sources of these compounds, including microbial, plant, and animal sources. It discusses the mechanisms by which they inhibit microbial growth, for example, by binding to the cell wall's precursor molecule of the target microorganism, consequently inhibiting its biosynthesis, and interfering in the molecule transport mechanism, leading to cell death. In general, they prove to be effective against the main pathogens and spoilage found in food, such as Escherichia coli, Staphylococcus aureus, Bacillus spp., Salmonella spp., mold, and yeast. Moreover, this review explores encapsulation technology as a promising approach for increasing the viability of natural antimicrobials against unfavorable conditions such as pH, temperature, and oxygen exposure. Finally, this review examines the benefits and challenges of using natural antimicrobials in dairy products. While natural antimicrobials offer several advantages, including improved safety, quality, and sensory properties of dairy products, it is crucial to be aware of the challenges associated with their use, such as potential allergenicity, regulatory requirements, and consumer perception. This review concludes by emphasizing the need for further research to identify and develop effective and safe natural antimicrobials for the dairy industry to ensure the quality and safety of dairy products for consumers.
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Affiliation(s)
- Maria Eduarda Marques Soutelino
- Department of Food Technology (MTA), College of Veterinary, Fluminense Federal University (UFF), 24230-340 Niterói, Brazil; (M.E.M.S.); (A.C.d.O.S.)
| | - Adriana Cristina de Oliveira Silva
- Department of Food Technology (MTA), College of Veterinary, Fluminense Federal University (UFF), 24230-340 Niterói, Brazil; (M.E.M.S.); (A.C.d.O.S.)
| | - Ramon da Silva Rocha
- Food Engineering Department (ZEA), College of Animal Science and Food Engineering (FZEA), University of São Paulo (USP), 13635-900 Pirassununga, Brazil
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11
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Wu P, Yang J, Meng X, Weng Y, Lin Y, Li R, Lv X, Ni L, Han JZ, Fu C. The inhibitory action of lactocin 63 on deterioration of seabass (Lateolabrax japonicus) during chilled storage. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2024; 104:4015-4027. [PMID: 38294304 DOI: 10.1002/jsfa.13284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 12/29/2023] [Accepted: 01/04/2024] [Indexed: 02/01/2024]
Abstract
BACKGROUND The bacteriocins, particularly derived from lactic acid bacteria, currently exhibit potential as a promising food preservative owing to their low toxicity and potent antimicrobial activity. This study aimed to evaluate the efficacy of lactocin 63, produced by Lactobacillus coryniformis, in inhibiting the deterioration of Lateolabrax japonicas during chilled storage, while also investigating its underlying inhibitory mechanism. The measurement of total viable count, biogenic amines, and volatile organic compounds were conducted, along with high-throughput sequencing and sensory evaluation. RESULTS The findings demonstrated that treatment with lactocin 63 resulted in a notable retardation of bacterial growth in L. japonicas fish fillet during refrigerated storage compared with the water-treated and nisin-treated groups. Moreover, lactocin 63 effectively maintained the microbial flora balance in the fish fillet and inhibited the proliferation and metabolic activity of specific spoilage microorganisms, particularly Shewanella, Pseudomonas, and Acinetobacter. Furthermore, the production of unacceptable volatile organic compounds (e.g. 1-octen-3-ol, hexanal, nonanal), as well as the biogenic amines derived from the bacterial metabolism, could be hindered, thus preventing the degradation in the quality of fish fillets and sustaining relatively high sensory quality. CONCLUSION The results of this study provide valuable theoretical support for the development and application of lactocin 63, or other bacteriocins derived from lactic acid bacteria, as potential bio-preservatives in aquatic food. © 2024 Society of Chemical Industry.
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Affiliation(s)
- Peifen Wu
- Institute of Food Science and Technology, College of Biological Science and Engineering, Fuzhou University, Fuzhou, China
| | - Jie Yang
- Institute of Food Science and Technology, College of Biological Science and Engineering, Fuzhou University, Fuzhou, China
| | - Xiaojie Meng
- Institute of Food Science and Technology, College of Biological Science and Engineering, Fuzhou University, Fuzhou, China
| | - Yanlin Weng
- Institute of Food Science and Technology, College of Biological Science and Engineering, Fuzhou University, Fuzhou, China
| | - Yayi Lin
- Institute of Food Science and Technology, College of Biological Science and Engineering, Fuzhou University, Fuzhou, China
| | - Ruili Li
- Institute of Food Science and Technology, College of Biological Science and Engineering, Fuzhou University, Fuzhou, China
| | - Xucong Lv
- Institute of Food Science and Technology, College of Biological Science and Engineering, Fuzhou University, Fuzhou, China
| | - Li Ni
- Institute of Food Science and Technology, College of Biological Science and Engineering, Fuzhou University, Fuzhou, China
| | - Jin-Zhi Han
- Institute of Food Science and Technology, College of Biological Science and Engineering, Fuzhou University, Fuzhou, China
| | - Caili Fu
- Fujian Key Laboratory of Inspection and Quarantine Technology Research, Fuzhou, China
- College of Chemical Engineering, Nanjing Forestry University, Nanjing, China
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12
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Han J, Wu P, Yang J, Weng Y, Lin Y, Chen Z, Yu F, Lü X, Ni L. Development of a novel hybrid antimicrobial peptide for enhancing antimicrobial spectrum and potency against food-borne pathogens. J Appl Microbiol 2024; 135:lxae023. [PMID: 38337177 DOI: 10.1093/jambio/lxae023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 12/30/2023] [Accepted: 02/08/2024] [Indexed: 02/12/2024]
Abstract
AIMS To address the increasingly serious challenge of the transmission of foodbrone pathogens in the food chain. METHODS AND RESULTS In this study, we employed rational design strategies, including truncation, amino acid substitution, and heterozygosity, to generate seven engineered peptides with α-helical structure, cationic property, and amphipathic characteristics based on the original Abhisin template. Among them, as the hybird antimicrobial peptide (AMP), AM exhibits exceptional stability, minimal toxicity, as well as broad-spectrum and potent antimicrobial activity against foodborne pathogens. Besides, it was observed that the electrostatic incorporation demonstrates by AM results in its primary targeting and disruption of the cell wall and membrane of Escherichia coli O157: H7 (EHEC) and methicillin-resistant Staphylococcus aureus (MRSA), resulting in membrane perforation and enhanced permeability. Additionally, AM effectively counteracts the deleterious effects of lipopolysaccharide, eradicating biofilms and ultimately inducing the demise of both food spoilage and pathogenic microorganisms. CONCLUSIONS The findings highlight the significant potential of AM as a highly promising candidate for a novel food preservative and its great importance in the design and optimization of AMP-related agents.
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Affiliation(s)
- Jinzhi Han
- Food Nutrition and Health Research Center, School of Advanced Manufacturing, Fuzhou University, Jinjiang, Fujian 362200, China
- Institute of Food Science and Technology, College of Biological Science and Engineering, Fuzhou University, Fuzhou, Fujian 350108, China
- Fujian Research Center of Food Biotechnology and Innovation Engineering, Fuzhou, Fujian 350108, China
| | - Peifen Wu
- Institute of Food Science and Technology, College of Biological Science and Engineering, Fuzhou University, Fuzhou, Fujian 350108, China
- Fujian Research Center of Food Biotechnology and Innovation Engineering, Fuzhou, Fujian 350108, China
| | - Jie Yang
- Institute of Food Science and Technology, College of Biological Science and Engineering, Fuzhou University, Fuzhou, Fujian 350108, China
- Fujian Research Center of Food Biotechnology and Innovation Engineering, Fuzhou, Fujian 350108, China
| | - Yanlin Weng
- Institute of Food Science and Technology, College of Biological Science and Engineering, Fuzhou University, Fuzhou, Fujian 350108, China
- Fujian Research Center of Food Biotechnology and Innovation Engineering, Fuzhou, Fujian 350108, China
| | - Yayi Lin
- Institute of Food Science and Technology, College of Biological Science and Engineering, Fuzhou University, Fuzhou, Fujian 350108, China
- Fujian Research Center of Food Biotechnology and Innovation Engineering, Fuzhou, Fujian 350108, China
| | - Zhiying Chen
- Institute of Food Science and Technology, College of Biological Science and Engineering, Fuzhou University, Fuzhou, Fujian 350108, China
- Fujian Research Center of Food Biotechnology and Innovation Engineering, Fuzhou, Fujian 350108, China
| | - Fengfan Yu
- Institute of Food Science and Technology, College of Biological Science and Engineering, Fuzhou University, Fuzhou, Fujian 350108, China
- Fujian Research Center of Food Biotechnology and Innovation Engineering, Fuzhou, Fujian 350108, China
| | - Xucong Lü
- Food Nutrition and Health Research Center, School of Advanced Manufacturing, Fuzhou University, Jinjiang, Fujian 362200, China
- Institute of Food Science and Technology, College of Biological Science and Engineering, Fuzhou University, Fuzhou, Fujian 350108, China
- Fujian Research Center of Food Biotechnology and Innovation Engineering, Fuzhou, Fujian 350108, China
| | - Li Ni
- Food Nutrition and Health Research Center, School of Advanced Manufacturing, Fuzhou University, Jinjiang, Fujian 362200, China
- Institute of Food Science and Technology, College of Biological Science and Engineering, Fuzhou University, Fuzhou, Fujian 350108, China
- Fujian Research Center of Food Biotechnology and Innovation Engineering, Fuzhou, Fujian 350108, China
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13
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Guo L, Wambui J, Wang C, Broos J, Stephan R, Kuipers OP. Rombocin, a Short Stable Natural Nisin Variant, Displays Selective Antimicrobial Activity against Listeria monocytogenes and Employs a Dual Mode of Action to Kill Target Bacterial Strains. ACS Synth Biol 2024; 13:370-383. [PMID: 38194633 PMCID: PMC10804407 DOI: 10.1021/acssynbio.3c00612] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 12/26/2023] [Accepted: 12/27/2023] [Indexed: 01/11/2024]
Abstract
Nisin, with its unique mode of action and potent antimicrobial activity, serves as a remarkable inspiration for the design of novel antibiotics. However, peptides possess inherent weaknesses, particularly their susceptibility to proteolytic degradation, such as by trypsin, which limits their broader applications. This led us to speculate that natural variants of nisin produced by underexplored bacterial species can potentially overcome these limitations. We carried out genome mining of two Romboutsia sedimentorum strains, RC001 and RC002, leading to the discovery of rombocin A, which is a 25 amino acid residue short nisin variant that is predicted to have only four macrocycles compared to the known 31-35 amino acids long nisin variants with five macrocycles. Using the nisin-controlled expression system, we heterologously expressed fully modified and functional rombocin A in Lactococcus lactis and demonstrated its selective antimicrobial activity against Listeria monocytogenes. Rombocin A uses a dual mode of action involving lipid II binding activity and dissipation of the membrane potential to kill target bacteria. Stability tests confirmed its high stability at different pH values, temperatures, and in particular, against enzymatic degradation. With its gene-encoded characteristic, rombocin A is amenable to bioengineering to generate novel derivatives. Further mutation studies led to the identification of rombocin K, a mutant with enhanced bioactivity against L. monocytogenes. Our findings suggest that rombocin A and its bioengineered variant, rombocin K, are promising candidates for development as food preservatives or antibiotics against L. monocytogenes.
