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Zhang P, Li S, Wang W, Sun J, Chen Z, Wang J, Ma Q. Enhanced photodynamic inactivation against Escherichia coli O157:H7 provided by chitosan/curcumin coating and its application in food contact surfaces. Carbohydr Polym 2024; 337:122160. [PMID: 38710575 DOI: 10.1016/j.carbpol.2024.122160] [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: 12/14/2023] [Revised: 03/10/2024] [Accepted: 04/11/2024] [Indexed: 05/08/2024]
Abstract
Sterilisation technologies are essential to eliminate foodborne pathogens from food contact surfaces. However, most of the current sterilisation methods involve high energy and chemical consumption. In this study, a photodynamic inactivation coating featuring excellent antibacterial activity was prepared by dispersing curcumin as a plant-based photosensitiser in a chitosan solution. The coating generated abundant reactive oxygen species (ROS) after light irradiation at 420 nm, which eradicated ≥99.999 % of Escherichia coli O157:H7. It was also found that ROS damaged the cell membrane, leading to the leakage of cell contents and cell shrinkage on the basis of chitosan. In addition, the production of ROS first excited the bacterial antioxidant defence system resulting in the increase of peroxidase (POD) and superoxide dismutase (SOD). ROS levels exceed its capacity, causing damage to the defence system and further oxidative decomposition of large molecules, such as DNA and proteins, eventually leading to the death of E. coli O157:H7. We also found the curcumin/chitosan coating could effectively remove E. coli O157:H7 biofilms by oxidative of extracellular polysaccharides and proteins. All the contributors made the chitosan/curcumin coating an efficient detergent comparable with HClO.
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Affiliation(s)
- Pengmin Zhang
- College of Food Science and Technology, Hebei Agricultural University, Baoding 071001, PR China
| | - Shuang Li
- College of Food Science and Technology, Hebei Agricultural University, Baoding 071001, PR China
| | - Wenxiu Wang
- College of Food Science and Technology, Hebei Agricultural University, Baoding 071001, PR China
| | - Jianfeng Sun
- College of Food Science and Technology, Hebei Agricultural University, Baoding 071001, PR China
| | - Zhizhou Chen
- College of Food Science and Technology, Hebei Agricultural University, Baoding 071001, PR China
| | - Jie Wang
- College of Food Science and Technology, Hebei Agricultural University, Baoding 071001, PR China
| | - Qianyun Ma
- College of Food Science and Technology, Hebei Agricultural University, Baoding 071001, PR China.
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Diken-Gür S, Avcioglu NH, Bakhshpour-Yücel M, Denizli A. Antimicrobial assay and controlled drug release studies with novel eugenol imprinted p(HEMA)-bacterial cellulose nanocomposite, designed for biomedical applications. JOURNAL OF BIOMATERIALS SCIENCE. POLYMER EDITION 2024:1-16. [PMID: 38965881 DOI: 10.1080/09205063.2024.2366646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2024] [Accepted: 06/06/2024] [Indexed: 07/06/2024]
Abstract
In this study, a novel bio-composite material that allow sustained release of plant derived antimicrobial compound was developed for the biomedical applications to prevent the infections caused by microorganisms resistant to commercial antimicrobials agents. With this aim, bacterial cellulose (BC)-p(HEMA) nanocomposite film that imprinted with eugenol (EU) via metal chelated monomer, MAH was prepared. Firstly, characterization studies were utilized by FTIR, SEM and BET analysis. Then antimicrobial assays, drug release studies and in vitro cytotoxicity test were performed. A significant antimicrobial effect against both Gram (+) Staphylococcus aureus and Gram (-) Escherichia coli bacteria and a yeast Candida albicans were observed even in low exposure time periods. When antimicrobial effect of EU compared with commercially used agents, both antifungal and antibacterial activity of EU were found to be higher. Then, sustained drug release studies showed that approximately 55% of EU was released up to 50 h. This result proved the achievement of the molecular imprinting for an immobilization of molecules that desired to release on an area in a long-time interval. Finally, the in vitro cytotoxicity experiment performed with the mouse L929 cell line determined that the synthesized EU-imprinted BC nanocomposite was biocompatible.
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Affiliation(s)
- Sinem Diken-Gür
- Department of Biology, Hacettepe University, Ankara, Türkiye
| | | | | | - Adil Denizli
- Department of Chemistry, Hacettepe University, Ankara, Türkiye
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Ashrafudoulla M, Yun H, Ashikur Rahman M, Jung SJ, Jie-Won Ha A, Anamul Hasan Chowdhury M, Shaila S, Akter S, Park SH, Ha SD. Prophylactic efficacy of baicalin and carvacrol against Salmonella Typhimurium biofilm on food and food contact surfaces. Food Res Int 2024; 187:114458. [PMID: 38763690 DOI: 10.1016/j.foodres.2024.114458] [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: 03/26/2024] [Revised: 04/28/2024] [Accepted: 05/01/2024] [Indexed: 05/21/2024]
Abstract
This study examines the antimicrobial and antibiofilm effectiveness of baicalin and carvacrol against Salmonella enterica ser. Typhimurium on food contact surfaces and chicken meat. The minimum inhibitory concentrations (MIC) for baicalin and carvacrol were found to be 100 μg/mL and 200 μg/mL, respectively, which aligns with findings from previous studies. The compounds exhibited a concentration-dependent decrease in microbial populations and biofilm formation. When used together, they displayed a remarkable synergistic effect, greatly augmenting their antibacterial activity. The assessment of food quality demonstrated that these treatments have no negative impact on the sensory characteristics of chicken meat. The impact of the structure on biofilms was observed through the use of Field Emission Scanning Electron Microscopy (FE-SEM) and Confocal Laser Scanning Microscopy (CLSM), revealing disrupted biofilm architectures and decreased cell viability. Crucially, RT-PCR analysis revealed a marked downregulation of quorum sensing (luxS), virulence (hilA), and stress response (rpoS) genes, highlighting the multifaceted antimicrobial mechanism of action. This gene-specific suppression suggests a targeted disruption of bacterial communication and virulence pathways, offering insight into the comprehensive antibiofilm strategy. This provides further insight into the molecular mechanisms that contribute to their antibiofilm effects.
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Affiliation(s)
- Md Ashrafudoulla
- School of Food Science and Technology, Chung-Ang University, 72-1 Nae-Ri, Anseong, Gyeonggi-do 456-756, Republic of Korea; National Institute of Health, 9000 Rockville Pike, Bethesda, MD 20892, USA
| | - Hyojae Yun
- School of Food Science and Technology, Chung-Ang University, 72-1 Nae-Ri, Anseong, Gyeonggi-do 456-756, Republic of Korea
| | - Md Ashikur Rahman
- School of Food Science and Technology, Chung-Ang University, 72-1 Nae-Ri, Anseong, Gyeonggi-do 456-756, Republic of Korea
| | - Soo-Jin Jung
- School of Food Science and Technology, Chung-Ang University, 72-1 Nae-Ri, Anseong, Gyeonggi-do 456-756, Republic of Korea
| | - Angela Jie-Won Ha
- School of Food Science and Technology, Chung-Ang University, 72-1 Nae-Ri, Anseong, Gyeonggi-do 456-756, Republic of Korea; Grand Hyatt Jeju, 12 Noyeon-ro, Jeju-si, Jeju-do, South Korea
| | - Md Anamul Hasan Chowdhury
- School of Food Science and Technology, Chung-Ang University, 72-1 Nae-Ri, Anseong, Gyeonggi-do 456-756, Republic of Korea
| | - Shanjida Shaila
- School of Food Science and Technology, Chung-Ang University, 72-1 Nae-Ri, Anseong, Gyeonggi-do 456-756, Republic of Korea
| | - Shirin Akter
- School of Food Science and Technology, Chung-Ang University, 72-1 Nae-Ri, Anseong, Gyeonggi-do 456-756, Republic of Korea
| | - Si Hong Park
- Food Science and Technology, Oregon State University, Corvallis, OR, USA
| | - Sang-Do Ha
- School of Food Science and Technology, Chung-Ang University, 72-1 Nae-Ri, Anseong, Gyeonggi-do 456-756, Republic of Korea.
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Mazraeh A, Tavallali H, Tavallali V. Variations in the biochemical characteristics of Lavandula sublepidota Rech.f. in response to the foliar enrichment of green-synthesized copper nano complexes from extract of neem and jujube. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 214:108885. [PMID: 38971088 DOI: 10.1016/j.plaphy.2024.108885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 06/20/2024] [Accepted: 06/25/2024] [Indexed: 07/08/2024]
Abstract
Copper (Cu) is an essential micronutrient in plant physiology and biochemistry. This article synthesized copper nano complexes (Cu-NCs) based on aqueous extracts of jujube and neem leaves. The effects of foliar application of Cu-jujube and Cu-neem Cu-NCs at concentrations of 0, 10, 25, and 50 mg L-1 on the bioactive compounds, antioxidant capacity, and essential oil of the Iranian native medicinal herb Lavandula sublepidota Rech. f. was investigated. The highest levels of flavonoids and polyphenols were observed in the plants treated with Cu-NCs at 25 mg L-1. However, no superiority was observed between the two types of Cu-NCs. Furthermore, 25 mg L-1 nCu-Z and nCu-N foliar application boosted essential oil yield (48 and 52%, respectively) over control. This suggests an ideal threshold beyond which toxicity was found. Similarly, the amount of commercially significant secondary metabolites increased at 25 mg L-1 CuNCs compared to 10 and 50 mg L-1 concentrations. The maximum antioxidant activity was found in extracts of lavender that had been treated with 25 mg L-1 CuNCs. When CuNCs were applied exogenously, the extracts' antibacterial activity (MIC μg mL-1) was substantially increased against the three pathogen strains. The results suggest that CuNCs demonstrate notably greater effectiveness, particularly at an ideal concentration of 25 mg L-1, in enhancing the production of essential oil and bioactive compounds in Lavandula sublepidota Rech. f. Therefore, these findings indicate the importance of the biosynthesis of NCs using plants and measuring the phytochemical changes of lavender plants.
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Affiliation(s)
- Ali Mazraeh
- Department of Chemistry, Payame Noor University PNU, P. O. Box 19395-4697, Tehran, Iran
| | - Hossein Tavallali
- Department of Chemistry, Payame Noor University PNU, P. O. Box 19395-4697, Tehran, Iran.
| | - Vahid Tavallali
- Department of Agriculture, Payame Noor University PNU, P.O. Box 19395-4697, Tehran, Iran.
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Huang YL, Huang CH, Huang YC, Yen CL, Hsu CR. Anti-biofilm activities and antibiotic synergy of naturally occurring compounds against drug-resistant rapidly growing mycobacteria. Microbiol Spectr 2024:e0019924. [PMID: 38934606 DOI: 10.1128/spectrum.00199-24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Accepted: 05/27/2024] [Indexed: 06/28/2024] Open
Abstract
Some naturally occurring compounds, known for their antimicrobial activities, have been employed as food additives. However, their efficacy in treating infections caused by antibiotic-resistant bacteria is yet to be fully explored. Rapidly growing mycobacteria (RGM), a category within nontuberculous mycobacteria (NTM), are prevalent in various environments and can lead to infections in humans. The rise of antimicrobial resistance within RGM is a documented concern. In this study, we reported that four specific natural compounds effectively inhibited the growth and biofilm formation of three key RGM pathogens M. abscessus, M. fortuitum, and M. chelonae. We screened 12 natural compounds for their effectiveness against antibiotic-resistant clinical strains of RGM. Four compounds showed significant inhibitory effects from the most effective to least: trans-cinnamaldehyde, carvacrol, gentisaldehyde, and phloroglucinaldehyde. In the analysis of time-killing kinetics, gentisaldehyde and phloroglucinaldehyde displayed bactericidal activity while trans-cinnamaldehyde and carvacrol exhibited bacteriostatic effects. At 1× minimal inhibition concentrations, these compounds significantly reduced biofilm formation in all three RGM species to levels between 2.9% and 20.5% relative to controls. Checkerboard assays indicated synergistic interactions between these four compounds and antibiotics such as amikacin, clarithromycin, and linezolid. Of these 12 compound-antibiotic combinations, the pairs of carvacrol-linezolid, carvacrol-amikacin, and gentisaldehyde-clarithromycin demonstrated the most synergy against multiple RGM strains. Moreover, two other compounds citral and geraniol showed synergism with all three test antibiotics. Time-killing assays further confirmed most of synergistic combinations identified in the checkerboard tests. Our research suggests the potential of these essential oils and phenolic aldehydes, both individually and in combination with antibiotics, in treating RGM infections. In addition, this work illuminates applications of these natural compounds in environmental remediation to mitigate bacterial persistence for the control of infectious diseases. IMPORTANCE The emergence of antimicrobial resistance within rapidly growing mycobacteria (RGM) poses a significant threat to public health. This study investigates the potential of naturally occurring compounds to combat infections caused by antibiotic-resistant RGM including M. abscessus, M. fortuitum, and M. chelonae. We identified four specific natural compounds showing impressive inhibitory effects against antibiotic-resistant clinical strains. These compounds not only inhibited the growth and biofilm formation but also exhibited synergistic interactions with antibiotics against key RGM pathogens. Our findings highlight the alternative treatment strategies for RGM infections and potential environmental applications of these natural compounds in mitigating microbial persistence and controlling infectious diseases.
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Affiliation(s)
- Ya-Ling Huang
- Department of Laboratory Medicine, E-Da Hospital, I-Shou University, Kaohsiung, Taiwan
- Department of Medical Laboratory Science, College of Medical Science and Technology, I-Shou University, Kaohsiung, Taiwan
| | - Chen-Hsiu Huang
- Department of Bioscience and Biotechnology, National Taiwan Ocean University, Keelung, Taiwan
| | - Yu-Chieh Huang
- Department of Bioscience and Biotechnology, National Taiwan Ocean University, Keelung, Taiwan
| | - Chun-Lun Yen
- Department of Bioscience and Biotechnology, National Taiwan Ocean University, Keelung, Taiwan
| | - Chun-Ru Hsu
- Department of Bioscience and Biotechnology, National Taiwan Ocean University, Keelung, Taiwan
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Bilen MV, Uzun P, Yıldız H, Fındık BT. Evaluation of the effect of active essential oil components added to pickled-based marinade on beef stored under vacuum packaging: Insight into physicochemical and microbiological quality. Int J Food Microbiol 2024; 418:110733. [PMID: 38754173 DOI: 10.1016/j.ijfoodmicro.2024.110733] [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: 02/22/2024] [Revised: 04/25/2024] [Accepted: 05/02/2024] [Indexed: 05/18/2024]
Abstract
This research aimed to evaluate the effects of the addition of active essential oil components (linalool and/or eugenol) to a pickle-based marinade on controlling spoilage and extending the shelf life of fresh beef stored under vacuum packaging at 4 °C. Linalool and eugenol were used either separately at a concentration of 0.2 % (w/w) or together (1:1 ratio) to preserve marinated beef under vacuum packaging for 15 days. Samples were assessed for pH, color, texture, oxidative degradation, and microbiological parameters. All marinades exhibited significantly lower TBARS values than the control sample. The addition of linalool or eugenol to the marinate showed a significant antibacterial effect on total aerobic mesophilic bacteria (TAMB), lactic acid bacteria (LAB), Pseudomonas spp., and total coliform, and the reductions in microbial counts are as follows: TAMB: 1.563 log CFU/g and 1.46 log CFU/g; Pseudomonas spp.: 1.303 log CFU/g and 1.08 log CFU/g; LAB: 0.323 log CFU/g and 0.357 log CFU/g. Marinated beef with linalool and/or eugenol was found to be effective against the growth of yeast and mold. The use of eugenol presented the most effective inhibition activity against yeast and mold by reducing the number of yeast and molds to an uncountable level on the 12th and 15th days of storage. Physicochemical analysis also showed that the addition of active essential oils to marinade did not cause any undesirable effects on the color and texture properties of beef samples. Therefore, the findings revealed that eugenol and linalool could be suitable alternatives for beef marination.
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Affiliation(s)
- Merve Vahide Bilen
- Nevsehir Hacı Bektas Veli University, Faculty of Engineering and Architecture, Department of Food Engineering, Nevsehir, Türkiye
| | - Pınar Uzun
- Isparta University of Applied Sciences, Gelendost VS, Department of Food Technology, Isparta, Türkiye.
| | - Hilal Yıldız
- Nevsehir Hacı Bektas Veli University, Faculty of Engineering and Architecture, Department of Food Engineering, Nevsehir, Türkiye.
| | - Bahar Tuba Fındık
- Nevsehir Hacı Bektas Veli University, Faculty of Arts and Sciences, Department of Chemistry, Nevsehir, Türkiye.
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Ameur E, Sarra M, Yosra D, Mariem K, Nabil A, Ibrahim J, Alarjani KM, Lynen F, Larbi KM. Chemical compositions of Eucalyptus sp. Essential oils and the evaluation of their combinations as a promising treatment against ear bacterial infections. BMC Complement Med Ther 2024; 24:220. [PMID: 38849805 PMCID: PMC11157906 DOI: 10.1186/s12906-024-04494-2] [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: 07/10/2023] [Accepted: 05/08/2024] [Indexed: 06/09/2024] Open
Abstract
BACKGROUND The chemical composition and biological activities of Eucalyptus essential oils (EOs) have been documented in numerous studies against multiple infectious diseases. The antibacterial activity of individual Eucalyptus EOs against strains that cause ear infections was investigated in our previous study. The study's antibacterial activity was promising, which prompted us to explore this activity further with EO blends. METHODS We tested 15 combinations (9 binary combinations and 6 combinations of binary combinations) of Eucalyptus EOs extracted by hydrodistillation from eight Tunisian Eucalyptus species dried leaves against six bacterial strains responsible for ear infections: three bacterial isolates (Haemophilus influenzae, Haemophilus parainfluenzae, and Klebsiella pneumoniae) and three reference bacteria strains (Pseudomonas aeruginosa, ATTC 9027; Staphylococcus aureus, ATCC 6538; and Escherichia coli, ATCC 8739). The EOs were analyzed using GC/FID and GC/MS. The major compounds, as well as all values obtained from the bacterial growth inhibition assay, were utilized for statistical analysis. RESULTS The antibacterial activity of the EO blends exhibited significant variation within Eucalyptus species, bacterial strains, and the applied methods. Principal component analysis (PCA) and hierarchical cluster analysis (HCA), based on the diameters of the inhibition zone, facilitated the identification of two major groups and ten subgroups based on the level of antibacterial activity. The highest antibacterial activity was observed for the mixture of EOs extracted from E. panctata, E. accedens, and E. cladoclayx (paac) as well as E. panctata, E. wandoo, E. accedens, and E. cladoclayx (pwac) using the disc diffusion method. Additionally, significant activity was noted with EOs extracted from E. panctata, E. wandoo (pw) and E. panctata, E. accedens (pa) using the broth microdilution method. CONCLUSION Our findings suggest that certain EO combinations (paac, pwac, pw, and pa) could be considered as potential alternative treatment for ear infections due to their demonstrated highly promising antibacterial activities.
