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Kačániová M, Čmiková N, Vukovic NL, Verešová A, Bianchi A, Garzoli S, Ben Saad R, Ben Hsouna A, Ban Z, Vukic MD. Citrus limon Essential Oil: Chemical Composition and Selected Biological Properties Focusing on the Antimicrobial (In Vitro, In Situ), Antibiofilm, Insecticidal Activity and Preservative Effect against Salmonella enterica Inoculated in Carrot. PLANTS (BASEL, SWITZERLAND) 2024; 13:524. [PMID: 38498554 PMCID: PMC10893099 DOI: 10.3390/plants13040524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Revised: 02/07/2024] [Accepted: 02/12/2024] [Indexed: 03/20/2024]
Abstract
New goals for industry and science have led to increased awareness of food safety and healthier living in the modern era. Here, one of the challenges in food quality assurance is the presence of pathogenic microorganisms. As planktonic cells can form biofilms and go into a sessile state, microorganisms are now more resistant to broad-spectrum antibiotics. Due to their proven antibacterial properties, essential oils represent a potential option to prevent food spoilage in the search for effective natural preservatives. In this study, the chemical profile of Citrus limon essential oil (CLEO) was evaluated. GC-MS analysis revealed that limonene (60.7%), β-pinene (12.6%), and γ-terpinene (10.3%) are common constituents of CLEO, which prompted further research on antibacterial and antibiofilm properties. Minimum inhibitory concentration (MIC) values showed that CLEO generally exhibits acceptable antibacterial properties. In addition, in situ antimicrobial research revealed that vapour-phase CLEO can arrest the growth of Candida and Y. enterocolitica species on specific food models, indicating the potential of CLEO as a preservative. The antibiofilm properties of CLEO were evaluated by MIC assays, crystal violet assays, and MALDI-TOF MS analysis against S. enterica biofilm. The results of the MIC and crystal violet assays showed that CLEO has strong antibiofilm activity. In addition, the data obtained by MALDI-TOF MS investigation showed that CLEO altered the protein profiles of the bacteria studied on glass and stainless-steel surfaces. Our study also found a positive antimicrobial effect of CLEO against S. enterica. The anti-Salmonella activity of CLEO in vacuum-packed sous vide carrot samples was slightly stronger than in controls. These results highlight the advantages of the antibacterial and antibiofilm properties of CLEO, suggesting potential applications in food preservation.
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Affiliation(s)
- Miroslava Kačániová
- Institute of Horticulture, Faculty of Horticulture and Landscape Engineering, Slovak University of Agriculture, Tr. A. Hlinku 2, 94976 Nitra, Slovakia; (N.Č.); (A.V.); (M.D.V.)
- School of Medical & Health Sciences, University of Economics and Human Sciences in Warsaw, Okopowa 59, 01043 Warszawa, Poland
- INTI International University, Persiaran Perdana BBN Putra Nilai, Nilai 71800, Malaysia
| | - Natália Čmiková
- Institute of Horticulture, Faculty of Horticulture and Landscape Engineering, Slovak University of Agriculture, Tr. A. Hlinku 2, 94976 Nitra, Slovakia; (N.Č.); (A.V.); (M.D.V.)
| | - Nenad L. Vukovic
- Department of Chemistry, University of Kragujevac, Faculty of Science, R. Domanovića 12, 34000 Kragujevac, Serbia;
| | - Andrea Verešová
- Institute of Horticulture, Faculty of Horticulture and Landscape Engineering, Slovak University of Agriculture, Tr. A. Hlinku 2, 94976 Nitra, Slovakia; (N.Č.); (A.V.); (M.D.V.)
| | - Alessandro Bianchi
- Department of Agriculture, Food and Environment, University of Pisa, Via del Borghetto 80, 56124 Pisa, Italy;
| | - Stefania Garzoli
- Department of Chemistry and Technologies of Drug, Sapienza University, P. le Aldo Moro 5, 00185 Rome, Italy;
| | - Rania Ben Saad
- Laboratory of Biotechnology and Plant Improvement, Centre of Biotechnology of Sfax, B.P “1177”, Sfax 3018, Tunisia; (R.B.S.); (A.B.H.)
| | - Anis Ben Hsouna
- Laboratory of Biotechnology and Plant Improvement, Centre of Biotechnology of Sfax, B.P “1177”, Sfax 3018, Tunisia; (R.B.S.); (A.B.H.)
- Department of Environmental Sciences and Nutrition, Higher Institute of Applied Sciences and Technology of Mahdia, University of Monastir, Monastir 5000, Tunisia
| | - Zhaojun Ban
- Zhejiang Provincial Key Laboratory of Chemical and Biological Processing Technology of Farm Products, School of Biological and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou 310023, China;
| | - Milena D. Vukic
- Institute of Horticulture, Faculty of Horticulture and Landscape Engineering, Slovak University of Agriculture, Tr. A. Hlinku 2, 94976 Nitra, Slovakia; (N.Č.); (A.V.); (M.D.V.)
- Department of Chemistry, University of Kragujevac, Faculty of Science, R. Domanovića 12, 34000 Kragujevac, Serbia;
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Balasubramanian B, Shah T, Allen J, Rankin K, Xue J, Luo Y, Mancini R, Upadhyay A. Eugenol nanoemulsion inactivates Listeria monocytogenes, Salmonella Enteritidis, and Escherichia coli O157:H7 on cantaloupes without affecting rind color. FRONTIERS IN SUSTAINABLE FOOD SYSTEMS 2022. [DOI: 10.3389/fsufs.2022.984391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Listeria monocytogenes, Salmonella Enteritidis, and Escherichia coli O157:H7 are the major foodborne pathogens that have been implicated in outbreaks related to consumption of contaminated cantaloupes. Current chlorine-based decontamination strategies are not completely effective for inactivating the aforementioned pathogens on cantaloupes, especially in the presence of organic matter. This study investigated the efficacy of eugenol nanoemulsion (EGNE) wash treatments in inactivating L. monocytogenes, Salmonella spp., and E. coli O157:H7 on the surface of cantaloupes. In addition, the efficacy of EGNE in inhibiting the growth of the three pathogens on cantaloupes during refrigerated and room temperature storage of 5 days was investigated. Moreover, the effect of EGNE wash treatment on cantaloupe color was assessed using a Miniscan® XE Plus. The EGNE was prepared with either Tween 80 (TW) or a combination of Gum arabic and Lecithin (GA) as emulsifiers. The cantaloupe rind was washed with EGNE (0.3, 0.6, and 1.25%), in presence or absence of 5% organic load, for 1, 5, or 10 min at 25°C. Enumeration of surviving pathogens on cantaloupe was performed by serial dilution and plating on Oxford, XLD or SMA agar followed by incubation at 37°C for 24–48 h. EGNE-GA and EGNE-TW wash significantly reduced all three pathogens by at least 3.5 log CFU/cm2 as early as 5 min after treatment. EGNE-GA at 1.25% inactivated L. monocytogenes, E. coli O157:H7 and S. Enteritidis on cantaloupes to below the detectable limit within 5 and 10 min of treatment, respectively (~4 log CFU/cm2, P < 0.05). EGNE treatments significantly reduced the survival of L. monocytogenes, S. Enteritidis, and E. coli O157:H7 on cantaloupe by at least 6 log CFU/cm2 at day 5 of storage at 25 and 4°C (P < 0.05). Presence of organic matter did not modulate the antimicrobial efficacy of nanoemulsion treatments (P > 0.05). EGNE treatments did not affect the rind color of cantaloupes (P > 0.05). In conclusion, eugenol nanoemulsions could potentially be used as a natural sanitizer to inactivate foodborne pathogens on cantaloupes. Further investigations in an industry setting are warranted.
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Liu X, Liu R, Zhao R, Wang J, Cheng Y, Liu Q, Wang Y, Yang S. Synergistic Interaction Between Paired Combinations of Natural Antimicrobials Against Poultry-Borne Pathogens. Front Microbiol 2022; 13:811784. [PMID: 35602084 PMCID: PMC9115557 DOI: 10.3389/fmicb.2022.811784] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 04/14/2022] [Indexed: 11/13/2022] Open
Abstract
Natural antimicrobials (NAM) are promising candidates for the successful control of poultry-borne bacteria, carrying potent antimicrobial activity (AMA) against a wide range of multidrug-resistant pathogens. Individual activities of carvacrol, eugenol, trans-cinnamaldehyde, oregano, and thymol, along with the combined activity of paired compounds, were examined using broth microdilution and checkerboard techniques. The characteristic interactions between the compounds were calculated using an improved method, based on combination index (CI) values. The bacteria examined herein were selected due to their known genetic resistance to at least one antibiotic. Our results indicated that thymol was most effective, exhibiting the lowest minimum inhibitory concentration (MIC) value against Salmonella pullorum, Escherichia coli, and Klebsiella pneumoniae, establishing the order of antimicrobial efficacy as: thymol > oregano > carvacrol > trans-cinnamaldehyde > eugenol. In the interaction study, the paired combination of carvacrol and thymol showed synergistic effects and was highly effective in reducing the antibiotic resistance of all the evaluated pathogens. Notably, all CI values were <1.0 in evaluations of S. pullorum, indicating the absence of antagonism between eugenol and thymol (or oregano). In K. pneumoniae, majority of CI values, which had a few concentration points, were smaller than 1.0, indicating a synergistic effect between eugenol and carvacrol (oregano or thymol), and trans-cinnamaldehyde and carvacrol. In E. coli, apart from some concentration points, some CI values were smaller than 1.0, demonstrating a synergistic effect between eugenol and carvacrol, and thymol and carvacrol (eugenol or oregano). It is therefore of great significance to investigate and illuminate the minimal effect concentration of these five components when they are used in combination as feed additives. Moreover, the improved evaluation method of this study provides a precise and extensive means to assess the synergistic effects of NAM.