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Affiliation(s)
- Longcheng Guo
- Department
of Molecular Genetics, Groningen Biomolecular Sciences and Biotechnology
Institute, University of Groningen, Groningen 9747 AG, The Netherlands
| | - Joseph Wambui
- Institute
for Food Safety and Hygiene, Vetsuisse Faculty, University of Zurich, Zurich 8057, Switzerland
| | - Chenhui Wang
- Department
of Molecular Genetics, Groningen Biomolecular Sciences and Biotechnology
Institute, University of Groningen, Groningen 9747 AG, The Netherlands
| | - Jaap Broos
- Department
of Molecular Genetics, Groningen Biomolecular Sciences and Biotechnology
Institute, University of Groningen, Groningen 9747 AG, The Netherlands
| | - Roger Stephan
- Institute
for Food Safety and Hygiene, Vetsuisse Faculty, University of Zurich, Zurich 8057, Switzerland
| | - Oscar P. Kuipers
- Department
of Molecular Genetics, Groningen Biomolecular Sciences and Biotechnology
Institute, University of Groningen, Groningen 9747 AG, The Netherlands
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14
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Wee S, Chua SL, Yu D, Koh SP, Lee KM, Wu Y, Chan SH. The detection, characterization, and quantification of dominant degradation products of nisin A and Z in selected dairy products by liquid chromatography-high-resolution mass spectrometry technique. JDS COMMUNICATIONS 2024; 5:7-12. [PMID: 38223384 PMCID: PMC10785234 DOI: 10.3168/jdsc.2023-0392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Accepted: 06/14/2023] [Indexed: 01/16/2024]
Abstract
Nisin, a bacteriocin produced through fermentation using bacterium Lactococcus lactis, has several commercial variants such as nisin A and nisin Z. Nisin serves as a natural preservative with antimicrobial properties in various food products, including dairy and beverages, for extending product shelf life. The efficacy and safety of nisin A as a bacteriocin has been well characterized. However, there is limited evidence regarding the efficacy, stability, and safety of nisin Z as a food preservative, as it has not undergone comprehensive regulatory reviews. In this work, we studied the stability of nisin A and Z in a selection of yogurt drinks and found nisin to be unstable, particularly in fruit-flavored yogurt drinks. Both nisin A and Z could experience significant degradation leading to the nisin parent ion peaks dropping below detectable level before the product's expiry date. Compared with nisin A, the formation of oxidized metabolite nisin Z+O appeared to be the predominant reaction for nisin Z. These findings highlight the need for further scientific research to understand the behavior of nisin Z under different application conditions, which is crucial for assessing the efficacy and safety of nisin Z under these conditions. One potential application of this knowledge is to optimize the formulation of yogurt-based drinks to stabilize nisin Z and sustain its biopreservative function throughout the product's shelf life. Additionally, the current study shows that for the testing of the presence of nisin A or nisin Z, it is imperative to cover both the parent and the main degradant(s) of nisin. This is especially true for nisin Z, for which the regulatory approval status may vary in different markets. As such, the confirmative identification of nisin Z and its key metabolites in commercial products would be essential.
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Affiliation(s)
- Sheena Wee
- National Centre for Food Science, Singapore Food Agency, Singapore 609919
| | - Sew Lay Chua
- National Centre for Food Science, Singapore Food Agency, Singapore 609919
| | - Dingyi Yu
- National Centre for Food Science, Singapore Food Agency, Singapore 609919
| | - Shoo Peng Koh
- National Centre for Food Science, Singapore Food Agency, Singapore 609919
| | - Kah Meng Lee
- National Centre for Food Science, Singapore Food Agency, Singapore 609919
| | - Yuansheng Wu
- National Centre for Food Science, Singapore Food Agency, Singapore 609919
| | - Sheot Harn Chan
- National Centre for Food Science, Singapore Food Agency, Singapore 609919
- Department of Food Science & Technology, National University of Singapore, Singapore 117543
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15
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Budhwani Z, Buragina JT, Lang J, Acedo JZ. Characterization of the Novel Leaderless Bacteriocin, Bawcin, from Bacillus wiedmannii. Int J Mol Sci 2023; 24:16965. [PMID: 38069290 PMCID: PMC10707071 DOI: 10.3390/ijms242316965] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Revised: 11/26/2023] [Accepted: 11/27/2023] [Indexed: 12/18/2023] Open
Abstract
The rise of drug-resistant bacteria is a major threat to public health, highlighting the urgent need for new antimicrobial compounds and treatments. Bacteriocins, which are ribosomally synthesized antimicrobial peptides produced by bacteria, hold promise as alternatives to conventional antibiotics. In this study, we identified and characterized a novel leaderless bacteriocin, bawcin, the first bacteriocin to be characterized from a Bacillus wiedmannii species. Chemically synthesized and purified bawcin was shown to be active against a broad range of Gram-positive bacteria, including foodborne pathogens Staphylococcus aureus, Bacillus cereus, and Listeria monocytogenes. Stability screening revealed that bawcin is stable over a wide range of pH (2.0-10.0), temperature conditions (25-100 °C), and against the proteases, papain and pepsin. Lastly, three-dimensional structure homology modeling suggests that bawcin contains a saposin-fold with amphipathic helices and a highly cationic surface that may be critical for membrane interaction and the subsequent cell death of its targets. This study provides the foundational understanding of the activity and properties of bawcin, offering valuable insights into its applications across different antimicrobial uses, including as a natural preservative in food and livestock industries.
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Affiliation(s)
- Zafina Budhwani
- Department of Chemistry and Physics, Mount Royal University, Calgary, AB T3E 6K6, Canada;
| | - Jenna T. Buragina
- Department of Biology, Mount Royal University, Calgary, AB T3E 6K6, Canada; (J.T.B.)
| | - Jen Lang
- Department of Biology, Mount Royal University, Calgary, AB T3E 6K6, Canada; (J.T.B.)
| | - Jeella Z. Acedo
- Department of Chemistry and Physics, Mount Royal University, Calgary, AB T3E 6K6, Canada;
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16
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Çelen T, Anumudu C, Miri T, Onyeaka H, Fernandez-Trillo P. Nisin:Carboxymethylcellulose polyion complex (PIC) nanoparticles. Preparation and antimicrobial activity. Carbohydr Polym 2023; 317:121032. [PMID: 37364941 DOI: 10.1016/j.carbpol.2023.121032] [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: 12/20/2022] [Revised: 05/02/2023] [Accepted: 05/15/2023] [Indexed: 06/28/2023]
Abstract
Nisin is a cationic antimicrobial peptide used as a natural food preservative against gram-positive bacteria. However, nisin is degraded following interaction with food components. Here, we report the first use of Carboxymethylcellulose (CMC), a versatile and affordable food additive, to protect nisin and extend its antimicrobial activity. First, we optimized the methodology by considering the effect of nisin:CMC ratio, pH, and, especially, the degree of substitution of CMC. In particular, we show here how these parameters affected the size, charge, and, notably, the encapsulation efficiency of these nanomaterials. This way, optimized formulations contained over 60 % w/w in nisin while encapsulating ∼90 % of the nisin used. We then show that these new nanomaterials inhibited the growth of Staphylococcus aureus, a major foodborne pathogen, using milk as a representative food matrix. Remarkably, this inhibitory effect was observed with one-tenth of the concentration of nisin currently used in dairy products. We believe that the combination of the affordability of CMC, flexibility and simplicity of preparation, and the ability to inhibit the growth of food pathogens, makes these nisin:CMC PIC nanoparticles an ideal platform to underpin new nisin formulations.
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Affiliation(s)
- Teyfik Çelen
- School of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK; School of Chemical Engineering, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK; Institute of Microbiology and Infection, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
| | - Christian Anumudu
- School of Chemical Engineering, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
| | - Taghi Miri
- School of Chemical Engineering, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
| | - Helen Onyeaka
- School of Chemical Engineering, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
| | - Paco Fernandez-Trillo
- School of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK; School of Chemical Engineering, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK; Departamento de Química, Facultade de Ciencias and Centro de Investigacións Científicas Avanzadas (CICA), Universidade da Coruña, 15071 A Coruña, Spain.