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Affiliation(s)
- Elaissi Ameur
- Chemical, Pharmacological and Gallenic Development Laboratory, Faculty of Pharmacy, University of Monastir, Avenue Avicennne, 5019, Monastir, Tunisia.
| | - Moumni Sarra
- Chemical, Pharmacological and Gallenic Development Laboratory, Faculty of Pharmacy, University of Monastir, Avenue Avicennne, 5019, Monastir, Tunisia
| | - Derbali Yosra
- Chemical, Pharmacological and Gallenic Development Laboratory, Faculty of Pharmacy, University of Monastir, Avenue Avicennne, 5019, Monastir, Tunisia
| | - Khouja Mariem
- Water, and Forestry. INRGREF. Laboratory of Management and Valorization of Forest Resources, University of Carthage, The National Research Institute of Rural Engineering, 2080, Ariana, Tunisia
| | - Abid Nabil
- Laboratory of Transmissible Diseases and Biological Active Substances LR99ES27, Faculty of Pharmacy, University of Monastir, Monastir, Tunisia
| | - Jlasssi Ibrahim
- Laboratory of Transmissible Diseases and Biological Active Substances LR99ES27, Faculty of Pharmacy, University of Monastir, Monastir, Tunisia
| | - Khaloud Mohammed Alarjani
- Department of Botany and Microbiology, College of Science, King Saud University, 11451, Riyadh, Saudi Arabia
| | - Frederic Lynen
- Separation Science Group, Department of Organic and Macromolecular Chemistry, Faculty of Sciences, Ghent University, Krijgslaan 281-S4 Bis, B-9000, Ghent, Belgium
| | - Khouja Mohamed Larbi
- Water, and Forestry. INRGREF. Laboratory of Management and Valorization of Forest Resources, University of Carthage, The National Research Institute of Rural Engineering, 2080, Ariana, Tunisia
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Wang Z, Zheng Y, Hu Y, Yang L, Liu X, Zhao R, Gao M, Li Z, Feng Y, Xu Y, Li N, Yang J, Wang Q, An L. Improvement of antibacterial activity of polysaccharides via chemical modification: A review. Int J Biol Macromol 2024; 269:132163. [PMID: 38729490 DOI: 10.1016/j.ijbiomac.2024.132163] [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: 01/30/2024] [Revised: 04/16/2024] [Accepted: 05/05/2024] [Indexed: 05/12/2024]
Abstract
Antibiotic residue and bacterial resistance induced by antibiotic abuse have seriously threatened food safety and human healthiness. Thus, the development and application of safe, high-efficiency, and environmentally friendly antibiotic alternatives are urgently necessary. Apart from antitumor, antivirus, anti-inflammatory, gut microbiota regulation, immunity improvement, and growth promotion activities, polysaccharides also have antibacterial activity, but such activity is relatively low, which cannot satisfy the requirements of food preservation, clinical sterilization, livestock feeding, and agricultural cultivation. Chemical modification not only provides polysaccharides with better antibacterial activity, but also promotes easy operation and large-scale production. Herein, the enhancement of the antibacterial activity of polysaccharides via acetylation, sulfation, phosphorylation, carboxymethylation, selenation, amination, acid graft, and other chemical modifications is reviewed. Meanwhile, a new trend on the application of loading chemically modified polysaccharides into nanostructures is discussed. Furthermore, possible limitations and future recommendations for the development and application of chemically modified polysaccharides with better antibacterial activity are suggested.
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Affiliation(s)
- Zichao Wang
- School of Biological Engineering, Henan University of Technology, Zhengzhou 450001, China
| | - Yi Zheng
- School of Biological Engineering, Henan University of Technology, Zhengzhou 450001, China
| | - Yiwei Hu
- School of Biological Engineering, Henan University of Technology, Zhengzhou 450001, China
| | - Libo Yang
- School of Landscape and Ecological Engineering, Hebei University of Engineering, 19 Taiji Road, Handan, Hebei 056038, China.
| | - Xirui Liu
- School of Foreign Languages, Henan University of Technology, Zhengzhou 450001, China
| | - Renyong Zhao
- College of Food Science and Technology, Henan University of Technology, Zhengzhou 450001, China
| | - Minjie Gao
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, Jiangnan University, Wuxi 214122, China
| | - Zhitao Li
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, Jiangnan University, Wuxi 214122, China
| | - Yingjie Feng
- Technology Center, China Tobacco Henan Industrial Co., Ltd., Zhengzhou 450000, China
| | - Yongming Xu
- Technology Center, China Tobacco Henan Industrial Co., Ltd., Zhengzhou 450000, China
| | - Na Li
- Henan Institute of Medical and Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Jinchu Yang
- Technology Center, China Tobacco Henan Industrial Co., Ltd., Zhengzhou 450000, China.
| | - Qi Wang
- School of Biological Engineering, Henan University of Technology, Zhengzhou 450001, China.
| | - Lemei An
- Department of Rheumatology and Clinical Immunology, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou 450003, China.
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Wu X, Wang H, Xiong J, Yang GX, Hu JF, Zhu Q, Chen Z. Staphylococcus aureus biofilm: Formulation, regulatory, and emerging natural products-derived therapeutics. Biofilm 2024; 7:100175. [PMID: 38298832 PMCID: PMC10827693 DOI: 10.1016/j.bioflm.2023.100175] [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: 08/27/2023] [Revised: 12/21/2023] [Accepted: 12/30/2023] [Indexed: 02/02/2024] Open
Abstract
Staphylococcus aureus can readily form biofilm which enhances the drug-resistance, resulting in life-threatening infections involving different organs. Biofilm formation occurs due to a series of developmental events including bacterial adhesion, aggregation, biofilm maturation, and dispersion, which are controlled by multiple regulatory systems. Rapidly increasing research and development outcomes on natural products targeting S. aureus biofilm formation and/or regulation led to an emergent application of active phytochemicals and combinations. This review aimed at providing an in-depth understanding of biofilm formation and regulation mechanisms for S. aureus, outlining the most important antibiofilm strategies and potential targets of natural products, and summarizing the latest progress in combating S. aureus biofilm with plant-derived natural products. These findings provided further evidence for novel antibiofilm drugs research and clinical therapies.
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Affiliation(s)
- Xiying Wu
- Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai, 200443, China
- Institute of Natural Medicine and Health Products, School of Pharmaceutical Sciences, Zhejiang Provincial Key Laboratory of Plant Evolutionary Ecology and Conservation, Taizhou University, Zhejiang, 318000, China
- Department of Natural Medicine, School of Pharmacy, Fudan University, Shanghai, 201203, China
| | - Huan Wang
- School of Pharmacy, Naval Medical University, Shanghai, 200433, China
| | - Juan Xiong
- Department of Natural Medicine, School of Pharmacy, Fudan University, Shanghai, 201203, China
| | - Guo-Xun Yang
- Department of Natural Medicine, School of Pharmacy, Fudan University, Shanghai, 201203, China
| | - Jin-Feng Hu
- Institute of Natural Medicine and Health Products, School of Pharmaceutical Sciences, Zhejiang Provincial Key Laboratory of Plant Evolutionary Ecology and Conservation, Taizhou University, Zhejiang, 318000, China
| | - Quangang Zhu
- Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai, 200443, China
| | - Zhongjian Chen
- Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai, 200443, China
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Stefanello TB, Cardinal KM, Orso C, Franceschi CH, Silva JP, Mann MB, Frazzon J, Moraes PO, Ribeiro AML. The impact of different levels of functional oil supplementation in combination with salinomycin on growth performance and intestinal microbiota of broilers undergoing Eimeria challenge: An analysis of dynamics. Res Vet Sci 2024; 172:105249. [PMID: 38579633 DOI: 10.1016/j.rvsc.2024.105249] [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: 01/25/2024] [Revised: 03/24/2024] [Accepted: 03/25/2024] [Indexed: 04/07/2024]
Abstract
The effect of salinomycin sodium alone and in combination with functional oils on performance and microbiota of broiler infected Eimeria were evaluated. 512 broilers were randomly assigned to 4 treatments (8 replicates, 16 birds/pen): a Control group (any additives); Ionophore group: salinomycin supplementation at 66 ppm (SS66); Ionophore +0.075% Functional oil (FO) group (SS66 + FO supplementation at 750 ppm); and Ionophore +0.10% FO group (SS66 + FO supplementation at 1000 ppm). At 14 days of age, birds were gavaged with 1 mL of a saline solution containing sporulated oocysts of E. tenella, E. acervulina and E. maxima. Performance indices were measured weekly. At 28 days, intestinal content was collected for microbiota analysis. Broilers of Control group presented the worst performance indices. Broilers of Ionophore + FO (0.075% and 0.10%) groups exhibited a higher BW at 28 days of age. The supplementation of Ionophore +0.075% FO resulted in a higher relative proportion of Firmicutes and a lower proportion of Actinobacteria in the ileum-jejunum. Lactobacillaceae was the dominant family in the jejunal, and ileal microbiotas of broilers fed diets supplemented with Ionophore, Ionophore +0.075% FO and Ionophore +0.10% FO. The supplementation of ionophore yielded higher numbers of Lactobacillaceae, Enterobactereaceae and Cloritridiaceae in the cecal. Ionophore associated with FO controlled the Lactobacillaceae, Enterobactereaceae and Cloritridiaceae families present in the cecum. Therefore, the combination of salinomycin with functional oil showed synergistic effect on performance and modulation of intestinal microbiota of broilers challenged with Eimeria.
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Affiliation(s)
- Thaís Bastos Stefanello
- Department of Animal Science, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Kátia Maria Cardinal
- Department of Animal Science, Instituto Federal Farroupilha, Alegrete, RS, Brazil
| | - Catiane Orso
- Department of Animal Science, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | | | - Jéssica Pereira Silva
- Department of Animal Science, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Micheli Bertoni Mann
- Institute of Food Science and Technology, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Jeverzon Frazzon
- Institute of Food Science and Technology, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Priscila Oliveira Moraes
- Department of Animal Science and Rural Development, Universidade Federal de Santa Catarina, Florianópolis, Santa Catarina, Brazil
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11
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Morellá-Aucejo Á, Medaglia S, Ruiz-Rico M, Martínez-Máñez R, Marcos MD, Bernardos A. Remarkable enhancement of cinnamaldehyde antimicrobial activity encapsulated in capped mesoporous nanoparticles: A new "nanokiller" approach in the era of antimicrobial resistance. BIOMATERIALS ADVANCES 2024; 160:213840. [PMID: 38579520 DOI: 10.1016/j.bioadv.2024.213840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 03/08/2024] [Accepted: 03/23/2024] [Indexed: 04/07/2024]
Abstract
Combating antimicrobial resistance is one of the biggest health challenges because of the ineffectiveness of standard biocide treatments. This challenge could be approached using natural products, which have demonstrated powerful therapeutics against multidrug-resistant microbes. In the present work, a nanodevice consisting of mesoporous silica nanoparticles loaded with an essential oil component (cinnamaldehyde) and functionalized with the polypeptide ε-poly-l-lysine is developed and used as an antimicrobial agent. In the presence of the corresponding stimuli (i.e., exogenous proteolytic enzymes from bacteria or fungi), the polypeptide is hydrolyzed, and the cinnamaldehyde delivery is enhanced. The nanodevice's release mechanism and efficacy are evaluated in vitro against the pathogenic microorganisms Escherichia coli, Staphylococcus aureus, and Candida albicans. The results demonstrate that the new device increases the delivery of the cinnamaldehyde via a biocontrolled uncapping mechanism triggered by proteolytic enzymes. Moreover, the nanodevice notably improves the antimicrobial efficacy of cinnamaldehyde when compared to the free compound, ca. 52-fold for E. coli, ca. 60-fold for S. aureus, and ca. 7-fold for C. albicans. The enhancement of the antimicrobial activity of the essential oil component is attributed to the decrease of its volatility due to its encapsulation in the porous silica matrix and the increase of its local concentration when released due to the presence of microorganisms.
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Affiliation(s)
- Ángela Morellá-Aucejo
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València and Universitat de València, Camino de Vera s/n, 46022 Valencia, Spain; CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Instituto de Salud Carlos III, 46022 Valencia, Spain; Unidad Mixta UPV-CIPF de Investigación en Mecanismos Enfermedades y Nanomedicina, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, C/Eduardo Primo Yúfera 3, 46012 Valencia, Spain
| | - Serena Medaglia
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València and Universitat de València, Camino de Vera s/n, 46022 Valencia, Spain; CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Instituto de Salud Carlos III, 46022 Valencia, Spain
| | - María Ruiz-Rico
- Instituto Universitario de Ingeniería de Alimentos (FoodUPV), Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain
| | - Ramón Martínez-Máñez
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València and Universitat de València, Camino de Vera s/n, 46022 Valencia, Spain; CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Instituto de Salud Carlos III, 46022 Valencia, Spain; Unidad Mixta de Investigación en Nanomedicina y Sensores, Universitat Politècnica de València, Instituto de Investigación Sanitaria La Fe (IISLAFE), Av Fernando Abril Martorell 106, 46026 Valencia, Spain; Unidad Mixta UPV-CIPF de Investigación en Mecanismos Enfermedades y Nanomedicina, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, C/Eduardo Primo Yúfera 3, 46012 Valencia, Spain; Departamento de Química, Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain
| | - María Dolores Marcos
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València and Universitat de València, Camino de Vera s/n, 46022 Valencia, Spain; CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Instituto de Salud Carlos III, 46022 Valencia, Spain; Unidad Mixta UPV-CIPF de Investigación en Mecanismos Enfermedades y Nanomedicina, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, C/Eduardo Primo Yúfera 3, 46012 Valencia, Spain; Departamento de Química, Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain
| | - Andrea Bernardos
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València and Universitat de València, Camino de Vera s/n, 46022 Valencia, Spain; CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Instituto de Salud Carlos III, 46022 Valencia, Spain; Unidad Mixta UPV-CIPF de Investigación en Mecanismos Enfermedades y Nanomedicina, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, C/Eduardo Primo Yúfera 3, 46012 Valencia, Spain; Departamento de Química, Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain.
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12
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Patel S, Sathyanathan V, Salaman SD. Molecular mechanisms underlying cisplatin-induced nephrotoxicity and the potential ameliorative effects of essential oils: A comprehensive review. Tissue Cell 2024; 88:102377. [PMID: 38626527 DOI: 10.1016/j.tice.2024.102377] [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: 11/17/2023] [Revised: 04/04/2024] [Accepted: 04/05/2024] [Indexed: 04/18/2024]
Abstract
Since the Middle Ages, essential oils (EO) have been widely used for bactericidal, virucidal, fungicidal, insecticidal, medicinal and cosmetic applications, nowadays in pharmaceutical, agricultural and food industries. Recently, EO have emerged as promising adjuvant therapies to mitigate the toxicities induced by anti - cancerous drugs; among them cisplatin induced renal damage amelioration remain remarkable. Cisplatin (cis-diaminedichloroplatinum II, CDDP) is renowned as one of the most effective anti-neoplastic agents, widely used as a broad-spectrum anti-tumor agent for various solid tumors. However, its clinical use is hampered by several side effects, notably nephrotoxicity and acute kidney injury, which arise from the accumulation of CDDP in the proximal tubular epithelial cells (PTECs). To better understand and analyze the molecular mechanisms of CDDP-induced renal damage, it is crucial to investigate potential interventions to protect against cisplatin-mediated nephrotoxicity. These EO have shown the ability to counteract oxidative stress, reduce inflammation, prevent apoptosis, and exert estrogenic effects, all contributing to renal protection. In this review, we have made an effort to summarize the molecular mechanisms and exploring new interventions by which we can pave the way for safer and more effective cancer management in the future.
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Affiliation(s)
- Saraswati Patel
- Department of Pharmacology, Saveetha College of Pharmacy, Saveetha Institute of Medical and Technical Sciences, Chennai, India.
| | - V Sathyanathan
- Department of Pharmacognosy, Apollo College of Pharmacy, Kanchipuram, Tamil Nadu, India
| | - Samsi D Salaman
- Department of Pharmacognosy, Apollo College of Pharmacy, Kanchipuram, Tamil Nadu, India
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13
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Vidács A, Kerekes EB, Takó M, Vágvölgyi C, Krisch J. Eradication of multiple-species biofilms from food industrial and domestic surfaces using essential oils. FOOD SCI TECHNOL INT 2024; 30:361-369. [PMID: 36959708 DOI: 10.1177/10820132231165543] [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] [Indexed: 03/25/2023]
Abstract
Microbial biofilm formation represents a serious problem for both food industry and households. Natural biofilms are formed mostly by multiple species, and show resistance against most of the usual sanitizers. In this study, the effects of cinnamon (Cinnamomum zeylanicum), marjoram (Origanum majorana) and thyme (Thymus vulgaris) essential oils (EOs) and their main components (cinnamaldehyde, terpinene-4-ol, and thymol) were investigated on four-species biofilms of Escherichia coli, Listeria monocytogenes, Pseudomonas putida and Staphylococcus aureus. Minimum bactericide concentration (MBC) and killing time were determined by means of the microdilution method. MBC of the investigated EOs and components was between 0.5 mg/mL (cinnamaldehyde) to 25 mg/mL (terpinene-4-ol). Killing times for the four-species suspension were 5 or 10 min, time spans usable in the food industry. For eradication of the mixed-population biofilm from stainless steel (SS), polypropylene (PP), tile and wood surfaces, EO- or EO component-based disinfectant solutions were developed, and their effects were compared to a peracetic acid-based industrial sanitizer (HC-DPE). Total eradication of biofilms (99.9%) was achieved, with solutions containing cinnamon and thyme EO and EO components, from SS and PP, but not from tile or wood surfaces. Apparently, cinnamon EO, terpinene-4-ol and thymol have better disinfectant activity than HC-DPE.
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Affiliation(s)
- Anita Vidács
- Institute of Food Engineering, Faculty of Engineering, University of Szeged, Szeged, Hungary
| | - Erika Beáta Kerekes
- Department of Microbiology, Faculty of Science and Informatics, University of Szeged, Szeged, Hungary
| | - Miklós Takó
- Department of Microbiology, Faculty of Science and Informatics, University of Szeged, Szeged, Hungary
| | - Csaba Vágvölgyi
- Department of Microbiology, Faculty of Science and Informatics, University of Szeged, Szeged, Hungary
| | - Judit Krisch
- Institute of Food Engineering, Faculty of Engineering, University of Szeged, Szeged, Hungary
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14
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Nguyen NN, Nguyen NT, Nguyen PT, Phan QN, Le TL, Do HDK. Current and emerging nanotechnology for sustainable development of agriculture: Implementation design strategy and application. Heliyon 2024; 10:e31503. [PMID: 38818209 PMCID: PMC11137568 DOI: 10.1016/j.heliyon.2024.e31503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 05/08/2024] [Accepted: 05/16/2024] [Indexed: 06/01/2024] Open
Abstract
Recently, agriculture systems have faced numerous challenges involving sustainable nutrient use efficiency and feeding, environmental pollution especially heavy metals (HMs), infection of harmful microorganisms, and maintenance of crop production quality during postharvesting and packaging. Nanotechnology and nanomaterials have emerged as powerful tools in agriculture applications that provide alternatives or support traditional methods. This review aims to address and highlight the current overarching issue and various implementation strategies of nanotechnology for sustainable agriculture development. In particular, the current progress of different nano-fertilizers (NFs) systems was analyzed to show their advances in enhancing the uptake and translocations in plants and improving nutrient bioavailability in soil. Also, the design strategy and application of nanotechnology for rapid detection of HMs and pathogenic diseases in plant crops were emphasized. The engineered nanomaterials have great potential for biosensors with high sensitivity and selectivity, high signal throughput, and reproducibility through various detection approaches such as Raman, colorimetric, biological, chemical, and electrical sensors. We obtain that the development of microfluidic and lab-on-a-chip (LoC) technologies offers the opportunity to create on-site portable and smart biodevices and chips for real-time monitoring of plant diseases. The last part of this work is a brief introduction to trends in nanotechnology for harvesting and packaging to provide insights into the overall applications of nanotechnology for crop production quality. This review provides the current advent of nanotechnology in agriculture, which is essential for further studies examining novel applications for sustainable agriculture.