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Affiliation(s)
- Xiaoxia Liu
- Key Laboratory of Agro-Product Quality and Safety, Institute of Quality Standards and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Rui Liu
- School of Investigation, People's Public Security University of China, Beijing, China
| | - Ruting Zhao
- Key Laboratory of Agro-Product Quality and Safety, Institute of Quality Standards and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Jishi Wang
- Key Laboratory for Environmental Factors Control of Agro-Product Quality Safety, Ministry of Agriculture, Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin, China
| | - Yongyou Cheng
- Key Laboratory of Agro-Product Quality and Safety, Institute of Quality Standards and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Qian Liu
- Key Laboratory of Agro-Product Quality and Safety, Institute of Quality Standards and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Yanyun Wang
- Key Laboratory of Agro-Product Quality and Safety, Institute of Quality Standards and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Shuming Yang
- Key Laboratory of Agro-Product Quality and Safety, Institute of Quality Standards and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing, China
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Reduction of Bacterial Enteric Pathogens and Hygiene Indicator Bacteria on Tomato Skin Surfaces by a Polymeric Nanoparticle-Loaded Plant-Derived Antimicrobial. Microorganisms 2022; 10:microorganisms10020448. [PMID: 35208902 PMCID: PMC8877882 DOI: 10.3390/microorganisms10020448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Revised: 01/19/2022] [Accepted: 02/03/2022] [Indexed: 02/01/2023] Open
Abstract
This study determined Escherichia coli O157:H7 and Salmonella enterica serovar Typhimurium survival on tomato skins as a function of sanitization treatment, under three differing contamination and sanitization scenarios. Sanitizing treatments consisted of the plant-derived antimicrobial (PDA) geraniol (0.5 wt.%) emulsified in the polymeric surfactant Pluronic F-127 (GNP), 0.5 wt.% unencapsulated geraniol (UG), 200 mg/L hypochlorous acid at pH 7.0 (HOCl), and a sterile distilled water wash (CON). Experimental contamination and sanitization scenarios tested were: (1) pathogen inoculation preceded by treatment; (2) the pathogen was inoculated onto samples twice with a sanitizing treatment applied in between inoculations; and (3) pathogen inoculation followed by sanitizing treatment. Reductions in counts of surviving pathogens were dependent on the sanitizing treatment, the storage period, or the interaction of these independent/main effects. GNP treatment yielded the greatest reductions in pathogen counts on tomato skins; pathogen survivor counts following GNP treatment were consistently statistically lower than those achieved by HOCl or UG treatments (p < 0.05). GNP treatment provided greatest pathogen reduction under differing conditions of pre- and/or post-harvest cross-contamination, and reduced hygiene-indicating microbes the most of all treatments on non-inoculated samples. Encapsulated geraniol can reduce the risk of pathogen transmission on tomato fruit, reducing food safety hazard risks for tomato consumers.
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Byun S, Chen C, Yin H, Patel J. Antimicrobial Effect of Natural Fruit Extracts against
Salmonella
on Whole and Fresh‐cut Cucumbers. J FOOD PROCESS PRES 2022. [DOI: 10.1111/jfpp.16437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Suyeun Byun
- U.S. Department of Agriculture, Agricultural Research Service Environmental and Food Safety Microbiology Laboratory Beltsville MD USA
| | - Chi‐Hung Chen
- U.S. Department of Agriculture, Agricultural Research Service Environmental and Food Safety Microbiology Laboratory Beltsville MD USA
| | - Hsin‐Bai Yin
- U.S. Department of Agriculture, Agricultural Research Service Environmental and Food Safety Microbiology Laboratory Beltsville MD USA
| | - Jitendra Patel
- U.S. Department of Agriculture, Agricultural Research Service Environmental and Food Safety Microbiology Laboratory Beltsville MD USA
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Kalinowska M, Gołębiewska E, Świderski G, Męczyńska-Wielgosz S, Lewandowska H, Pietryczuk A, Cudowski A, Astel A, Świsłocka R, Samsonowicz M, Złowodzka AB, Priebe W, Lewandowski W. Plant-Derived and Dietary Hydroxybenzoic Acids-A Comprehensive Study of Structural, Anti-/Pro-Oxidant, Lipophilic, Antimicrobial, and Cytotoxic Activity in MDA-MB-231 and MCF-7 Cell Lines. Nutrients 2021; 13:nu13093107. [PMID: 34578985 PMCID: PMC8466373 DOI: 10.3390/nu13093107] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2021] [Revised: 09/01/2021] [Accepted: 09/02/2021] [Indexed: 11/22/2022] Open
Abstract
Seven derivatives of plant-derived hydroxybenzoic acid (HBA)—including 2,3-dihydroxybenzoic (2,3-DHB, pyrocatechuic), 2,4-dihydroxybenzoic (2,4-DHB, β-resorcylic), 2,5-dihydroxybenzoic (2,5-DHB, gentisic), 2,6-dihydroxybenzoic (2,6-DHB, γ-resorcylic acid), 3,4-dihydroxybenzoic (3,4-DHB, protocatechuic), 3,5-dihydroxybenzoic (3,5-DHB, α-resorcylic), and 3,4,5-trihydroxybenzoic (3,4,5-THB, gallic) acids—were studied for their structural and biological properties. Anti-/pro-oxidant properties were evaluated by using DPPH• (2,2-diphenyl-1-picrylhydrazyl), ABTS•+ (2,2-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid), FRAP (ferric-reducing antioxidant power), CUPRAC (cupric-reducing antioxidant power), and Trolox oxidation assays. Lipophilicity was estimated by means of experimental (HPLC) and theoretical methods. The antimicrobial activity against Escherichia coli (E. coli), Pseudomonas aeruginosa (P. aeruginosa), Staphylococcus aureus (S. aureus), Bacillus subtilis (B. subtilis), Salmonella enteritidis (S. enteritidis), and Candida albicans (C. albicans) was studied. The cytotoxicity of HBAs in MCF-7 and MDA-MB-231 cell lines was estimated. Moreover, the structure of HBAs was studied by means of experimental (FTIR, 1H, and 13C NMR) and quantum chemical DFT methods (the NBO and CHelpG charges, electrostatic potential maps, and electronic parameters based on the energy of HOMO and LUMO orbitals). The aromaticity of HBA was studied based on the calculated geometric and magnetic aromaticity indices (HOMA, Aj, BAC, I6, NICS). The biological activity of hydroxybenzoic acids was discussed in relation to their geometry, the electronic charge distribution in their molecules, their lipophilicity, and their acidity. Principal component analysis (PCA) was used in the statistical analysis of the obtained data and the discussion of the dependency between the structure and activity (SAR: structure–activity relationship) of HBAs. This work provides valuable information on the potential application of hydroxybenzoic acids as bioactive components in dietary supplements, functional foods, or even drugs.
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Affiliation(s)
- Monika Kalinowska
- Department of Chemistry, Biology and Biotechnology, Bialystok University of Technology, Wiejska 45E Street, 15-351 Bialystok, Poland; (E.G.); (G.Ś.); (R.Ś.); (M.S.)
- Correspondence:
| | - Ewelina Gołębiewska
- Department of Chemistry, Biology and Biotechnology, Bialystok University of Technology, Wiejska 45E Street, 15-351 Bialystok, Poland; (E.G.); (G.Ś.); (R.Ś.); (M.S.)
| | - Grzegorz Świderski
- Department of Chemistry, Biology and Biotechnology, Bialystok University of Technology, Wiejska 45E Street, 15-351 Bialystok, Poland; (E.G.); (G.Ś.); (R.Ś.); (M.S.)
| | - Sylwia Męczyńska-Wielgosz
- Institute of Nuclear Chemistry and Technology, 16 Dorodna Street, 03-195 Warsaw, Poland; (S.M.-W.); (H.L.)
| | - Hanna Lewandowska
- Institute of Nuclear Chemistry and Technology, 16 Dorodna Street, 03-195 Warsaw, Poland; (S.M.-W.); (H.L.)
| | - Anna Pietryczuk
- Department of Water Ecology, Faculty of Biology, University of Bialystok, Ciolkowskiego 1J Street, 15-245 Bialystok, Poland; (A.P.); (A.C.)
| | - Adam Cudowski
- Department of Water Ecology, Faculty of Biology, University of Bialystok, Ciolkowskiego 1J Street, 15-245 Bialystok, Poland; (A.P.); (A.C.)
