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Kang H, Lee J, Moon J, Lee T, Kim J, Jeong Y, Lim EK, Jung J, Jung Y, Lee SJ, Lee KG, Ryu S, Kang T. Multiplex Detection of Foodborne Pathogens using 3D Nanostructure Swab and Deep Learning-Based Classification of Raman Spectra. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2308317. [PMID: 38564785 DOI: 10.1002/smll.202308317] [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: 09/20/2023] [Revised: 03/14/2024] [Indexed: 04/04/2024]
Abstract
Proactive management of foodborne illness requires routine surveillance of foodborne pathogens, which requires developing simple, rapid, and sensitive detection methods. Here, a strategy is presented that enables the detection of multiple foodborne bacteria using a 3D nanostructure swab and deep learning-based Raman signal classification. The nanostructure swab efficiently captures foodborne pathogens, and the portable Raman instrument directly collects the Raman signals of captured bacteria. a deep learning algorithm has been demonstrated, 1D convolutional neural network with binary labeling, achieves superior performance in classifying individual bacterial species. This methodology has been extended to mixed bacterial populations, maintaining accuracy close to 100%. In addition, the gradient-weighted class activation mapping method is used to provide an investigation of the Raman bands for foodborne pathogens. For practical application, blind tests are conducted on contaminated kitchen utensils and foods. The proposed technique is validated by the successful detection of bacterial species from the contaminated surfaces. The use of a 3D nanostructure swab, portable Raman device, and deep learning-based classification provides a powerful tool for rapid identification (≈5 min) of foodborne bacterial species. The detection strategy shows significant potential for reliable food safety monitoring, making a meaningful contribution to public health and the food industry.
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Affiliation(s)
- Hyunju Kang
- Bionanotechnology Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), 125 Gwahak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Junhyeong Lee
- Department of Mechanical Engineering, KAIST, 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Jeong Moon
- Bionanotechnology Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), 125 Gwahak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
- Department of Biomedical Engineering, University of Connecticut Health Center, Farmington, CT, 06032, USA
| | - Taegu Lee
- Department of Mechanical Engineering, KAIST, 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Jueun Kim
- Department of Energy Resources and Chemical Engineering, Kangwon National University, 346 Jungang-ro, Samcheok, Gangwon-do, 25913, Republic of Korea
- Division of Nano-Bio Sensors/Chips Development, National NanoFab Center (NNFC), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Yeonwoo Jeong
- Bionanotechnology Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), 125 Gwahak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Eun-Kyung Lim
- Bionanotechnology Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), 125 Gwahak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
- Department of Nanobiotechnology, KRIBB School of Biotechnology, University of Science and Technology (UST), 217 Gajeong-ro, Yuseong-gu, Daejeon, 34113, Republic of Korea
- School of Pharmacy, Sungkyunkwan University (SKKU), 2066 Seobu-ro, Suwon, Gyeonggi-do, 16419, Republic of Korea
| | - Juyeon Jung
- Bionanotechnology Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), 125 Gwahak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
- School of Pharmacy, Sungkyunkwan University (SKKU), 2066 Seobu-ro, Suwon, Gyeonggi-do, 16419, Republic of Korea
| | - Yongwon Jung
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Seok Jae Lee
- Division of Nano-Bio Sensors/Chips Development, National NanoFab Center (NNFC), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Kyoung G Lee
- Division of Nano-Bio Sensors/Chips Development, National NanoFab Center (NNFC), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Seunghwa Ryu
- Department of Mechanical Engineering, KAIST, 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Taejoon Kang
- Bionanotechnology Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), 125 Gwahak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
- School of Pharmacy, Sungkyunkwan University (SKKU), 2066 Seobu-ro, Suwon, Gyeonggi-do, 16419, Republic of Korea
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Williams A, Gaoh SD, Savenka A, Paredes A, Alusta P, Ahn Y, Buzatu DA. A flow cytometric assay to detect viability and persistence of Salmonella enterica subsp. enterica serotypes in nuclease-free water at 4 and 25°C. Front Microbiol 2024; 15:1342478. [PMID: 38435692 PMCID: PMC10906097 DOI: 10.3389/fmicb.2024.1342478] [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: 11/21/2023] [Accepted: 02/05/2024] [Indexed: 03/05/2024] Open
Abstract
Salmonella spp. is one of the most isolated microorganisms reported to be responsible for human foodborne diseases and death. Water constitutes a major reservoir where the Salmonella spp. can persist and go undetected when present in low numbers. In this study, we assessed the viability of 12 serotypes of Salmonella enterica subsp. enterica for 160 days in nuclease-free water at 4 and 25°C using flow cytometry and Tryptic Soy Agar (TSA) plate counts. The results show that all 12 serotypes remain viable after 160 days in distilled water using flow cytometry, whereas traditional plate counts failed to detect ten serotypes incubated at 25°C. Moreover, the findings demonstrate that 4°C constitutes a more favorable environment where Salmonella can remain viable for prolonged periods without nutrients. Under such conditions, however, Salmonella exhibits a higher susceptibility to all tested antibiotics and benzalkonium chloride (BZK). The pre-enrichment with Universal Pre-enrichment Broth (UP) and 1/10 × Tryptic Soy broth (1/10 × TSB) resuscitated all tested serotypes on TSA plates, nevertheless cell size decreased after 160 days. Furthermore, phenotype microarray (PM) analysis of S. Inverness and S. Enteritidis combined with principal component analysis (PCA) revealed an inter-individual variability in serotypes with their phenotype characteristics, and the impact of long-term storage at 4 and 25°C for 160 days in nuclease-free water. This study provides an insight to Salmonella spp. long-term survivability at different temperatures and highlights the need for powerful tools to detect this microorganism to reduce the risk of disease transmission of foodborne pathogens via nuclease-free water.