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Affiliation(s)
- Nhat Nam Nguyen
- School of Agriculture and Aquaculture, Tra Vinh University, Tra Vinh City, 87000, Viet Nam
| | - Ngoc Trai Nguyen
- School of Agriculture and Aquaculture, Tra Vinh University, Tra Vinh City, 87000, Viet Nam
| | - Phuong Thuy Nguyen
- School of Agriculture and Aquaculture, Tra Vinh University, Tra Vinh City, 87000, Viet Nam
| | - Quoc Nam Phan
- School of Agriculture and Aquaculture, Tra Vinh University, Tra Vinh City, 87000, Viet Nam
| | - Truc Linh Le
- School of Agriculture and Aquaculture, Tra Vinh University, Tra Vinh City, 87000, Viet Nam
| | - Hoang Dang Khoa Do
- NTT Hi-Tech Institute, Nguyen Tat Thanh University, Ward 13, District 04, Ho Chi Minh City, Viet Nam
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15
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Kiskinis K, Mantzios T, Economou V, Petridou E, Tsitsos A, Patsias A, Apostolou I, Papadopoulos GA, Giannenas I, Fortomaris P, Tsiouris V. The In Vitro Antibacterial Activity of Phytogenic and Acid-Based Eubiotics against Major Foodborne Zoonotic Poultry Pathogens. Animals (Basel) 2024; 14:1611. [PMID: 38891658 PMCID: PMC11171102 DOI: 10.3390/ani14111611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2024] [Revised: 05/26/2024] [Accepted: 05/27/2024] [Indexed: 06/21/2024] Open
Abstract
The aim of the study was to investigate in vitro the antibacterial activity of 8 commercial drinking water additives against major zoonotic poultry pathogens (Campylobacter spp., Escherichia coli, Salmonella Typhimurium, Staphylococcus aureus and Listeria spp.). We tested two essential oil-based phytogenics (Phyto CSC Liquide B, AEN 350 B Liquid), two acid-based eubiotics (Salgard® liquid, Intesti-Flora), and four blends of essential oils and organic acids (ProPhorceTM SA Exclusive, Herbal acid, Rigosol-N and Eubisan 3000). The antibacterial activity was determined by estimating the minimum inhibitory concentration (MIC) using a microdilution method. The MICs of the products against Campylobacter spp. ranged from 0.071% to 0.568% v/v, in which Herbal acid, a blend rich in lactic and phosphoric acids, also containing thyme and oregano oils, exhibited the highest efficacy (MIC: 0.071% v/v) against all the tested strains. The MICs of the tested products against Escherichia coli ranged between 0.071% and 1.894% v/v. Specifically, the MIC of Rigosol-N, a blend of high concentrations of lactic and acetic acid, was 0.142% v/v for both tested strains, whereas the MICs of Intesti-Flora, a mixture rich in lactic and propionic acid, ranged from 0.284% to 0.568% v/v. The MICs of the products against Salmonella Typhimurium were between 0.095% and 1.894% v/v. Specifically, the MIC of Eubisan 3000, a blend rich in oregano oil, was 0.284% v/v. The MICs against Staphylococcus aureus were between 0.142% and 9.090% v/v. The MICs of Phyto CSC Liquide B, which is rich in trans-cinnamaldehyde, were between 3.030% and 9.090% v/v, showing the highest MIC values of all tested products. Finally, the MIC values of the tested commercial products against Listeria spp. were 0.095% to 3.030% v/v. The MICs of ProPhorceTM SA Exclusive, a highly concentrated blend of formic acid and its salts, were 0.095-0.142% v/v against Listeria spp., while the MICs of AEN 350 B Liquid were between 0.284% and 1.894% exhibiting high Listeria spp. strain variability. In conclusion, all the selected commercial products exhibited more or less antibacterial activity against pathogenic bacteria and, thus, can be promising alternatives to antibiotics for the control of zoonotic poultry pathogens and the restriction of antimicrobial-resistant bacteria.
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Affiliation(s)
- Konstantinos Kiskinis
- Unit of Avian Medicine, Clinic of Farm Animals, School of Veterinary Medicine, Aristotle University of Thessaloniki, 54627 Thessaloniki, Greece; (T.M.); (V.T.)
| | - Tilemachos Mantzios
- Unit of Avian Medicine, Clinic of Farm Animals, School of Veterinary Medicine, Aristotle University of Thessaloniki, 54627 Thessaloniki, Greece; (T.M.); (V.T.)
| | - Vangelis Economou
- Laboratory of Food Animal Hygiene and Veterinary Public Health, School of Veterinary Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece; (V.E.); (A.T.)
| | - Evanthia Petridou
- Laboratory of Microbiology and Infectious Diseases, School of Veterinary Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece;
| | - Anestis Tsitsos
- Laboratory of Food Animal Hygiene and Veterinary Public Health, School of Veterinary Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece; (V.E.); (A.T.)
| | - Apostolos Patsias
- Agricultural Poultry Cooperation of Ioannina “PINDOS”, Rodotopi, 45500 Ioannina, Greece;
| | - Ioanna Apostolou
- National Reference Laboratory (NRL) for Campylobacter, Veterinary Laboratory of Ioannina, 45221 Ioannina, Greece;
| | - Georgios A. Papadopoulos
- Laboratory of Animal Science, School of Veterinary Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece; (G.A.P.); (P.F.)
| | - Ilias Giannenas
- Laboratory of Nutrition, School of Veterinary Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece;
| | - Paschalis Fortomaris
- Laboratory of Animal Science, School of Veterinary Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece; (G.A.P.); (P.F.)
| | - Vasilios Tsiouris
- Unit of Avian Medicine, Clinic of Farm Animals, School of Veterinary Medicine, Aristotle University of Thessaloniki, 54627 Thessaloniki, Greece; (T.M.); (V.T.)
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16
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de Oliveira RP, de Souza Santos A, Aragão BB, da Silva CN, Deegan KR, Ferreira MRA, Soares LAL, Pinheiro REE, Chaves TP, Mota RA. Determination of antimicrobial and modulatory activity of bacterial resistance by nettle (Cnidoscolus urens) extracts in multiresistant bacteria isolated from bovine mastitis. Braz J Microbiol 2024:10.1007/s42770-024-01398-8. [PMID: 38807020 DOI: 10.1007/s42770-024-01398-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Accepted: 05/16/2024] [Indexed: 05/30/2024] Open
Abstract
The present study aimed to evaluate the antimicrobial and modulating activity of the ethanol extract obtained from the leaves, stems, and roots of Cnidoscolus urens in multiresistant bacteria. The Minimum Inhibitory Concentration (MIC) values obtained for the extracts of leaves, stems, and roots were greater than 1024 µg/mL for all isolates. In the antimicrobial resistance modulation test, the extract of the leaves of C. urens showed a better modulating effect than that of the stems and roots for gentamicin, highlighting the reduction of MIC for Escherichia coli, Lactococcus garvieae and Staphylococcus sciuri. For erythromycin, a reduction of MIC was observed in L. garvieae, Staphylococcus aureus, Staphylococcus epidermidis, and Streptococcus agalactiae. The extract from the leaves of C. urens has an important modulating effect on resistance in multiresistant bacteria, especially with gentamicin and erythromycin.
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Affiliation(s)
- Raylson Pereira de Oliveira
- Department of Veterinary Medicine- R. Manuel de Medeiros, Federal Rural University of Pernambuco - UFRPE, CEP, s/n - Dois Irmaos, Recife-PE, 52171-900, Brazil.
| | - André de Souza Santos
- Department of Veterinary Medicine- R. Manuel de Medeiros, Federal Rural University of Pernambuco - UFRPE, CEP, s/n - Dois Irmaos, Recife-PE, 52171-900, Brazil
| | - Breno Bezerra Aragão
- Department of Veterinary Medicine- R. Manuel de Medeiros, Federal Rural University of Pernambuco - UFRPE, CEP, s/n - Dois Irmaos, Recife-PE, 52171-900, Brazil
| | - Cosme Nogueira da Silva
- Department of Veterinary Medicine - R. Augusto Viana, Federal University of Bahia - UFBA, CEP. 40110-909, Salvador-BA, s/n - Canela, Brazil
| | - Kathleen Ramos Deegan
- Department of Veterinary Medicine - R. Augusto Viana, Federal University of Bahia - UFBA, CEP. 40110-909, Salvador-BA, s/n - Canela, Brazil
| | - Magda Rhayanny Assunção Ferreira
- Department of Pharmaceutical Sciences - Av. Prof, Federal University of Pernambuco - UFPE, CEP, Arthur Sá, s/n - Cidade Universitária, Recife-PE, 50740-521, Brazil
| | - Luiz Alberto Lira Soares
- Department of Pharmaceutical Sciences - Av. Prof, Federal University of Pernambuco - UFPE, CEP, Arthur Sá, s/n - Cidade Universitária, Recife-PE, 50740-521, Brazil
| | - Raizza Eveline Escórcio Pinheiro
- Department of Veterinary Medicine - Av. Raul Lopes, Federal University of Piauí - UFPI, CEP, s/n - Ininga, Teresina-PI, 64049-550, Brazil
| | - Thiago Pereira Chaves
- Department of Veterinary Medicine - Av. Raul Lopes, Federal University of Piauí - UFPI, CEP, s/n - Ininga, Teresina-PI, 64049-550, Brazil
| | - Rinaldo Aparecido Mota
- Department of Veterinary Medicine- R. Manuel de Medeiros, Federal Rural University of Pernambuco - UFRPE, CEP, s/n - Dois Irmaos, Recife-PE, 52171-900, Brazil
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Rammal M, Khreiss S, Badran A, Mezher M, Bechelany M, Haidar C, Khalil MI, Baydoun E, El-Dakdouki MH. Antibacterial and Antifungal Activities of Cimbopogon winterianus and Origanum syriacum Extracts and Essential Oils against Uropathogenic Bacteria and Foodborne Fungal Isolates. Foods 2024; 13:1684. [PMID: 38890913 PMCID: PMC11171924 DOI: 10.3390/foods13111684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2024] [Revised: 05/21/2024] [Accepted: 05/24/2024] [Indexed: 06/20/2024] Open
Abstract
This study focused on testing the antibacterial and antifungal activity of Origanum syriacum (O. syriacum) and Cimbopogon winterianus (C. winterianus) extracts and their essential oils (EOs). The bacteria were isolated from urine samples and identified by a VITEK assay, and the fungi were isolated from spoiled food samples and further identified by MALDI-TOF. The susceptibility of the microbial isolates was assessed by determining the bacteriostatic and bactericidal/fungicidal effects by the minimum inhibitory concentration (MIC) and minimum bactericidal/fungicidal concentration (MBC/MFC) broth microdilution assay and time-kill test. The antibiofilm activities were assessed by the antibiofilm screening assays. The bacterial isolates included three Gram-negative isolates (Escherichia coli, Klebsiella pneumonia, and Citrobacter freundii) and two Gram-positive isolates (Staphylococcus aureus and Streptococcus intermedius). The fungal isolates included Candida albicans and Aspergillus niger. The O. syriacum and C. winterianus extracts exhibited bacteriostatic and fungistatic activities (MIC 1.25-2.5 mg/mL for the bacterial isolates and 2.5-5 mg/mL for the fungal isolates). However, their EOs exhibited bactericidal (MBC 5-20%) and fungicidal (MFC 1.25-10%) activities, meaning that the EOs had a better antimicrobial potential than the extracts. The antibiofilm activities of the mentioned extracts and their EOs were relatively weak. The O. syriacum extract inhibited S. aureus, S. intermedius, and K. pneumonia biofilms at a concentration of 0.3125 mg/mL and C. albicans and A. niger biofilms at 0.625 mg/mL. No antibiofilm activity was recorded for C. winterianus extract. In addition, the packaging of grapes with C. winterianus extract preserved them for about 40 days. The results reflect the significant antimicrobial activity of O. syriacum and C. winterianus extracts and their EOs, thus suggesting their potential in food packaging and preservation.
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Affiliation(s)
- Marwa Rammal
- Department of Food Sciences and Technology, Faculty of Agronomy, Lebanese University, Beirut P.O. Box 146404, Lebanon; (M.R.); (S.K.); (C.H.)
| | - Salam Khreiss
- Department of Food Sciences and Technology, Faculty of Agronomy, Lebanese University, Beirut P.O. Box 146404, Lebanon; (M.R.); (S.K.); (C.H.)
| | - Adnan Badran
- Department of Nutrition, University of Petra, Amman P.O Box 961343, Jordan;
| | - Malak Mezher
- Department of Biological Sciences, Faculty of Science, Beirut Arab University, P.O. Box 11-5020, Beirut 11072809, Lebanon; (M.M.); or (M.I.K.)
| | - Mikhael Bechelany
- Institut Européen des Membranes (IEM), UMR-5635, Université de Montpellier, École Nationale Supérieure de Chimie de Montpellier (ENSCM), Centre National de la Recherche Scientifique (CNRS), Place Eugene Bataillon, 34095 Montpellier, France
- Functional Materials Group, Gulf University for Science and Technology (GUST), Mubarak Al-Abdullah 32093, Kuwait
| | - Chaden Haidar
- Department of Food Sciences and Technology, Faculty of Agronomy, Lebanese University, Beirut P.O. Box 146404, Lebanon; (M.R.); (S.K.); (C.H.)
| | - Mahmoud I. Khalil
- Department of Biological Sciences, Faculty of Science, Beirut Arab University, P.O. Box 11-5020, Beirut 11072809, Lebanon; (M.M.); or (M.I.K.)
- Molecular Biology Unit, Department of Zoology, Faculty of Science, Alexandria University, Alexandria 21568, Egypt
| | - Elias Baydoun
- Department of Biology, American University of Beirut, P.O. Box 11-0236, Beirut 11072020, Lebanon;
| | - Mohammad H. El-Dakdouki
- Department of Chemistry, Faculty of Science, Beirut Arab University, Riad El Solh, P.O. Box 11-5020, Beirut 11072809, Lebanon
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18
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Neagu R, Popovici V, Ionescu LE, Ordeanu V, Biță A, Popescu DM, Ozon EA, Gîrd CE. Phytochemical Screening and Antibacterial Activity of Commercially Available Essential Oils Combinations with Conventional Antibiotics against Gram-Positive and Gram-Negative Bacteria. Antibiotics (Basel) 2024; 13:478. [PMID: 38927145 PMCID: PMC11200707 DOI: 10.3390/antibiotics13060478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2024] [Revised: 05/18/2024] [Accepted: 05/22/2024] [Indexed: 06/28/2024] Open
Abstract
The present study aims to evaluate the antibacterial activity of five commercially available essential oils (EOs), Lavender (LEO), Clove (CEO), Oregano (OEO), Eucalyptus (EEO), and Peppermint (PEO), against the most-known MDR Gram-positive and Gram-negative bacteria-Staphylococcus aureus (ATCC 25923), Escherichia coli (ATCC 25922), and Pseudomonas aeruginosa (ATCC 27853)-alone and in various combinations. Gas Chromatography-Mass Spectrometry (GC-MS) analysis established their complex compositions. Then, their antibacterial activity-expressed as the inhibition zone diameter (IZD) value (mm)-was investigated in vitro by the diffusimetric antibiogram method, using sterile cellulose discs with Ø 6 mm impregnated with 10 µL of sample and sterile borosilicate glass cylinders loaded with 100 µL; the minimum inhibitory concentration (MIC) value (µg/mL) for each EO was calculated from the IZD values (mm) measured after 24 h. The following EO combinations were evaluated: OEO+CEO, CEO+EEO, CEO+PEO, LEO+EEO, and EEO+PEO. Then, the influence of each dual combination on the activity of three conventional antibacterial drugs-Neomycin (NEO), Tetracycline (TET), and Bacitracin (BAC)-was investigated. The most active EOs against S. aureus and E. coli were LEO and OEO (IZD = 40 mm). They were followed by CEO and EEO (IZD = 20-27 mm); PEO exhibited the lowest antibacterial activity (IZD = 15-20 mm). EEO alone showed the highest inhibitory activity on P. aeruginosa (IZD = 25-35 mm). It was followed by CEO, LEO, and EEO (IZD = 7-11 mm), while PEO proved no antibacterial action against it (IZD = 0 mm). Only one synergic action was recorded (OEO+CEO against P. aeruginosa); EEO+PEO revealed partial synergism against S. aureus and CEO+PEO showed additive behavior against E. coli. Two triple associations with TET showed partial synergism against E. coli, and the other two (with NEO and TET) evidenced the same behavior against S. aureus; all contained EEO+PEO or CEO+PEO. Most combinations reported indifference. However, numerous cases involved antagonism between the constituents included in the double and triple combinations, and the EOs with the strongest antibacterial activities belonged to the highest antagonistic combinations. A consistent statistical analysis supported our results, showing that the EOs with moderate antibacterial activities could generate combinations with higher inhibitory effects based on synergistic or additive interactions.
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Affiliation(s)
- Răzvan Neagu
- Department of Pharmacognosy, Phytochemistry, and Phytotherapy, Faculty of Pharmacy, Carol Davila University of Medicine and Pharmacy, 6 Traian Vuia Street, 020956 Bucharest, Romania; (R.N.); (C.E.G.)
- Regenerative Medicine Laboratory, “Cantacuzino” National Military Medical Institute for Research and Development, 103 Spl. Independentei, 050096 Bucharest, Romania;
| | - Violeta Popovici
- Center for Mountain Economics, “Costin C. Kiriţescu” National Institute of Economic Research (INCE-CEMONT), Romanian Academy, 725700 Vatra-Dornei, Romania
| | - Lucia-Elena Ionescu
- Experimental Microbiology Laboratory, “Cantacuzino” National Military Medical Institute for Research and Development, 103 Spl. Independentei, 050096 Bucharest, Romania
| | - Viorel Ordeanu
- Faculty of Pharmacy, “Titu Maiorescu” University, 16 Sincai, 040314 Bucharest, Romania;
| | - Andrei Biță
- Department of Pharmacognosy & Phytotherapy, Faculty of Pharmacy, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania;
| | - Diana Mihaela Popescu
- Regenerative Medicine Laboratory, “Cantacuzino” National Military Medical Institute for Research and Development, 103 Spl. Independentei, 050096 Bucharest, Romania;
| | - Emma Adriana Ozon
- Department of Pharmaceutical Technology and Biopharmacy, Faculty of Pharmacy, Carol Davila University of Medicine and Pharmacy, 6 Traian Vuia Street, 020956 Bucharest, Romania;
| | - Cerasela Elena Gîrd
- Department of Pharmacognosy, Phytochemistry, and Phytotherapy, Faculty of Pharmacy, Carol Davila University of Medicine and Pharmacy, 6 Traian Vuia Street, 020956 Bucharest, Romania; (R.N.); (C.E.G.)
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Vaziri AS, Alizadeh M, Vasheghani-Farahani E, Karakaya E, Detsch R, Boccaccini AR. Polyethylenimine Inclusion to Develop Aqueous Alginate-Based Core-Shell Capsules for Biomedical Applications. ACS APPLIED MATERIALS & INTERFACES 2024; 16:25652-25664. [PMID: 38739871 DOI: 10.1021/acsami.4c01186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2024]
Abstract
Aqueous core-shell structures can serve as an efficient approach that allows cells to generate 3D spheroids with in vivo-like cell-to-cell contacts. Here, a novel strategy for fabricating liquid-core-shell capsules is proposed by inverse gelation of alginate (ALG) and layer-by-layer (LbL) coating. We hypothesized that the unique properties of polyethylenimine (PEI) could be utilized to overcome the low structural stability and the limited cell recognition motifs of ALG. In the next step, alginate dialdehyde (ADA) enabled the Schiff-base reaction with free amine groups of PEI to reduce its possible toxic effects. Scanning electron microscopy and light microscopy images proved the formation of spherical hollow capsules with outer diameters of 3.0 ± 0.1 mm for ALG, 3.2 ± 0.1 mm for ALG/PEI, and 4.0 ± 0.2 mm for ALG/PEI/ADA capsules. The effective modulus increased by 3-fold and 5-fold when comparing ALG/PEI/ADA and ALG/PEI to ALG capsules, respectively. Moreover, PEI-coated capsules showed potential antibacterial properties against both Staphylococcus aureus and Escherichia coli, with an apparent inhibition zone. The cell viability results showed that all capsules were cytocompatible (above 75.5%). Cells could proliferate and form spheroids when encapsulated within the ALG/PEI/ADA capsules. Monitoring the spheroid thickness over 5 days of incubation indicated an increasing trend from 39.50 μm after 1 day to 66.86 μm after 5 days. The proposed encapsulation protocol represents a new in vitro platform for developing 3D cell cultivation and can be adapted to fulfill the requirements of various biomedical applications.