| | - Aleksander Astel
- Environmental Chemistry Research Unit, Institute of Biology and Earth Sciences, Pomeranian University in Słupsk, Arciszewskiego 22a Street, 76-200 Słupsk, Poland;
| | - Renata Świsłocka
- Department of Chemistry, Biology and Biotechnology, Bialystok University of Technology, Wiejska 45E Street, 15-351 Bialystok, Poland; (E.G.); (G.Ś.); (R.Ś.); (M.S.)
| | - Mariola Samsonowicz
- Department of Chemistry, Biology and Biotechnology, Bialystok University of Technology, Wiejska 45E Street, 15-351 Bialystok, Poland; (E.G.); (G.Ś.); (R.Ś.); (M.S.)
| | - Anna Barbara Złowodzka
- Faculty of Chemistry, Warsaw University of Technology, Noakowskiego 3 Street, 00-664 Warszawa, Poland;
| | - Waldemar Priebe
- Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, 1901 East Rd., Houston, TX 77054, USA;
| | - Włodzimierz Lewandowski
- Institute of Agricultural and Food Biotechnology—State Research Institute, Rakowiecka 36 Street, 02-532 Warsaw, Poland;
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Ammar AM, El-Naenaeey ESY, El-Malt RMS, El-Gedawy AA, Khalifa E, Elnahriry SS, Abd El-Hamid MI. Prevalence, Antimicrobial Susceptibility, Virulence and Genotyping of Campylobacter jejuni with a Special Reference to the Anti-Virulence Potential of Eugenol and Beta-Resorcylic Acid on Some Multi-Drug Resistant Isolates in Egypt. Animals (Basel) 2020; 11:E3. [PMID: 33375019 PMCID: PMC7822005 DOI: 10.3390/ani11010003] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 12/09/2020] [Accepted: 12/10/2020] [Indexed: 12/14/2022] Open
Abstract
Campylobacter jejuni is the leading cause of foodborne bacterial gastroenteritis in humans worldwide. Contaminated chickens and their products are the main sources of human campylobacteriosis. Therefore, this study aimed to detect the genotypic and virulence genes' profiles of multi-drug resistant (MDR) C. jejuni isolates and to assess the effects of sub-inhibitory concentrations (SICs) of eugenol and beta-resorcylic acid on the virulence of avian MDR C. jejuni isolates. These isolates were clustered together with the human isolates via enterobacterial repetitive intergenic consensus-PCR (ERIC-PCR) fingerprinting. A total of 345 samples were collected from human stool (100) and different chicken (245) samples in Sharkia Governorate, Egypt. Conventional phenotypic methods identified 113 isolates (32.8%) as C. jejuni, and all C. jejuni isolates were MDR and resistant to erythromycin and ampicillin. The genes virB11, wlaN, and flaA were detected in 52%, 36% and 100% strains, respectively. ERIC-PCR yielded 14 profiles and five main clusters. Interestingly, human and chicken C. jejuni isolates were clustered together in ERIC-PCR clusters II-V, which confirmed the genetic relatedness between the isolates from both origins. Beta-resorcylic acid and eugenol inhibited the invasion of C. jejuni isolates to chicken intestinal cells by 41.66-38.19% and 31.94-29.16%, respectively, and minimized the transcription of flaA, virB11, and wlaN genes in the tested isolates by real-time quantitative reverse transcription PCR (qRT-PCR). In essence, eugenol and beta-resorcylic acid are promising natural antimicrobials for minimizing the virulence of MDR C. jejuni in chickens, thereby managing human campylobacteriosis.
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Affiliation(s)
- Ahmed M. Ammar
- Department of Microbiology, Faculty of Veterinary Medicine, Zagazig University, Zagazig 44519, Egypt; (A.M.A.); (E.-S.Y.E.-N.); (M.I.A.E.-H.)
| | - El-Sayed Y. El-Naenaeey
- Department of Microbiology, Faculty of Veterinary Medicine, Zagazig University, Zagazig 44519, Egypt; (A.M.A.); (E.-S.Y.E.-N.); (M.I.A.E.-H.)
| | - Rania M. S. El-Malt
- Department of Microbiology, Animal Health Research Institute, Zagazig 44516, Egypt
| | - Attia A. El-Gedawy
- Tuberculosis Unit, Department of Bacteriology, Animal Health Research Institute, Giza 12618, Egypt;
| | - Eman Khalifa
- Department of Microbiology, Faculty of Veterinary Medicine, Matrouh University, Matrouh 51511, Egypt;
| | - Shimaa S. Elnahriry
- Department of Bacteriology, Mycology and Immunology, Faculty of Veterinary Medicine, University of Sadat City, Menofia 32897, Egypt;
| | - Marwa I. Abd El-Hamid
- Department of Microbiology, Faculty of Veterinary Medicine, Zagazig University, Zagazig 44519, Egypt; (A.M.A.); (E.-S.Y.E.-N.); (M.I.A.E.-H.)
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Zhou S, Sheen S, Zhao G, Chuang S, Liu L. Prediction of Salmonella inactivation in sliced tomato subject to high pressure processing and trans-cinnamaldehyde treatment using selective and non-selective growth media for survival evaluations. Food Control 2020. [DOI: 10.1016/j.foodcont.2020.107441] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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Pobiega K, Przybył JL, Żubernik J, Gniewosz M. Prolonging the Shelf Life of Cherry Tomatoes by Pullulan Coating with Ethanol Extract of Propolis During Refrigerated Storage. FOOD BIOPROCESS TECH 2020. [DOI: 10.1007/s11947-020-02487-w] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
AbstractCherry tomatoes are one of the most popular tomato varieties known for their bioactive compounds and sensory properties. One way to reduce the contamination of tomato is to coat them with natural or antimicrobial substances. In this study, an ethanolic extract of propolis (EEP) was obtained, and its chemical composition was analyzed using high-performance liquid chromatography with diode array detector (HPLC-DAD), and minimum inhibitory concentration (MIC) and the minimum bactericidal/fungicidal concentration (MBC/MFC) were determined using the serial microdilution method. The antimicrobial activity of 5 and 10% EEP and pullulan films containing EEP (5 and 10%) against Listeria monocytogenes, Salmonella Typhimurium, Escherichia coli O157, Penicillium chrysogenum, Fusarium solani, and Botrytis cinerea were compared. The influence of a pullulan coating containing EEP (5 and 10%) on reducing the number of bacteria and molds, physicochemical properties (weight loss (WL), total soluble solids (TSS), titratable acidity (TA), maturity index, pH, and color), and sensory properties (color and brightness of skin, aroma, flavor, overall quality, and general preference) of cherry tomatoes during refrigerated storage was evaluated. Pullulan films with EEP inhibited the growth of microorganisms on cherry tomatoes. These coatings did not affect the TSS and pH values of tomatoes, but a slight decrease in TA and WL was observed. Cherry tomatoes coated with pullulan coatings containing EEP did not show any adverse changes in their sensory properties. It was found that the addition of EEP to the pullulan coatings enriched them with antimicrobial properties and enhanced their action while reducing the WL and maturation time of cherry tomatoes.
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Berdejo D, Merino N, Pagán E, García-Gonzalo D, Pagán R. Genetic Variants and Phenotypic Characteristics of Salmonella Typhimurium-Resistant Mutants after Exposure to Carvacrol. Microorganisms 2020; 8:microorganisms8060937. [PMID: 32580471 PMCID: PMC7356045 DOI: 10.3390/microorganisms8060937] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 06/17/2020] [Accepted: 06/19/2020] [Indexed: 12/12/2022] Open
Abstract
The emergence of antimicrobial resistance has raised questions about the safety of essential oils and their individual constituents as food preservatives and as disinfection agents. Further research is required to understand how and under what conditions stable genotypic resistance might occur in food pathogens. Evolution experiments on Salmonella Typhimurium cyclically exposed to sublethal and lethal doses of carvacrol permitted the isolation of SeSCar and SeLCar strains, respectively. Both evolved strains showed a significant increase in carvacrol resistance, assessed by minimum inhibitory and bactericidal concentrations, the study of growth kinetics in the presence of carvacrol, and the evaluation of survival under lethal conditions. Moreover, antibiotic susceptibility tests revealed a development of SeLCar resistance to a wide range of antibiotics. Whole genome sequencing allowed the identification of single nucleotide variations in transcriptional regulators of oxidative stress-response: yfhP in SeSCar and soxR in SeLCar, which could be responsible for the increased resistance by improving the response to carvacrol and preventing its accumulation inside the cell. This study demonstrates the emergence of S. Typhimurium-resistant mutants against carvacrol, which might pose a risk to food safety and should therefore be considered in the design of food preservation strategies, or of cleaning and disinfection treatments.