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17
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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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18
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Khan F, Singh P, Joshi AS, Tabassum N, Jeong GJ, Bamunuarachchi NI, Mijakovic I, Kim YM. Multiple potential strategies for the application of nisin and derivatives. Crit Rev Microbiol 2023; 49:628-657. [PMID: 35997756 DOI: 10.1080/1040841x.2022.2112650] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 07/28/2022] [Accepted: 08/09/2022] [Indexed: 12/22/2022]
Abstract
Nisin is a naturally occurring bioactive small peptide produced by Lactococcus lactis subsp. lactis and belongs to the Type A (I) lantibiotics. Due to its potent antimicrobial activity, it has been broadly employed to preserve various food materials as well as to combat a variety of microbial pathogens. The present review discusses the antimicrobial properties of nisin and different types of their derivatives employed to treat microbial pathogens with a detailed underlying mechanism of action. Several alternative strategies such as combination, conjugation, and nanoformulations have been discussed in order to address several issues such as rapid degradation, instability, and reduced activity due to the various environmental factors that arise in the applications of nisin. Furthermore, the evolutionary relationship of many nisin genes from different nisin-producing bacterial species has been investigated. A detailed description of the natural and bioengineered nisin variants, as well as the underlying action mechanisms, has also been provided. The chemistry used to apply nisin in conjugation with natural or synthetic compounds as a synergetic mode of antimicrobial action has also been thoroughly discussed. The current review will be useful in learning about recent and past research that has been performed on nisin and its derivatives as antimicrobial agents.
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Affiliation(s)
- Fazlurrahman Khan
- Marine Integrated Biomedical Technology Center, The National Key Research Institutes in Universities, Pukyong National University, Busan, Republic of Korea
- Research Center for Marine Integrated Bionics Technology, Pukyong National University, Busan, Republic of Korea
| | - Priyanka Singh
- The Novo Nordisk Foundation, Center for Biosustainability, Technical University of Denmark, Lyngby, Denmark
| | - Abhayraj S Joshi
- The Novo Nordisk Foundation, Center for Biosustainability, Technical University of Denmark, Lyngby, Denmark
| | - Nazia Tabassum
- Industry 4.0 Convergence Bionics Engineering, Pukyong National University, Busan, Republic of Korea
| | - Geum-Jae Jeong
- Department of Food Science and Technology, Pukyong National University, Busan, Republic of Korea
| | | | - Ivan Mijakovic
- The Novo Nordisk Foundation, Center for Biosustainability, Technical University of Denmark, Lyngby, Denmark
- Systems and Synthetic Biology Division, Department of Biology and Biological Engineering, Chalmers University of Technology, Gothenburg, Sweden
| | - Young-Mog Kim
- Marine Integrated Biomedical Technology Center, The National Key Research Institutes in Universities, Pukyong National University, Busan, Republic of Korea
- Research Center for Marine Integrated Bionics Technology, Pukyong National University, Busan, Republic of Korea
- Department of Food Science and Technology, Pukyong National University, Busan, Republic of Korea
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19
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Musiejuk M, Kafarski P. Engineering of Nisin as a Means for Improvement of Its Pharmacological Properties: A Review. Pharmaceuticals (Basel) 2023; 16:1058. [PMID: 37630973 PMCID: PMC10459688 DOI: 10.3390/ph16081058] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 07/17/2023] [Accepted: 07/24/2023] [Indexed: 08/27/2023] Open
Abstract
Lantibiotics are believed to have a conceivable potential to be used as therapeutics, especially against clinically resistant bacterial strains. However, their low solubility and poor stability under physiological conditions limit their availability for clinical studies and further pharmaceutical commercialization. Nisin is a readily available and cheap lanthipeptide and thus serves as a good model in the search for the tools to engineer lantibiotics with improved pharmacological properties. This review aims to address technologies that can be applied to alter and enhance the antimicrobial activity, antibacterial spectrum and physicochemical properties (solubility, solution stability and protease resistance) of nisin. There are basically two general means to obtain nisin analogs-protein engineering and chemical functionalization of this antibiotic. Although bioengineering techniques have been well developed and enable the creation of nisin mutants of variable structures and properties, they are lacking spectacular effects so far. Chemical modifications of nisin based on utilization of the reactivity of its free amino and carboxylic moieties, as well as reactivity of the double bonds of its dehydroamino acids, are in their infancy.
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Affiliation(s)
| | - Paweł Kafarski
- Faculty of Agriculture and Forestry, University of Warmia and Mazury, pl. Łódzki 4, 10-957 Olsztyn, Poland;
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20
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Brandelli A, Lopes NA, Pinilla CMB. Nanostructured Antimicrobials for Quality and Safety Improvement in Dairy Products. Foods 2023; 12:2549. [PMID: 37444286 DOI: 10.3390/foods12132549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 06/26/2023] [Accepted: 06/28/2023] [Indexed: 07/15/2023] Open
Abstract
In the food sector, one of the most important economic activities is the dairy industry, which has been facing many challenges in order to meet the increasing demand by consumers for natural and minimally processed products with high quality. In this sense, the application of innovative and emerging technologies can be an interesting alternative, for example, the use of nanotechnology in packaging and as delivery systems. This technology has the potential to improve the quality and safety of dairy products, representing an interesting approach for delivering food preservatives and improving the mechanical, barrier and functional properties of packaging. Several applications and promising results of nanostructures for dairy product preservation can be found throughout this review, including the use of metallic and polymeric nanoparticles, lipid-based nanostructures, nanofibers, nanofilms and nanocoatings. In addition, some relevant examples of the direct application of nanostructured natural antimicrobials in milk and cheese are presented and discussed, as well as the use of milk agar as a model for a preliminary test. Despite their high cost and the difficulties for scale-up, interesting results of these technologies in dairy foods and packaging materials have promoted a growing interest of the dairy industry.
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Affiliation(s)
- Adriano Brandelli
- Laboratory of Nanobiotechnology and Applied Microbiology, Department of Food Science, Federal University of Rio Grande do Sul, Porto Alegre 91501-970, Brazil
| | - Nathalie Almeida Lopes
- Laboratory of Nanobiotechnology and Applied Microbiology, Department of Food Science, Federal University of Rio Grande do Sul, Porto Alegre 91501-970, Brazil
| | - Cristian Mauricio Barreto Pinilla
- Laboratory of Nanobiotechnology and Applied Microbiology, Department of Food Science, Federal University of Rio Grande do Sul, Porto Alegre 91501-970, Brazil
- Dairy Technology Center, Institute of Food Technology, Campinas 13083-015, Brazil
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21
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Wang CK, Huang YH, Shabbir F, Pham HT, Lawrence N, Benfield AH, van der Donk W, Henriques ST, Turner MS, Craik DJ. The Circular Bacteriocin enterocin NKR-5-3B has an Improved Stability Profile over Nisin. Peptides 2023:171049. [PMID: 37390898 DOI: 10.1016/j.peptides.2023.171049] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 06/22/2023] [Accepted: 06/23/2023] [Indexed: 07/02/2023]
Abstract
Bacteriocins are a large family of bacterial peptides that have antimicrobial activity and potential applications as clinical antibiotics or food preservatives. Circular bacteriocins are a unique class of these biomolecules distinguished by a seamless circular topology, and are widely assumed to be ultra-stable based on this constraining structural feature. However, without quantitative studies of their susceptibility to defined thermal, chemical, and enzymatic conditions, their stability characteristics remain poorly understood, limiting their translational development. Here, we produced the circular bacteriocin enterocin NKR-5-3B (Ent53B) in mg/L quantities using a heterologous Lactococcus expression system, and characterized its thermal stability by NMR, chemical stability by circular dichroism and analytical HPLC, and enzymatic stability by analytical HPLC. We demonstrate that Ent53B is ultra-stable, resistant to temperatures approaching boiling, acidic (pH 2.6) and alkaline (pH 9.0) conditions, the chaotropic agent 6M urea, and following incubation with a range of proteases (i.e., trypsin, chymotrypsin, pepsin, and papain), conditions under which most peptides and proteins degrade. Ent53B is stable across a broader range of pH conditions and proteases than nisin, the most widely used bacteriocin in food manufacturing. Antimicrobial assays showed that differences in stability correlated with differences in bactericidal activity. Overall, this study provides quantitative support for circular bacteriocins being an ultra-stable class of peptide molecules, suggesting easier handling and distribution options available to them in practical applications as antimicrobial agents.
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Affiliation(s)
- Conan K Wang
- Institute for Molecular Bioscience and Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science,.
| | - Yen-Hua Huang
- Institute for Molecular Bioscience and Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science
| | - Fatima Shabbir
- Institute for Molecular Bioscience and Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science
| | - Huong T Pham
- School of Agriculture and Food Sciences, The University of Queensland, Brisbane, Queensland, 4072, Australia
| | - Nicole Lawrence
- Institute for Molecular Bioscience and Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science
| | - Aurélie H Benfield
- School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Translational Research Institute, Brisbane, QLD 4102, Australia
| | - Wilfred van der Donk
- Department of Chemistry and the Howard Hughes Medical Institute, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA
| | - Sónia T Henriques
- School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Translational Research Institute, Brisbane, QLD 4102, Australia
| | - Mark S Turner
- School of Agriculture and Food Sciences, The University of Queensland, Brisbane, Queensland, 4072, Australia
| | - David J Craik
- Institute for Molecular Bioscience and Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science
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22
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Wu J, Zang M, Wang S, Zhao B, Bai J, Xu C, Shi Y, Qiao X. Nisin: From a structural and meat preservation perspective. Food Microbiol 2023; 111:104207. [PMID: 36681394 DOI: 10.1016/j.fm.2022.104207] [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: 09/05/2022] [Revised: 12/07/2022] [Accepted: 12/09/2022] [Indexed: 12/14/2022]
Abstract
Nisin is a posttranslationally modified antimicrobial peptide that is widely used as a food preservative. It contains five cyclic thioethers of varying sizes. Nisin activity and stability are closely related to its primary and three dimensional structures. It has nine reported natural variants. Nisin A is the most studied nisin as it was the first one purified. Here, we review the sequence feature of nisin A and its natural variants, and their biosynthesis pathway, mode of action and application as a meat preservative. We systematically illustrate the functional domains of the main enzymes (NisB, NisC, and NisP) involved in nisin synthesis. NisB was shown to dehydrate its substrate NisA via a tRNA associated glutamylation mechanism. NisC catalysed the cyclization of the didehydro amino acids with the neighboring cysteine residues. After cyclization, the leader peptide is removed by the protease NisP. According to multiple sequence alignments, we detected five conserved sites Dha5, Pro9, Gly14, Leu16, and Lys22. These residues are probably the structural and functional important ones that can be modified to produce peptides versions with enhanced antimicrobial activity. Through comparing various application methods of nisin in different meats, the antimicrobial effects of nisin used individually or in combination with other natural substances were clarified.