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Affiliation(s)
- Asma Sadat Vaziri
- Biomedical Engineering Division, Faculty of Chemical Engineering, Tarbiat Modares University, Tehran 14115-111, Iran
- Institute of Biomaterials, University of Erlangen-Nuremberg, Cauerstrasse 6, Erlangen 91058, Germany
| | - Maryam Alizadeh
- Institute of Biomaterials, University of Erlangen-Nuremberg, Cauerstrasse 6, Erlangen 91058, Germany
| | - Ebrahim Vasheghani-Farahani
- Biomedical Engineering Division, Faculty of Chemical Engineering, Tarbiat Modares University, Tehran 14115-111, Iran
| | - Emine Karakaya
- Institute of Biomaterials, University of Erlangen-Nuremberg, Cauerstrasse 6, Erlangen 91058, Germany
| | - Rainer Detsch
- Institute of Biomaterials, University of Erlangen-Nuremberg, Cauerstrasse 6, Erlangen 91058, Germany
| | - Aldo R Boccaccini
- Institute of Biomaterials, University of Erlangen-Nuremberg, Cauerstrasse 6, Erlangen 91058, Germany
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Ziemlewska A, Zagórska-Dziok M, Mokrzyńska A, Nizioł-Łukaszewska Z, Szczepanek D, Sowa I, Wójciak M. Comparison of Anti-Inflammatory and Antibacterial Properties of Raphanus sativus L. Leaf and Root Kombucha-Fermented Extracts. Int J Mol Sci 2024; 25:5622. [PMID: 38891811 PMCID: PMC11171837 DOI: 10.3390/ijms25115622] [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: 04/24/2024] [Revised: 05/18/2024] [Accepted: 05/20/2024] [Indexed: 06/21/2024] Open
Abstract
In the cosmetics industry, the extract from Raphanus sativus L. is fermented using specific starter cultures. These cosmetic ingredients act as preservatives and skin conditioners. Kombucha is traditionally made by fermenting sweetened tea using symbiotic cultures of bacteria and yeast and is used in cosmetic products. The aim of this study was to evaluate the cosmetic properties of radish leaf and root extract fermented with the SCOBY. Both unfermented water extracts and extracts after 7, 14, and 21 days of fermentation were evaluated. The analysis of secondary plant metabolites by UPLC-MS showed higher values for ferments than for extracts. A similar relationship was noted when examining the antioxidant properties using DPPH and ABTS radicals and the protective effect against H2O2-induced oxidative stress in fibroblasts and keratinocytes using the fluorogenic dye H2DCFDA. The results also showed no cytotoxicity to skin cells using Alamar Blue and Neutral Red tests. The ability of the samples to inhibit IL-1β and COX-2 activity in LPS-treated fibroblasts was also demonstrated using ELISA assays. The influence of extracts and ferments on bacterial strains involved in inflammatory processes of skin diseases was also assessed. Additionally, application tests were carried out, which showed a positive effect of extracts and ferments on TEWL and skin hydration using a TEWAmeter and corneometer probe. The results obtained depended on the concentration used and the fermentation time.
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Affiliation(s)
- Aleksandra Ziemlewska
- Department of Technology of Cosmetic and Pharmaceutical Products, Medical College, University of Information Technology and Management in Rzeszow, Sucharskiego 2, 35-225 Rzeszow, Poland; (A.Z.); (M.Z.-D.); (A.M.); (Z.N.-Ł.)
| | - Martyna Zagórska-Dziok
- Department of Technology of Cosmetic and Pharmaceutical Products, Medical College, University of Information Technology and Management in Rzeszow, Sucharskiego 2, 35-225 Rzeszow, Poland; (A.Z.); (M.Z.-D.); (A.M.); (Z.N.-Ł.)
| | - Agnieszka Mokrzyńska
- Department of Technology of Cosmetic and Pharmaceutical Products, Medical College, University of Information Technology and Management in Rzeszow, Sucharskiego 2, 35-225 Rzeszow, Poland; (A.Z.); (M.Z.-D.); (A.M.); (Z.N.-Ł.)
| | - Zofia Nizioł-Łukaszewska
- Department of Technology of Cosmetic and Pharmaceutical Products, Medical College, University of Information Technology and Management in Rzeszow, Sucharskiego 2, 35-225 Rzeszow, Poland; (A.Z.); (M.Z.-D.); (A.M.); (Z.N.-Ł.)
| | - Dariusz Szczepanek
- Department of Neurosurgery and Paediatric Neurosurgery, Medical University of Lublin, 20-090 Lublin, Poland;
| | - Ireneusz Sowa
- Department of Analytical Chemistry, Medical University of Lublin, Aleje Raclawickie 1, 20-059 Lublin, Poland;
| | - Magdalena Wójciak
- Department of Analytical Chemistry, Medical University of Lublin, Aleje Raclawickie 1, 20-059 Lublin, Poland;
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Mitchell J, Sutton K, Elango JN, Borowska D, Perry F, Lahaye L, Santin E, Arsenault RJ, Vervelde L. Chicken intestinal organoids: a novel method to measure the mode of action of feed additives. Front Immunol 2024; 15:1368545. [PMID: 38835764 PMCID: PMC11148291 DOI: 10.3389/fimmu.2024.1368545] [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: 01/10/2024] [Accepted: 04/29/2024] [Indexed: 06/06/2024] Open
Abstract
There is a rapidly growing interest in how the avian intestine is affected by dietary components and feed additives. The paucity of physiologically relevant models has limited research in this field of poultry gut health and led to an over-reliance on the use of live birds for experiments. The development of complex 3D intestinal organoids or "mini-guts" has created ample opportunities for poultry research in this field. A major advantage of the floating chicken intestinal organoids is the combination of a complex cell system with an easily accessible apical-out orientation grown in a simple culture medium without an extracellular matrix. The objective was to investigate the impact of a commercial proprietary blend of organic acids and essential oils (OA+EO) on the innate immune responses and kinome of chicken intestinal organoids in a Salmonella challenge model. To mimic the in vivo prolonged exposure of the intestine to the product, the intestinal organoids were treated for 2 days with 0.5 or 0.25 mg/mL OA+EO and either uninfected or infected with Salmonella and bacterial load in the organoids was quantified at 3 hours post infection. The bacteria were also treated with OA+EO for 1 day prior to challenge of the organoids to mimic intestinal exposure. The treatment of the organoids with OA+EO resulted in a significant decrease in the bacterial load compared to untreated infected organoids. The expression of 88 innate immune genes was investigated using a high throughput qPCR array, measuring the expression of 88 innate immune genes. Salmonella invasion of the untreated intestinal organoids resulted in a significant increase in the expression of inflammatory cytokine and chemokines as well as genes involved in intracellular signaling. In contrast, when the organoids were treated with OA+EO and challenged with Salmonella, the inflammatory responses were significantly downregulated. The kinome array data suggested decreased phosphorylation elicited by the OA+EO with Salmonella in agreement with the gene expression data sets. This study demonstrates that the in vitro chicken intestinal organoids are a new tool to measure the effect of the feed additives in a bacterial challenge model by measuring innate immune and protein kinases responses.
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Affiliation(s)
- Jordan Mitchell
- Division of Immunology, The Roslin Institute and Royal (Dick) School of Veterinary Sciences (R(D)SVS), University of Edinburgh, Edinburgh, United Kingdom
| | - Kate Sutton
- Division of Immunology, The Roslin Institute and Royal (Dick) School of Veterinary Sciences (R(D)SVS), University of Edinburgh, Edinburgh, United Kingdom
| | | | - Dominika Borowska
- Division of Immunology, The Roslin Institute and Royal (Dick) School of Veterinary Sciences (R(D)SVS), University of Edinburgh, Edinburgh, United Kingdom
| | - Famatta Perry
- Department of Animal and Food Sciences, University of Delaware, Newark, DE, United States
| | | | | | - Ryan J Arsenault
- Department of Animal and Food Sciences, University of Delaware, Newark, DE, United States
| | - Lonneke Vervelde
- Division of Immunology, The Roslin Institute and Royal (Dick) School of Veterinary Sciences (R(D)SVS), University of Edinburgh, Edinburgh, United Kingdom
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Lopes APR, Andrade AL, Pinheiro ADA, de Sousa LS, Malveira EA, Oliveira FFM, de Albuquerque CC, Teixeira EH, de Vasconcelos MA. Lippia grata Essential Oil Acts Synergistically with Ampicillin Against Staphylococcus aureus and its Biofilm. Curr Microbiol 2024; 81:176. [PMID: 38755426 DOI: 10.1007/s00284-024-03690-0] [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: 10/13/2023] [Accepted: 04/04/2024] [Indexed: 05/18/2024]
Abstract
Antimicrobial resistance (AMR) presents a global challenge as microorganisms evolve to withstand the effects of antibiotics. In addition, the improper use of antibiotics significantly contributes to the AMR acceleration. Essential oils have garnered attention for their antimicrobial potential. Indeed, essential oils extracted from plants contain compounds that exhibit antibacterial activity, including against resistant microorganisms. Hence, this study aimed to evaluate the antimicrobial and antibiofilm activity of the essential oil (EO) extracted from Lippia grata and its combination with ampicillin against Staphylococcus aureus strains (ATCC 25923, ATCC 700698, and JKD6008). The plant material (leaves) was gathered in Mossoro, RN, and the EO was obtained using the hydrodistillation method with the Clevenger apparatus. The antimicrobial activity of the EO was assessed through minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) assays. Antibiofilm activity was evaluated by measuring biomass using crystal violet (CV) staining, viable cell counting, and analysis of preformed biofilms. In addition, the synergistic effects of the EO in combination with ampicillin were examined by scanning electron and confocal microscopy. The EO displayed a MIC value of 2.5 mg/mL against all tested S. aureus strains and an MBC only against S. aureus JKD6008 at 2.5 mg/mL. L. grata EO caused complete biofilm inhibition at concentrations ranging from 10 to 0.312 mg/mL against S. aureus ATCC 25923 and 10 to 1.25 mg/mL against S. aureus ATCC 700698 and S. aureus JKD6008. In the viable cell quantification assay, there was a reduction in CFU ranging from 1.0 to 8.0 logs. The combination of EO with ampicillin exhibited a synergistic effect against all strains. Moreover, the combination showed a significantly inhibiting biofilm formation and eradicating preformed biofilms. Furthermore, the EO and ampicillin (individually and in combination) altered the cellular morphology of S. aureus cells. Regarding the mechanism, the results revealed that L. grata EO increased membrane permeability and caused significant membrane damage. Concerning the synergy mechanism, the results revealed that the combination of EO and ampicillin increases membrane permeability and causes considerable membrane damage, further inhibiting bacteria synergistically. The findings obtained here suggest that L. grata EO in combination with ampicillin could be a viable treatment option against S. aureus infections, including MRSA strain.
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Affiliation(s)
| | - Alexandre Lopes Andrade
- Laboratório Integrado de Biomoléculas, Departamento de Patologia E Medicina Legal, Universidade Federal do Ceará, Fortaleza, CE, Brazil
| | - Aryane de Azevedo Pinheiro
- Laboratório Integrado de Biomoléculas, Departamento de Patologia E Medicina Legal, Universidade Federal do Ceará, Fortaleza, CE, Brazil
- Centro Universitário Inta - UNINTA, Itapipoca, CE, Brazil
| | - Leonardo Silva de Sousa
- Laboratório Integrado de Biomoléculas, Departamento de Patologia E Medicina Legal, Universidade Federal do Ceará, Fortaleza, CE, Brazil
| | - Ellen Araújo Malveira
- Laboratório Integrado de Biomoléculas, Departamento de Patologia E Medicina Legal, Universidade Federal do Ceará, Fortaleza, CE, Brazil
| | | | | | - Edson Holanda Teixeira
- Laboratório Integrado de Biomoléculas, Departamento de Patologia E Medicina Legal, Universidade Federal do Ceará, Fortaleza, CE, Brazil
| | - Mayron Alves de Vasconcelos
- Faculdade de Ciências Exatas E Naturais, Universidade do Estado do Rio Grande do Norte, Mossoró, RN, Brazil.
- Laboratório Integrado de Biomoléculas, Departamento de Patologia E Medicina Legal, Universidade Federal do Ceará, Fortaleza, CE, Brazil.
- Faculdade de Educação de Itapipoca, Universidade Estadual do Ceará, Itapipoca, CE, Brazil.
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23
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Torres Neto L, Monteiro MLG, da Silva BD, Machado MAM, Mutz YDS, Conte-Junior CA. Ultrasound-Assisted Nanoemulsion Loaded with Optimized Antibacterial Essential Oil Blend: A New Approach against Escherichia coli, Staphylococcus aureus, and Salmonella Enteritidis in Trout ( Oncorhynchus mykiss) Fillets. Foods 2024; 13:1569. [PMID: 38790870 PMCID: PMC11120578 DOI: 10.3390/foods13101569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Revised: 05/14/2024] [Accepted: 05/15/2024] [Indexed: 05/26/2024] Open
Abstract
This study aimed to obtain and characterize an oil-in-water nanoemulsion (NE) loaded with an in vitro optimized bactericidal essential oil blend of 50% oregano, 40% thyme, and 10% lemongrass and to evaluate its potential at three different concentrations (0.5%, 1%, and 2%) in the inactivation of Escherichia coli, Staphylococcus aureus, and Salmonella enterica serotype Enteritidis inoculated in rainbow trout fillets stored at 4 °C for 9 days. Regarding the NE, the nanometric size (<100 nm) with low polydispersion (0.17 ± 0.02) was successfully obtained through ultrasound at 2.09 W/cm2. Considering the three concentrations used, S. Enteritidis was the most susceptible. On the other hand, comparing the concentrations used, the NE at 2% showed better activity, reducing S. Enteritidis, E. coli, and S. aureus by 0.33, 0.20, and 0.73 log CFU/g, respectively, in the trout fillets. Thus, this data indicates that this is a promising eco-friendly alternative to produce safe fish for consumption and reduce public health risks.
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Affiliation(s)
- Luiz Torres Neto
- Technological Development Support Laboratory (LADETEC), Center for Food Analysis (NAL), Cidade Universitária, Rio de Janeiro 21941-598, RJ, Brazil; (M.L.G.M.); (B.D.d.S.); (M.A.M.M.); (Y.d.S.M.); (C.A.C.-J.)
- Graduate Program in Food Science (PPGCAL), Institute of Chemistry (IQ), Federal University of Rio de Janeiro (UFRJ), Cidade Universitária, Rio de Janeiro 21941-909, RJ, Brazil
| | - Maria Lucia Guerra Monteiro
- Technological Development Support Laboratory (LADETEC), Center for Food Analysis (NAL), Cidade Universitária, Rio de Janeiro 21941-598, RJ, Brazil; (M.L.G.M.); (B.D.d.S.); (M.A.M.M.); (Y.d.S.M.); (C.A.C.-J.)
- Graduate Program in Food Science (PPGCAL), Institute of Chemistry (IQ), Federal University of Rio de Janeiro (UFRJ), Cidade Universitária, Rio de Janeiro 21941-909, RJ, Brazil
- Graduate Program in Veterinary Hygiene (PPGHV), Faculty of Veterinary Medicine, Fluminense Federal University (UFF), Vital Brazil Filho, Niterói 24220-000, RJ, Brazil
| | - Bruno Dutra da Silva
- Technological Development Support Laboratory (LADETEC), Center for Food Analysis (NAL), Cidade Universitária, Rio de Janeiro 21941-598, RJ, Brazil; (M.L.G.M.); (B.D.d.S.); (M.A.M.M.); (Y.d.S.M.); (C.A.C.-J.)
- Graduate Program in Food Science (PPGCAL), Institute of Chemistry (IQ), Federal University of Rio de Janeiro (UFRJ), Cidade Universitária, Rio de Janeiro 21941-909, RJ, Brazil
| | - Maxsueli Aparecida Moura Machado
- Technological Development Support Laboratory (LADETEC), Center for Food Analysis (NAL), Cidade Universitária, Rio de Janeiro 21941-598, RJ, Brazil; (M.L.G.M.); (B.D.d.S.); (M.A.M.M.); (Y.d.S.M.); (C.A.C.-J.)
- Graduate Program in Food Science (PPGCAL), Institute of Chemistry (IQ), Federal University of Rio de Janeiro (UFRJ), Cidade Universitária, Rio de Janeiro 21941-909, RJ, Brazil
| | - Yhan da Silva Mutz
- Technological Development Support Laboratory (LADETEC), Center for Food Analysis (NAL), Cidade Universitária, Rio de Janeiro 21941-598, RJ, Brazil; (M.L.G.M.); (B.D.d.S.); (M.A.M.M.); (Y.d.S.M.); (C.A.C.-J.)
- Graduate Program in Food Science (PPGCAL), Institute of Chemistry (IQ), Federal University of Rio de Janeiro (UFRJ), Cidade Universitária, Rio de Janeiro 21941-909, RJ, Brazil
| | - Carlos Adam Conte-Junior
- Technological Development Support Laboratory (LADETEC), Center for Food Analysis (NAL), Cidade Universitária, Rio de Janeiro 21941-598, RJ, Brazil; (M.L.G.M.); (B.D.d.S.); (M.A.M.M.); (Y.d.S.M.); (C.A.C.-J.)
- Graduate Program in Food Science (PPGCAL), Institute of Chemistry (IQ), Federal University of Rio de Janeiro (UFRJ), Cidade Universitária, Rio de Janeiro 21941-909, RJ, Brazil
- Graduate Program in Veterinary Hygiene (PPGHV), Faculty of Veterinary Medicine, Fluminense Federal University (UFF), Vital Brazil Filho, Niterói 24220-000, RJ, Brazil
- Graduate Program in Sanitary Surveillance (PPGVS), National Institute of Health Quality Control (INCQS), Oswaldo Cruz Foundation (FIOCRUZ), Rio de Janeiro 21040-900, RJ, Brazil
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24
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Huerta Lorenzo B, Galán-Relaño Á, Barba-Sánchez E, Romero-Salmoral A, Solarte Portilla AL, Gómez-Gascón L, Astorga Márquez RJ. Potentiation of the Antimicrobial Effect of Oxytetracycline Combined with Cinnamon, Clove, Oregano, and Red Thyme Essential Oils against MDR Salmonella enterica Strains. Animals (Basel) 2024; 14:1347. [PMID: 38731351 PMCID: PMC11083648 DOI: 10.3390/ani14091347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2024] [Revised: 04/22/2024] [Accepted: 04/24/2024] [Indexed: 05/13/2024] Open
Abstract
Tetracyclines have a high resistance percentage in Salmonella spp. of both human and animal origin. Essential oils, such as cinnamon (Cinnamomum zeylanicum), clove (Eugenia caryophyllata), oregano (Origanum vulgare), and red thyme (Thymus zygis), have shown bactericidal activity against this bacterium. However, in many cases, the minimum inhibitory concentration (MIC) exceeds the cytotoxicity limits. The objective of this study was to assess the in vitro efficacy of combining oxytetracycline with essential these oils against field multidrug-resistant (MDR) Salmonella enterica strains. The MIC of each product was determined using the broth microdilution method. The interaction was evaluated using the checkerboard method, by means of the fractional inhibitory concentration index (FICindex) determination. The results showed a positive interaction (synergy and additivity) between oxytetracycline and the four oils tested, resulting in a reduction in both products' MICs by 2 to 4 times their initial value, in the case of oils, and by 2 to 1024 times in the case of the antibiotic. The combination of oxytetracycline and cinnamon achieved the best results (FICindex 0.5), with a decrease in the antibiotic effective concentration to below the sensitivity threshold (MIC of the combined oxytetracycline 0.5 µg/mL). There was no antagonistic effect in any case, although differences in response were observed depending on the bacterial strain. The results of this study suggest that combining oxytetracycline with cinnamon oil could be an effective alternative for controlling tetracycline-resistant strains of Salmonella. However, its individual use should be further evaluated through in vitro susceptibility tests.