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Affiliation(s)
- Anna Williams
- Division of Systems Biology, National Center for Toxicological Research, U.S. Food and Drug Administration, Jefferson, AR, United States
| | - Soumana Daddy Gaoh
- Division of Microbiology, National Center for Toxicological Research, U.S. Food and Drug Administration, Jefferson, AR, United States
| | - Alena Savenka
- Office of Scientific Research, Nanotechnology Branch, National Center for Toxicological Research, U.S. Food and Drug Administration, Jefferson, AR, United States
| | - Angel Paredes
- Office of Scientific Research, Nanotechnology Branch, National Center for Toxicological Research, U.S. Food and Drug Administration, Jefferson, AR, United States
| | - Pierre Alusta
- Division of Systems Biology, National Center for Toxicological Research, U.S. Food and Drug Administration, Jefferson, AR, United States
| | - Youngbeom Ahn
- Division of Microbiology, National Center for Toxicological Research, U.S. Food and Drug Administration, Jefferson, AR, United States
| | - Dan A. Buzatu
- Division of Systems Biology, National Center for Toxicological Research, U.S. Food and Drug Administration, Jefferson, AR, United States
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Tian L, Sun L, Gao B, Li F, Li C, Wang R, Liu Y, Li X, Niu L, Zhang Z. Dual functionalized copper nanoparticles for thermoplastics with improved processing and mechanical properties and superior antibacterial performance. NANOSCALE 2024; 16:1320-1330. [PMID: 38131293 DOI: 10.1039/d3nr04548j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
The utilization of metal nanoparticles for antibacterial thermoplastic composites has the potential to enhance the safety of human and animal life by mitigating the spread and transmission of foodborne pathogenic bacteria. The dispersion, antioxidant and antimicrobial activities of metal nanoparticles directly affect the application performance of the composites. This study focused on achieving amine-carboxyl co-modified copper nanoparticles (Cu-AC) with excellent antioxidant properties and monodispersity through in situ grafting of amine and carboxyl groups onto the surface of copper nanoparticles via ligand interaction. Polyacrylic acid's extended carbon chain structure was utilized to improve its dispersion and antioxidant properties, and its antibacterial properties were synergistically enhanced using secondary amines. It was found that Cu-AC possesses high antibacterial properties, with a minimum inhibition concentration of 0.156 mg mL-1. Antibacterial masterbatches and their composites (polypropylene/Cu) manufactured by melt blending of polypropylene and Cu-AC exhibited excellent antibacterial rates of up to 90% and 99% at 300 ppm and 700 ppm Cu-AC, respectively. Additionally, Cu-AC bolstered the thermal degradation, processing and mechanical properties of polypropylene. The successful implementation of this product substantiates the potential applications of polypropylene/Cu composite materials across diverse industries.
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Affiliation(s)
- Lulu Tian
- Engineering Research Center for Nanomaterials, Henan University, Kaifeng 475004, China.
- Engineering Research Center for Nanomaterials Co., Ltd, Henan University, Jiyuan 459000, China
| | - Li Sun
- Engineering Research Center for Nanomaterials, Henan University, Kaifeng 475004, China.
| | - Bo Gao
- Engineering Research Center for Nanomaterials, Henan University, Kaifeng 475004, China.
| | - Fei Li
- Engineering Research Center for Nanomaterials, Henan University, Kaifeng 475004, China.
| | - Chaoran Li
- State Key Laboratory of Crop Stress Adaptation and Improvement, Henan University, Kaifeng 75004, China
| | - Ruoyu Wang
- Zhengzhou Lingyu New Material Co., Ltd, Zhengzhou 450100, China
| | - Yanfang Liu
- Zhengzhou Lingyu New Material Co., Ltd, Zhengzhou 450100, China
| | - Xiaohong Li
- Engineering Research Center for Nanomaterials, Henan University, Kaifeng 475004, China.
- Engineering Research Center for Nanomaterials Co., Ltd, Henan University, Jiyuan 459000, China
| | - Liyong Niu
- Engineering Research Center for Nanomaterials, Henan University, Kaifeng 475004, China.
- Engineering Research Center for Nanomaterials Co., Ltd, Henan University, Jiyuan 459000, China
| | - Zhijun Zhang
- Engineering Research Center for Nanomaterials, Henan University, Kaifeng 475004, China.
- Engineering Research Center for Nanomaterials Co., Ltd, Henan University, Jiyuan 459000, China
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Du ZH, Zhong JP, Liu Y, Li JQ. Prokaryotic virus host prediction with graph contrastive augmentaion. PLoS Comput Biol 2023; 19:e1011671. [PMID: 38039280 PMCID: PMC10691718 DOI: 10.1371/journal.pcbi.1011671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 11/07/2023] [Indexed: 12/03/2023] Open
Abstract
Prokaryotic viruses, also known as bacteriophages, play crucial roles in regulating microbial communities and have the potential for phage therapy applications. Accurate prediction of phage-host interactions is essential for understanding the dynamics of these viruses and their impacts on bacterial populations. Numerous computational methods have been developed to tackle this challenging task. However, most existing prediction models can be constrained due to the substantial number of unknown interactions in comparison to the constrained diversity of available training data. To solve the problem, we introduce a model for prokaryotic virus host prediction with graph contrastive augmentation (PHPGCA). Specifically, we construct a comprehensive heterogeneous graph by integrating virus-virus protein similarity and virus-host DNA sequence similarity information. As the backbone encoder for learning node representations in the virus-prokaryote graph, we employ LGCN, a state-of-the-art graph embedding technique. Additionally, we apply graph contrastive learning to augment the node representations without the need for additional labels. We further conducted two case studies aimed at predicting the host range of multi-species phages, helping to understand the phage ecology and evolution.