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Affiliation(s)
- Jiajia Wu
- China Meat Research Center, Beijing Academy of Food Sciences, Beijing Key Laboratory of Meat Processing Technology, 100068, Beijing, China
| | - Mingwu Zang
- China Meat Research Center, Beijing Academy of Food Sciences, Beijing Key Laboratory of Meat Processing Technology, 100068, Beijing, China.
| | - Shouwei Wang
- China Meat Research Center, Beijing Academy of Food Sciences, Beijing Key Laboratory of Meat Processing Technology, 100068, Beijing, China
| | - Bing Zhao
- China Meat Research Center, Beijing Academy of Food Sciences, Beijing Key Laboratory of Meat Processing Technology, 100068, Beijing, China
| | - Jing Bai
- China Meat Research Center, Beijing Academy of Food Sciences, Beijing Key Laboratory of Meat Processing Technology, 100068, Beijing, China
| | - Chenchen Xu
- China Meat Research Center, Beijing Academy of Food Sciences, Beijing Key Laboratory of Meat Processing Technology, 100068, Beijing, China
| | - Yuxuan Shi
- China Meat Research Center, Beijing Academy of Food Sciences, Beijing Key Laboratory of Meat Processing Technology, 100068, Beijing, China
| | - Xiaoling Qiao
- China Meat Research Center, Beijing Academy of Food Sciences, Beijing Key Laboratory of Meat Processing Technology, 100068, Beijing, China.
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23
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Youssef O, Agún S, Fernández L, Khalil SA, Rodríguez A, García P. Impact of the calcium concentration on the efficacy of phage phiIPLA-RODI, LysRODIΔAmi and nisin for the elimination of Staphylococcus aureus during lab-scale cheese production. Int J Food Microbiol 2023; 399:110227. [PMID: 37148666 DOI: 10.1016/j.ijfoodmicro.2023.110227] [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: 02/16/2023] [Revised: 04/18/2023] [Accepted: 04/20/2023] [Indexed: 05/08/2023]
Abstract
Staphylococcus aureus is a Gram-positive human opportunistic pathogen that may also cause food poisoning because of the ability of some strains to produce heat stable enterotoxins that can persist in food even after the pathogen is successfully eliminated. In this context, biopreservation may be a forward-looking strategy to help eliminate staphylococcal contamination in dairy products by using natural compounds. However, these antimicrobials exhibit individual limitations that may be overcome by combining them. This work investigates the combination of a virulent bacteriophage, phiIPLA-RODI, a phage-derived engineered lytic protein, LysRODIΔAmi, and the bacteriocin nisin for the elimination of S. aureus during lab-scale cheese production at two CaCl2 concentrations (0.2 % and 0.02 %), and subsequent storage at two different temperatures (4 °C and 12 °C). In most of the assayed conditions, our results demonstrate that the combined action of the antimicrobials led to a greater reduction of the pathogen population than the compounds individually, albeit this effect was additive and not synergistic. However, our results did show synergy between the three antimicrobials for reducing the bacterial load after 14 days of storage at 12 °C, temperature at which there is growth of the S. aureus population. Additionally, we tested the impact of the calcium concentration on the activity of the combination treatment and observed that higher CaCl2 levels led to a notable increase in endolysin activity that allowed the utilization of approximately 10-times less protein to attain the same efficacy. Overall, our data show that the combination of LysRODIΔAmi with nisin and/or phage phiIPLA-RODI, and an increase in the calcium concentration are successful strategies to decrease the amount of protein required for the control of S. aureus contamination in the dairy sector with a low potential for resistance selection, thereby reducing costs.
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Affiliation(s)
- Olivia Youssef
- Instituto de Productos Lácteos de Asturias (IPLA-CSIC), Paseo Río Linares s/n, 33300 Villaviciosa, Asturias, Spain; DairySafe Group, Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Spain; Microbiology Department, Faculty of Veterinary Medicine, Alexandria University, Egypt; Animal Health Research Institute, Agricultural Research Center (ARC), Egypt
| | - Seila Agún
- Instituto de Productos Lácteos de Asturias (IPLA-CSIC), Paseo Río Linares s/n, 33300 Villaviciosa, Asturias, Spain; DairySafe Group, Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Spain
| | - Lucía Fernández
- Instituto de Productos Lácteos de Asturias (IPLA-CSIC), Paseo Río Linares s/n, 33300 Villaviciosa, Asturias, Spain; DairySafe Group, Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Spain.
| | - Samy A Khalil
- Microbiology Department, Faculty of Veterinary Medicine, Alexandria University, Egypt
| | - Ana Rodríguez
- Instituto de Productos Lácteos de Asturias (IPLA-CSIC), Paseo Río Linares s/n, 33300 Villaviciosa, Asturias, Spain; DairySafe Group, Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Spain
| | - Pilar García
- Instituto de Productos Lácteos de Asturias (IPLA-CSIC), Paseo Río Linares s/n, 33300 Villaviciosa, Asturias, Spain; DairySafe Group, Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Spain
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24
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Leonida MD, Benzecry A, Lozanovska B, Mahmoud Z, Reid A, Belbekhouche S. Impact of tannic acid on nisin encapsulation in chitosan particles. Int J Biol Macromol 2023; 233:123489. [PMID: 36736978 DOI: 10.1016/j.ijbiomac.2023.123489] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 01/25/2023] [Accepted: 01/27/2023] [Indexed: 02/05/2023]
Abstract
This study investigates the effect of addition of tannic acid on nisin encapsulated in chitosan matrices. Composite materials were prepared using a mild, environmentally friendly procedure, ionotropic gelation of chitosan by sodium tripolyphosphate in the presence of nisin (N) at different concentrations. In two parallel sets of preparations, tannic acid (TA) was added at 10:1 and 5:1 N:TA, respectively. The obtained particles were characterized by FTIR, SEM, size, zeta potential, encapsulation efficiency, loading capacity, and ratio of residual free amino groups. The kinetics of nisin release from the particles was studied to assess the role of TA as a potential modulator thereof. Its addition resulted in enhanced release, higher at lower N:TA ratio. An additional benefit was that TA, a strong antioxidant, imparted antioxidant activity to the composites. Antimicrobial turbidimetric tests were performed against one gram-positive bacterium (Staphylococcus aureus) and two gram-negative bacteria (Escherichia coli and Pseudomonas aeruginosa), all relevant for the food, pharmaceutical, and cosmetic industries. All the composites showed synergistic effects against all the bacteria tested. The positive coaction was stronger against the gram-negative species. This is remarkable since nisin by itself has not known activity against them.
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Affiliation(s)
- Mihaela D Leonida
- Department of Chemistry and Biochemistry, Fairleigh Dickinson University, Teaneck, NJ 07666, USA.
| | - Alice Benzecry
- Department of Chemistry and Biochemistry, Fairleigh Dickinson University, Teaneck, NJ 07666, USA
| | - Bisera Lozanovska
- Department of Chemistry and Biochemistry, Fairleigh Dickinson University, Teaneck, NJ 07666, USA
| | - Zainab Mahmoud
- Department of Chemistry and Biochemistry, Fairleigh Dickinson University, Teaneck, NJ 07666, USA
| | - Ashley Reid
- Department of Chemistry and Biochemistry, Fairleigh Dickinson University, Teaneck, NJ 07666, USA
| | - Sabrina Belbekhouche
- Université Paris Est Créteil, CNRS, Institut Chimie et Matériaux Paris Est, UMR 7182, 2 Rue Henri Dunant, 94320 Thiais, France.
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25
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Bintsis T, Papademas P. Sustainable Approaches in Whey Cheese Production: A Review. DAIRY 2023. [DOI: 10.3390/dairy4020018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023] Open
Abstract
Whey cheeses have been produced from the very early steps of cheesemaking practices as a sustainable way to utilize whey, which is the main by-product of cheesemaking. Traditional whey cheeses, manufactured with similar processes, are Ricotta, Ricotta salata or Ricottone, and Ricotta fresca in Italy; Anthotyros, Myzithra, Manouri, Xynomyzithra, and Urda in Greece; Urda in Serbia and Romania as well as in other countries such as Israel; Lor in Turkey; Anari in Cyprus; Skuta in Croatia and Serbia; Gjetost and Brunost in Norway; Mesost and Messmör in Sweden; Mysuostur in Iceland; Myseost in Denmark; Requeijão in Portugal; and Requesón in Spain and Mexico. The production of whey cheese is based on the denaturation of whey proteins by heating to 88–92 °C. The specific processing conditions and aspects of the microbiology of whey cheeses are discussed. The special characteristics of whey cheeses, which are high pH and high moisture content, make them susceptible to microbial growth. Due to the limited shelf life of these products, extended research has been carried out to extend the shelf life of whey cheese. The sustainable preservation approaches, such as modified atmosphere packaging, addition of herbs and/or plant extracts, and bio-preservation methods are reviewed. Moreover, novel whey cheeses focused on functional properties have developed during the last 10 years.