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Wagle BR, Arsi K, Shrestha S, Upadhyay A, Upadhyaya I, Bhargava K, Donoghue A, Donoghue DJ. Eugenol as an antimicrobial wash treatment reducesCampylobacter jejuniin postharvest poultry. J Food Saf 2019. [DOI: 10.1111/jfs.12704] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Basanta R. Wagle
- Department of Poultry ScienceUniversity of Arkansas Fayetteville Arkansas
| | - Komala Arsi
- Department of Poultry ScienceUniversity of Arkansas Fayetteville Arkansas
| | - Sandip Shrestha
- Department of Poultry ScienceUniversity of Arkansas Fayetteville Arkansas
| | - Abhinav Upadhyay
- Department of Animal ScienceUniversity of Connecticut Storrs Connecticut
| | - Indu Upadhyaya
- School of AgricultureTennessee Tech University Cookeville Tennessee
| | - Kanika Bhargava
- Department of Human Environmental SciencesUniversity of Central Oklahoma Edmond Oklahoma
| | - Annie Donoghue
- Poultry Production and Product Safety Research UnitARS, USDA Fayetteville Arkansas
| | - Dan J. Donoghue
- Department of Poultry ScienceUniversity of Arkansas Fayetteville Arkansas
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Olaimat AN, Al‐Holy MA, Abu Ghoush MH, Al‐Nabulsi AA, Osaili TM, Holley RA. Inhibitory effects of cinnamon and thyme essential oils against
Salmonella
spp. in hummus (chickpea dip). J FOOD PROCESS PRES 2019. [DOI: 10.1111/jfpp.13925] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Amin N. Olaimat
- Faculty of Applied Medical Sciences, Department of Clinical Nutrition and Dietetics Hashemite University Zarqa Jordan
| | - Murad A. Al‐Holy
- Faculty of Applied Medical Sciences, Department of Clinical Nutrition and Dietetics Hashemite University Zarqa Jordan
| | - Mahmoud H. Abu Ghoush
- Faculty of Applied Medical Sciences, Department of Clinical Nutrition and Dietetics Hashemite University Zarqa Jordan
| | - Anas A. Al‐Nabulsi
- Department of Nutrition and Food Technology Jordan University of Science and Technology Irbid Jordan
| | - Tareq M. Osaili
- Department of Nutrition and Food Technology Jordan University of Science and Technology Irbid Jordan
- Department of Clinical Nutrition and Dietetics, College of Health Sciences University of Sharjah Sharjah UAE
| | - Rick A. Holley
- Faculty of Agricultural and Food Sciences, Department of Food and Human Nutritional Sciences University of Manitoba Winnipeg Manitoba Canada
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13
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Shrestha S, Wagle BR, Upadhyay A, Arsi K, Upadhyaya I, Donoghue DJ, Donoghue AM. Edible Coatings Fortified With Carvacrol Reduce Campylobacter jejuni on Chicken Wingettes and Modulate Expression of Select Virulence Genes. Front Microbiol 2019; 10:583. [PMID: 30984132 PMCID: PMC6448016 DOI: 10.3389/fmicb.2019.00583] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Accepted: 03/07/2019] [Indexed: 01/23/2023] Open
Abstract
Campylobacter jejuni, a leading cause of foodborne disease in humans, associate primarily with consumption of contaminated poultry and poultry products. Intervention strategies aimed at reducing C. jejuni contamination on poultry products could significantly reduce C. jejuni infection in humans. This study evaluated the efficacy of gum arabic (GA) and chitosan (CH) fortified with carvacrol (CR) as an antimicrobial coating treatment for reducing C. jejuni on chicken wingettes. Aforementioned compounds are generally recognized as safe status compounds obtained from gum arabic tree, crustaceans and oregano oil respectively. A total of four separate trials were conducted in which wingettes were randomly assigned to baseline, saline control (wingettes washed with saline), GA (10%), CH (2%), CR (0.25, 0.5, or 1%) or their combinations. Each wingette was inoculated with a cocktail of four wild-type strains of C. jejuni (∼7.5 log10 cfu/sample). Following 1 min of coating in aforementioned treatments, wingettes were air dried (1 h) and sampled at 0, 1, 3, 5, and 7 days of refrigerated storage for C. jejuni and total aerobic counts (n = 5 wingettes/treatment/day). In addition, the effect of treatments on wingette color was measured using a Minolta colorimeter. Furthermore, the effect of treatments on the expression of C. jejuni survival/virulence genes was evaluated using real-time quantitative PCR. Results showed that all three doses of CR, CH or GA-based coating fortified with CR reduced C. jejuni from day 0 through 7 by up to 3.0 log10 cfu/sample (P < 0.05). The antimicrobial efficacy of GA was improved by CR and the coatings reduced C. jejuni by ∼1 to 2 log10 cfu/sample at day 7. Moreover, CH + CR coatings reduced total aerobic counts when compared with non-coated samples for a majority of the storage times. No significant difference in the color of chicken wingettes was observed between treatments. Exposure of pathogen to sublethal concentrations of CR, CH or combination significantly modulated select genes encoding for energy taxis (cetB), motility (motA), binding (cadF), and attachment (jlpA). The results suggest that GA or CH-based coating with CR could potentially be used as a natural antimicrobial to control C. jejuni in postharvest poultry products.
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Affiliation(s)
- Sandip Shrestha
- Department of Poultry Science, University of Arkansas, Fayetteville, AR, United States
| | - Basanta R. Wagle
- Department of Poultry Science, University of Arkansas, Fayetteville, AR, United States
| | - Abhinav Upadhyay
- Department of Animal Science, University of Connecticut, Storrs, CT, United States
| | - Komala Arsi
- Department of Poultry Science, University of Arkansas, Fayetteville, AR, United States
| | - Indu Upadhyaya
- School of Agriculture, Tennessee Tech University, Cookeville, TN, United States
| | - Dan J. Donoghue
- Department of Poultry Science, University of Arkansas, Fayetteville, AR, United States
| | - Annie M. Donoghue
- Poultry Production and Product Safety Research Unit, United States Department of Agriculture-Agriculture Research Service, Fayetteville, AR, United States
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14
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Wagle BR, Upadhyay A, Shrestha S, Arsi K, Upadhyaya I, Donoghue AM, Donoghue DJ. Pectin or chitosan coating fortified with eugenol reduces Campylobacter jejuni on chicken wingettes and modulates expression of critical survival genes. Poult Sci 2019; 98:1461-1471. [PMID: 30407605 PMCID: PMC6377438 DOI: 10.3382/ps/pey505] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Accepted: 10/12/2018] [Indexed: 12/18/2022] Open
Abstract
Campylobacter jejuni infection in humans is strongly associated with the consumption of contaminated poultry products. With increasing consumer demand for minimally processed and natural product, there is a need for novel intervention strategies for controlling C. jejuni. Antimicrobial coatings are increasingly being used for preventing food contamination due to their efficacy and continuous protection of product. This study investigated the efficacy of pectin and chitosan coating fortified with eugenol to reduce C. jejuni on chicken wingettes. Pectin, chitosan, and eugenol are generally recognized as safe status compounds derived from berries, crustaceans, and cloves respectively. Each wingette was inoculated with a mixture of 4 wild-type strains of C. jejuni (approximately 107 CFU/sample) and randomly assigned to controls, pectin (3%), chitosan (2%), eugenol (0.5, 1, or 2%), or their combinations. Following 1 min of coating, wingettes were air-dried, vacuum sealed, and sampled on 0, 1, 3, 5, and 7 d of refrigerated storage for C. jejuni and aerobic counts (n = 5 wingettes/treatment/d). In addition, the effect of treatments on wingette color and expression of C. jejuni survival/virulence genes was evaluated. All 3 doses of eugenol or chitosan significantly reduced C. jejuni and aerobic bacteria from 0 d through 7 d. Incorporation of 2% eugenol in chitosan improved coating efficiency and reduced C. jejuni counts by approximately 3 Log CFU/sample at the end of 7 d of storage (P < 0.05). Similarly, the antimicrobial efficacy of pectin was improved by 2% eugenol and the coating reduced C. jejuni by approximately 2 Log CFU/sample at 7 d of storage. Chitosan coating with 2% eugenol also showed greater reductions of total aerobic counts as compared to individual treatments of eugenol and chitosan. No significant difference in the color of chicken wingettes was observed between treatments. Exposure of C. jejuni to eugenol, chitosan, or combination significantly modulated select genes encoding for motility, quorum sensing, and stress response. Results demonstrate the potential of pectin or chitosan coating fortified with eugenol as a postharvest intervention against C. jejuni contamination on poultry products.
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Affiliation(s)
- B R Wagle
- Department of Poultry Science, University of Arkansas, Fayetteville, AR 72701, USA
| | - A Upadhyay
- Department of Poultry Science, University of Arkansas, Fayetteville, AR 72701, USA
| | - S Shrestha
- Department of Poultry Science, University of Arkansas, Fayetteville, AR 72701, USA
| | - K Arsi
- Department of Poultry Science, University of Arkansas, Fayetteville, AR 72701, USA
| | - I Upadhyaya
- Department of Poultry Science, University of Arkansas, Fayetteville, AR 72701, USA
| | - A M Donoghue
- Poultry Production and Product Safety Research Unit, ARS, USDA, Fayetteville, AR 72701, USA
| | - D J Donoghue
- Department of Poultry Science, University of Arkansas, Fayetteville, AR 72701, USA
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15
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Gilling DH, Ravishankar S, Bright KR. Antimicrobial efficacy of plant essential oils and extracts against Escherichia coli. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART A, TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING 2019; 54:608-616. [PMID: 30821189 DOI: 10.1080/10934529.2019.1574153] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Accepted: 01/16/2019] [Indexed: 06/09/2023]
Abstract
The efficacies of 11 plant-derived antimicrobials were evaluated against Escherichia coli in vitro in solution at room temperature. These included lemongrass, cinnamon, and oregano essential oils and their active components (citral, cinnamaldehyde, and carvacrol, respectively). Allspice and clove bud oils and olive, green tea, and grape seed extracts were also studied. The efficacies of the antimicrobials were both concentration- and exposure time-dependent. The essential oils and their active components demonstrated statistically significant >5.0-log10 reductions within 1-10 min. The plant extracts were less effective; green tea and grape seed extracts required 24 h before significant reductions were observed (1.93-log10 and 5.05-log10, respectively). Nevertheless, olive extract exhibited a reduction of ∼5-log10 within 30 min. Most of these plant-derived compounds exhibited strong bactericidal activity and can potentially be applied as alternatives to chemicals for foods/food contact surfaces since they are generally recognized as safe (GRAS) for human consumption. They may also be useful in applications in which other antimicrobials have reduced efficacy (e.g., in the presence of organics) or used with sensitive populations that are unable to tolerate exposure to harsher chemicals (e.g., elderly care facilities). These compounds could be used alone, in combination, or with fast-acting antimicrobials to provide a long-lasting residual.