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Affiliation(s)
- Zhi-Hua Du
- College of Computer Science and Software Engineering, Shenzhen University, Shenzhen, Guang-dong, China
| | - Jun-Peng Zhong
- College of Computer Science and Software Engineering, Shenzhen University, Shenzhen, Guang-dong, China
| | - Yun Liu
- College of Computer Science and Software Engineering, Shenzhen University, Shenzhen, Guang-dong, China
| | - Jian-Qiang Li
- College of Computer Science and Software Engineering, Shenzhen University, Shenzhen, Guang-dong, China
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Ferdous J, Uddin MH, Mahmud R, Hennessey M, Al Sattar A, Das Gupta S, Gibson JS, Alders R, Henning J, Fournié G, Hoque MA. Mapping of dressed and processed poultry products in Bangladesh: Identifying the food safety risks for policy intervention. Vet Res Commun 2023; 47:1991-2002. [PMID: 37369943 DOI: 10.1007/s11259-023-10153-7] [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: 03/03/2023] [Accepted: 06/14/2023] [Indexed: 06/29/2023]
Abstract
Bangladesh's commercial poultry production is growing rapidly, including the commercial processing of poultry. This expansion of poultry processing plants is fueled by the belief that this sub-sector provides safer food and has less food-borne disease risks compared to traditional live bird markets (LBMs). The purpose of this study is to describe Bangladesh's dressed and processed poultry production and distribution network (PDN), identify what and where quality control occurs, and suggest where improvements could be made. Engaging with PDN for dressed and processed poultry, we used in-depth interviews with key informants to identify the stakeholders involved and their connections with other poultry PDNs. In addition, we mapped out the supply and distribution of dressed and processed poultry and quality control processes occurring throughout the network. We argue that dressed and processed poultry PDNs are closely connected with traditional PDNs such as LBMs, with multiple crossover points between them. Also, there is a lack of consistency in quality control testing and a lack of meat traceability. Consequently, perceptions of dressed and processed poultry being safer than birds from LBMs needs to be treated with caution. Otherwise, unsubstantiated consumer confidence in dressed poultry may inadvertently increase the risk of food-borne diseases from these products.
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Affiliation(s)
- Jinnat Ferdous
- School of Veterinary Science, The University of Queensland, Queensland, Australia.
| | - Md Helal Uddin
- Chattogram Veterinary and Animal Sciences University, Chittagong, Bangladesh
| | - Rashed Mahmud
- Chattogram Veterinary and Animal Sciences University, Chittagong, Bangladesh
| | - Mathew Hennessey
- Veterinary Epidemiology, Economics and Public Health Group, Department of Pathobiology and Population Sciences, Royal Veterinary College, London, UK
| | - Abdullah Al Sattar
- Chattogram Veterinary and Animal Sciences University, Chittagong, Bangladesh
| | - Suman Das Gupta
- School of Veterinary Science, The University of Queensland, Queensland, Australia
- Gulbali Institute, Charles Sturt University, Wagga Wagga, NSW, Australia
| | - Justine S Gibson
- School of Veterinary Science, The University of Queensland, Queensland, Australia
| | - Robyn Alders
- Development Policy Centre, Australian National University, Canberra, NSW, Australia
- Global Health Program, Chatham House, London, UK
| | - Joerg Henning
- School of Veterinary Science, The University of Queensland, Queensland, Australia
| | - Guillaume Fournié
- Veterinary Epidemiology, Economics and Public Health Group, Department of Pathobiology and Population Sciences, Royal Veterinary College, London, UK
- INRAE, VetAgro Sup, UMR EPIA, Université de Lyon, Marcy l'Etoile, 69280, France
- INRAE, VetAgro Sup, UMR EPIA, Université Clermont Auvergne, Saint Genes Champanelle, 63122, France
| | - Md Ahasanul Hoque
- Chattogram Veterinary and Animal Sciences University, Chittagong, Bangladesh
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Singh PP, Jaiswal AK, Raghuvanshi TS, Prakash B. Insights into the antimicrobial efficacy of Coleus aromaticus essential oil against food-borne microbes: Biochemical and molecular simulation approaches. Food Chem Toxicol 2023; 182:114111. [PMID: 37890759 DOI: 10.1016/j.fct.2023.114111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 09/19/2023] [Accepted: 10/16/2023] [Indexed: 10/29/2023]
Abstract
The study reported the antimicrobial efficacy of chemically characterized Coleus aromaticus essential oil (CEO) against food-borne bacteria, molds (Aspergillus flavus), aflatoxin B1 (AFB1) and explored its mechanism of action using biochemical and molecular simulation approaches. The chemical profile of CEO was explored by Gas chromatography-mass spectrometry (GC-MS) analysis, which revealed thymol (46.0%) as the major compound. The minimum inhibitory concentration values of CEO for bacterial species Escherichia coli, Salmonella enterica, Bacillus cereus, and Shigella flexneri was found to be 0.9 μl/ml, 0.7 μl/ml, 0.16 μl/ml, and 0.12 μl/ml respectively. The MIC value for A. flavus and AFB1 contamination was 0.6 μl/ml. The DPPH radical scavenging activity of CEO was recorded with IC50 0.32 μl/ml. Biochemical and computational approaches (docking and dynamics simulation) have been performed to explore the multi-faceted antimicrobial inhibitory effects of CEO at the molecular level, which shows the impairment in membrane functioning, leakage of cellular contents, release of 260-nm absorbing materials, antioxidative defense, carbon catabolism and vital genes (7AP3, Nor1, Omt1, and Vbs). The findings indicated that CEO could be used as natural antimicrobial agents against food-spoilage bacteria, A. flavus and AFB1 contamination to extend the shelf-life of food product and prevention of food-borne diseases.
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Affiliation(s)
- Prem Pratap Singh
- Centre of Advanced Study in Botany, Institute of Science, Banaras Hindu University, Varanasi, India
| | - Atul Kumar Jaiswal
- Department of Computer Science and Engineering, Jamia Hamdard University, New Delhi, India
| | - Tanya Singh Raghuvanshi
- Centre of Advanced Study in Botany, Institute of Science, Banaras Hindu University, Varanasi, India
| | - Bhanu Prakash
- Centre of Advanced Study in Botany, Institute of Science, Banaras Hindu University, Varanasi, India.