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26
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Castellano P, Melian C, Burgos C, Vignolo G. Bioprotective cultures and bacteriocins as food preservatives. ADVANCES IN FOOD AND NUTRITION RESEARCH 2023; 106:275-315. [PMID: 37722775 DOI: 10.1016/bs.afnr.2023.02.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/20/2023]
Abstract
Food preservation technologies face the challenge of extending product shelf life applying different factors to prevent the microbiological spoilage of food and inhibit/inactivate food borne pathogens maintaining or even enhancing its quality. One such preservation strategy is the application of bacteriocins or bacteriocin-producer cultures as a kind of food biopreservation. Bacteriocins are ribosomally synthesized small polypeptide molecules that exert antagonistic activity against closely related and unrelated bacteria without harming the producing strain by specific immunity proteins. This chapter aims to contribute to current knowledge about innovative natural preservative agents and their application in the food industry. Specifically, its purpose is to analyze the classification of bacteriocins from lactic acid bacteria (LAB), desirable characteristics of bacteriocins that position them in a privileged place in food biopreservation technology, their success story as well as the bacteriocinogenic LAB in various food systems. Finally, challenges and barrier strategies used to enhance the efficiency of the bacteriocins antimicrobial effect are presented in this chapter.
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Affiliation(s)
- Patricia Castellano
- Centro de Referencia para Lactobacilos (CERELA-CONICET), Tucumán, Argentina.
| | - Constanza Melian
- Centro de Referencia para Lactobacilos (CERELA-CONICET), Tucumán, Argentina
| | - Carla Burgos
- Centro de Referencia para Lactobacilos (CERELA-CONICET), Tucumán, Argentina
| | - Graciela Vignolo
- Centro de Referencia para Lactobacilos (CERELA-CONICET), Tucumán, Argentina
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27
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Santativongchai P, Tulayakul P, Jeon B. Enhancement of the Antibiofilm Activity of Nisin against Listeria monocytogenes Using Food Plant Extracts. Pathogens 2023; 12:pathogens12030444. [PMID: 36986366 PMCID: PMC10056046 DOI: 10.3390/pathogens12030444] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 03/02/2023] [Accepted: 03/09/2023] [Indexed: 03/18/2023] Open
Abstract
Listeria monocytogenes is a foodborne pathogen exhibiting a high mortality rate. In addition to the robust tolerance to environmental stress, the ability of L. monocytogenes to develop biofilms increases the risk of contaminating food processing facilities and ultimately foods. This study aims to develop a synergistic approach to better control Listeria biofilms using nisin, the only bacteriocin approved as a food preservative, in combination with gallic-acid-rich food plant extracts. Biofilm assays in the presence of nisin and gallic acid or its derivatives revealed that gallic acid significantly decreased the level of biofilm formation in L. monocytogenes, whereas ethyl gallate, propyl gallate, and lauryl gallate enhanced biofilm production. As gallic acid is widely distributed in plants, we examined whether extracts from gallic-acid-rich food plants, such as clove, chestnut, oregano, and sage, may generate similar antibiofilm effects. Remarkably, sage extracts enhanced the antibiofilm activity of nisin against L. monocytogenes; however, the other tested extracts increased biofilm formation, particularly at high concentrations. Moreover, sage extracts and nisin combinations significantly reduced the biofilm formation of L. monocytogenes on stainless steel. Sage is a common food spice and has various beneficial health effects, including antioxidation and anti-cancer properties. The findings in this study demonstrate that sage extracts can be potentially combined with nisin to prevent biofilm production in L. monocytogenes.
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Affiliation(s)
- Pitchaya Santativongchai
- Division of Environmental Health Sciences, School of Public Health, University of Minnesota, St. Paul, MN 55108, USA
- Department of Veterinary Public Health, Faculty of Veterinary Medicine, Kasetsart University, Kamphaeng Saen Campus, Nakhon Pathom 73140, Thailand
| | - Phitsanu Tulayakul
- Department of Veterinary Public Health, Faculty of Veterinary Medicine, Kasetsart University, Kamphaeng Saen Campus, Nakhon Pathom 73140, Thailand
| | - Byeonghwa Jeon
- Division of Environmental Health Sciences, School of Public Health, University of Minnesota, St. Paul, MN 55108, USA
- Correspondence:
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28
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ε-Polylysine Derived from Marine Bacteria-A Possible Natural Preservative for Raw Milk Storage. FERMENTATION-BASEL 2023. [DOI: 10.3390/fermentation9020156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
Despite the fact that researchers have been working on the preservation of raw milk at room temperature for several decades, most of the processes are limited to the use of chemical preservatives. One of the major problems of raw milk self-life is its spoilage at ambient temperature during the summer season. Therefore, in the present study, research has been conducted to control raw milk spoilage at 4 °C and 35 °C (considered in different regions’ ambient temperatures). ε-Polylysine, a natural preservative approved for food use, was isolated from the fermentation broth of Bacillus licheniformis PL26 grown in an M3G medium, and its antimicrobial preservation properties for milk applications were tested. The raw milk samples containing 0.02% w/v ε-polylysine could be stored at 4 °C for up to 16 days without spoilage, however, raw milk samples without ε-polylysine as preservative spoiled on the 8th day even at 4 °C refrigeration conditions. Raw milk containing 0.02% ε-polylysine in combination with 0.2% sodium bicarbonate (added to avoid acidification) could be stored at ambient temperature (35 °C) for up to 48 h. The changes in milk composition, especially of the casein, lactose, and fat stability, during storage under different conditions with/without ε-polylysine, were studied as well. The present study proves that ε-polylysine can be successfully used as a new biopreservative. Therefore, for the dairy industry, a natural preservative to store milk at room temperature during the summer season, replacing synthetic preservatives derived from renewable sources, can be proposed. Once again, marine bacteria seem to be one of the promising sustainable and renewable sources of biologically active compounds such as new food biopreservatives
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29
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Kamal I, Ashfaq UA, Hayat S, Aslam B, Sarfraz MH, Yaseen H, Rajoka MSR, Shah AA, Khurshid M. Prospects of antimicrobial peptides as an alternative to chemical preservatives for food safety. Biotechnol Lett 2023; 45:137-162. [PMID: 36504266 DOI: 10.1007/s10529-022-03328-w] [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: 04/05/2022] [Revised: 11/10/2022] [Accepted: 11/17/2022] [Indexed: 12/14/2022]
Abstract
Antimicrobial peptides (AMPs) are a potential alternative to antimicrobial agents that have got considerable research interest owing to their significant role in the inhibition of bacterial pathogens. These AMPs can essentially inhibit the growth and multiplication of microbes through multiple mechanisms including disruption of cellular membranes, inhibition of cell wall biosynthesis, or affecting intracellular components and cell division. Moreover, AMPs are biocompatible and biodegradable therefore, they can be a good alternative to antimicrobial agents and chemical preservatives. A few of their features for example thermostability and high selectivity are quite appealing for their potential use in the food industry for food preservation to prevent the spoilage caused by microorganisms and foodborne pathogens. Despite these advantages, very few AMPs are being used at an industrial scale for food preservation as these peptides are quite vulnerable to external environmental factors which deter their practical applications and commercialization. The review aims to provide an outline of the mechanism of action of AMPs and their prospects as an alternative to chemical preservatives in the food industry. Further studies related to the structure-activity relationship of AMPs will help to expand the understanding of their mechanism of action and to determine specific conditions to increase their stability and applicability in food preservation.
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Affiliation(s)
- Iqra Kamal
- Department of Bioinformatics and Biotechnology, Government College University, Faisalabad, Pakistan
| | - Usman Ali Ashfaq
- Department of Bioinformatics and Biotechnology, Government College University, Faisalabad, Pakistan
| | - Sumreen Hayat
- Department of Microbiology, Government College University, Faisalabad, Pakistan
| | - Bilal Aslam
- Department of Microbiology, Government College University, Faisalabad, Pakistan
| | | | - Hamna Yaseen
- Department of Bioinformatics and Biotechnology, Government College University, Faisalabad, Pakistan
| | - Muhammad Shahid Riaz Rajoka
- Laboratory of Animal Food Function, Graduate School of Agricultural Science, Tohoku University, Sendai, 980-8572, Japan
| | - Asad Ali Shah
- Department of Bioinformatics and Biotechnology, Government College University, Faisalabad, Pakistan.
| | - Mohsin Khurshid
- Department of Microbiology, Government College University, Faisalabad, Pakistan.
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30
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A review of potential antibacterial activities of nisin against Listeria monocytogenes: the combined use of nisin shows more advantages than single use. Food Res Int 2023; 164:112363. [PMID: 36737951 DOI: 10.1016/j.foodres.2022.112363] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 12/10/2022] [Accepted: 12/24/2022] [Indexed: 12/29/2022]
Abstract
Listeria monocytogenes is a foodborne pathogen causing serious public health problems. Nisin is a natural antimicrobial agent produced by Lactococcus lactis and widely used in the food industry. However, the anti-L. monocytogenes efficiency of nisin might be decreased due to natural or acquired resistance of L. monocytogenes to nisin, or complexity of the food environment. The limitation of nisin as a bacteriostatic agent in food could be improved using a combination of methods. In this review, the physiochemical characteristics, species, bioengineered mutants, and antimicrobial mechanism of nisin are reviewed. Strategies of nisin combined with other antibacterial methods, including physical, chemical, and natural substances, and nanotechnology to enhance antibacterial effect are highlighted and discussed. Additionally, the antibacterial efficiency of nisin applied in real meat, dairy, and aquatic products is evaluated and analyzed. Among the various binding treatments, the combination with natural substances is more effective than the combination with physical and chemical methods. However, the combination of nisin and nanotechnology has more potential in terms of the impact on food quality.