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Affiliation(s)
- Damian H Gilling
- a Department of Soil, Water and Environmental Science , Water and Energy Sustainable Technology Center, The University of Arizona , Tucson , Arizona , USA
- b School of Animal and Comparative Biomedical Sciences , The University of Arizona , Tucson , Arizona , USA
| | - Sadhana Ravishankar
- b School of Animal and Comparative Biomedical Sciences , The University of Arizona , Tucson , Arizona , USA
| | - Kelly R Bright
- a Department of Soil, Water and Environmental Science , Water and Energy Sustainable Technology Center, The University of Arizona , Tucson , Arizona , USA
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16
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Antibacterial activities of plant-derived compounds and essential oils against Cronobacter strains. Eur Food Res Technol 2018. [DOI: 10.1007/s00217-018-3218-x] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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17
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Ruengvisesh S, Oh JK, Kerth CR, Akbulut M, Matthew Taylor T. Inhibition of bacterial human pathogens on tomato skin surfaces using eugenol‐loaded surfactant micelles during refrigerated and abuse storage. J Food Saf 2018. [DOI: 10.1111/jfs.12598] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Affiliation(s)
| | - Jun Kyun Oh
- Department of Materials Science and Engineering Texas A&M University College Station Texas
| | - Chris R. Kerth
- Department of Animal Science Texas A&M University College Station Texas
| | - Mustafa Akbulut
- Artie McFerrin Department of Chemical Engineering Texas A&M University College Station Texas
| | - T. Matthew Taylor
- Department of Animal Science Texas A&M University College Station Texas
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18
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V T Nair D, Venkitanarayanan K, Kollanoor Johny A. Antibiotic-Resistant Salmonella in the Food Supply and the Potential Role of Antibiotic Alternatives for Control. Foods 2018; 7:E167. [PMID: 30314348 PMCID: PMC6210005 DOI: 10.3390/foods7100167] [Citation(s) in RCA: 141] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Revised: 10/03/2018] [Accepted: 10/03/2018] [Indexed: 01/21/2023] Open
Abstract
Salmonella enterica is one of the most ubiquitous enteropathogenic bacterial species on earth, and comprises more than 2500 serovars. Widely known for causing non-typhoidal foodborne infections (95%), and enteric (typhoid) fever in humans, Salmonella colonizes almost all warm- and cold-blooded animals, in addition to its extra-animal environmental strongholds. The last few decades have witnessed the emergence of highly virulent and antibiotic-resistant Salmonella, causing greater morbidity and mortality in humans. The emergence of several Salmonella serotypes resistant to multiple antibiotics in food animals underscores a significant food safety hazard. In this review, we discuss the various antibiotic-resistant Salmonella serotypes in food animals and the food supply, factors that contributed to their emergence, their antibiotic resistance mechanisms, the public health implications of their spread through the food supply, and the potential antibiotic alternatives for controlling them.
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Affiliation(s)
- Divek V T Nair
- Department of Animal Science, University of Minnesota, Saint Paul, MN 55108 USA.
| | | | - Anup Kollanoor Johny
- Department of Animal Science, University of Minnesota, Saint Paul, MN 55108 USA.
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19
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Chung D, Cho TJ, Rhee MS. Citrus fruit extracts with carvacrol and thymol eliminated 7-log acid-adapted Escherichia coli O157:H7, Salmonella typhimurium, and Listeria monocytogenes: A potential of effective natural antibacterial agents. Food Res Int 2018; 107:578-588. [PMID: 29580522 DOI: 10.1016/j.foodres.2018.03.011] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Revised: 03/03/2018] [Accepted: 03/04/2018] [Indexed: 01/21/2023]
Abstract
Despite the widespread belief that citrus fruit extracts (CFEs) are microbiologically safe due to their acidity, limited bactericidal effect results in low applicability as antibacterial agent and outbreaks occurred by acid-adapted pathogens. Here, we examined the antibacterial effects of CFEs [lime (Citrus medica), lemon (Citrus limon), calamansi (Citrus microcarpa)] combined with essential oil components (EOCs; carvacrol and thymol) against non-acid-adapted/acid-adapted Escherichia coli O157:H7, Salmonella Typhimurium, and Listeria monocytogenes under 22 °C for 5 min. CFEs (<20%) alone or small amounts of EOCs (2.0 mM; 0.032%) alone could not inactivate the target bacteria effectively. However, combined treatments exhibited marked synergy: CFE + EOCs eliminated all the bacteria (>6.9 log CFU/ml). Among the CFEs tested, the highest synergism was shown by calamansi, an exotic citrus fruit previously unrecognized as an antibacterial agent. Although acid-adaptation improved bacterial survival, calamansi (<20%) + EOCs (<0.032%) completely inactivated even the most resistant pathogen (E. coli O157:H7). Validation test also showed that all tested commercial juice products also eliminated acid-adapted pathogens when used with EOCs. Physicochemical analysis of tested CFEs (pH measurement and HPLC analysis of components) revealed that low pH and flavanone (hesperidin) did not contribute to the synergistic bactericidal effects. Rather, the high citric acid content is likely to contribute to the strong synergistic effect with EOCs by damaging susceptible bacterial membranes. Sensory scores for CFEs were not altered by addition of EOCs at concentrations up to 1.5 mM. This study provides new insight into the utility of CFEs with EOCs to improve not only the microbiological safety of food products containing CFEs but also their applicability as natural antibacterial complex.
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Affiliation(s)
- Doohyun Chung
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea
| | - Tae Jin Cho
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea
| | - Min Suk Rhee
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea.
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20
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Klangpetch W, Noma S. Inhibitory Effects of Nisin Combined with Plant-derived Antimicrobials on Pathogenic Bacteria and the Interaction with Complex Food Systems. FOOD SCIENCE AND TECHNOLOGY RESEARCH 2018. [DOI: 10.3136/fstr.24.609] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- Wannaporn Klangpetch
- Department of Agro-Industry, Faculty of Agriculture Natural Resources and Environment, Naresuan University
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21
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Friedman M. Chemistry, Antimicrobial Mechanisms, and Antibiotic Activities of Cinnamaldehyde against Pathogenic Bacteria in Animal Feeds and Human Foods. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2017; 65:10406-10423. [PMID: 29155570 DOI: 10.1021/acs.jafc.7b04344] [Citation(s) in RCA: 117] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Cinnamaldehyde is a major constituent of cinnamon essential oils produced by aromatic cinnamon plants. This compound has been reported to exhibit antimicrobial properties in vitro in laboratory media and in animal feeds and human foods contaminated with disease-causing bacteria including Bacillus cereus, Campylobacter jejuni, Clostridium perfringens, Escherichia coli, Listeria monocytogenes, and Salmonella enterica. This integrated review surveys and interprets our current knowledge of the chemistry, analysis, safety, mechanism of action, and antibiotic activities of cinnamaldehyde in food animal (cattle, lambs, calves, pigs, poultry) diets and in widely consumed liquid (apple, carrot, tomato, and watermelon juices, milk) and solid foods. Solid foods include various fruits (bayberries, blueberries, raspberries, and strawberries), vegetables (carrots, celery, lettuce, spinach, cucumbers, and tomatoes), meats (beef, ham, pork, and frankfurters), poultry (chickens and turkeys), seafood (oysters and shrimp), bread, cheese, eggs, infant formula, and peanut paste. The described findings are not only of fundamental interest but also have practical implications for food safety, nutrition, and animal and human health. The collated information and suggested research needs will hopefully facilitate and guide further studies needed to optimize the use of cinnamaldehyde alone and in combination with other natural antimicrobials and medicinal antibiotics to help prevent and treat food animal and human diseases.