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Affiliation(s)
- Belén Huerta Lorenzo
- Animal Health Department, Veterinary Faculty, University of Cordoba, 14014 Cordoba, Spain; (B.H.L.); (E.B.-S.); (A.R.-S.); (A.L.S.P.); (L.G.-G.); (R.J.A.M.)
- Zoonotic and Emerging Diseases (ENZOEM), University of Cordoba, 14014 Cordoba, Spain
| | - Ángela Galán-Relaño
- Animal Health Department, Veterinary Faculty, University of Cordoba, 14014 Cordoba, Spain; (B.H.L.); (E.B.-S.); (A.R.-S.); (A.L.S.P.); (L.G.-G.); (R.J.A.M.)
- Zoonotic and Emerging Diseases (ENZOEM), University of Cordoba, 14014 Cordoba, Spain
| | - Emilio Barba-Sánchez
- Animal Health Department, Veterinary Faculty, University of Cordoba, 14014 Cordoba, Spain; (B.H.L.); (E.B.-S.); (A.R.-S.); (A.L.S.P.); (L.G.-G.); (R.J.A.M.)
| | - Antonio Romero-Salmoral
- Animal Health Department, Veterinary Faculty, University of Cordoba, 14014 Cordoba, Spain; (B.H.L.); (E.B.-S.); (A.R.-S.); (A.L.S.P.); (L.G.-G.); (R.J.A.M.)
- Zoonotic and Emerging Diseases (ENZOEM), University of Cordoba, 14014 Cordoba, Spain
| | - Ana L. Solarte Portilla
- Animal Health Department, Veterinary Faculty, University of Cordoba, 14014 Cordoba, Spain; (B.H.L.); (E.B.-S.); (A.R.-S.); (A.L.S.P.); (L.G.-G.); (R.J.A.M.)
- Mariana University, Calle 18 No. 34-104 Pasto (N), San Juan de Pasto 52001, Colombia
| | - Lidia Gómez-Gascón
- Animal Health Department, Veterinary Faculty, University of Cordoba, 14014 Cordoba, Spain; (B.H.L.); (E.B.-S.); (A.R.-S.); (A.L.S.P.); (L.G.-G.); (R.J.A.M.)
- Zoonotic and Emerging Diseases (ENZOEM), University of Cordoba, 14014 Cordoba, Spain
| | - Rafael J. Astorga Márquez
- Animal Health Department, Veterinary Faculty, University of Cordoba, 14014 Cordoba, Spain; (B.H.L.); (E.B.-S.); (A.R.-S.); (A.L.S.P.); (L.G.-G.); (R.J.A.M.)
- Zoonotic and Emerging Diseases (ENZOEM), University of Cordoba, 14014 Cordoba, Spain
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Suárez-Vega A, Berriozabal G, Perez de Iriarte J, Lorenzo J, Álvarez N, Dominguez-Meister S, Insausti S, Rujas E, Nieva JL, Brizuela M, Braceras I. On the antimicrobial properties and endurance of eugenol and 2-phenylphenol functionalized sol-gel coatings. Heliyon 2024; 10:e29146. [PMID: 38628759 PMCID: PMC11016974 DOI: 10.1016/j.heliyon.2024.e29146] [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: 09/08/2023] [Revised: 03/04/2024] [Accepted: 04/01/2024] [Indexed: 04/19/2024] Open
Abstract
Preventing microbiological surface contamination in public spaces is nowadays of high priority. The proliferation of a microbial infection may arise through air, water, or direct contact with infected surfaces. Chemical sanitization is one of the most effective approaches to avoid the proliferation of microorganisms. However, extended contact with chemicals for cleaning purposes such as chlorine, hydrogen peroxide or ethanol may lead to long-term diseases as well as drowsiness or respiratory issues, not to mention environmental issues associated to their use. As a potentially safer alternative, in the present work, the efficacy and endurance of the antimicrobial activity of different sol-gel coatings were studied, where one or two biocides were added to the coating matrix resulting on active groups exposed on the surface. Specifically, the coating formulations were synthesized by the sol-gel method. Using the alkoxide route with acid catalysis a hybrid silica-titania-methacrylate matrix was obtained where aromatic liquid eugenol was added with a double function: as a complexing agent for the chelation of the reaction precursor titanium isopropoxide, and as a biocide. In addition, 2-Phenylphenol, ECHA approved biocide, has also been incorporated to the coating matrix. The antibacterial effect of these coatings was confirmed on Gram-positive (Staphylococcus aureus) and Gram-negative bacteria (Escherichia coli). Additionally, the coatings were non cyto-toxic and displayed virucidal activity. The coating chemical composition was characterized by 29Si NMR, and ATR-FTIR. Furthermore, the thickness and the mechanical properties were characterized by profilometry and nanoindentation, respectively. Finally, the durability of the coatings was studied with tribology tests. Overall, our data support the efficacy of the tested sol-gel coatings and suggest that added features may be required to improve endurance of the antimicrobial effects on operational conditions.
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Affiliation(s)
- Ana Suárez-Vega
- TECNALIA, Basque Research and Technology Alliance (BRTA), Mikeletegi Pasealekua 2, Donostia-San Sebastián, Spain
| | - Gemma Berriozabal
- TECNALIA, Basque Research and Technology Alliance (BRTA), Mikeletegi Pasealekua 2, Donostia-San Sebastián, Spain
| | - Juan Perez de Iriarte
- TECNALIA, Basque Research and Technology Alliance (BRTA), Mikeletegi Pasealekua 2, Donostia-San Sebastián, Spain
| | - Jaione Lorenzo
- TECNALIA, Basque Research and Technology Alliance (BRTA), Mikeletegi Pasealekua 2, Donostia-San Sebastián, Spain
| | - Noelia Álvarez
- TECNALIA, Basque Research and Technology Alliance (BRTA), Mikeletegi Pasealekua 2, Donostia-San Sebastián, Spain
| | - Santiago Dominguez-Meister
- TECNALIA, Basque Research and Technology Alliance (BRTA), Mikeletegi Pasealekua 2, Donostia-San Sebastián, Spain
| | - Sara Insausti
- Instituto Biofisika (CSIC-UPV/EHU), University of the Basque Country (UPV/EHU), PO Box 644, 48080, Bilbao, Spain
- Department of Biochemistry and Molecular Biology, University of the Basque Country (UPV/EHU), PO Box 644, 48080, Bilbao, Spain
| | - Edurne Rujas
- Instituto Biofisika (CSIC-UPV/EHU), University of the Basque Country (UPV/EHU), PO Box 644, 48080, Bilbao, Spain
- Ikerbasque, Basque Foundation for Science, 48013, Bilbao, Spain
- Pharmacokinetic, Nanotechnology and Gene Therapy Group, Faculty of Pharmacy, University of the Basque Country UPV/EHU, 01006, Vitoria-Gasteiz, Spain
- Bioaraba, Microbiology, Infectious Disease, Antimicrobial Agents, and Gene Therapy, 01006, Vitoria-Gasteiz, Spain
| | - Jose L. Nieva
- Instituto Biofisika (CSIC-UPV/EHU), University of the Basque Country (UPV/EHU), PO Box 644, 48080, Bilbao, Spain
- Department of Biochemistry and Molecular Biology, University of the Basque Country (UPV/EHU), PO Box 644, 48080, Bilbao, Spain
| | - Marta Brizuela
- TECNALIA, Basque Research and Technology Alliance (BRTA), Mikeletegi Pasealekua 2, Donostia-San Sebastián, Spain
| | - Iñigo Braceras
- TECNALIA, Basque Research and Technology Alliance (BRTA), Mikeletegi Pasealekua 2, Donostia-San Sebastián, Spain
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Dagli N, Haque M, Kumar S. Bibliometric Analysis and Visualization of Clinical Trials on the Therapeutic Potential of Essential Oils (1967-2024). Cureus 2024; 16:e57430. [PMID: 38572180 PMCID: PMC10988541 DOI: 10.7759/cureus.57430] [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] [Accepted: 04/01/2024] [Indexed: 04/05/2024] Open
Abstract
Essential oils, aromatic compounds extracted from various parts of plants, have garnered significant attention in recent years due to their diverse therapeutic properties and potential applications in healthcare. This analysis delves into the publication trends, productivity patterns, most relevant contributors, coauthorship networks, most frequently used keywords, and their co-occurrence, topic trends, thematic evolution, and collaboration between various countries in clinical trials exploring the therapeutic potential of essential oils. Six hundred sixty-one clinical trials were selected from the PubMed database for analysis, authored by 2959 authors, and published across 359 sources. The analysis identified Horrobin DF as the most contributing author based on the number of published clinical trials, followed by Kasper S, McGuire JA, and Schlafke S. Lotka's law underscores the distribution of authors' productivity, revealing a small number of highly productive authors. Coauthorship analysis identifies significant collaborations among authors and institutions, with prominent contributors like Siegfried Kasper and institutions like Shiraz University of Medical Sciences. Furthermore, the analysis highlights leading journals like Complementary Therapies in Clinical Practice and the Journal of Alternative and Complementary Medicine. Using keyword clustering, connections between various subjects and their chronological presence are uncovered, offering insights into the changing research landscape. The thematic examination exposes changes in research emphasis over time, progressing from fundamental studies on essential oil components to broader utilization and focused inquiries into oils and therapeutic domains. Analysis of the countries of corresponding authors revealed that Iran has the highest number of multiple-country publications. Moreover, international collaboration trends have been unveiled. Together, these analyses furnish holistic understandings of keyword relationships, thematic shifts, and global partnerships in essential oil research, presenting valuable perspectives on trends and focal points within this domain.
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Affiliation(s)
- Namrata Dagli
- Dentistry, Karnavati Scientific Research Center, Karnavati School of Dentistry, Karnavati University, Gandhinagar, IND
| | - Mainul Haque
- Therapeutics, Karnavati Scientific Research Center, Karnavati School of Dentistry, Karnavati University, Gandhinagar, IND
- Pharmacology and Therapeutics, National Defence University of Malaysia, Kuala Lumpur, MYS
| | - Santosh Kumar
- Periodontology and Implantology, Karnavati Scientific Research Center, Karnavati School of Dentistry, Karnavati University, Gandhinagar, IND
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Saffarian H, Rahimi E, Khamesipour F, Hashemi Dehkordi SM. Antioxidant and antimicrobial effect of sodium alginate nanoemulsion coating enriched with oregano essential oil ( Origanum vulgare L.) and Trachyspermum ammi oil ( Carum cupticum) on food pathogenic bacteria. Food Sci Nutr 2024; 12:2985-2997. [PMID: 38628174 PMCID: PMC11016405 DOI: 10.1002/fsn3.3979] [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: 09/09/2023] [Revised: 01/06/2024] [Accepted: 01/10/2024] [Indexed: 04/19/2024] Open
Abstract
Today, microbial contamination in food is one of the major problems of the food industry and public health in general around the world. Foodborne illnesses, such as diarrheal diseases, kill many people around the world each year. The general objective of this study was to evaluate the antioxidant and antibacterial activity of sodium alginate nanoemulsion coating incorporated with oregano essential oil (Origanum vulgare L.) and Trachyspermum ammi oil (Carum cupticum) on Escherichia coli, and Listeria monocytogenes. To achieve this study, fresh chicken meat was used for this experiment. Listeria monocytogenes ATCC 19111 and Escherichia coli ATCC 35218 were obtained from the American Type Culture Collection (Manassas, VA, USA). After the preparation of the essential oil, the chemical composition of this essential oil was determined by using (GC-MS). The physicochemical properties of the nanoemulsion essential oil prepared were characterized and their antimicrobial activity was evaluated. The results showed that the GC-MS analysis of the volatile constituents of the Origanum vulgare essential oil compounds allowed the identification of 19 compounds representing 93.72% of the total oil. The major components detected in Origanum vulgare essential oil were pulegone (49.25%), eucalyptol (18.23%), and menthone (12.37%). About the Carum cupticum essential oil, 21 compounds representing 98.5% of the total oil were identified. The major components detected in Origanum vulgare essential oil were thymol (23.3%), p-cymene (17.5%), and γ-terpinene (16.8%). The best z-average (d.nm) is 483.4 nm (Carum cupticum essential oil + nano) followed by 470.1 nm (nanochitosan). The results of the antimicrobial test showed that the different preparations have a good inhibitory activity for the in vitro growth of Escherichia coli and Listeria monocytogenes. According to the MIC and MBC results of this study, the nanoemulsion also presented a good bacteriostatic activity against the two pathogenic bacteria tested in this study.
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Affiliation(s)
- Hashem Saffarian
- Department of Food Hygiene and Public Health, Faculty of Veterinary Medicine, Shahrekord Branch Islamic Azad University Shahrekord Iran
| | - Ebrahim Rahimi
- Department of Food Hygiene and Public Health, Faculty of Veterinary Medicine, Shahrekord Branch Islamic Azad University Shahrekord Iran
| | - Faham Khamesipour
- Faculty of Veterinary Medicine, Shahrekord Branch Islamic Azad University Shahrekord Iran
- Research Center for Hydatid Disease in Iran Kerman University of Medical Sciences Kerman Iran
| | - Seyed Majid Hashemi Dehkordi
- Department of Food Hygiene and Public Health, Faculty of Veterinary Medicine, Shahrekord Branch Islamic Azad University Shahrekord Iran
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Venancio AN, Araujo OP, Júlio AA, Souza GR, Pereira VM, Teixeira IC, Santos MFC, Parreira LA, Menini L. Chemodiversity essential oil from three species of Croton (Euphorbiaceae) and assessment of antimicrobial potential. Nat Prod Res 2024:1-7. [PMID: 38506661 DOI: 10.1080/14786419.2024.2331025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 03/03/2024] [Indexed: 03/21/2024]
Abstract
The Croton genus is known for its various biological properties, which inspired this study to investigate the anti-bacterial pro-perties and chemodiversity of the essential oils of three Croton species: Croton blanchetianus, Croton jacobinensis, and Croton nepetifolius. The essential oils were characterised by gas chromatography (GC-MS) and demonstrated anti-bacterial activity against Staphylococcus aureus and Escherichia coli using the disc diffusion method. The essential oil composition of C. blanchetianus showed bicyclogermacrene (16.04%) and spathulenol (16.44%) as the main compounds. In C. jacobinensis, bicyclogermacrene (22.04%), caryophyllene (17.95%), and β-phellandrene (12.30%) were the most prevalent. Meanwhile, C. nepetifolius's essential oil consisted mainly of bicyclogermacrene (17.69%), caryophyllene (15.15%), and germacrene D (11.78%). The principal component analysis (PCA) results showed three distinct chemotypes for each Croton species, suggesting that they have well-defined and unique chemical profiles. Interestingly, the three Croton species demonstrated activity only against Staphylococcus aureus bacteria.
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Affiliation(s)
- Aldino N Venancio
- Universidade Federal de Viçosa/Av. Peter Henry Rolfs, s/n - Campus Universitário, Viçosa
| | - Otávio P Araujo
- Instituto Federal do Espírito Santo/Campus de Alegre, Distrito de Rive, Alegre
| | - Armanda A Júlio
- Instituto Federal do Espírito Santo/Campus de Alegre, Distrito de Rive, Alegre
| | - Gustavo R Souza
- Universidade Federal do Espírito Santo/Departamento de Química e Física, Alto Universitário s/n, Bairro Guararema, CEP, Alegre, Brasil
| | - Viviane M Pereira
- Instituto Federal do Espírito Santo/Campus de Alegre, Distrito de Rive, Alegre
| | - Isabella C Teixeira
- Instituto Federal do Espírito Santo/Campus de Alegre, Distrito de Rive, Alegre
| | - Mario F Conceição Santos
- Universidade Federal do Espírito Santo/Departamento de Química e Física, Alto Universitário s/n, Bairro Guararema, CEP, Alegre, Brasil
| | - Luciana A Parreira
- Universidade Federal do Espírito Santo/Departamento de Química e Física, Alto Universitário s/n, Bairro Guararema, CEP, Alegre, Brasil
| | - Luciano Menini
- Instituto Federal do Espírito Santo/Campus de Alegre, Distrito de Rive, Alegre
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Vidaković Knežević S, Knežević S, Vranešević J, Milanov D, Ružić Z, Karabasil N, Kocić-Tanackov S. Using Essential Oils to Reduce Yersinia enterocolitica in Minced Meat and in Biofilms. Foods 2024; 13:806. [PMID: 38472919 DOI: 10.3390/foods13050806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 03/03/2024] [Accepted: 03/04/2024] [Indexed: 03/14/2024] Open
Abstract
Yersiniosis, one of the leading foodborne infections in the European Union, is caused by Yersinia enterocolitica. In this study, the antibacterial and antibiofilm effects of cinnamon (Cinnamomum zeylanicum Nees), clove (Syzygium aromaticum L.), oregano (Origanum vulgare L.), rosemary (Rosmarinus officinalis L.), thyme (Thymus vulgaris L.), and winter savory (Satureja montana L.) essential oils were investigated against Y. enterocolitica strains belonging to the bioserotype 4/O:3. Cinnamon essential oil showed the highest antibacterial activity, with an MIC value 0.09 µL/mL, followed by oregano and thyme essential oils, with MIC values from 0.09 to 0.18 µL/mL, and from 0.18 to 0.23 µL/mL, respectively. Thyme essential oil at 0.23 µL/g (MIC) and at 0.46 µL/g (2MIC) significantly (p < 0.05) reduced the number of Y. enterocolitica by 0.38 log CFU/g and 0.64 log CFU/g, respectively, in minced pork meat during storage at 4 °C for 4 days. The Y. enterocolitica strains formed biofilms at 15 °C and 37 °C in tryptic soy broth and Luria-Bertani broth, while no biofilms were obtained at 5 °C, and in meat broth nutrient media. Applying the minimum bactericidal concentrations of cinnamon, clove, oregano, rosemary, thyme, and winter savory essential oils on preformed biofilms led to significant reductions being observed in the range from 45.34% to 78.89%. A scanning electron microscopy assay showed the devastating impact of oregano and thyme essential oils on the morphology of Y. enterocolitica bacterial cells. In conclusion, the results of this study show that essential oils possess high anti-Yersinia and antibiofilm effects.