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31
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Biological control of pathogens in artisanal cheeses. Int Dairy J 2023. [DOI: 10.1016/j.idairyj.2023.105612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
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32
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Contesa CR, de Souza NB, Gonçalo GB, Almeida L, Manera Ziotti AP, Moraes CC. A New Bacteriocin from Latilactobacillus sakei: In vitro and In situ Application. Curr Drug Discov Technol 2023; 20:9-13. [PMID: 36330639 DOI: 10.2174/1567201820666221102095749] [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: 05/12/2022] [Revised: 08/22/2022] [Accepted: 10/06/2022] [Indexed: 06/16/2023]
Abstract
AIMS AND BACKGROUND Natural preservatives are a viable alternative to replace chemical preservatives that have potential toxicity and carcinogenic effects. OBJECTIVE To prove the effectiveness in increasing the microbiological stability of Minas Frescal cheese with the addition of a bacteriocin obtained from Latilactobacillus sakei as a natural preservative. METHODS A new broad-spectrum bacteriocin was evaluated for its functional activity in vitro and in situ when applied in the formulation of Minas Frescal cheese. A commercial bacteriocin was used as a positive control. RESULTS The inhibitory action of the bacteriocin studied was confirmed, with a reduction of 42.86% in the count of coagulase-positive Staphylococcus in relation to the negative control, at the end of the 30 days of study. For the group of thermotolerant coliforms, the bacteriocin studied showed greater efficiency than the commercial preservative. In vitro analyzes showed the inhibitory action of bacteriocin, above 87% inhibition against S. aureus, E. coli and Salmonela enteritidis, and approximately 90% against Listeria monocytogenes. CONCLUSION It was concluded that the bacteriocin produced by the Latilactobacillus sakei strain has great potential for application in foods such as Minas Frescal cheese.
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Affiliation(s)
- Camila Ramão Contesa
- Laboratory of Microbiology and Food Toxicology, Federal University of Pampa, Bagé, RS 96413170, Brazil
| | - Nathieli Bastos de Souza
- Laboratory of Microbiology and Food Toxicology, Federal University of Pampa, Bagé, RS 96413170, Brazil
| | - Guilherme Battú Gonçalo
- Laboratory of Microbiology and Food Toxicology, Federal University of Pampa, Bagé, RS 96413170, Brazil
| | - Luciano Almeida
- Laboratory of Microbiology and Food Toxicology, Federal University of Pampa, Bagé, RS 96413170, Brazil
| | - Ana Paula Manera Ziotti
- Laboratory of Microbiology and Food Toxicology, Federal University of Pampa, Bagé, RS 96413170, Brazil
| | - Caroline Costa Moraes
- Laboratory of Microbiology and Food Toxicology, Federal University of Pampa, Bagé, RS 96413170, Brazil
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33
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Bactericidal and bacteriostatic effects of sodium polyphosphate emulsifying salts on selected targets in processed cheese. Food Control 2023. [DOI: 10.1016/j.foodcont.2022.109580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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34
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Antimicrobial Active Packaging Containing Nisin for Preservation of Products of Animal Origin: An Overview. Foods 2022; 11:foods11233820. [PMID: 36496629 PMCID: PMC9735823 DOI: 10.3390/foods11233820] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 11/21/2022] [Accepted: 11/24/2022] [Indexed: 11/29/2022] Open
Abstract
The preservation of food represents one of the greatest challenges in the food industry. Active packaging materials are obtained through the incorporation of antimicrobial and/or antioxidant compounds in order to improve their functionality. Further, these materials are used for food packaging applications for shelf-life extension and fulfilling consumer demands for minimal processed foods with great quality and safety. The incorporation of antimicrobial peptides, such as nisin, has been studied lately, with a great interest applied to the food industry. Antimicrobials can be incorporated in various matrices such as nanofibers, nanoemulsions, nanoliposomes, or nanoparticles, which are further used for packaging. Despite the widespread application of nisin as an antimicrobial by directly incorporating it into various foods, the use of nisin by incorporating it into food packaging materials is researched at a much smaller scale. The researchers in this field are still in full development, being specific to the type of product studied. The purpose of this study was to present recent results obtained as a result of using nisin as an antimicrobial agent in food packaging materials, with a focus on applications on products of animal origin. The findings showed that nisin incorporated in packaging materials led to a significant reduction in the bacterial load (the total viable count or inoculated strains), maintained product attributes (physical, chemical, and sensorial), and prolonged their shelf-life.
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35
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Maurizzi E, Bigi F, Quartieri A, De Leo R, Volpelli LA, Pulvirenti A. The Green Era of Food Packaging: General Considerations and New Trends. Polymers (Basel) 2022; 14:polym14204257. [PMID: 36297835 PMCID: PMC9610407 DOI: 10.3390/polym14204257] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 09/30/2022] [Accepted: 10/05/2022] [Indexed: 11/16/2022] Open
Abstract
Recently, academic research and industries have gained awareness about the economic, environmental, and social impacts of conventional plastic packaging and its disposal. This consciousness has oriented efforts towards more sustainable materials such as biopolymers, paving the way for the “green era” of food packaging. This review provides a schematic overview about polymers and blends of them, which are emerging as promising alternatives to conventional plastics. Focus was dedicated to biopolymers from renewable sources and their applications to produce sustainable, active packaging with antimicrobial and antioxidant properties. In particular, the incorporation of plant extracts, food-waste derivatives, and nano-sized materials to produce bio-based active packaging with enhanced technical performances was investigated. According to recent studies, bio-based active packaging enriched with natural-based compounds has the potential to replace petroleum-derived materials. Based on molecular composition, the natural compounds can diversely interact with the native structure of the packaging materials, modulating their barriers, optical and mechanical performances, and conferring them antioxidant and antimicrobial properties. Overall, the recent academic findings could lead to a breakthrough in the field of food packaging, opening the gates to a new generation of packaging solutions which will be sustainable, customised, and green.
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Affiliation(s)
- Enrico Maurizzi
- Department of Life Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy
- Correspondence:
| | - Francesco Bigi
- Department of Life Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy
| | - Andrea Quartieri
- Department of Life Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy
| | - Riccardo De Leo
- Department of Life Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy
| | - Luisa Antonella Volpelli
- Department of Life Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy
- Interdepartmental Research Centre for the Improvement of Agro-Food Biological Resources (BIOGEST-SITEIA), University of Modena and Reggio Emilia, 42124 Reggio Emilia, Italy
| | - Andrea Pulvirenti
- Department of Life Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy
- Interdepartmental Research Centre for the Improvement of Agro-Food Biological Resources (BIOGEST-SITEIA), University of Modena and Reggio Emilia, 42124 Reggio Emilia, Italy
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Todorov SD, Popov I, Weeks R, Chikindas ML. Use of Bacteriocins and Bacteriocinogenic Beneficial Organisms in Food Products: Benefits, Challenges, Concerns. Foods 2022; 11:foods11193145. [PMID: 36230222 PMCID: PMC9563261 DOI: 10.3390/foods11193145] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Revised: 10/06/2022] [Accepted: 10/07/2022] [Indexed: 11/18/2022] Open
Abstract
This review’s objective was to critically revisit various research approaches for studies on the application of beneficial organisms and bacteriocins as effective biopreservatives in the food industry. There are a substantial number of research papers reporting newly isolated bacterial strains from fermented food products and their application as potential probiotics, including partial characterization of bacteriocins produced by these microorganisms. Most of these studies follow scientific community-accepted standard procedures and propose various applications of the studied strains and bacteriocins as potential biopreservatives for the food industry. A few investigations go somewhat further, performing model studies, exploring the application of expressed bacteriocins in a designed food product, or trying to evaluate the effectiveness of the studied potential probiotics and bacteriocins against foodborne pathogens. Some authors propose applications of bacteriocin producers as starter cultures and are exploring in situ bacteriocin production to aid in the effective control of foodborne pathogens. However, few studies have evaluated the possible adverse effects of bacteriocins, such as toxicity. This comes from well-documented reports on bacteriocins being mostly non-immunogenic and having low cytotoxicity because most of these proteinaceous molecules are small peptides. However, some studies have reported on bacteriocins with noticeable cytotoxicity, which may become even more pronounced in genetically engineered or modified bacteriocins. Moreover, their cytotoxicity can be very specific and is dependent on the concentration of the bacteriocin and the nature of the targeted cell. This will be discussed in detail in the present review.
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Affiliation(s)
- Svetoslav Dimitrov Todorov
- ProBacLab, Laboratório de Microbiologia de Alimentos, Departamento de Alimentos e Nutrição Experimental, Faculdade de Ciências Farmacêuticas, Universidade de São Paulo, São Paulo 05508-000, SP, Brazil
- Correspondence: ; Tel.: +359-88-9583119
| | - Igor Popov
- Center for Agrobiotechnology, Don State Technical University, 344002 Rostov-on-Don, Russia
| | - Richard Weeks
- Health Promoting Naturals Laboratory, School of Environmental and Biological Sciences, Rutgers State University, New Brunswick, NJ 08904, USA
| | - Michael Leonidas Chikindas
- Center for Agrobiotechnology, Don State Technical University, 344002 Rostov-on-Don, Russia
- Health Promoting Naturals Laboratory, School of Environmental and Biological Sciences, Rutgers State University, New Brunswick, NJ 08904, USA
- Department of General Hygiene, I.M. Sechenov First Moscow State Medical University, 119991 Moscow, Russia
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Maresca D, Mauriello G. Development of Antimicrobial Cellulose Nanofiber-Based Films Activated with Nisin for Food Packaging Applications. Foods 2022; 11:foods11193051. [PMID: 36230127 PMCID: PMC9564163 DOI: 10.3390/foods11193051] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 09/26/2022] [Accepted: 09/28/2022] [Indexed: 11/28/2022] Open
Abstract
The cellulose nanofiber (CNF) is characterized by the nano-sized (fibers with a diameter between 5 and 20 nm and a length between 2 and 10 μm), flexible and cross-linked structure that confer enhanced mechanical and gas barrier properties to cellulosic fiber-based packaging materials. The purpose of this work was to develop an antimicrobial packaging film by direct mixing nisin with CNF, followed by coating it onto polyethylene (PE), polypropylene (PP), and polylactic acid (PLA) films. The antimicrobial effectiveness of CNF-Nis+PE, CNF-Nis+PP, and CNF-Nis+PLA was investigated both in vitro end in ex vivo tests. In the latter case, challenge test experiments were carried out to investigate the antimicrobial activity of the coupled films of CNF-Nisin+PLA to inhibit the growth of Listeria innocua 1770 during the storage of a meat product. The films were active against the indicator microorganisms Brochothrix thermosphacta and Listeria innocua in in vitro test. Moreover, a reduction in the Listeria population of about 1.3 log cycles was observed immediately after the contact (T0) of the active films with hamburgers. Moreover, when the hamburgers were stored in active films, a further reduction of the Listeria population of about 1.4 log cycles was registered after 2 days of storage. After this time, even though an increase in Listeria load was observed, the trend of the Listeria population in hamburgers packed with active films was maintained significantly lower than the meat samples packed with control films during the whole storage period.