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Affiliation(s)
- Mendel Friedman
- Healthy Processed Foods Research, Western Regional Research Center, Agricultural Research Service, U.S. Department of Agriculture , Albany, California 94710, United States
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22
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Park JB, Kang JH, Song KB. Antibacterial activities of a cinnamon essential oil with cetylpyridinium chloride emulsion against Escherichia coli O157:H7 and Salmonella Typhimurium in basil leaves. Food Sci Biotechnol 2017; 27:47-55. [PMID: 30263723 DOI: 10.1007/s10068-017-0241-9] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Revised: 09/27/2017] [Accepted: 09/27/2017] [Indexed: 10/18/2022] Open
Abstract
This study examined the antibacterial activities of two different cinnamon essential oil emulsions against Escherichia coli O157:H7 and Salmonella Typhimurium on basil leaves. Cinnamon oil (0.25%) treatments containing CPC (0.05%) exhibited greater effects on the pathogenic bacteria than cinnamon oil treatment without this emulsifier (p < 0.05). Treatment with cinnamon bark and leaf oil emulsions (CBE and CLE, respectively) reduced the populations of E. coli O157:H7 by 4.10 and 5.10 log CFU/g, and S. Typhimurium by 2.71 and 2.82 log CFU/g, respectively. Scanning electron micrographs showed morphological changes in the two pathogenic bacteria following emulsion treatment. In addition, there was no difference in the color or ascorbic acid content of the basil leaves by the emulsion treatment. These results suggest that CBE or CLE treatment can be an effective way to ensure the microbial safety of minimally processed vegetables and a good alternative to chlorination treatment in the fresh produce industry.
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Affiliation(s)
- Jun-Beom Park
- Department of Food Science and Technology, Chungnam National University, Daejeon, 34134 Republic of Korea
| | - Ji-Hoon Kang
- Department of Food Science and Technology, Chungnam National University, Daejeon, 34134 Republic of Korea
| | - Kyung Bin Song
- Department of Food Science and Technology, Chungnam National University, Daejeon, 34134 Republic of Korea
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23
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Muller J, Casado Quesada A, González-Martínez C, Chiralt A. Antimicrobial properties and release of cinnamaldehyde in bilayer films based on polylactic acid (PLA) and starch. Eur Polym J 2017. [DOI: 10.1016/j.eurpolymj.2017.09.009] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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24
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Antimicrobial activity of gelatin films based on duck feet containing cinnamon leaf oil and their applications in packaging of cherry tomatoes. Food Sci Biotechnol 2017; 26:1429-1435. [PMID: 30263679 DOI: 10.1007/s10068-017-0175-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Revised: 05/29/2017] [Accepted: 06/12/2017] [Indexed: 10/19/2022] Open
Abstract
Duck feet gelatin (DFG) films were prepared and applied to the packaging of cherry tomatoes. Cinnamon leaf oil (CLO) was incorporated into the DFG films at concentrations of 0.5, 1.0, and 1.5% to provide antimicrobial activity. The DFG films with 1.0% CLO incorporation exhibited the most desirable tensile strength (41.6 MPa) and elongation at break (18.5%). Regarding the antimicrobial activity, the DFG films containing CLO significantly inhibited the growth of foodborne pathogens. In addition, the DFG film with 1.0% CLO was employed in the coating and wrapping of cherry tomatoes inoculated with Salmonella typhimurium. The DFG film with 1.0% CLO incorporation reduced the population of the bacteria to below the detection limit. Moreover, the DFG film with CLO delayed the color change on cherry tomatoes. Overall, the DFG film with CLO enhanced the shelf life of cherry tomatoes and can be used as an antimicrobial packaging.
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25
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Wagle BR, Arsi K, Upadhyay A, Shrestha S, Venkitanarayanan K, Donoghue AM, Donoghue DJ. β-Resorcylic Acid, a Phytophenolic Compound, Reduces Campylobacter jejuni in Postharvest Poultry. J Food Prot 2017; 80:1243-1251. [PMID: 28686495 DOI: 10.4315/0362-028x.jfp-16-475] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Human Campylobacter infections, a leading foodborne illness globally, has been linked with the high prevalence of this bacterium on raw retail chicken products. Reduction of Campylobacter counts on poultry products would greatly reduce the risk of subsequent infections in humans. To this end, this study investigated the potential of the phytophenolic compound β-resorcylic acid (BR) to reduce Campylobacter counts on postharvest poultry (chicken skin or meat). Four trials in total, two each on thigh skin or breast meat, were conducted in which chicken skin or meat samples (2 ± 0.1 g; 10 samples per treatment) were inoculated with 50 μL (∼106 CFU per sample) of a cocktail of four wild strains of C. jejuni. After 30 min of attachment, inoculated samples were dipped in a 0, 0.5, 1, or 2% BR solution for 30 s immediately followed by vigorously vortexing the samples in Butterfield's phosphate diluent and plating the supernatant for Campylobacter enumeration. In addition, the effect of BR on the color of skin and meat samples was studied. Moreover, the change in the expression of survival and virulence genes of C. jejuni exposed to BR was evaluated. Data were analyzed by the PROC MIXED procedure of SAS (P < 0.05; SAS Institute Inc., Cary, NC). All BR treatments significantly reduced Campylobacter populations on both chicken or meat samples by 1 to 3 log CFU/g compared with non-BR-treated washed controls. No significant difference in the lightness, redness, and yellowness of skin and meat samples was observed on exposure to BR wash (P > 0.05). Real-time PCR results revealed that BR treatment down-regulated expression of select genes coding for motility (motA, motB) and attachment (cadF, ciaB) in the majority of C. jejuni strains. Stress response genes (sodB, katA) were upregulated in C. jejuni S-8 (P < 0.05). Overall, our results suggest that BR could be effectively used as antimicrobial dip treatment during poultry processing for reducing Campylobacter on chicken carcasses.
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Affiliation(s)
- B R Wagle
- 1 Department of Poultry Science, University of Arkansas, Fayetteville, Arkansas 72701
| | - K Arsi
- 1 Department of Poultry Science, University of Arkansas, Fayetteville, Arkansas 72701
| | - A Upadhyay
- 1 Department of Poultry Science, University of Arkansas, Fayetteville, Arkansas 72701
| | - S Shrestha
- 1 Department of Poultry Science, University of Arkansas, Fayetteville, Arkansas 72701
| | - K Venkitanarayanan
- 2 Department of Animal Science, University of Connecticut, Storrs, Connecticut 06269; and
| | - A M Donoghue
- 3 U.S. Department of Agriculture, Agricultural Research Service, Poultry Production and Product Safety Research Unit, Fayetteville, Arkansas 72701, USA
| | - D J Donoghue
- 1 Department of Poultry Science, University of Arkansas, Fayetteville, Arkansas 72701
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26
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Blavi L, Solà-Oriol D, Mallo JJ, Pérez JF. Anethol, cinnamaldehyde, and eugenol inclusion in feed affects postweaning performance and feeding behavior of piglets. J Anim Sci 2017; 94:5262-5271. [PMID: 28046155 DOI: 10.2527/jas.2016-0760] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
The early exposure of the fetus to certain volatiles may result in a further preference for these compounds later in life and could positively affect the acceptance of feed containing a similar flavor and the zootechnical responses. The study consisted of 2 trials to determine if including Fluidarom 1003 (a commercially flavored feed additive containing >25% anethol and cinnamaldehyde and >10% eugenol; Norel S.A., Madrid, Spain, Spain) in sow and postweaning piglet diets 1) provokes the presence or absence of 3 major volatile compounds (anethol, cinnamaldehyde, and eugenol) in amniotic fluid and milk, affecting piglet performance (BW, ADG, ADFI, and feed conversion ratio) after weaning, and 2) modifies creep feed consumption and feed preference in a 2-choice test. The major compounds, anethol, cinnamaldehyde, and eugenol, were detected in amniotic fluid; however, only traces were observed in milk. The inclusion of flavor in the sow diets improved piglet consumption and growth after weaning ( = 0.001). Furthermore, the positive reward associated with the flavor included in the sow diet was stronger when piglets were offered a nonflavored creep feed ( < 0.05). Therefore, early exposure of pigs' fetuses to maternal dietary clues at the end of gestation might allow for conditioning pigs after weaning.
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27
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Wagle BR, Upadhyay A, Arsi K, Shrestha S, Venkitanarayanan K, Donoghue AM, Donoghue DJ. Application of β-Resorcylic Acid as Potential Antimicrobial Feed Additive to Reduce Campylobacter Colonization in Broiler Chickens. Front Microbiol 2017; 8:599. [PMID: 28428779 PMCID: PMC5382206 DOI: 10.3389/fmicb.2017.00599] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2017] [Accepted: 03/23/2017] [Indexed: 12/18/2022] Open
Abstract
Campylobacter is one of the major foodborne pathogens that result in severe gastroenteritis in humans, primarily through consumption of contaminated poultry products. Chickens are the reservoir host of Campylobacter, where the pathogen colonizes the ceca, thereby leading to contamination of carcass during slaughter. A reduction in cecal colonization by Campylobacter would directly translate into reduced product contamination and risk of human infections. With increasing consumer demand for antibiotic free chickens, significant research is being conducted to discover natural, safe and economical antimicrobials that can effectively control Campylobacter colonization in birds. This study investigated the efficacy of in-feed supplementation of a phytophenolic compound, β-resorcylic acid (BR) for reducing Campylobacter colonization in broiler chickens. In two separate, replicate trials, day-old-chicks (Cobb500; n = 10 birds/treatment) were fed with BR (0, 0.25, 0.5, or 1%) in feed for a period of 14 days (n = 40/trial). Birds were challenged with a four-strain mixture of Campylobacter jejuni (∼106 CFU/ml; 250 μl/bird) on day 7 and cecal samples were collected on day 14 for enumerating surviving Campylobacter in cecal contents. In addition, the effect of BR on the critical colonization factors of Campylobacter (motility, epithelial cell attachment) was studied using phenotypic assay, cell culture, and real-time quantitative PCR. Supplementation of BR in poultry feed for 14 days at 0.5 and 1% reduced Campylobacter populations in cecal contents by ∼2.5 and 1.7 Log CFU/g, respectively (P < 0.05). No significant differences in feed intake and body weight gain were observed between control and treatment birds fed the compound (P > 0.05). Follow up mechanistic analysis revealed that sub-inhibitory concentration of BR significantly reduced Campylobacter motility, attachment to and invasion of Caco-2 cells. In addition, the expression of C. jejuni genes coding for motility (motA, motB, fliA) and attachment (jlpA, ciaB) was down-regulated as compared to controls (P < 0.05). These results suggest that BR could potentially be used as a feed additive to reduce Campylobacter colonization in broilers.