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White AE, Garman KN, Hedberg C, Pennell-Huth P, Smith KE, Sillence E, Baseman J, Scallan Walter E. Improving Foodborne Disease Surveillance and Outbreak Detection and Response Using Peer Networks-The Integrated Food Safety Centers of Excellence. JOURNAL OF PUBLIC HEALTH MANAGEMENT AND PRACTICE 2023; 29:287-296. [PMID: 36126200 PMCID: PMC10507714 DOI: 10.1097/phh.0000000000001607] [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] [Indexed: 11/25/2022]
Abstract
CONTEXT Foodborne disease surveillance and outbreak investigations are foundational to the prevention and control of foodborne disease in the United States, where contaminated foods cause an estimated 48 million illnesses, 128 000 hospitalizations, and 3000 deaths each year. Surveillance activities and rapid detection and investigation of foodborne disease outbreaks require a trained and coordinated workforce across epidemiology, environmental health, and laboratory programs. PROGRAM Under the 2011 Food Safety Modernization Act, the Centers for Disease Control and Prevention (CDC) was called on to establish Integrated Food Safety (IFS) Centers of Excellence (CoEs) at state health departments, which would collaborate with academic partners, to identify, implement, and evaluate model practices in foodborne disease surveillance and outbreak response and to serve as a resource for public health professionals. IMPLEMENTATION CDC designated 5 IFS CoEs in August 2012 in Colorado, Florida, Minnesota, Oregon, and Tennessee; a sixth IFS CoE in New York was added in August 2014. For the August 2019-July 2024 funding period, 5 IFS CoEs were designated in Colorado, Minnesota, New York, Tennessee, and Washington. Each IFS CoE is based at the state health department that partners with at least one academic institution. EVALUATION IFS CoEs have built capacity across public health agencies by increasing the number of workforce development opportunities (developing >70 trainings, tools, and resources), supporting outbreak response activities (responding to >50 requests for outbreak technical assistance annually), mentoring students, and responding to emerging issues, such as changing laboratory methods and the COVID-19 pandemic.
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Affiliation(s)
- Alice E White
- Department of Epidemiology, Colorado School of Public Health, Aurora, Colorado (Ms White and Dr Scallan Walter); Tennessee Department of Health, Nashville, Tennessee (Ms Garman); Division of Environmental Health Sciences, University of Minnesota School of Public Health, Minneapolis, Minnesota (Dr Hedberg); New York State Department of Health, Albany, New York (Ms Pennell-Huth); Minnesota Department of Health, Minneapolis, Minnesota (Dr Smith); Division of Foodborne, Waterborne, and Environmental Diseases, US Centers for Disease Control and Prevention, Atlanta, Georgia (Ms Sillence); and Department of Epidemiology, University of Washington School of Public Health, Seattle, Washington (Dr Baseman)
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Khan A, Priyadarshi R, Bhattacharya T, Rhim JW. Carrageenan/Alginate-Based Functional Films Incorporated with Allium sativum Carbon Dots for UV-Barrier Food Packaging. FOOD BIOPROCESS TECH 2023. [DOI: 10.1007/s11947-023-03048-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
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Myint KZ, Yu Q, Qing J, Zhu S, Shen J, Xia Y. Botanic antimicrobial agents, their antioxidant properties, application and safety issue. Food Packag Shelf Life 2022. [DOI: 10.1016/j.fpsl.2022.100924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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Hu X, Xu B, Xiao Y, Liang S, Zhang C, Song H. Overview and Prospects of Food Biosafety. JOURNAL OF BIOSAFETY AND BIOSECURITY 2022. [DOI: 10.1016/j.jobb.2022.11.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Wang J, Ranjbaran M, Ault A, Verma MS. A loop-mediated isothermal amplification assay to detect Bacteroidales and assess risk of fecal contamination. Food Microbiol 2022; 110:104173. [DOI: 10.1016/j.fm.2022.104173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 10/19/2022] [Accepted: 10/23/2022] [Indexed: 11/04/2022]
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Chen F, Chen D, Deng T, Li J. Combination of alkaline phosphatase/graphene oxide nanoconjugates and D-glucose-6-phosphate–functionalized gold nanoparticles for the rapid colorimetric assay of pathogenic bacteria. Biosens Bioelectron 2022; 216:114611. [DOI: 10.1016/j.bios.2022.114611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Revised: 07/26/2022] [Accepted: 07/28/2022] [Indexed: 11/15/2022]
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Soares VM, dos Santos EAR, Tadielo LE, Cerqueira-Cézar CK, da Cruz Encide Sampaio AN, Eisen AKA, de Oliveira KG, Padilha MB, de Moraes Guerra ME, Gasparetto R, Brum MCS, Traesel CK, Henzel A, Spilki FR, Pereira JG. Detection of adenovirus, rotavirus, and hepatitis E virus in meat cuts marketed in Uruguaiana, Rio Grande do Sul, Brazil. One Health 2022; 14:100377. [PMID: 35257024 PMCID: PMC8897626 DOI: 10.1016/j.onehlt.2022.100377] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 02/23/2022] [Accepted: 02/25/2022] [Indexed: 11/18/2022] Open
Abstract
The aim of this study was to investigate the presence of adenovirus (AdV), rotavirus (RV), and hepatitis E virus (HEV) in beef, pork, and chicken meat cuts in retail trade in the city of Uruguaiana, RS, Brazil. A total of 131 meat products were collected (beef, n = 55; chicken, n = 47; pork, n = 29) from 18 commercial establishments (supermarkets, n = 7; butchers, n = 7; markets/grocery stores, n = 4). All samples were evaluated for AdV, RV, and HEV. The genomes of RV and AdV were identified in 29% (n = 38) and 5.34% (n = 7) of the samples, respectively. HEV was not identified in any of the samples. Chicken cuts had a higher frequency of AdV and RV isolates compared to beef and pork (P < 0.05). Among the categories of commercial establishments evaluated, all revealed at least one positive sample for AdV and RV; however, supermarkets showed a higher frequency of RV than others (P < 0.05). The genetic material of AdV and RV was identified simultaneously in 2.29% (n = 3) of samples from supermarkets (n = 2) and grocery stores (n = 1). This is the first report on detection of enteric viruses in meat cuts in the western region of the state of Rio Grande do Sul, Brazil, and the presence of AdV and RV in these products may indicate flaws during the process of handling these foods, especially in places where commercialization provides important public health issues.