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Takhar SR, Ibarra-Sánchez LA, Miller MJ. Effect of antimicrobial treatments applied individually and in combination on the growth of Listeria monocytogenes in Queso Fresco at 3 different temperatures. JDS COMMUNICATIONS 2022; 3:307-311. [PMID: 36340902 PMCID: PMC9623663 DOI: 10.3168/jdsc.2022-0219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Accepted: 05/07/2022] [Indexed: 12/02/2022]
Abstract
A combination of antimicrobial treatments provides a more effective approach against L. monocytogenes growth in QF. PlyP100 + NIS was the most effective treatment for L. monocytogenes growth in QF. Listeria monocytogenes can grow up to dangerously high levels regardless of the storage temperature in untreated QF. EPL + LAE are good candidates to further evaluate for improving safety of QF during cold storage. Temperature abuse dramatically reduces the effectiveness of the tested antilisterials in QF.
Queso fresco (QF), a fresh soft cheese, is one of the most popular Hispanic cheeses in the United States and is frequently associated with Listeria monocytogenes outbreaks. Listeria monocytogenes can grow and thrive at room temperature as well as refrigeration temperatures. A combination of antimicrobial agents provides a larger spectrum of listeriostatic and listeriocidal activity resulting in a more effective approach toward the control of L. monocytogenes. In this study, we evaluated the efficacy of 3 Food and Drug Administration-approved generally recognized as safe (GRAS) antimicrobials, nisin (NIS), lauric arginate ethyl ester (LAE), and ε-polylysine (EPL), and the endolysin PlyP100 individually and in combination for control of L. monocytogenes in QF at 4°C, 7°C, and 10°C. Additionally, growth curves of L. monocytogenes were obtained in BHI broth and QF at these temperatures. In order for an antimicrobial to be considered a postlethality treatment for L. monocytogenes, it should not allow an increase of more than 2-log over the product's shelf life. Three treatments, PlyP100, PlyP100 + NIS, and EPL + LAE, effectively kept the pathogen below the 2 log growth threshold at 4°C. However, at 7°C and 10°C, none of the antimicrobial treatments could inhibit L. monocytogenes growth (i.e., <2 log). Overall, our results suggest the importance of considering the effect of cold storage temperatures above 4°C on the antilisterial efficacy of antimicrobial treatments in QF.
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Fusieger A, da Silva RR, de Jesus Silva SR, Honorato JA, Teixeira CG, Souza LV, Magalhães INS, da Silva Costa NA, Walter A, Nero LA, Caggia C, de Carvalho AF. Inhibitory activity of an emulsifying salt polyphosphate (JOHA HBS®) used in processed cheese: An in vitro analysis of its antibacterial potential. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2022.113777] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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40
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Webb L, Ma L, Lu X. Impact of lactic acid bacteria on the control of Listeria monocytogenes in ready-to-eat foods. FOOD QUALITY AND SAFETY 2022. [DOI: 10.1093/fqsafe/fyac045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Abstract
Due to the increased demand for ready-to-eat (RTE) minimally processed foods, alternatives to chemical and thermal preservation methods to maintain food safety are highly demanded. A significant safety hazard in RTE food products is the growth of the foodborne pathogen Listeria monocytogenes. After processing, recontamination or cross-contamination of L. monocytogenes in RTE food products may occur and the lack of cooking can lead to an increased risk of listeriosis. Further, some RTE food products (e.g., cheese and cured meat) can have a long processing period and shelf life, thus allowing for the growth and proliferation of L. monocytogenes in the food matrix. Lactic acid bacteria (LAB) are generally recognized as safe (GRAS) probiotics and have been proposed as a biological control approach to eliminate foodborne pathogens including L. monocytogenes. LAB have been reported to extend the shelf life of food products and inhibit pathogen proliferation via growth competition and metabolite production. LAB are native microflora of many RTE foods, but only certain LAB may inhibit pathogen growth. Therefore, specificity of LAB species should be employed into their use in RTE foods. This review will discuss the antimicrobial mechanisms of LAB against L. monocytogenes, selective use of LAB in food matrices, and their uses in food processing and packaging.
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Affiliation(s)
- Laura Webb
- Department of Food Science and Agricultural Chemistry, Faculty of Agricultural and Environmental Sciences, McGill University , Sainte-Anne-de-Bellevue, QC, Canada
| | - Luyao Ma
- Department of Food Science and Agricultural Chemistry, Faculty of Agricultural and Environmental Sciences, McGill University , Sainte-Anne-de-Bellevue, QC, Canada
| | - Xiaonan Lu
- Department of Food Science and Agricultural Chemistry, Faculty of Agricultural and Environmental Sciences, McGill University , Sainte-Anne-de-Bellevue, QC, Canada
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41
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Zheng Y, Du Y, Qiu Z, Liu Z, Qiao J, Li Y, Caiyin Q. Nisin Variants Generated by Protein Engineering and Their Properties. Bioengineering (Basel) 2022; 9:bioengineering9060251. [PMID: 35735494 PMCID: PMC9219921 DOI: 10.3390/bioengineering9060251] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Revised: 05/28/2022] [Accepted: 06/08/2022] [Indexed: 02/07/2023] Open
Abstract
Nisin, a typical lantibiotic, has robust antimicrobial activity combined with limited cytotoxicity, and the development of resistance to it is slow. These properties make nisin a promising antimicrobial agent to control pathogenic microorganisms in dairy foods. However, its low solubility, poor stability and short half-life at neutral pH limit its application within the dairy industry. Protein engineering technology has revealed the potential of modifying nisin to improve its properties, and many valuable variants have emerged. This review summarizes progress in the generation of nisin variants for the dairy industry and for other purposes. These nisin variants with additional modification have improved properties and can even expand the inhibition spectrum range of nisin. Nisin, as the most thoroughly studied lantibiotic, and its variants can also guide the modification of other lantibiotics.
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Affiliation(s)
- Yue Zheng
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China; (Y.Z.); (Z.Q.); (Z.L.); (J.Q.); (Y.L.)
- Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300072, China
- Key Laboratory of Systems Bioengineering, Ministry of Education, Tianjin 300072, China
| | - Yuhui Du
- MOE International Joint Research Laboratory on Synthetic Biology and Medicines, School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China;
| | - Zekai Qiu
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China; (Y.Z.); (Z.Q.); (Z.L.); (J.Q.); (Y.L.)
- Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300072, China
- Key Laboratory of Systems Bioengineering, Ministry of Education, Tianjin 300072, China
| | - Ziming Liu
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China; (Y.Z.); (Z.Q.); (Z.L.); (J.Q.); (Y.L.)
- Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300072, China
- Key Laboratory of Systems Bioengineering, Ministry of Education, Tianjin 300072, China
| | - Jianjun Qiao
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China; (Y.Z.); (Z.Q.); (Z.L.); (J.Q.); (Y.L.)
- Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300072, China
- Key Laboratory of Systems Bioengineering, Ministry of Education, Tianjin 300072, China
| | - Yanni Li
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China; (Y.Z.); (Z.Q.); (Z.L.); (J.Q.); (Y.L.)
- Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300072, China
- Key Laboratory of Systems Bioengineering, Ministry of Education, Tianjin 300072, China
| | - Qinggele Caiyin
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China; (Y.Z.); (Z.Q.); (Z.L.); (J.Q.); (Y.L.)
- Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300072, China
- Key Laboratory of Systems Bioengineering, Ministry of Education, Tianjin 300072, China
- Correspondence:
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42
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Ionic Strength of Methylcellulose-Based Films: An Alternative for Modulating Mechanical Performance and Hydrophobicity for Potential Food Packaging Application. POLYSACCHARIDES 2022. [DOI: 10.3390/polysaccharides3020026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The growing environmental concern with the inappropriate disposal of conventional plastics has driven the development of eco-friendly food packaging. However, the intrinsic characteristics of polymers of a renewable origin, e.g., poor mechanical properties, continue to render their practical application difficult. For this, the present work studied the influence of ionic strength (IS) from 0 to 500 mM to modulate the physicochemical properties of methylcellulose (MC). Moreover, for protection against biological risks, Nisin-Z was incorporated into MC’s polymeric matrices, providing an active function. The incorporation of salts (LiCl and MgCl2) promoted an increase in the equilibrium moisture content in the polymer matrix, which in turn acted as a plasticizing agent. In this way, films with a hydrophobic surface (98°), high true strain (85%), and low stiffness (1.6 mPa) can be manufactured by addition of salts, modulating the IS to 500 mM. Furthermore, films with an IS of 500 mM, established with LiCl, catalyzed antibacterial activity against E. coli, conferring synergism and extending protection against biological hazards. Therefore, we demonstrated that the IS control of MC dispersion presents a new alternative to achieve films with the synergism of antibacterial activity against Gram-negative bacteria in addition to flexibility, elasticity, and hydrophobicity required in various applications in food packaging.