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Affiliation(s)
- Basanta R Wagle
- Department of Poultry Science, University of Arkansas, FayettevilleAR, USA
| | - Abhinav Upadhyay
- Department of Poultry Science, University of Arkansas, FayettevilleAR, USA
| | - Komala Arsi
- Department of Poultry Science, University of Arkansas, FayettevilleAR, USA
| | - Sandip Shrestha
- Department of Poultry Science, University of Arkansas, FayettevilleAR, USA
| | | | - Annie M Donoghue
- Poultry Production and Product Safety Research Unit, United States Department of Agriculture - Agriculture Research Service, FayettevilleAR, USA
| | - Dan J Donoghue
- Department of Poultry Science, University of Arkansas, FayettevilleAR, USA
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Kim S, Rhee M. Highly enhanced bactericidal effects of medium chain fatty acids (caprylic, capric, and lauric acid) combined with edible plant essential oils (carvacrol, eugenol, β-resorcylic acid, trans -cinnamaldehyde, thymol, and vanillin) against Escherichia coli O157:H7. Food Control 2016. [DOI: 10.1016/j.foodcont.2015.08.022] [Citation(s) in RCA: 80] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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Ruengvisesh S, Loquercio A, Castell-Perez E, Taylor TM. Inhibition of Bacterial Pathogens in Medium and on Spinach Leaf Surfaces using Plant-Derived Antimicrobials Loaded in Surfactant Micelles. J Food Sci 2015; 80:M2522-9. [PMID: 26444985 DOI: 10.1111/1750-3841.13085] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2015] [Accepted: 08/22/2015] [Indexed: 11/28/2022]
Abstract
UNLABELLED Encapsulation of hydrophobic plant essential oil components (EOC) into surfactant micelles can assist the decontamination of fresh produce surfaces from bacterial pathogens during postharvest washing. Loading of eugenol and carvacrol into surfactant micelles of polysorbate 20 (Tween 20), Surfynol® 485W, sodium dodecyl sulfate (SDS), and CytoGuard® LA 20 (CG20) was determined by identification of the EOC/surfactant-specific maximum additive concentration (MAC). Rheological behavior of dilute EOC-containing micelles was then tested to determine micelle tolerance to shearing. Antimicrobial efficacy of EOC micelles against Escherichia coli O157:H7 and Salmonella enterica serotype Saintpaul was first evaluated by the minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC). Pathogen-inoculated spinach was treated with eugenol-containing micelles applied via spraying or immersion methods. SDS micelles produced the highest MACs for EOCs, while Tween 20 loaded the lowest amount of EOCs. Micelles demonstrated Newtonian behavior in response to shearing. SDS and CG20-derived micelles containing EOCs produced the lowest MICs and MBCs for pathogens. E. coli O157:H7 and S. Saintpaul were reduced on spinach surfaces by application of eugenol micelles, though no differences in numbers of surviving pathogens were observed when methods of antimicrobial micelle application (spraying, immersion) was compared (P ≥ 0.05). Data suggest eugenol in SDS and CG20 micelles may be useful for produce surface decontamination from bacterial pathogens during postharvest washing. PRACTICAL APPLICATION Antimicrobial essential oil component (EOC)-containing micelles assist the delivery of natural food antimicrobials to food surfaces, including fresh produce, for decontamination of microbial foodborne pathogens. Antimicrobial EOC-loaded micelles were able to inhibit the enteric pathogens Escherichia coli O157:H7 and Salmonella Saintpaul in liquid medium and on spinach surfaces. However, pathogen reduction generally was not impacted by the method of micelle application (spraying, immersion washing) on spinach surfaces.
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Affiliation(s)
- Songsirin Ruengvisesh
- Dept. of Nutrition and Food Science, Texas A&M Univ, College Station, TX, 77843-2253, U.S.A
| | - Andre Loquercio
- Dept. of Nutrition and Food Science, Texas A&M Univ, College Station, TX, 77843-2253, U.S.A
| | - Elena Castell-Perez
- Dept. of Biological and Agricultural Engineering, Texas A&M Univ, College Station, TX, 77843-2117, U.S.A
| | - T Matthew Taylor
- Dept. of Animal Science, Texas A&M Univ, College Station, TX, 77843-2471, U.S.A
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Upadhyay A, Upadhyaya I, Karumathil DP, Yin HB, Nair MS, Bhattaram V, Chen CH, Flock G, Mooyottu S, Venkitanarayanan K. Control of Listeria monocytogenes on skinless frankfurters by coating with phytochemicals. Lebensm Wiss Technol 2015. [DOI: 10.1016/j.lwt.2015.03.100] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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31
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The combined efficacy of carvacrol and modified atmosphere packaging on the survival of Salmonella, Campylobacter jejuni and lactic acid bacteria on Turkey breast cutlets. Food Microbiol 2015; 49:134-41. [DOI: 10.1016/j.fm.2015.01.010] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2014] [Revised: 01/27/2015] [Accepted: 01/29/2015] [Indexed: 11/23/2022]
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32
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Olanya OM, Annous BA, Taylor J. Effects ofPseudomonas chlororaphisand gaseous chlorine dioxide on the survival ofSalmonella entericaon tomatoes. Int J Food Sci Technol 2015. [DOI: 10.1111/ijfs.12748] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Ocen Modesto Olanya
- Food Safety and Intervention Technology Research Unit; Eastern Regional Research Center; USDA Agricultural Research Service; 600 East Mermaid Lane Wyndmoor PA 19038 USA
| | - Bassam A. Annous
- Food Safety and Intervention Technology Research Unit; Eastern Regional Research Center; USDA Agricultural Research Service; 600 East Mermaid Lane Wyndmoor PA 19038 USA
| | - Janysha Taylor
- Food Safety and Intervention Technology Research Unit; Eastern Regional Research Center; USDA Agricultural Research Service; 600 East Mermaid Lane Wyndmoor PA 19038 USA
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Valverde MT, Cava-Roda R, Calvo L, Marín-Iniesta F. The effect of essential oils and cinnamaldehyde on the inactivation of Salmonella Enteritidis in liquid egg products: comparison to synthetic additives. Eur Food Res Technol 2014. [DOI: 10.1007/s00217-014-2399-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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34
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Efficacy of plant-derived compounds combined with hydrogen peroxide as antimicrobial wash and coating treatment for reducing Listeria monocytogenes on cantaloupes. Food Microbiol 2014; 44:47-53. [DOI: 10.1016/j.fm.2014.05.005] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2013] [Revised: 05/03/2014] [Accepted: 05/12/2014] [Indexed: 11/22/2022]
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35
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Nair DV, Nannapaneni R, Kiess A, Schilling W, Sharma CS. Reduction of Salmonella on Turkey Breast Cutlets by Plant-Derived Compounds. Foodborne Pathog Dis 2014; 11:981-7. [DOI: 10.1089/fpd.2014.1803] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Divek V.T. Nair
- Poultry Science Department, Mississippi State University, Mississippi State, Mississippi
| | - Rama Nannapaneni
- Department of Food Science, Nutrition, and Health Promotion, Mississippi State University, Mississippi State, Mississippi
| | - Aaron Kiess
- Poultry Science Department, Mississippi State University, Mississippi State, Mississippi
| | - Wes Schilling
- Department of Food Science, Nutrition, and Health Promotion, Mississippi State University, Mississippi State, Mississippi
| | - Chander Shekhar Sharma
- Poultry Science Department, Mississippi State University, Mississippi State, Mississippi
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36
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Scientific Opinion on the risk posed by pathogens in food of non-animal origin. Part 2 (Salmonellaand Norovirus in tomatoes). EFSA J 2014. [DOI: 10.2903/j.efsa.2014.3832] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
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37
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Ziuzina D, Patil S, Cullen P, Keener K, Bourke P. Atmospheric cold plasma inactivation of Escherichia coli, Salmonella enterica serovar Typhimurium and Listeria monocytogenes inoculated on fresh produce. Food Microbiol 2014; 42:109-16. [DOI: 10.1016/j.fm.2014.02.007] [Citation(s) in RCA: 226] [Impact Index Per Article: 22.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2013] [Revised: 01/13/2014] [Accepted: 02/11/2014] [Indexed: 10/25/2022]
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In situ evaluation of Paenibacillus alvei in reducing carriage of Salmonella enterica serovar Newport on whole tomato plants. Appl Environ Microbiol 2014; 80:3842-9. [PMID: 24747888 DOI: 10.1128/aem.00835-14] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Recently, tomatoes have been implicated as a primary vehicle in food-borne outbreaks of Salmonella enterica serovar Newport and other Salmonella serovars. Long-term intervention measures to reduce Salmonella prevalence on tomatoes remain elusive for growing and postharvest environments. A naturally occurring bacterium identified by 16S rRNA gene sequencing as Paenibacillus alvei was isolated epiphytically from plants native to the Virginia Eastern Shore tomato-growing region. After initial antimicrobial activity screening against Salmonella and 10 other bacterial pathogens associated with the human food supply, strain TS-15 was further used to challenge an attenuated strain of S. Newport on inoculated fruits, leaves, and blossoms of tomato plants in an insect-screened high tunnel with a split-plot design. Survival of Salmonella after inoculation was measured for groups with and those without the antagonist at days 0, 1, 2, and 3 and either day 5 for blossoms or day 6 for fruits and leaves. Strain TS-15 exhibited broad-range antimicrobial activity against both major food-borne pathogens and major bacterial phytopathogens of tomato. After P. alvei strain TS-15 was applied onto the fruits, leaves, and blossoms of tomato plants, the concentration of S. Newport declined significantly (P ≤ 0.05) compared with controls. Astonishingly, >90% of the plants had no detectable levels of Salmonella by day 5 for blossoms. The naturally occurring antagonist strain TS-15 is highly effective in reducing the carriage of Salmonella Newport on whole tomato plants. The application of P. alvei strain TS-15 is a promising approach for reducing the risk of Salmonella contamination during tomato production.