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Affiliation(s)
- Vanessa Mendonça Soares
- Universidade Federal do Pampa, Campus Uruguaiana, BR 472, Km 585, Uruguaiana, Rio Grande do Sul CEP 97501970, Brazil
| | | | - Leonardo Ereno Tadielo
- Universidade Estadual Paulista “Júlio de Mesquita Filho” - UNESP, Campus de Botucatu, Faculdade de Medicina Veterinária e Zootecnia, Departamento de Produção Animal e Medicina Veterinária Preventiva, Rua Prof. Walter Maurício Correa, SN, Botucatu, São Paulo CEP 18618681, Brazil
| | - Camila Koutsodontis Cerqueira-Cézar
- Universidade Estadual Paulista “Júlio de Mesquita Filho” - UNESP, Campus de Botucatu, Faculdade de Medicina Veterinária e Zootecnia, Departamento de Produção Animal e Medicina Veterinária Preventiva, Rua Prof. Walter Maurício Correa, SN, Botucatu, São Paulo CEP 18618681, Brazil
| | - Aryele Nunes da Cruz Encide Sampaio
- Universidade Estadual Paulista “Júlio de Mesquita Filho” - UNESP, Campus de Botucatu, Faculdade de Medicina Veterinária e Zootecnia, Departamento de Produção Animal e Medicina Veterinária Preventiva, Rua Prof. Walter Maurício Correa, SN, Botucatu, São Paulo CEP 18618681, Brazil
| | - Ana Karolina Antunes Eisen
- Universidade Feevale, Laboratório de Microbiologia Molecular, Instituto de Ciências da Saúde, Rodovia ERS-239, 2755, Novo Hamburgo, Rio Grande do Sul CEP 93525075, Brazil
| | - Kelen Gras de Oliveira
- Universidade Feevale, Laboratório de Microbiologia Molecular, Instituto de Ciências da Saúde, Rodovia ERS-239, 2755, Novo Hamburgo, Rio Grande do Sul CEP 93525075, Brazil
| | - Matheus Beltrame Padilha
- Universidade Federal do Pampa, Campus Uruguaiana, BR 472, Km 585, Uruguaiana, Rio Grande do Sul CEP 97501970, Brazil
| | | | - Raíssa Gasparetto
- Universidade Federal do Pampa, Campus Uruguaiana, BR 472, Km 585, Uruguaiana, Rio Grande do Sul CEP 97501970, Brazil
| | - Mário Celso Sperotto Brum
- Universidade Federal do Pampa, Campus Uruguaiana, BR 472, Km 585, Uruguaiana, Rio Grande do Sul CEP 97501970, Brazil
| | - Carolina Kist Traesel
- Universidade Federal do Pampa, Campus Uruguaiana, BR 472, Km 585, Uruguaiana, Rio Grande do Sul CEP 97501970, Brazil
| | - Andreia Henzel
- Universidade Feevale, Laboratório de Microbiologia Molecular, Instituto de Ciências da Saúde, Rodovia ERS-239, 2755, Novo Hamburgo, Rio Grande do Sul CEP 93525075, Brazil
| | - Fernando Rosado Spilki
- Universidade Feevale, Laboratório de Microbiologia Molecular, Instituto de Ciências da Saúde, Rodovia ERS-239, 2755, Novo Hamburgo, Rio Grande do Sul CEP 93525075, Brazil
| | - Juliano Gonçalves Pereira
- Universidade Estadual Paulista “Júlio de Mesquita Filho” - UNESP, Campus de Botucatu, Faculdade de Medicina Veterinária e Zootecnia, Departamento de Produção Animal e Medicina Veterinária Preventiva, Rua Prof. Walter Maurício Correa, SN, Botucatu, São Paulo CEP 18618681, Brazil
- Corresponding author at: Universidade Estadual Paulista “Júlio de Mesquita Filho” - UNESP, Campus de Botucatu, Rua Prof. Walter Maurício Correa, SN, Botucatu, São Paulo CEP 18618681, Brazil.
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Characterization of a New and Efficient Polyvalent Phage Infecting E. coli O157:H7, Salmonella spp., and Shigella sonnei. Microorganisms 2021; 9:microorganisms9102105. [PMID: 34683426 PMCID: PMC8540833 DOI: 10.3390/microorganisms9102105] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 09/27/2021] [Accepted: 10/05/2021] [Indexed: 11/17/2022] Open
Abstract
Ongoing outbreaks of foodborne diseases remain a significant public health concern. Lytic phages provide promising attributes as biocontrol agents. This study characterized KFS-EC3, a polyvalent and lytic phage, which was isolated from slaughterhouse sewage and purified by cesium chloride density centrifugation. Host range and efficiency of plating analyses revealed that KFS-EC3 is polyvalent and can efficiently infect E. coli O157:H7, Salmonella spp., and Shigella sonnei. KFS-EC3 had a latent time of 20 min and burst size of ~71 phages/infected cell. KFS-EC3 was stable and infectious following storage at a pH range of 3 to 11 and a temperature range of -70 °C to 60 °C. KFS-EC3 could inhibit E. coli O157:H7 growth by 2 logs up to 52 h even at the lowest MOI of 0.001. Genomic analysis of KFS-EC3 revealed that it consisted of 167,440 bp and 273 ORFs identified as functional genes, without any genes associated with antibiotic resistance, virulence, allergenicity, and lysogenicity. This phage was finally classified into the Tequatrovirus genus of the Myoviridae family. In conclusion, KFS-EC3 could simultaneously infect E. coli O157:H7, S. sonnei, and Salmonella spp. with the lowest MOI values over long periods, suggesting its suitability for simultaneous pathogen control in foods.