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Affiliation(s)
| | | | | | - Dubravka Milanov
- Scientific Veterinary Institute "Novi Sad", 21000 Novi Sad, Serbia
| | - Zoran Ružić
- Department of Veterinary Medicine, Faculty of Agriculture, University of Novi Sad, 21000 Novi Sad, Serbia
| | - Nedjeljko Karabasil
- Faculty of Veterinary Medicine, University of Belgrade, 11000 Belgrade, Serbia
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30
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Grandmont A, Rhouma M, Létourneau-Montminy MP, Thériault W, Mainville I, Arcand Y, Leduc R, Demers B, Thibodeau A. Characterization of the Effects of a Novel Probiotic on Salmonella Colonization of a Piglet-Derived Intestinal Microbiota Using Improved Bioreactor. Animals (Basel) 2024; 14:787. [PMID: 38473172 DOI: 10.3390/ani14050787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Revised: 02/20/2024] [Accepted: 02/26/2024] [Indexed: 03/14/2024] Open
Abstract
The carriage of Salmonella in pigs is a major concern for the agri-food industry and for global healthcare systems. Humans could develop salmonellosis when consuming contaminated pig products. On the other hand, some Salmonella serotypes could cause disease in swine, leading to economic losses on farms. The purpose of the present study was to characterize the anti-Salmonella activity of a novel Bacillus-based probiotic using a bioreactor containing a piglet-derived intestinal microbiota. Two methods of probiotic administration were tested: a single daily and a continuous dose. Salmonella enumeration was performed using selective agar at T24h, T48h, T72h, T96h and T120h. The DNA was extracted from bioreactor samples to perform microbiome profiling by targeted 16S rRNA gene sequencing on Illumina Miseq. The quantification of short-chain fatty acids (SCFAs) was also assessed at T120h. The probiotic decreased Salmonella counts at T96 for the daily dose and at T120 for the continuous one. Both probiotic doses affected the alpha and beta diversity of the piglet-derived microbiota (p < 0.05). A decrease in acetate concentration and an increase in propionate proportion were observed in the continuous condition. In conclusion, the tested Bacillus-based product showed a potential to modulate microbiota and reduce Salmonella colonization in a piglet-derived intestinal microbiota and could therefore be used in vivo.
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Affiliation(s)
- Amely Grandmont
- Chaire de Recherche en Salubrité des Viandes, Département de Microbiologie et Pathologie, Faculté de Médecine Vétérinaire, Université de Montréal, Montreal, QC J2S 2M2, Canada
- Groupe de Recherche et d'Enseignement en Salubrité Alimentaire, Faculté de Médecine Vétérinaire, Université de Montréal, Montreal, QC J2S 2M2, Canada
- Centre de Recherche en Infectiologie Porcine et Avicole, Faculté de Médecine Vétérinaire, Université de Montréal, Montreal, QC J2S 2M2, Canada
| | - Mohamed Rhouma
- Chaire de Recherche en Salubrité des Viandes, Département de Microbiologie et Pathologie, Faculté de Médecine Vétérinaire, Université de Montréal, Montreal, QC J2S 2M2, Canada
- Groupe de Recherche et d'Enseignement en Salubrité Alimentaire, Faculté de Médecine Vétérinaire, Université de Montréal, Montreal, QC J2S 2M2, Canada
- Centre de Recherche en Infectiologie Porcine et Avicole, Faculté de Médecine Vétérinaire, Université de Montréal, Montreal, QC J2S 2M2, Canada
| | - Marie-Pierre Létourneau-Montminy
- Centre de Recherche en Infectiologie Porcine et Avicole, Faculté de Médecine Vétérinaire, Université de Montréal, Montreal, QC J2S 2M2, Canada
- Chaire de Recherche sur les Stratégies Alternatives d'Alimentation des Porcs et des Volailles: Approche Systémique pour un Développement Durable, Faculté des Sciences de l'Agriculture et de l'Alimentation, Université Laval, Quebec, QC G1V 0A6, Canada
| | - William Thériault
- Chaire de Recherche en Salubrité des Viandes, Département de Microbiologie et Pathologie, Faculté de Médecine Vétérinaire, Université de Montréal, Montreal, QC J2S 2M2, Canada
- Groupe de Recherche et d'Enseignement en Salubrité Alimentaire, Faculté de Médecine Vétérinaire, Université de Montréal, Montreal, QC J2S 2M2, Canada
- Centre de Recherche en Infectiologie Porcine et Avicole, Faculté de Médecine Vétérinaire, Université de Montréal, Montreal, QC J2S 2M2, Canada
| | | | - Yves Arcand
- Agriculture et Agroalimentaire Canada, St-Hyacinthe, QC J2S 8E3, Canada
| | - Roland Leduc
- NUVAC Éco-Sciences, Valcourt, QC J0E 2L0, Canada
| | - Bruno Demers
- NUVAC Éco-Sciences, Valcourt, QC J0E 2L0, Canada
| | - Alexandre Thibodeau
- Chaire de Recherche en Salubrité des Viandes, Département de Microbiologie et Pathologie, Faculté de Médecine Vétérinaire, Université de Montréal, Montreal, QC J2S 2M2, Canada
- Groupe de Recherche et d'Enseignement en Salubrité Alimentaire, Faculté de Médecine Vétérinaire, Université de Montréal, Montreal, QC J2S 2M2, Canada
- Centre de Recherche en Infectiologie Porcine et Avicole, Faculté de Médecine Vétérinaire, Université de Montréal, Montreal, QC J2S 2M2, Canada
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Zhao BC, Wang TH, Chen J, Qiu BH, Xu YR, Li JL. Essential oils improve nursery pigs' performance and appetite via modulation of intestinal health and microbiota. ANIMAL NUTRITION (ZHONGGUO XU MU SHOU YI XUE HUI) 2024; 16:174-188. [PMID: 38357573 PMCID: PMC10864218 DOI: 10.1016/j.aninu.2023.10.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 07/22/2023] [Accepted: 10/12/2023] [Indexed: 02/16/2024]
Abstract
Optimal intestinal health and functionality are essential for animal health and performance, and simultaneously intestinal nutrient transporters and intestinal peptides are also involved in appetite and feed intake control mechanisms. Given the potential of essential oil (EO) in improving animal performance and improving feed palatability, we hypothesized that dietary supplementation of cinnamaldehyde and carvacrol could improve performance and appetite of nursery pigs by modulating intestinal health and microbiota. Cinnamaldehyde (100 mg/kg), carvacrol (100 mg/kg), and their mixtures (including 50 mg/kg cinnamaldehyde and 50 mg/kg carvacrol) were supplemented into the diets of 240 nursery pigs for 42 d, and data related to performance were measured. Thereafter, the influence of EO on intestinal health, appetite and gut microbiota and their correlations were explored. EO supplementation increased (P < 0.05) the body weight, average daily gain (ADG) and average daily feed intake (ADFI) of piglets, and reduced (P < 0.05) diarrhea rates in nursery pigs. Furthermore, EO increased (P < 0.05) the intestinal absorption area and the abundance of tight junction proteins, and decreased (P < 0.05) intestinal permeability and local inflammation. In terms of intestinal development and the mucus barrier, EO promoted intestinal development and increased (P < 0.05) the number of goblet cells. Additionally, we found that piglets in the EO-supplemented group had upregulated (P < 0.05) levels of transporters and digestive enzymes in the intestine, which were significantly associated with daily gain and feed utilization. In addition, EO supplementation somewhat improved appetite in nursery pigs, increased the diversity of the gut microbiome and the abundance of beneficial bacteria, and there was a correlation between altered bacterial structure and appetite-related hormones. These findings indicate that EO is effective in promoting growth performance and nutrient absorption as well as in regulating appetite by improving intestinal health and bacterial structure.
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Affiliation(s)
- Bi-Chen Zhao
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China
| | - Tian-Hao Wang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China
| | - Jian Chen
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China
| | - Bai-Hao Qiu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China
| | - Ya-Ru Xu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China
| | - Jin-Long Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China
- Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, Northeast Agricultural University, Harbin, 150030, China
- Key Laboratory of the Provincial Education Department of Heilongjiang for Common Animal Disease Prevention and Treatment, Northeast Agricultural University, Harbin, 150030, China
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32
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Saifi S, Ashraf A, Hasan GM, Shamsi A, Hassan MI. Insights into the preventive actions of natural compounds against Klebsiella pneumoniae infections and drug resistance. Fitoterapia 2024; 173:105811. [PMID: 38168570 DOI: 10.1016/j.fitote.2023.105811] [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: 09/29/2023] [Revised: 12/27/2023] [Accepted: 12/29/2023] [Indexed: 01/05/2024]
Abstract
Klebsiella pneumoniae is a type of Gram-negative bacteria that causes a variety of infections, including pneumonia, bloodstream infections, wound infections, and meningitis. The treatment of K. pneumoniae infection depends on the type of infection and the severity of the symptoms. Antibiotics are generally used to treat K. pneumoniae infections. However, some strains of K. pneumoniae have become resistant to antibiotics. This comprehensive review examines the potential of natural compounds as effective strategies against K. pneumonia infections. The alarming rise in antibiotic resistance underscores the urgent need for alternative therapies. This article represents current research on the effects of diverse natural compounds, highlighting their anti-microbial and antibiofilm properties against K. pneumonia. Notably, compounds such as andrographolide, artemisinin, baicalin, berberine, curcumin, epigallocatechin gallate, eugenol, mangiferin, piperine, quercetin, resveratrol, and thymol have been extensively investigated. These compounds exhibit multifaceted mechanisms, including disruption of bacterial biofilms, interference with virulence factors, and augmentation of antibiotic effectiveness. Mechanistic insights into their actions include membrane perturbation, oxidative stress induction, and altered gene expression. While promising, challenges such as limited bioavailability and varied efficacy across bacterial strains are addressed. This review further discusses the potential of natural compounds as better alternatives in combating K. pneumonia infection and emphasizes the need for continued research to harness their full therapeutic potential. As antibiotic resistance persists, these natural compounds offer a promising avenue in the fight against K. pneumonia and other multidrug-resistant pathogens.
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Affiliation(s)
- Sana Saifi
- Department of Biochemistry, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi 110062, India
| | - Anam Ashraf
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, New Delhi 110025, India
| | - Gulam Mustafa Hasan
- Department of Biochemistry, College of Medicine, Prince Sattam Bin Abdulaziz University, P.O. Box 173, Al-Kharj 11942, Saudi Arabia
| | - Anas Shamsi
- Center for Medical and Bio-Allied Health Sciences Research, Ajman University, United Arab Emirates
| | - Md Imtaiyaz Hassan
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, New Delhi 110025, India.
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Grigore-Gurgu L, Bucur FI, Mihalache OA, Nicolau AI. Comprehensive Review on the Biocontrol of Listeria monocytogenes in Food Products. Foods 2024; 13:734. [PMID: 38472848 DOI: 10.3390/foods13050734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 02/21/2024] [Accepted: 02/25/2024] [Indexed: 03/14/2024] Open
Abstract
Listeria monocytogenes is a foodborne pathogen that causes listeriosis, a group of human illnesses that appear more frequently in countries with better-developed food supply systems. This review discusses the efficacy of actual biocontrol methods combined with the main types of food involved in illnesses. Comments on bacteriophages, lactic acid bacteria, bacteriocins, essential oils, and endolysins and derivatives, as main biological antilisterial agents, are made bearing in mind that, using them, food processors can intervene to protect consumers. Both commercially available antilisterial products and solutions presented in scientific papers for mitigating the risk of contamination are emphasized. Potential combinations between different types of antilisterial agents are highlighted for their synergic effects (bacteriocins and essential oils, phages and bacteriocins, lactic acid bacteria with natural or synthetic preservatives, etc.). The possibility to use various antilisterial biological agents in active packaging is also presented to reveal the diversity of means that food processors may adopt to assure the safety of their products. Integrating biocontrol solutions into food processing practices can proactively prevent outbreaks and reduce the occurrences of L. monocytogenes-related illnesses.
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Affiliation(s)
- Leontina Grigore-Gurgu
- Faculty of Food Science and Engineering, Dunarea de Jos University of Galati, 47 Domneasca Street, 800008 Galati, Romania
| | - Florentina Ionela Bucur
- Faculty of Food Science and Engineering, Dunarea de Jos University of Galati, 47 Domneasca Street, 800008 Galati, Romania
| | - Octavian Augustin Mihalache
- Faculty of Food Science and Engineering, Dunarea de Jos University of Galati, 47 Domneasca Street, 800008 Galati, Romania
- Department of Food and Drug, University of Parma, Parco Area delle Scienze 17/A, 43124 Parma, Italy
| | - Anca Ioana Nicolau
- Faculty of Food Science and Engineering, Dunarea de Jos University of Galati, 47 Domneasca Street, 800008 Galati, Romania
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Dahiya A, Chaudhari VS, Kushram P, Bose S. 3D Printed SiO 2-Tricalcium Phosphate Scaffolds Loaded with Carvacrol Nanoparticles for Bone Tissue Engineering Application. J Med Chem 2024; 67:2745-2757. [PMID: 38146876 PMCID: PMC11164277 DOI: 10.1021/acs.jmedchem.3c01884] [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] [Indexed: 12/27/2023]
Abstract
Bone damage resulting from trauma or aging poses challenges in clinical settings that need to be addressed using bone tissue engineering (BTE). Carvacrol (CA) possesses anti-inflammatory, anticancer, and antibacterial properties. Limited solubility and physicochemical stability restrict its biological activity, requiring a stable carrier system for delivery. Here, we investigate the utilization of a three-dimensional printed (3DP) SiO2-doped tricalcium phosphate (TCP) scaffold functionalized with carvacrol-loaded lipid nanoparticles (CA-LNPs) to improve bone health. It exhibits a negative surface charge with an entrapment efficiency of ∼97% and size ∼129 nm with polydispersity index (PDI) and zeta potential values of 0.18 and -16 mV, respectively. CA-LNPs exhibit higher and long-term release over 35 days. The CA-LNP loaded SiO2-doped TCP scaffold demonstrates improved antibacterial properties against Staphylococcus aureus and Pseudomonas aeruginosa by >90% reduction in bacterial growth. Functionalized scaffolds result in 3-fold decrease and 2-fold increase in osteosarcoma and osteoblast cell viability, respectively. These findings highlight the therapeutic potential of the CA-LNP loaded SiO2-doped TCP scaffold for bone defect treatment.
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Affiliation(s)
- Aditi Dahiya
- Department of Chemistry, Washington State University, Pullman, Washington 99164, United States
- W. M. Keck Biomedical Materials Research Laboratory, School of Mechanical and Materials Engineering, Washington State University, Pullman, Washington 99164, United States
| | - Vishal Sharad Chaudhari
- W. M. Keck Biomedical Materials Research Laboratory, School of Mechanical and Materials Engineering, Washington State University, Pullman, Washington 99164, United States
| | - Priya Kushram
- W. M. Keck Biomedical Materials Research Laboratory, School of Mechanical and Materials Engineering, Washington State University, Pullman, Washington 99164, United States
| | - Susmita Bose
- Department of Chemistry, Washington State University, Pullman, Washington 99164, United States
- W. M. Keck Biomedical Materials Research Laboratory, School of Mechanical and Materials Engineering, Washington State University, Pullman, Washington 99164, United States
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Fajdek-Bieda A, Pawlińska J, Wróblewska A, Łuś A. Evaluation of the Antimicrobial Activity of Geraniol and Selected Geraniol Transformation Products against Gram-Positive Bacteria. Molecules 2024; 29:950. [PMID: 38474462 DOI: 10.3390/molecules29050950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 02/19/2024] [Accepted: 02/20/2024] [Indexed: 03/14/2024] Open
Abstract
Both geraniol and the products of its transformation, thanks to their beneficial properties, find a variety of applications in cosmetics. Due to their antioxidant and moisturizing properties, these compounds can be added to skin care products such as face creams, lotions, oils, and masks. In addition, these compounds show some antibacterial and antifungal properties, making them suitable for application in skin care products to help fight against bacteria or fungi. This study determined the antimicrobial activity of geraniol and the compounds which were formed during its transformation in relation to selected Gram-positive bacteria, and the preliminary assessment was made whether these compounds can act as ingredients of preparations with potential antimicrobial activity in the treatment of various human diseases (for example diseases of the skin, digestive system, or urinary tract). In addition, this work presents studies on the microbiological purity of cream samples obtained with different contents of geraniol and its transformation products (contents of the tested compounds: 0.5%, 1.5%, 2.5%, 4%, 8%, and 12%). Antibacterial activity tests were performed using the disc diffusion method against Gram-positive cocci, including the reference strains Staphylococcus aureus ATCC 29213 and Enterococcus faecalis ATCC 29212, and against the clinical strains Staphylococcus aureus MRSA, Staphylococcus epidermidis, Enterococcus faecalis VRE VanB, Enterococcus faecium VRE VanA, and Enterococcus faecium VRE VanB. The most active ingredient against bacteria of the Staphylococcus genus was citral, followed by linalool and then geraniol. During our tests, in the case of bacteria of the Enterococcus genus, citral also showed the highest activity, but linalool, ocimenes, and geraniol showed a slightly lower activity. Moreover, this study examined the microbiological purity of cream samples obtained with various contents of geraniol and its transformation products. In the tests of the microbiological purity of cream samples, no growth of aerobic bacteria and fungi was found, which proves the lack of microbiological contamination of the obtained cosmetic preparations. On this basis, it was assessed that these compounds have preservative properties in the prepared creams. The addition of the analyzed compounds also had influence on the durability of the creams and had no effect on the change in their consistency, did not negatively affect the separation of phases during storage, and even had a positive effect on organoleptic sensations by enriching the smell of the tested samples.
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Affiliation(s)
- Anna Fajdek-Bieda
- Department of Energy and Technical Safety, Faculty of Technology, Jakub's from Paradyż Academy in Gorzów Wielkopolski, Teatralna 25, 66-400 Gorzów Wielkopolski, Poland
| | - Joanna Pawlińska
- Multispecialty Regional Hospital in Gorzow Wielkopolski, Department of Microbiology, 66-400 Gorzów Wielkopolski, Poland
| | - Agnieszka Wróblewska
- Department of Catalytic and Sorbent Materials Engineering, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology in Szczecin, Piastów Ave. 42, 71-065 Szczecin, Poland
| | - Agnieszka Łuś
- Multispecialty Regional Hospital in Gorzow Wielkopolski, Department of Microbiology, 66-400 Gorzów Wielkopolski, Poland
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Song X. Antibacterial, Antifungal, and Antiviral Bioactive Compounds from Natural Products. Molecules 2024; 29:825. [PMID: 38398577 PMCID: PMC10892233 DOI: 10.3390/molecules29040825] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Accepted: 02/02/2024] [Indexed: 02/25/2024] Open
Abstract
In the relentless pursuit of innovative therapeutic agents, natural products have emerged as a transformative avenue in the battle against infectious diseases [...].
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Affiliation(s)
- Xun Song
- College of Pharmacy, Shenzhen Technology University, Shenzhen 518118, China
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Jamir Y, Bhushan M, Sanjukta R, Robindro Singh L. Plant-based essential oil encapsulated in nanoemulsions and their enhanced therapeutic applications: An overview. Biotechnol Bioeng 2024; 121:415-433. [PMID: 37941510 DOI: 10.1002/bit.28590] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Revised: 09/22/2023] [Accepted: 10/28/2023] [Indexed: 11/10/2023]
Abstract
In recent years, studies on the formulation of nanoemulsions have been the focus of attention due to their potential applicability in food, pharmaceuticals, cosmetics, and agricultural industries. Nanoemulsions can be formulated using ingredients approved by the Food and Drug Administration (FDA), which assures their safety profiles to a great extent. Bioactive compounds such as essential oils although have strong biological properties and antimicrobial compounds, their usage is restricted due to their high volatility, instability, and hydrophobic nature. Therefore, nanoemulsion as carrier vehicle can be used to encapsulate essential oils to obtain stable and enhanced physicochemical characteristics of the essential oils. This review details the structure, formulation, and characterization techniques used for nanoemulsions, with a focus on the essential oil-based nanoemulsions which have the potential to be used as antimicrobial and anticancer therapeutics.