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43
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Verma DK, Thakur M, Singh S, Tripathy S, Gupta AK, Baranwal D, Patel AR, Shah N, Utama GL, Niamah AK, Chávez-González ML, Gallegos CF, Aguilar CN, Srivastav PP. Bacteriocins as antimicrobial and preservative agents in food: Biosynthesis, separation and application. FOOD BIOSCI 2022. [DOI: 10.1016/j.fbio.2022.101594] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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44
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Wang Y, Wei Y, Shang N, Li P. Synergistic Inhibition of Plantaricin E/F and Lactic Acid Against Aeromonas hydrophila LPL-1 Reveals the Novel Potential of Class IIb Bacteriocin. Front Microbiol 2022; 13:774184. [PMID: 35242114 PMCID: PMC8886044 DOI: 10.3389/fmicb.2022.774184] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2021] [Accepted: 01/04/2022] [Indexed: 01/15/2023] Open
Abstract
Plantaricin E/F (PlnEF) is a pair of two-component class IIb bacteriocin produced by lactic acid bacteria. PlnEF commonly displays potent antimicrobial activity against certain Gram-positive organisms. In this study, we investigated the synergistic activity of PlnEF combined with lactic acid against Gram-negative food and aquaculture potential pathogen Aeromonas hydrophila LPL-1, which is naturally resistant to PlnEF. We applied SDS-PAGE, wavelength-scanning, laser confocal microscopy, flow cytometer, scanning electron microscopy (SEM), transmission electron microscopy (TEM), and two-dimensional electrophoresis to investigate their synergistic inhibitory activities. The results showed that L-lactic acid drove the release of LPS from A. hydrophila, making it possible for PlnEF to contact the inner cell membrane of A. hydrophila. Besides, co-treatment of lactic acid and PlnEF caused severe morphological and intracellular changes of A. hydrophila, including blebs on the cell surface, abnormal cell elongation, inner membrane disruption, pore-forming through the outer and inner membrane, coagulation of the cytoplasm, and structural transformation of DNA. Protein profile analysis revealed that combined treatment of lactic acid and PlnEF inhibited the energy metabolism, protein synthesis, protein folding, and DNA replication in A. hydrophila. These findings proved that PlnEF combined with lactic acid was efficient against A. hydrophila and shed light on bacteriocin’s potential and a new inhibition mechanism against A. hydrophila.
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Affiliation(s)
- Yang Wang
- Beijing Laboratory for Food Quality and Safety, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China.,Tianjin Key Laboratory of Aqua-Ecology and Aquaculture College of Fisheries, Tianjin Agricultural University, Tianjin, China
| | - Yunlu Wei
- Beijing Laboratory for Food Quality and Safety, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China.,School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, China
| | - Nan Shang
- College of Engineering, China Agricultural University, Beijing, China.,Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing, China
| | - Pinglan Li
- Beijing Laboratory for Food Quality and Safety, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China.,Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing, China
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45
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Combined use of bacteriocins and bacteriophages as food biopreservatives. A review. Int J Food Microbiol 2022; 368:109611. [DOI: 10.1016/j.ijfoodmicro.2022.109611] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 02/14/2022] [Accepted: 03/01/2022] [Indexed: 11/22/2022]
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46
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García A, Iturmendi N, Maté JI, Fernández-García T. Combined effect of nisin addition and high pressure processing on the stability of liquid micellar casein concentrates. Int Dairy J 2022. [DOI: 10.1016/j.idairyj.2022.105361] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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47
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Muchaamba F, Wambui J, Stephan R, Tasara T. Cold Shock Proteins Promote Nisin Tolerance in Listeria monocytogenes Through Modulation of Cell Envelope Modification Responses. Front Microbiol 2022; 12:811939. [PMID: 35003042 PMCID: PMC8740179 DOI: 10.3389/fmicb.2021.811939] [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: 11/09/2021] [Accepted: 11/24/2021] [Indexed: 12/03/2022] Open
Abstract
Listeria monocytogenes continues to be a food safety challenge owing to its stress tolerance and virulence traits. Several listeriosis outbreaks have been linked to the consumption of contaminated ready-to-eat food products. Numerous interventions, including nisin application, are presently employed to mitigate against L. monocytogenes risk in food products. In response, L. monocytogenes deploys several defense mechanisms, reducing nisin efficacy, that are not yet fully understood. Cold shock proteins (Csps) are small, highly conserved nucleic acid-binding proteins involved in several gene regulatory processes to mediate various stress responses in bacteria. L. monocytogenes possesses three csp gene paralogs; cspA, cspB, and cspD. Using a panel of single, double, and triple csp gene deletion mutants, the role of Csps in L. monocytogenes nisin tolerance was examined, demonstrating their importance in nisin stress responses of this bacterium. Without csp genes, a L. monocytogenes ΔcspABD mutant displayed severely compromised growth under nisin stress. Characterizing single (ΔcspA, ΔcspB, and ΔcspD) and double (ΔcspBD, ΔcspAD, and ΔcspAB) csp gene deletion mutants revealed a hierarchy (cspD > cspB > cspA) of importance in csp gene contributions toward the L. monocytogenes nisin tolerance phenotype. Individual eliminations of either cspA or cspB improved the nisin stress tolerance phenotype, suggesting that their expression has a curbing effect on the expression of nisin resistance functions through CspD. Gene expression analysis revealed that Csp deficiency altered the expression of DltA, MprF, and penicillin-binding protein-encoding genes. Furthermore, the ΔcspABD mutation induced an overall more electronegative cell surface, enhancing sensitivity to nisin and other cationic antimicrobials as well as the quaternary ammonium compound disinfectant benzalkonium chloride. These observations demonstrate that the molecular functions of Csps regulate systems important for enabling the constitution and maintenance of an optimal composed cell envelope that protects against cell-envelope-targeting stressors, including nisin. Overall, our data show an important contribution of Csps for L. monocytogenes stress protection in food environments where antimicrobial peptides are used. Such knowledge can be harnessed in the development of better L. monocytogenes control strategies. Furthermore, the potential that Csps have in inducing cross-protection must be considered when combining hurdle techniques or using them in a series.
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Affiliation(s)
- Francis Muchaamba
- Institute for Food Safety and Hygiene, Vetsuisse Faculty University of Zürich, Zurich, Switzerland
| | - Joseph Wambui
- Institute for Food Safety and Hygiene, Vetsuisse Faculty University of Zürich, Zurich, Switzerland
| | - Roger Stephan
- Institute for Food Safety and Hygiene, Vetsuisse Faculty University of Zürich, Zurich, Switzerland
| | - Taurai Tasara
- Institute for Food Safety and Hygiene, Vetsuisse Faculty University of Zürich, Zurich, Switzerland
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Fabrication of zein-modified starch nanoparticle complexes via microfluidic chip and encapsulation of nisin. Curr Res Food Sci 2022; 5:1110-1117. [PMID: 35865806 PMCID: PMC9294254 DOI: 10.1016/j.crfs.2022.07.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 06/16/2022] [Accepted: 07/04/2022] [Indexed: 11/30/2022] Open
Abstract
A microfluidic chip is a micro-reactor that precisely manipulates and controls fluids. Zein is a group of prolamines extracted from corn that can form self-assembled nanoparticles in water or a low concentration of ethanol in a microfluidic chip. However, the zein nanoparticles have stability issues, especially in a neutral pH environment due to the proximity of the isoelectric point. This study was designed 1) to evaluate the effect of octenyl succinic anhydride (OSA) modified starch on the stability of zein nanoparticles formed using a microfluidic chip and 2) to apply the zein-OSA starch for encapsulation of nisin and evaluate its anti-microbial activity in a model food matrix. A T-junction configuration of the microfluidic chip was used to fabricate the zein nanoparticles using 1% or 2% zein solution and 0–10% (w/w) of OSA starch solution. The stability of the nanoparticles in various ionic strength environments was assessed. Encapsulation efficiency and anti-microbial activity of nisin in the zein nanoparticles against Listeria monocytogenes in a fresh cheese were measured. As the concentration of OSA starch increased from 0 to 10%, effective diameter increased from 117.8 ± 14.5 to 198.7 ± 13.9 nm without affecting polydispersity indexes and zeta-potential changed toward that of the modified starch indicating the zein surface coverage by the OSA starch. The zein-OSA starch nanoparticle complexes were more stable at various sodium chloride concentrations than the zein nanoparticles without OSA starch. The encapsulation efficiency of nisin was positively correlated with the OSA starch concentration. The anti-microbial activity of nisin in the fresh cheese also increased until 3-days of storage as the concentration of the OSA starch increased, which presented both a potential and challenge toward applications. Microfluidic chip formed zein nanoparticles with OSA-modified starch. Zein nanoparticle size and stability were affected by zein and modified starch concentration. Nisin was encapsulated in the zein nanoparticles via microfluidic chip. Anti-microbial activity of nisin was improved by the encapsulation.
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49
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Settier-Ramírez L, López-Carballo G, Gavara R, Hernández-Muñoz P. Effect of casein hydrolysates on the survival of protective cultures of Lactococcus lactis and Lactobacillus sakei in PVOH films. Food Hydrocoll 2021. [DOI: 10.1016/j.foodhyd.2021.107012] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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50
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Abstract
The growing interest in the consumption and study of traditionally fermented food worldwide has led to the development of numerous scientific investigations that have focused on analyzing the microbial and nutritional composition and the health effects derived from the consumption of these foods. Traditionally fermented foods and beverages are a significant source of nutrients, including proteins, essential fatty acids, soluble fiber, minerals, vitamins, and some essential amino acids. Additionally, fermented foods have been considered functional due to their prebiotic content, and the presence of specific lactic acid bacterial strains (LAB), which have shown positive effects on the balance of the intestinal microbiota, providing a beneficial impact in the treatment of diseases. This review presents a bibliographic compilation of scientific studies assessing the effect of the nutritional content and LAB profile of traditional fermented foods on different conditions such as obesity, diabetes, and gastrointestinal disorders.
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