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Zhou Z, Xiao R, Cheng S, Wang S, Shi L, Wang C, Qi K, Wang S. A universal SERS-label immunoassay for pathogen bacteria detection based on Fe 3O 4@Au-aptamer separation and antibody-protein A orientation recognition. Anal Chim Acta 2021; 1160:338421. [PMID: 33894956 DOI: 10.1016/j.aca.2021.338421] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 03/12/2021] [Accepted: 03/13/2021] [Indexed: 12/26/2022]
Abstract
Rapid, reliable and sensitive detection methods for pathogenic bacteria are strongly demanded. Herein, we proposed a magnetically assisted surface enhanced Raman scattering (SERS)-label immunoassay for the sensitive detection of bacteria by using a universal approach based on free antibody labelling and staphylococcus proteins A (PA)-SERS tags orientation recognition. The SERS biosensor consists of two functional nanomaterials: aptamer-conjugated Fe3O4@Au magnetic nanoparticles (MNPs) as magnetic SERS platform for pathogen enrichment and PA modified-SERS tags (Au@DTNB@PA) as a universal probe for target bacteria quantitative detection. After target bacteria enriched, free antibody was used to specific marking target bacteria and provided numerous Fc fragment, which can guide the PA-SERS tags orientation-dependent binding. With this strategy, Fe3O4@Au/bacteria/SERS tags sandwich immunocomplexes for most bacteria (expect several species of Staphylococcus) were easy constructed. The limits of detection (LODs) of the proposed assay were found to be 10, 10, and 25 cells/mL for three common pathogens Escherichia coli (E. coli), Listeria monocytogenes (L. mono), and Salmonella typhimurium (S. typhi), respectively, in real food samples. The universal method also exhibits the advantages of rapid, robust, and easy to operate, suggesting its great potential for food safety monitoring and infectious diseases diagnosis.
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Affiliation(s)
- Zihui Zhou
- Anhui Agricultural University, Hefei, 230036, PR China; Beijing Institute of Radiation Medicine, Beijing, 100850, PR China; Anhui Province Engineering Laboratory for Animal Food Quality and Bio-safety, College of Animal Science and Technology, Anhui Agricultural University, Hefei, 230036, PR China
| | - Rui Xiao
- Beijing Institute of Radiation Medicine, Beijing, 100850, PR China
| | - Siyun Cheng
- Beijing Institute of Radiation Medicine, Beijing, 100850, PR China
| | - Shu Wang
- Hefei Institute of Physical Science, Chinese Academy of Sciences, Hefei, 230036, PR China
| | - Luoluo Shi
- Beijing Institute of Radiation Medicine, Beijing, 100850, PR China
| | - Chongwen Wang
- Anhui Agricultural University, Hefei, 230036, PR China; Beijing Institute of Radiation Medicine, Beijing, 100850, PR China.
| | - Kezong Qi
- Anhui Agricultural University, Hefei, 230036, PR China; Anhui Province Key Laboratory of Veterinary Pathobiology and Disease Control, Hefei, 230036, PR China; Anhui Province Engineering Laboratory for Animal Food Quality and Bio-safety, College of Animal Science and Technology, Anhui Agricultural University, Hefei, 230036, PR China.
| | - Shengqi Wang
- Beijing Institute of Radiation Medicine, Beijing, 100850, PR China.
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16
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Mesgari M, Aalami AH, Sahebkar A. Antimicrobial activities of chitosan/titanium dioxide composites as a biological nanolayer for food preservation: A review. Int J Biol Macromol 2021; 176:530-539. [PMID: 33607131 DOI: 10.1016/j.ijbiomac.2021.02.099] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2020] [Revised: 02/03/2021] [Accepted: 02/13/2021] [Indexed: 02/07/2023]
Abstract
Packaging is an integral part of food industry that preserves the properties of food during storage. Food spoilage caused by foodborne microorganisms is a public health problem that imposes a significant burden on the healthcare systems. Moreover, packaging based on artificial and chemical materials such as plastic is destructive to the environment. Chitosan can be categorized as an active food packaging material because of its inherent antimicrobial properties and capacity to carry various active components. Combining chitosan and metallic nanoparticles can be used as a practical approach in antimicrobial packaging systems. This strategy has advantages of thermal stability, barrier properties, antioxidant and antimicrobial packaging. Titanium dioxide is one of these nanoparticles that plays a photocatalytic role by releasing reactive oxygen species, thereby leading to the destruction of microorganisms' cell wall and extension of food shelf life. This review elaborates on the antimicrobial applications of chitosan/titanium dioxide nanoparticles films in food packaging systems.
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Affiliation(s)
- Mohammad Mesgari
- Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad 9177948974, Iran
| | - Amir Hossein Aalami
- Department of Biology, Mashhad Branch, Islamic Azad University, Mashhad, Iran
| | - Amirhossein Sahebkar
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; Polish Mother's Memorial Hospital Research Institute (PMMHRI), Lodz, Poland; School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.
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17
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Yu CP, Chou YC, Wu DC, Cheng CG, Cheng CA. Surveillance of foodborne diseases in Taiwan: A retrospective study. Medicine (Baltimore) 2021; 100:e24424. [PMID: 33592891 PMCID: PMC7870181 DOI: 10.1097/md.0000000000024424] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 12/22/2020] [Accepted: 01/02/2021] [Indexed: 01/05/2023] Open
Abstract
ABSTRACT Foodborne pathogens cause diseases and death, increasing the economic burden. It needs to identify incident places, media food and pathgens. Our aim is to survey empirical data that provide a retrospective historical perspective on foodborne diseases and explore the causes and trends of outbreaks.We examined publicly available annual summary data on reported foodborne disease outbreaks in Taiwan from 2014 to 2018. We calculated the percentage of places, media food, bacteria and natural toxin sources in foodborne diseases and performed a chi-square test for difference evaluation. The higher risk of places and causes in 2018 compared with 2014 was empolyzed with univariate logistic regression.There were 26847 patients with foodborne diseases during the period from 2014 to 2018. The top 2 primary source locations of the foodborne diseases were schools and restaurants. The top 2 primary food media classifications of the foodborne diseases were boxed meals and compounded foods. The top 2 primary incident bacterial classifications of the observed foodborne diseases were Bacillus cereus and Staphylococcus aureus. The top 2 primary natural toxin classifications of the foodborne diseases were plants and histamines. The incidence of foodborne disease in military facilities, fruits and vegetables, and Staphylococcus aureus was increased in our study.Our study confirmed the high risk and increased incidence of foodborne diseases, food media classifications, bacterial classifications, and natural toxins in Taiwan. It is worthy of attention for the government health department-designed policy to promote disease prevention.