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Baskaran SA, Upadhyay A, Kollanoor-Johny A, Upadhyaya I, Mooyottu S, Roshni Amalaradjou MA, Schreiber D, Venkitanarayanan K. Efficacy of Plant-Derived Antimicrobials as Antimicrobial Wash Treatments for Reducing EnterohemorrhagicEscherichia ColiO157:H7 on Apples. J Food Sci 2013; 78:M1399-404. [DOI: 10.1111/1750-3841.12174] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2012] [Accepted: 04/30/2013] [Indexed: 12/01/2022]
Affiliation(s)
| | - Abhinav Upadhyay
- Dept. of Animal Science; Univ. of Connecticut; Storrs; CT; U.S.A
| | | | - Indu Upadhyaya
- Dept. of Animal Science; Univ. of Connecticut; Storrs; CT; U.S.A
| | | | | | - David Schreiber
- Dept. of Animal Science; Univ. of Connecticut; Storrs; CT; U.S.A
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Upadhyay A, Upadhyaya I, Kollanoor-Johny A, Ananda Baskaran S, Mooyottu S, Karumathil D, Venkitanarayanan K. Inactivation of Listeria monocytogenes on frankfurters by plant-derived antimicrobials alone or in combination with hydrogen peroxide. Int J Food Microbiol 2013; 163:114-8. [DOI: 10.1016/j.ijfoodmicro.2013.01.023] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2012] [Revised: 01/24/2013] [Accepted: 01/28/2013] [Indexed: 10/27/2022]
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41
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Plumed-Ferrer C, Väkeväinen K, Komulainen H, Rautiainen M, Smeds A, Raitanen JE, Eklund P, Willför S, Alakomi HL, Saarela M, von Wright A. The antimicrobial effects of wood-associated polyphenols on food pathogens and spoilage organisms. Int J Food Microbiol 2013; 164:99-107. [PMID: 23624538 DOI: 10.1016/j.ijfoodmicro.2013.04.001] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2012] [Revised: 03/25/2013] [Accepted: 04/01/2013] [Indexed: 12/14/2022]
Abstract
The antimicrobial effects of the wood-associated polyphenolic compounds pinosylvin, pinosylvin monomethyl ether, astringin, piceatannol, isorhapontin, isorhapontigenin, cycloXMe, dHIMP, ArX, and ArXOH were assessed against both Gram-negative (Salmonella) and Gram-positive bacteria (Listeria monocytogenes, Staphylococcus epidermidis, Staphylococcus aureus) and yeasts (Candida tropicalis, Saccharomyces cerevisiae). Particularly the stilbenes pinosylvin, its monomethyl ether and piceatannol demonstrated a clear antimicrobial activity, which in the case of pinosylvin was present also in food matrices like sauerkraut, gravlax and berry jam, but not in milk. The destabilization of the outer membrane of Gram-negative microorganisms, as well as interactions with the cell membrane, as indicated by the NPN uptake and LIVE/DEAD viability staining experiments, can be one of the specific mechanisms behind the antibacterial action. L. monocytogenes was particularly sensitive to pinosylvin, and this effect was also seen in L. monocytogenes internalized in intestinal Caco2 cells at non-cytotoxic pinosylvin concentrations. In general, the antimicrobial effects of pinosylvin were even more prominent than those of a related stilbene, resveratrol, well known for its various bioactivities. According to our results, pinosylvin could have potential as a natural disinfectant or biocide in some targeted applications.
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Affiliation(s)
- Carme Plumed-Ferrer
- University of Eastern Finland, Institute of Public Health and Clinical Nutrition, P.O. Box 1627, FI-70211 Kuopio, Finland
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Pardo-García AI, Martínez-Gil AM, López-Córcoles H, Zalacain A, Salinas R. Effect of eugenol and guaiacol application on tomato aroma composition determined by headspace stir bar sorptive extraction. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2013; 93:1147-1155. [PMID: 22952170 DOI: 10.1002/jsfa.5866] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2012] [Revised: 07/22/2012] [Accepted: 07/23/2012] [Indexed: 06/01/2023]
Abstract
BACKGROUND The present work was carried out because there is only a small amount of literature on how the volatile composition of tomatoes can be modified by the effect of exogenous substances in contact with tomato plants. This work studies how eugenol and guaiacol, either by foliar application and/or in the surrounding atmosphere, can affect the volatile composition of this fruit. An important work of this study was also conduced to validate the analytical method [headspace stir bar sorptive extraction-gas chromatography-mass spectrometry (HS-SBSE-GC-MS)] to determine the composition of the volatiles in tomato. RESULTS Analytical method validation parameters such as linearity, limit of detection, limit of quantification, and recovery proved that this method is suitable for the analysis of tomato volatiles. Their eugenol and guaiacol content changed, with an increase of 200 and 35 times, respectively, when foliar treatment was used, and an increase of 10, in both cases, when plants were in contact with the contaminated atmosphere. As consequence of the treatments other volatile compounds changed considerably. CONCLUSION For first time, a HS-SBSE-GC-MS method was successfully validated for the study of volatiles in tomatos. Results suggests that exogenous compounds in contact with the plants, such as eugenol and guaiacol, can be absorbed changing the global volatile composition of fruits, which could produce a negative or positive effect in their aroma.
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Affiliation(s)
- Ana I Pardo-García
- Cátedra de Química Agrícola. E.T.S.I. Agrónomos. Universidad de Castilla-La Mancha, Avda. España s/n. 02071, Albacete, Spain
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Baskaran SA, Bhattaram V, Upadhyaya I, Upadhyay A, Kollanoor-Johny A, Schreiber D, Venkitanarayanan K. Inactivation of Escherichia coli O157:H7 on cattle hides by caprylic acid and β-resorcylic acid. J Food Prot 2013; 76:318-22. [PMID: 23433381 DOI: 10.4315/0362-028x.jfp-12-248] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Two naturally occurring, generally recognized as safe compounds, namely, caprylic acid (CA) (1%) and b -resorcylic acid (BR) (1%), and their combination, applied at 23 and 60°C were evaluated for their antimicrobial effects against Escherichia coli O157:H7 on cattle hides in the presence and absence of bovine feces. Fresh cleaned cattle hides were cut into pieces (5 cm(2)), air dried, and inoculated with a five-strain mixture of nalidixic acid-resistant (50 μg/ml) E. coli O157:H7 (∼8.0 log CFU). The hide samples were air dried under a biosafety hood for 2 h and sprayed with 95% ethanol, 1% CA, 1% BR, or a mixture of 1% CA and 1% BR at 23 or 60°C. The hide samples were kept at 23°C, and E. coli O157:H7 populations were determined at 2 and 5 min after treatment. Both CA and BR were effective in decreasing E. coli O157:H7 populations on hides by 3 to 4 log CFU/cm(2) (P < 0.05). Sterile bovine feces had no effect on the decontaminating property of CA and BR on cattle hides (P > 0.05). Results of this study indicate that CA and BR could potentially be used to decontaminate cattle hides, but follow-up research under slaughterhouse conditions is warranted.
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Jahid IK, Ha SD. A review of microbial biofilms of produce: Future challenge to food safety. Food Sci Biotechnol 2012. [DOI: 10.1007/s10068-012-0041-1] [Citation(s) in RCA: 111] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
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