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Affiliation(s)
- Yangerdenla Jamir
- Department of Nanotechnology, North Eastern Hill University, Shillong, Meghalaya, India
- Division of Animal and Fisheries Sciences, ICAR-RC for NEH Region, Umiam, Meghalaya, India
| | - Mayank Bhushan
- Department of Nanotechnology, North Eastern Hill University, Shillong, Meghalaya, India
| | - Rajkumari Sanjukta
- Division of Animal and Fisheries Sciences, ICAR-RC for NEH Region, Umiam, Meghalaya, India
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Selles SMA, Belhamiti BT, Kouidri M, Ait Amrane A, Kadari Y, Kaddour Z, Kabrit S. Chemical compounds, antioxidant and scolicidal potencies of Thymus fontanesii essential oil. Exp Parasitol 2024; 257:108699. [PMID: 38199324 DOI: 10.1016/j.exppara.2024.108699] [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: 10/23/2023] [Revised: 12/07/2023] [Accepted: 01/04/2024] [Indexed: 01/12/2024]
Abstract
Medicinal plants have become a source of new drugs to treat various diseases due to their low cost, few side effects, and wide accessibility. Among these, essential oils are promising natural compounds for use in scolicidal activity. The targets of our current work were to assess the chemical composition, antioxidant and protoscolicidal activities of Thymus fontanesii essential oil. The essential oil was extracted by hydrodistillation, and chemical compounds were quantified by GC-MS/GC-FID. The in vitro antioxidant activity was determined by DPPH radical scavenging assay and ferric reducing power. Three concentrations of essential oil (4.625, 9.25, and 13.875 mg/ml) were tested for 5, 10, and 15 min against E. granulosus protoscoleces and their viability was assessed by eosin staining essay. The yield of the essential oil was 2.06 ± 0.41 % (w/w). Carvacrol (59.68 %) was the main compound of Thymus fontanesii essential oils. Moreover, Thymus fontanesii essential oil has an antioxidant activity IC50 of 346.08 μg/ml and EC50 of 869.82 μg/ml. Furthermore, 100 % mortality of protoscoleces was observed at the doses of 9.25 mg/ml and 13.875 mg/ml after 5 min of exposure. Our findings show a potency of antioxidant and protoscolicidal activities against protoscoleces of E. granulosus.
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Affiliation(s)
- Sidi Mohammed Ammar Selles
- Veterinary Sciences Institute, University of Tiaret, 14000, Tiaret, Algeria; Laboratory of Research on Local Animal Products, Veterinary Sciences Institute, University of Tiaret, 14000, Tiaret, Algeria.
| | - Belkacem Tahar Belhamiti
- Veterinary Sciences Institute, University of Tiaret, 14000, Tiaret, Algeria; Laboratory of Research on Local Animal Products, Veterinary Sciences Institute, University of Tiaret, 14000, Tiaret, Algeria
| | - Mokhtaria Kouidri
- Veterinary Sciences Institute, University of Tiaret, 14000, Tiaret, Algeria; Laboratory of Farm Animal Products, Veterinary Sciences Institute, University of Tiaret, 14000, Tiaret, Algeria
| | - Amar Ait Amrane
- Veterinary Sciences Institute, University of Tiaret, 14000, Tiaret, Algeria; Laboratory of Research on Local Animal Products, Veterinary Sciences Institute, University of Tiaret, 14000, Tiaret, Algeria
| | - Yamina Kadari
- Veterinary Sciences Institute, University of Tiaret, 14000, Tiaret, Algeria; Laboratory of Farm Animal Products, Veterinary Sciences Institute, University of Tiaret, 14000, Tiaret, Algeria
| | - Zohra Kaddour
- Faculty of Life and Nature Sciences, Department of Biology, University of Tiaret, Tiaret, 14000, Algeria
| | - Souad Kabrit
- Faculty of Life and Nature Sciences, Department of Biology, University of Tiaret, Tiaret, 14000, Algeria
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Oliveira KC, Franciscato LMSS, Mendes SS, Barizon FMA, Gonçalves DD, Barbosa LN, Faria MGI, Valle JS, Casalvara RFA, Gonçalves JE, Gazim ZC, Ruiz SP. Essential Oil from the Leaves, Fruits and Twigs of Schinus terebinthifolius: Chemical Composition, Antioxidant and Antibacterial Potential. Molecules 2024; 29:469. [PMID: 38257382 PMCID: PMC10819699 DOI: 10.3390/molecules29020469] [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: 12/21/2023] [Revised: 01/07/2024] [Accepted: 01/08/2024] [Indexed: 01/24/2024] Open
Abstract
Schinus terebinthifolius Raddi, popularly known as "Pink pepper", is a plant native to Brazil. The objective of this work was to analyze the chemical composition and the antioxidant and antibacterial potential of essential oils (EOs) from the leaves, fruits and twigs of S. terebinthifolius, aiming for their application in food safety. EOs were obtained by hydrodistillation and the chemical composition was determined by gas chromatography coupled to mass spectrometry. Phenolic compounds were quantified and antioxidant activity was evaluated using three different methods. The antibacterial activity was determined by the broth microdilution method against foodborne bacteria. In the chemical analysis, 22 compounds were identified in the leaves, 13 compounds in the fruits and 37 compounds in the twigs, revealing the presence of the main compounds germacrene D (12.04%, 15.78%, 20,41%), caryophyllene (15.97%, 3.12%, 11.73%), α-pinene (11.6%, 17.16%, 2.99%), β-pinene (5.68%, 43.34%, 5.60%) and γ-gurjunene (16,85%, 3,15%) respectively. EOs showed better antioxidant potential using the β-carotene/linoleic acid method with 40.74, 61.52 and 63.65% oxidation inhibition for leaves, fruits and twigs, respectively. The EO from the leaves showed greater antibacterial potential against Escherichia coli and Staphylococcus aureus with a minimum inhibitory concentration (MIC) of 0.62 mg mL-1, a value lower than the MIC of sodium nitrite (5.00 mg mL-1), the antimicrobial standard synthetic. The activities of pink pepper EOs suggest their potential as a biopreservative in foods.
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Affiliation(s)
- Kátia C. Oliveira
- Graduate Program in Biotechnology Applied to Agriculture, Universidade Paranaense (UNIPAR), Umuarama 87502-210, PR, Brazil; (K.C.O.); (L.M.S.S.F.); (S.S.M.); (M.G.I.F.); (J.S.V.); (Z.C.G.)
| | - Lidaiane M. S. S. Franciscato
- Graduate Program in Biotechnology Applied to Agriculture, Universidade Paranaense (UNIPAR), Umuarama 87502-210, PR, Brazil; (K.C.O.); (L.M.S.S.F.); (S.S.M.); (M.G.I.F.); (J.S.V.); (Z.C.G.)
| | - Suelen S. Mendes
- Graduate Program in Biotechnology Applied to Agriculture, Universidade Paranaense (UNIPAR), Umuarama 87502-210, PR, Brazil; (K.C.O.); (L.M.S.S.F.); (S.S.M.); (M.G.I.F.); (J.S.V.); (Z.C.G.)
| | - Francielly M. A. Barizon
- Graduate Program in Animal Science with Emphasis on Bioactive Products, Universidade Paranaense (UNIPAR), Umuarama 87502-210, PR, Brazil; (F.M.A.B.); (D.D.G.); (L.N.B.)
| | - Daniela D. Gonçalves
- Graduate Program in Animal Science with Emphasis on Bioactive Products, Universidade Paranaense (UNIPAR), Umuarama 87502-210, PR, Brazil; (F.M.A.B.); (D.D.G.); (L.N.B.)
- Graduate Program in Medicinal Plants and Herbal Medicines in Basic Health Care, Universidade Paranaense (UNIPAR), Umuarama 87502-210, PR, Brazil
| | - Lidiane N. Barbosa
- Graduate Program in Animal Science with Emphasis on Bioactive Products, Universidade Paranaense (UNIPAR), Umuarama 87502-210, PR, Brazil; (F.M.A.B.); (D.D.G.); (L.N.B.)
- Graduate Program in Medicinal Plants and Herbal Medicines in Basic Health Care, Universidade Paranaense (UNIPAR), Umuarama 87502-210, PR, Brazil
| | - Maria G. I. Faria
- Graduate Program in Biotechnology Applied to Agriculture, Universidade Paranaense (UNIPAR), Umuarama 87502-210, PR, Brazil; (K.C.O.); (L.M.S.S.F.); (S.S.M.); (M.G.I.F.); (J.S.V.); (Z.C.G.)
| | - Juliana S. Valle
- Graduate Program in Biotechnology Applied to Agriculture, Universidade Paranaense (UNIPAR), Umuarama 87502-210, PR, Brazil; (K.C.O.); (L.M.S.S.F.); (S.S.M.); (M.G.I.F.); (J.S.V.); (Z.C.G.)
- Graduate Program in Animal Science with Emphasis on Bioactive Products, Universidade Paranaense (UNIPAR), Umuarama 87502-210, PR, Brazil; (F.M.A.B.); (D.D.G.); (L.N.B.)
| | - Rhaira F. A. Casalvara
- Graduate Program in Clean Technologies, Cesumar Institute of Science, Technology and Innovation, Cesumar University (UniCesumar), Maringá 87050-390, PR, Brazil; (R.F.A.C.); (J.E.G.)
| | - José E. Gonçalves
- Graduate Program in Clean Technologies, Cesumar Institute of Science, Technology and Innovation, Cesumar University (UniCesumar), Maringá 87050-390, PR, Brazil; (R.F.A.C.); (J.E.G.)
| | - Zilda C. Gazim
- Graduate Program in Biotechnology Applied to Agriculture, Universidade Paranaense (UNIPAR), Umuarama 87502-210, PR, Brazil; (K.C.O.); (L.M.S.S.F.); (S.S.M.); (M.G.I.F.); (J.S.V.); (Z.C.G.)
- Graduate Program in Animal Science with Emphasis on Bioactive Products, Universidade Paranaense (UNIPAR), Umuarama 87502-210, PR, Brazil; (F.M.A.B.); (D.D.G.); (L.N.B.)
| | - Suelen P. Ruiz
- Graduate Program in Biotechnology Applied to Agriculture, Universidade Paranaense (UNIPAR), Umuarama 87502-210, PR, Brazil; (K.C.O.); (L.M.S.S.F.); (S.S.M.); (M.G.I.F.); (J.S.V.); (Z.C.G.)
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Scotti R, Casciaro B, Stringaro A, Maggi F, Colone M, Gabbianelli R. Fighting Microbial Infections from Escherichia coli O157:H7: The Combined Use of Three Essential Oils of the Cymbopogon Genus and a Derivative of Esculentin-1a Peptide. Antibiotics (Basel) 2024; 13:86. [PMID: 38247645 PMCID: PMC10812396 DOI: 10.3390/antibiotics13010086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 01/08/2024] [Accepted: 01/10/2024] [Indexed: 01/23/2024] Open
Abstract
The absence of effective therapy against Escherichia coli O157:H7 infections has led to the need to develop new antimicrobial agents. As the use of synergistic combinations of natural antimicrobial compounds is growing as a new weapon in the fight against multidrug-resistant bacteria, here, we have tested new synergistic combinations of natural agents. Notably, we investigated a possible synergistic effect of combinations of essential oils and natural peptides to counteract the formation of biofilm. We chose three essential oils (i.e., Cymbopogon citratus, C. flexuosus and C. martinii) and one peptide already studied in our previous works. We determined the fractional inhibitory concentration (FIC) by analyzing the combination of the peptide derived from esculentin-1a, Esc(1-21), with the three essential oils. We also studied the effects of combinations by time-kill curves, scanning electron microscopy on biofilm and Sytox Green on cell membrane permeability. Finally, we analyzed the expression of different genes implicated in motility, biofilm formation and stress responses. The results showed a different pattern of gene expression in bacteria treated with the mixtures compared to those treated with the peptide or the single C. citratus essential oil. In conclusion, we demonstrated that the three essential oils used in combination with the peptide showed synergy against the E. coli O157:H7, proving attractive as an alternative strategy against E. coli pathogen infections.
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Affiliation(s)
- Raffaella Scotti
- Biological Service, Italian National Institute of Health, 00161 Rome, Italy;
| | - Bruno Casciaro
- Laboratory Affiliated to Istituto Pasteur Italia-Fondazione Cenci Bolognetti, Department of Biochemical Sciences, Sapienza University of Rome, 00185 Rome, Italy;
| | - Annarita Stringaro
- National Center for Drug Research and Evaluation, Italian National Institute of Health, 00161 Rome, Italy; (A.S.); (M.C.)
| | - Filippo Maggi
- Chemistry Interdisciplinary Project (ChIP) Research Center, School of Pharmacy, University of Camerino, 62032 Camerino, Italy;
| | - Marisa Colone
- National Center for Drug Research and Evaluation, Italian National Institute of Health, 00161 Rome, Italy; (A.S.); (M.C.)
| | - Roberta Gabbianelli
- Biological Service, Italian National Institute of Health, 00161 Rome, Italy;
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Semerdjieva I, Cantrell CL, Zheljazkov VD, Radoukova T, Koleva-Valkova LH, Astatkie T, Kačániová M, Borisova D. Chemical profile, antioxidant and antimicrobial activity of Pinus heldreichii Christ. Distributed in Bulgaria. Heliyon 2024; 10:e22967. [PMID: 38187304 PMCID: PMC10770424 DOI: 10.1016/j.heliyon.2023.e22967] [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: 06/04/2023] [Revised: 11/09/2023] [Accepted: 11/22/2023] [Indexed: 01/09/2024] Open
Abstract
Pinus heldreichii Christ. (Bosnian pine), a Tertiary relict and Balkan sub-endemic, has not been comprehensively studied for its essential oil (EO) profile and bioactivity of its different plant parts. This study aimed to determine the EO yield, composition and antimicrobial activity from different parts of P. heldreichii at three different populations (mountains) in Bulgaria. Furthermore, the study assessed the antioxidant activities of plant tissue, including leaves (needles), twigs wood, male and female cones. The EOs yield from different plant parts ranged from 0.09 % (leaves) to 0.74 % (wood of twigs), with monoterpenes being the predominant class. Limonene, α-pinene, β-caryophyllene, germacrene D, β-pinene, and β-myrcene were detected in the EO extracted from all analyzed trees. However, these compounds were not found in the EO extracted from all plant parts of the same trees. Four chemical groups (chemotypes) were identified for EO from twigs, and three chemotypes were identified for EO from leaves. The chemotypes were based on the percent ratio of the main EO constituents (>5 %). Leaves tissue showed the highest values in terms of polyphenols and flavonoids, as well as higher ABTS radical scavenging activity, while the highest antimicrobial activity against Staphylococcus aureus subsp. aureus was seen in the EOs obtained from twigs. This is the first study to identify several chemotypes based on leaf and twigs EO of P. heldreichii distributed in Bulgarian flora. Furthermore, the EO of twigs tips (TT), male cones (MC), and wood of one-two-year-old twigs (WT) of the same trees were reported for the first time. The total polyphenol, flavonoid content, and radical scavenging activity of tissues of annual twigs wood and biennial twigs wood, leaf tissue, MC tissue, and the twigs tips tissue is also reported for the first time in the accessible literature. These findings highlight the potential of P. heldreichii to provide EOs with varying compositions and bioactivities, making them suitable for nutraceutical, pharmacological, and potentially food additive applications. Furthermore, the identification of chemotype accessions in this study suggests their selection for the development of new forest crop as a source for natural products with desirable composition and bioactivity.
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Affiliation(s)
- Ivanka Semerdjieva
- Department of Botany and Agrometeorology, Agricultural University, Mendeleev 12, 4000 Plovdiv, Bulgaria
- Department of Plant and Fungal Diversity and Resources, Institute of Biodiversity and Ecosystem Research, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
| | - Charles L. Cantrell
- Natural Products Utilization Research Unit, United States Department of Agriculture–Agricultural Research Service (USDA-ARS), University, MS 38677, USA
| | - Valtcho D. Zheljazkov
- Department of Crop and Soil Science, Oregon State University, 3050 SW Campus Way, 109 Crop Science Building, Corvallis, OR 97331, USA
| | - Tzenka Radoukova
- Department of Botany and Biological Education, University of Plovdiv Paisii Hilendarski, 24 Tzar Asen, 4000 Plovdiv, Bulgaria
| | - Lyubka H. Koleva-Valkova
- Department of Plant Physiology, Biochemistry and Genetics, Agricultural University, Mendeleev 12, 4000 Plovdiv, Bulgaria
| | - Tess Astatkie
- Faculty of Agriculture, Dalhousie University, Truro, NS B2N 5E3, Canada
| | - Miroslava Kačániová
- Institute of Horticulture, Faculty of Horticulture and Landscape Engineering, Slovak University of Agriculture, 949 76 Nitra, Slovakia
- School of Medical & Health Sciences, University of Economics and Human Sciences in Warsaw, Okopowa 59, 01 043 Warszawa, Poland
| | - Daniela Borisova
- Administration of Vrachanski Balkan Nature Park, Executive Forest Agency, Ministry of Agriculture and Food, 3000 Vratsa, Bulgaria
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Petralito S, Garzoli S, Ovidi E, Laghezza Masci V, Trilli J, Bigi B, Di Muzio L, Carriero VC, Casadei MA, Paolicelli P. Long-Term Stability of Lavandula x intermedia Essential Oil Nanoemulsions: Can the Addition of the Ripening Inhibitor Impact the Biocidal Activity of the Nanoformulations? Pharmaceutics 2024; 16:108. [PMID: 38258118 PMCID: PMC10821147 DOI: 10.3390/pharmaceutics16010108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Revised: 12/31/2023] [Accepted: 01/12/2024] [Indexed: 01/24/2024] Open
Abstract
In this work, Lavandula x intermedia essential oil (LEO) was encapsulated in lipid-based nanoemulsions (NanoLEO) using the solvent-displacement technique. In order to preserve the colloidal stability of the formulation, LEO was appropriately doped with the incorporation of different levels of a water-insoluble oil used as a ripening inhibitor. All the nanoemulsion samples were evaluated in terms of the impact of the water-insoluble oil on the nanoemulsion formation, physical-chemical properties, and antibacterial effectiveness against E. coli (Gram-negative) and B. cereus (Gram-positive). The presence of the inert oil added benefits to the formulations in terms of appearance, colloidal stability, and loss of volatile components. However, the antimicrobial activity of the nanoemulsions dramatically decreased with the ripening inhibitor addition, probably because it hampered the internalization of the antimicrobial components of LEO within the bacterial cell membranes, thus nullifying the delivery ability of the nanoemulsion formulation. On the contrary, the undoped NanoLEO formulation showed unaltered antibacterial activity in both E. coli and B. cereus up to 40 weeks from the preparation.
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Affiliation(s)
- Stefania Petralito
- Department of Drug Chemistry and Technologies, Sapienza University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy; (S.P.); (J.T.); (B.B.); (L.D.M.); (V.C.C.); (M.A.C.); (P.P.)
| | - Stefania Garzoli
- Department of Drug Chemistry and Technologies, Sapienza University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy; (S.P.); (J.T.); (B.B.); (L.D.M.); (V.C.C.); (M.A.C.); (P.P.)
| | - Elisa Ovidi
- Department for the Innovation in Biological, Agrofood and Forestal Systems, Tuscia University, 01100 Viterbo, Italy; (E.O.); (V.L.M.)
| | - Valentina Laghezza Masci
- Department for the Innovation in Biological, Agrofood and Forestal Systems, Tuscia University, 01100 Viterbo, Italy; (E.O.); (V.L.M.)
| | - Jordan Trilli
- Department of Drug Chemistry and Technologies, Sapienza University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy; (S.P.); (J.T.); (B.B.); (L.D.M.); (V.C.C.); (M.A.C.); (P.P.)
| | - Barbara Bigi
- Department of Drug Chemistry and Technologies, Sapienza University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy; (S.P.); (J.T.); (B.B.); (L.D.M.); (V.C.C.); (M.A.C.); (P.P.)
| | - Laura Di Muzio
- Department of Drug Chemistry and Technologies, Sapienza University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy; (S.P.); (J.T.); (B.B.); (L.D.M.); (V.C.C.); (M.A.C.); (P.P.)
| | - Vito Cosimo Carriero
- Department of Drug Chemistry and Technologies, Sapienza University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy; (S.P.); (J.T.); (B.B.); (L.D.M.); (V.C.C.); (M.A.C.); (P.P.)
| | - Maria Antonietta Casadei
- Department of Drug Chemistry and Technologies, Sapienza University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy; (S.P.); (J.T.); (B.B.); (L.D.M.); (V.C.C.); (M.A.C.); (P.P.)
| | - Patrizia Paolicelli
- Department of Drug Chemistry and Technologies, Sapienza University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy; (S.P.); (J.T.); (B.B.); (L.D.M.); (V.C.C.); (M.A.C.); (P.P.)