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Affiliation(s)
- Chia-Peng Yu
- Department of Medical Records, Tri-Service General Hospital, National Defense Medical Center
- School of Public Health, National Defense Medical Center, Taipei
| | - Yu-Ching Chou
- School of Public Health, National Defense Medical Center, Taipei
| | - Ding-Chung Wu
- Department of Medical Records, Tri-Service General Hospital, National Defense Medical Center
- School of Public Health, National Defense Medical Center, Taipei
| | - Chun-Gu Cheng
- Department of Emergency Medicine, Taoyuan Armed Forces General Hospital, National Defense Medical Center, Taoyuan
- Department of Emergency Medicine, Tri-Service General Hospital, National Defense Medical Center
- Department of Emergency and Critical Medicine, Wan Fang Hospital, Taipei Medical University
| | - Chun-An Cheng
- Department of Neurology, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
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18
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Mazaheri T, Cervantes-Huamán BRH, Bermúdez-Capdevila M, Ripolles-Avila C, Rodríguez-Jerez JJ. Listeria monocytogenes Biofilms in the Food Industry: Is the Current Hygiene Program Sufficient to Combat the Persistence of the Pathogen? Microorganisms 2021; 9:microorganisms9010181. [PMID: 33467747 PMCID: PMC7830665 DOI: 10.3390/microorganisms9010181] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 01/07/2021] [Accepted: 01/11/2021] [Indexed: 12/14/2022] Open
Abstract
Biofilms contain microbial cells which are protected by a self-produced matrix and they firmly attach themselves to many different food industry surfaces. Due to this protection, microorganisms within biofilms are much more difficult to eradicate and therefore to control than suspended cells. A bacterium that tends to produce these structures and persist in food processing plants is Listeria monocytogenes. To this effect, many attempts have been made to develop control strategies to be applied in the food industry, although there seems to be no clear direction on how to manage the risk the bacteria poses. There is no standardized protocol that is applied equally to all food sectors, so the strategies for the control of this pathogen depend on the type of surface, the nature of the product, the conditions of the food industry environment, and indeed the budget. The food industry performs different preventive and corrective measures on possible L. monocytogenes-contaminated surfaces. However, a critical evaluation of the sanitization methods applied must be performed to discern whether the treatment can be effective in the long-term. This review will focus on currently used strategies to eliminate biofilms and control their formation in processing facilities in different food sectors (i.e., dairy, meat, fish, chilled vegetables, and ready-to-eat products). The technologies employed for their control will be exemplified and discussed with the objective of understanding how L. monocytogenes can be improved through food safety management systems.
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19
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James HS, Segovia MS. Behavioral Ethics and the Incidence of Foodborne Illness Outbreaks. JOURNAL OF AGRICULTURAL & ENVIRONMENTAL ETHICS 2020; 33:531-548. [PMID: 33223864 PMCID: PMC7668284 DOI: 10.1007/s10806-020-09837-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Accepted: 11/03/2020] [Indexed: 06/11/2023]
Abstract
Cognitive biases play an important role in creating and perpetuating problems that lead to foodborne illness outbreaks. By using insights from behavioral ethics, we argue that sometimes people engage in unethical behavior that increases the likelihood of foodborne illness outbreaks without necessarily intending to or being consciously aware of it. We demonstrate these insights in an analysis of the 2011 Listeriosis outbreak in the U.S. from the consumption of contaminated cantaloupes. We then provide policy implications that can improve our understanding of other kinds of disease outbreaks and epidemics.
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Affiliation(s)
- Harvey S. James
- Division of Applied Social Sciences, University of Missouri, Columbia, MO 65211 USA
| | - Michelle S. Segovia
- Division of Applied Social Sciences, University of Missouri, Columbia, MO 65211 USA
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20
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Danielski GM, Evangelista AG, Luciano FB, de Macedo REF. Non-conventional cultures and metabolism-derived compounds for bioprotection of meat and meat products: a review. Crit Rev Food Sci Nutr 2020; 62:1105-1118. [DOI: 10.1080/10408398.2020.1835818] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Gabriela Maia Danielski
- Graduate Program in Animal Science, Pontifícia Universidade Católica do Paraná, Curitiba, Paraná, Brazil
- Undergraduate Program in Agronomy, Universidade Federal do Paraná, Curitiba, Paraná, Brazil
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21
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Emamhadi MA, Sarafraz M, Akbari M, Thai VN, Fakhri Y, Linh NTT, Mousavi Khaneghah A. Nanomaterials for food packaging applications: A systematic review. Food Chem Toxicol 2020; 146:111825. [PMID: 33096197 DOI: 10.1016/j.fct.2020.111825] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Revised: 09/28/2020] [Accepted: 10/17/2020] [Indexed: 12/17/2022]
Abstract
The application of nanotechnology in food packaging is widely considered during the last two decades. In this regard, numerous studies have been conducted regarding applying nanomaterials such as zinc oxide, clay, silver, carbon nanotube, titanium dioxide, and copper, and copper oxide in food packaging which were summarized in the current study. The employing of nano food packaging increases the physicochemical quality of food (color, flavor, moisture content, weight, bioavailability, and texture) and reduces the microbial load by cell-membrane function, Trojan-horse, and reactive oxygen mechanisms while they improve the barrier/mechanical properties of food packaging. Although nano food packaging has many advantages for public health, the associated toxicity due to migration, especially in acidic conditions, is considerable. Further studies regarding the advantages and disadvantages of this technique are recommended.
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Affiliation(s)
- Mohammad Ali Emamhadi
- Department of Forensic Medicine and Toxicology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mansour Sarafraz
- School of Public Health and Safety, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mitra Akbari
- Department of Eye, Amiralmomenin Hospital, School of Medicine, Guilan University of Medical Science, Rasht, Iran
| | - Van Nam Thai
- Ho Chi Minh City University of Technology (HUTECH) 475A, Dien Bien Phu, Ward 25, Binh Thanh District, Ho Chi Minh City, Vietnam
| | - Yadolah Fakhri
- Food Health Research Center, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
| | - Nguyen Thi Thuy Linh
- Institute of Research and Development, Duy Tan University, Danang 550000, Vietnam; Faculty of Environmental and Chemical Engineering, Duy Tan University, Danang 550000, Vietnam.
| | - Amin Mousavi Khaneghah
- Department of Food Science, Faculty of Food Engineering, University of Campinas (UNICAMP), Campinas, São Paulo, Brazil
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22
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Carson L, Bandara S, Joseph M, Green T, Grady T, Osuji G, Weerasooriya A, Ampim P, Woldesenbet S. Green Synthesis of Silver Nanoparticles with Antimicrobial Properties Using Phyla dulcis Plant Extract. Foodborne Pathog Dis 2020; 17:504-511. [DOI: 10.1089/fpd.2019.2714] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Affiliation(s)
- Laura Carson
- Cooperative Agricultural Research Center, Prairie View A&M University, Prairie View, Texas
| | - Subhani Bandara
- Cooperative Agricultural Research Center, Prairie View A&M University, Prairie View, Texas
| | - Marshall Joseph
- Cooperative Agricultural Research Center, Prairie View A&M University, Prairie View, Texas
| | - Tony Green
- Cooperative Agricultural Research Center, Prairie View A&M University, Prairie View, Texas
| | - Tony Grady
- Department of Chemistry, Prairie View A&M University, Prairie View, Texas
| | - Godson Osuji
- Cooperative Agricultural Research Center, Prairie View A&M University, Prairie View, Texas
| | - Aruna Weerasooriya
- Cooperative Agricultural Research Center, Prairie View A&M University, Prairie View, Texas
| | - Peter Ampim
- Cooperative Agricultural Research Center, Prairie View A&M University, Prairie View, Texas
| | - Selamawit Woldesenbet
- Cooperative Agricultural Research Center, Prairie View A&M University, Prairie View, Texas
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Bahrami A, Delshadi R, Assadpour E, Jafari SM, Williams L. Antimicrobial-loaded nanocarriers for food packaging applications. Adv Colloid Interface Sci 2020; 278:102140. [PMID: 32171115 DOI: 10.1016/j.cis.2020.102140] [Citation(s) in RCA: 107] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2020] [Accepted: 03/04/2020] [Indexed: 12/17/2022]
Abstract
Increasing the demands of consumers for organic and safer foods has led to applying new technologies for food preservation. Active packaging (AP) containing natural antimicrobial agents is a good candidate for promoting the shelf life of food products. The efficiency of AP has been enhanced through nanoencapsulation methods, in which antimicrobial-loaded nanocarriers could provide a controlled release of antimicrobial active packaging for keeping the quality of foods during storage. The main objective of this review is to introduce common methods for designing novel encapsulation delivery systems offering controlled release of antimicrobials in the AP systems. The common nanocarriers for enveloping antimicrobial agents are described and the current state of art in the application of nanoencapsulated antimicrobials in development of antimicrobial APs have been summarized and tabulated. Incorporation of a carrier loaded with natural antimicrobial agents is the most effective method for developing AP in the food packaging sector which has become possible by using nanoencapsulated antimicrobials in films or coating structures, instead of using their free form. Nanoencapsulation approaches provide many advantages including protection against environmental stresses, release control, and improving the solubility and absorption of natural antimicrobials in AP, which are the main achievements overcoming the barriers for using natural antimicrobials in food packaging.
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Entrapment of a phage cocktail and cinnamaldehyde on sodium alginate emulsion-based films to fight food contamination by Escherichia coli and Salmonella Enteritidis. Food Res Int 2019; 128:108791. [PMID: 31955758 DOI: 10.1016/j.foodres.2019.108791] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 10/29/2019] [Accepted: 10/30/2019] [Indexed: 12/28/2022]
Abstract
Notwithstanding the implementation of good processing practices in food companies and appropriate washing of food products by the consumer, Salmonella and Escherichia coli outbreaks continue to occur. In this study, different combinations of bacteriophages (phages) and cinnamaldehyde (CNMA) were incorporated on sodium alginate emulsion-based films to impart them with antimicrobial activity towards S. Enteritidis and E. coli. Films were prepared by casting and they were characterized in terms of CNMA and/or phages loading, thickness, moisture content, water vapor permeability (WVP), swelling index (SW), chemical interactions by FTIR, surface morphology by SEM and antimicrobial performance. Results showed that phages incorporation was not compromised by CNMA as evidenced by their viability inside the films. Increasing CNMA concentration yielded formulations less heterogeneous and a higher amount of CNMA loaded. Films characterization revealed that, in general, phages incorporation did not introduce significant changes on films parameters while the presence of CNMA increased the roughness, thickness and swelling ability of films. Sodium alginate films incorporated with EC4 and φ135 phages displayed antimicrobial activity against E. coli and S. Enteritidis, respectively, while CNMA empowered the films with activity against both species. Combination of both phages with the higher concentration of CNMA resulted in a synergic antimicrobial effect against E. coli and a facilitative effect against Salmonella. Overall, incorporation of EC4 and φ135 phages together with CNMA on alginate emulsion-based films holds great potential to be further applied in food packaging to prevent food contamination.
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Ahmed S, Downs S, Fanzo J. Advancing an Integrative Framework to Evaluate Sustainability in National Dietary Guidelines. FRONTIERS IN SUSTAINABLE FOOD SYSTEMS 2019. [DOI: 10.3389/fsufs.2019.00076] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
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