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Ghosh S, Sett U, Pal A, Nandy S, Nandi S, Chakrabarty S, Das A, Bandopadhyay P, Basu T. Antibiofilm potential of nanonized eugenol against Pseudomonas aeruginosa. J Appl Microbiol 2024; 135:lxad305. [PMID: 38093454 DOI: 10.1093/jambio/lxad305] [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: 06/19/2023] [Revised: 12/03/2023] [Accepted: 12/12/2023] [Indexed: 01/03/2024]
Abstract
AIMS The purpose of this study was to synthesize a nanoform of eugenol (an important phytochemical with various pharmacological potentials) and to investigate its antibiofilm efficacy on Pseudomonas aeruginosa biofilm. METHODS AND RESULTS Colloidal suspension of eugenol-nanoparticles (ENPs) was synthesized by the simple ultrasonic cavitation method through the emulsification of hydrophobic eugenol into hydrophilic gelatin. Thus, the nanonization process made water-insoluble eugenol into water-soluble nano-eugenol, making the nanoform bioavailable. The size of the ENPs was 20-30 nm, entrapment efficiency of eugenol within gelatin was 80%, and release of eugenol from the gelatin cap was slow and sustained over 5 days. Concerning the clinically relevant pathogen P. aeruginosa, ENPs had higher antibiofilm (for both formation and eradication) activities than free eugenol. Minimal biofilm inhibitory concentration and minimal biofilm eradication concentration of ENP on P. aeruginosa biofilm were 2.0 and 4.0 mM, respectively. In addition, the measurement of P. aeruginosa biofilm biomass, biofilm thickness, amount of biofilm extra-polymeric substance, cell surface hydrophobicity, cell swarming and twitching efficiencies, cellular morphology, and biofilm formation in catheter demonstrated that the antibiofilm efficacy of nano-eugenol was 30%-40% higher than that of bulk eugenol. CONCLUSION These results signify that future pharmacological and clinical studies are very much required to investigate whether ENPs can act as an effective drug against P. aeruginosa biofilm-mediated diseases. Thus, the problem of intrinsic antibiotic tolerance of biofilm-forming cells may be minimized by ENPs. Moreover, ENP may be used as a potential catheter-coating agent to inhibit pseudomonal colonization on catheter surfaces and, therefore, to reduce catheter-associated infections and complications.
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Affiliation(s)
- Sourav Ghosh
- Department of Biochemistry and Biophysics, University of Kalyani, Kalyani 741 235, India
| | - Upasana Sett
- Department of Biochemistry and Biophysics, University of Kalyani, Kalyani 741 235, India
| | - Anabadya Pal
- Department of Biochemistry and Biophysics, University of Kalyani, Kalyani 741 235, India
| | - Sanchita Nandy
- Department of Biochemistry and Biophysics, University of Kalyani, Kalyani 741 235, India
| | - Susmita Nandi
- Department of Biochemistry and Biophysics, University of Kalyani, Kalyani 741 235, India
| | - Soumajit Chakrabarty
- Department of Biochemistry and Biophysics, University of Kalyani, Kalyani 741 235, India
| | - Abhijit Das
- Department of Biochemistry and Biophysics, University of Kalyani, Kalyani 741 235, India
| | - Pathikrit Bandopadhyay
- Department of Biochemistry and Biophysics, University of Kalyani, Kalyani 741 235, India
| | - Tarakdas Basu
- Department of Biochemistry and Biophysics, University of Kalyani, Kalyani 741 235, India
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Fathy SS, Awad EI, Abd-El Aal SFA, Abdelfatah EN, Tahoun ABMB. Inhibitory effect of some probiotic strains and essential oils on the growth of some foodborne pathogens. Open Vet J 2024; 14:470-480. [PMID: 38633175 PMCID: PMC11018446 DOI: 10.5455/ovj.2024.v14.i1.43] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2023] [Accepted: 12/15/2023] [Indexed: 04/19/2024] Open
Abstract
Background Bacillus cereus and Yersinia enterocolitica are implicated in foodborne diseases that have major effects on human health; therefore, it is considered universal public health disorders. Essential oils and essential oils nano emulsions have a sufficient antibacterial performance against a variety of bacteria, especially multi-drug resistant bacteria. Probiotics showed several health benefits via moderating the GIT microbiota and their metabolites. Aim The study was designed to evaluate the biocontrol ability of cinnamon essential oil (CEO) nano emulsion and probiotics as natural antibacterial additives and reveal their bactericidal mechanism. Methods 250 random samples (50 raw milk, 50 rice pudding, 50 kariesh cheese, 50 yogurt, and 50 ice cream) were purchased separately from different areas in Mansoura city, Egypt, and exposed to bacteriological analysis. Results Bacillus cereus was found with the highest mean value of 66 × 107 ± 1.3 × 108 CFU/g in raw milk and the lowest mean value of 28 × 107 ± 2.6 × 107 CFU/g in kariesh cheese while Y. enterocolitica was found in 64% of the total inspected samples with the highest incidence (84%) in yogurt. The toxinogenic potential of the tested pathogens has been evaluated by multiplex PCR pointing nhe A and ces genes for B. cereus isolates while targeting in Y. enterocolitica 16s rRNA, and YST gene. Different concentrations (0.17%, 0.25%, 0.5%, 0.8%, 1%, 1.5%, and 2%) of cinnamon oil nano emulsion were employed in this study. CEO nano emulsion had the highest reduction rate at a concentration of 1.5% in the case of B. cereus and 2% in the case of Y. enterocolitica. Among different types of probiotics, the best one which showed inhibitory potential against B. cereus and Y. enterocolitica was L. plantarum. Conclusion Lactobacillus plantarum and CEO nano emulsion at a concentration of 2% have the highest reduction rate against Y. enterocolitica, while L. plantarum and CEO nano emulsion at a concentration of 1.5% has the best antibacterial effect against B. cereus. In conclusion, more attention is required for both safety and quality in dairy products through the application of natural additives such as essential oils and probiotics.
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Affiliation(s)
- Sally S. Fathy
- Directorate of Veterinary Medicine in Dakahlia, Ministry of Agriculture, Egypt
| | - Esmat I. Awad
- Food Control Department, Faculty of Veterinary Medicine, Zagazig University, Zagazig City, Egypt
| | - Salah F. A. Abd-El Aal
- Food Control Department, Faculty of Veterinary Medicine, Zagazig University, Zagazig City, Egypt
| | - Eman N. Abdelfatah
- Food Control Department, Faculty of Veterinary Medicine, Zagazig University, Zagazig City, Egypt
| | - Asmaa B. M. B. Tahoun
- Food Control Department, Faculty of Veterinary Medicine, Zagazig University, Zagazig City, Egypt
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Prakash B, Singh PP, Gupta V, Raghuvanshi TS. Essential oils as green promising alternatives to chemical preservatives for agri-food products: New insight into molecular mechanism, toxicity assessment, and safety profile. Food Chem Toxicol 2024; 183:114241. [PMID: 38013001 DOI: 10.1016/j.fct.2023.114241] [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: 07/27/2023] [Revised: 10/27/2023] [Accepted: 11/20/2023] [Indexed: 11/29/2023]
Abstract
Microbial food spoilage caused by food-borne bacteria, molds, and associated toxic chemicals significantly alters the nutritional quality of food products and makes them unpalatable to the consumer. In view of potential adverse effects (resistance development, residual toxicity, and negative effects on consumer health) of some of the currently used preservative agents and consumer preferences towards safe, minimally processed, and chemical-free products, food industries are looking for natural alternatives to the chemical preservatives. In this context, essential oils (EOs) showed broad-range antimicrobial effectiveness, low toxicity, and diverse mechanisms of action, and could be considered promising natural plant-based antimicrobials. The existing technical barriers related to the screening of plants, extraction methods, characterization, dose optimization, and unpredicted mechanism of toxicity in the food system, could be overcome using recent scientific and technological advancements, especially bioinformatics, nanotechnology, and mathematical approaches. The review focused on the potential antimicrobial efficacy of EOs against food-borne microbes and the role of recent scientific technology and social networking platform in addressing the major obstacles with EOs-based antimicrobial agents. In addition, a detailed mechanistic understanding of the antimicrobial efficacy of EOs, safety profile, and risk assessment using bioinformatics approaches are summarized to explore their potential application as food preservatives.
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Affiliation(s)
- Bhanu Prakash
- Department of Botany, Institute of Science, Banaras Hindu University, Varanasi, 221005, India.
| | - Prem Pratap Singh
- Department of Botany, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Vishal Gupta
- Department of Botany, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Tanya Singh Raghuvanshi
- Department of Botany, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
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Benamar-Aissa B, Gourine N, Ouinten M, Yousfi M. Synergistic effects of essential oils and phenolic extracts on antimicrobial activities using blends of Artemisia campestris, Artemisia herba alba, and Citrus aurantium. Biomol Concepts 2024; 15:bmc-2022-0040. [PMID: 38353049 DOI: 10.1515/bmc-2022-0040] [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: 11/30/2023] [Accepted: 01/22/2024] [Indexed: 02/16/2024] Open
Abstract
This study explores the synergistic antibacterial effects of essential oils (EOs) and phenolic extracts from three plants against foodborne pathogenic bacteria. The present work aimed to investigate the synergistic effects of the binary and the ternary combinations of extracts using different blend proportions of the following plant extracts: Artemisia campestris (AC), Artemisia herba alba (AHA), and Citrus aurantium (CA). The antimicrobial activities of EOs and phenolic extracts were determined and evaluated against five strains. For the EOs, the results of the DIZ showed the existence of synergism for different combinations of binary blends, such as AC/AHA or AHA/CA against Escherichia coli, and AC/CA against Enterobacter faecalis. In addition, ternary blends of AC:AHA:CA at a ratio of 1/6:2/3:1/6 exhibited a synergy effect, as measured by the CI, against E. coli. On the other hand, for the phenolic extracts, synergistic effects were noticed for binary blends of AC/CA at different ratios against E. coli, E. faecalis, and Pseudomonas aeruginosa strains. Similarly, ternary blends of phenolic extracts presented synergy against E. coli, E. faecalis, P. aeruginosa strains, and even C. albicans. In this case, the blending ratios were crucial determining factors for maximizing the synergy effect. The study established that the proportion of a single drug could play an essential role in determining the bioefficacy of a drug combination treatment. Therefore, the results showed the importance of studying the modulation of antibacterial activities based on the proportions of extracts in the mixture and finding the range of proportions (as determined by SLMD) that have a synergistic/additive/antagonistic effect with no or low side effects, which can be used in a food preservation system.
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Affiliation(s)
- Boualem Benamar-Aissa
- Laboratoire des Sciences Fondamentales (LSF), University Amar Telidji of Laghouat, BP. 37G (03000), Laghouat, Algeria
| | - Nadhir Gourine
- Laboratoire des Sciences Fondamentales (LSF), University Amar Telidji of Laghouat, BP. 37G (03000), Laghouat, Algeria
| | - Mohamed Ouinten
- Laboratoire des Sciences Fondamentales (LSF), University Amar Telidji of Laghouat, BP. 37G (03000), Laghouat, Algeria
| | - Mohamed Yousfi
- Laboratoire des Sciences Fondamentales (LSF), University Amar Telidji of Laghouat, BP. 37G (03000), Laghouat, Algeria
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Daniel IK, Njue OM, Sanad YM. Antimicrobial Effects of Plant-Based Supplements on Gut Microbial Diversity in Small Ruminants. Pathogens 2023; 13:31. [PMID: 38251338 PMCID: PMC10819137 DOI: 10.3390/pathogens13010031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2023] [Revised: 12/18/2023] [Accepted: 12/26/2023] [Indexed: 01/23/2024] Open
Abstract
Every year in the United States, approximately 48 million people are affected by bacterial illnesses that are transmitted through food, leading to 3000 fatalities. These illnesses typically stem from food animals and their by-products, which may harbor dangerous pathogens like Salmonella enterica, Listeria monocytogenes, enterohemorrhagic Escherichia coli O157:H7, and Campylobacter jejuni. Factors that contribute to contamination include manure used as a soil amendment, exposure to polluted irrigation water, and contact with animals. To improve food safety, researchers are studying pre-slaughter intervention methods to eliminate bacterial contamination in live animals. While small ruminants are vital to global agriculture and income generation for small farms, traditional feeding practices involve supplements and antibiotics to boost performance, which contributes to antibiotic resistance. Hence, researchers are looking for friendly bacterial strains that enhance both animal and human health without impacting livestock productivity. The global trend is to minimize the use of antibiotics as feed supplements, with many countries prohibiting or limiting their use. The aim of this review is to provide a comprehensive insight on the antioxidant capabilities, therapeutic attributes, and applications of bioactive compounds derived from sweet potato tops (SPTs), rice bran (RB) and radish tops (RTs). This overview provides an insight on plant parts that are abundant in antioxidant and prebiotic effects and could be used as value-added products in animal feed and pharmaceutical applications. This review was based on previous findings that supplementation of basal diets with natural supplements represents a multifaceted intervention that will become highly important over time. By remarkably reducing the burden of foodborne pathogens, they apply to multiple species, are cheap, do not require withdrawal periods, and can be applied at any time in food animal production.
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Affiliation(s)
- Ian K. Daniel
- Department of Agriculture, University of Arkansas at Pine Bluff, Pine Bluff, AR 71601, USA
- Department of Veterinary Pathobiology, School of Veterinary Medicine & Biomedical Sciences, Texas A&M University, College Station, TX 77843, USA
| | - Obadiah M. Njue
- Department of Agriculture, University of Arkansas at Pine Bluff, Pine Bluff, AR 71601, USA
| | - Yasser M. Sanad
- Department of Agriculture, University of Arkansas at Pine Bluff, Pine Bluff, AR 71601, USA
- Department of Epidemiology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
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Rîmbu CM, Serbezeanu D, Vlad-Bubulac T, Suflet DM, Motrescu I, Lungoci C, Robu T, Vrînceanu N, Grecu M, Cozma AP, Fotea L, Anița DC, Popovici I, Horhogea CE. Antimicrobial Activity of Artemisia dracunculus Oil-Loaded Agarose/Poly(Vinyl Alcohol) Hydrogel for Bio-Applications. Gels 2023; 10:26. [PMID: 38247749 PMCID: PMC10815380 DOI: 10.3390/gels10010026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 12/21/2023] [Accepted: 12/25/2023] [Indexed: 01/23/2024] Open
Abstract
In this study, the potential use of Artemisia dracunculus essential oil in bio-applications was investigated. Firstly, the phytochemicals from Artemisia dracunculus were analyzed by different methods. Secondly, the Artemisia dracunculus essential oil was incorporated into the hydrogel matrix based on poly(vinyl alcohol) (PVA) and agar (A). The structural, morphological, and physical properties of the hydrogel matrix loaded with different amounts of Artemisia dracunculus essential oil were thoroughly investigated. FTIR analysis revealed the successful loading of the essential oil Artemisia dracunculus into the PVA/A hydrogel matrix. The influence of the mechanical properties and antimicrobial activity of the PVA/A hydrogel matrix loaded with different amounts of Artemisia dracunculus was also assessed. The antimicrobial activity of Artemisia dracunculus (EO Artemisia dracunculus) essential oil was tested using the disk diffusion method and the time-kill assay method after entrapment in the PVA/A hydrogel matrices. The results showed that PVA/agar-based hydrogels loaded with EO Artemisia dracunculus exhibited significant antimicrobial activity (log reduction ratio in the range of 85.5111-100%) against nine pathogenic isolates, both Gram-positive (S. aureus, MRSA, E. faecalis, L. monocytogenes) and Gram-negative (E. coli, K. pneumoniae, S. enteritidis, S. typhimurium, and A. salmonicida). The resulted biocompatible polymers proved to have enhanced properties when functionalized with the essential oil of Artemisia dracunculus, offering opportunities and possibilities for novel applications.
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Affiliation(s)
- Cristina Mihaela Rîmbu
- Department of Public Health, Iasi “Ion Ionescu de la Brad” University of Life Sciences, 8 Sadoveanu Alley, 707027 Iasi, Romania;
| | - Diana Serbezeanu
- Department of Polycondensation and Thermally Stable Polymers, “Petru Poni” Institute of Macromolecular Chemistry, Grigore Ghica Voda Alley 41A, 700487 Iasi, Romania; (T.V.-B.); (D.M.S.)
| | - Tăchiță Vlad-Bubulac
- Department of Polycondensation and Thermally Stable Polymers, “Petru Poni” Institute of Macromolecular Chemistry, Grigore Ghica Voda Alley 41A, 700487 Iasi, Romania; (T.V.-B.); (D.M.S.)
| | - Dana Mihaela Suflet
- Department of Polycondensation and Thermally Stable Polymers, “Petru Poni” Institute of Macromolecular Chemistry, Grigore Ghica Voda Alley 41A, 700487 Iasi, Romania; (T.V.-B.); (D.M.S.)
| | - Iuliana Motrescu
- Department of Exact Sciences, Iasi “Ion Ionescu de la Brad” University of Life Sciences, 3 Sadoveanu Alley, 700490 Iasi, Romania; (I.M.); (A.P.C.)
| | - Constantin Lungoci
- Department of Plant Science, Iasi “Ion Ionescu de la Brad” University of Life Sciences, 3 Sadoveanu Alley, 700490 Iasi, Romania; (C.L.); (T.R.)
| | - Teodor Robu
- Department of Plant Science, Iasi “Ion Ionescu de la Brad” University of Life Sciences, 3 Sadoveanu Alley, 700490 Iasi, Romania; (C.L.); (T.R.)
| | - Narcisa Vrînceanu
- Department of Industrial Machines and Equipments, Faculty of Engineering, “Lucian Blaga” University of Sibiu, 10 Victoriei Blvd, 550024 Sibiu, Romania;
| | - Mariana Grecu
- Department of Pharmacology, Iasi “Ion Ionescu de la Brad” University of Life Sciences, 8 Sadoveanu Alley, 707027 Iasi, Romania;
| | - Andreea Paula Cozma
- Department of Exact Sciences, Iasi “Ion Ionescu de la Brad” University of Life Sciences, 3 Sadoveanu Alley, 700490 Iasi, Romania; (I.M.); (A.P.C.)
| | - Lenuța Fotea
- Department of Animal Resources and Technologies, “Ion Ionescu de la Brad” University of Life Sciences, 700490 Iasi, Romania;
| | - Dragoș Constantin Anița
- Regional Center of Advanced Research for Emerging Diseases Zoonoses and Food Safety (ROVETEMERG), “Ion Ionescu de la Brad” University of Life Sciences, 3 Mihail Sadoveanu Alley, 700490 Iasi, Romania;
| | - Ivona Popovici
- Department of Preclinics, Iasi “Ion Ionescu de la Brad” University of Life Sciences, 8 Sadoveanu Alley, 707027 Iasi, Romania;
| | - Cristina Elena Horhogea
- Department of Public Health, Iasi “Ion Ionescu de la Brad” University of Life Sciences, 8 Sadoveanu Alley, 707027 Iasi, Romania;
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Prabha S, Chauhan P, Warkare S, Pandey KM. A computational investigation of potential plant-based bioactive compounds against drug-resistant Staphylococcus aureus of multiple target proteins. J Biomol Struct Dyn 2023:1-19. [PMID: 38133950 DOI: 10.1080/07391102.2023.2297009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 12/13/2023] [Indexed: 12/24/2023]
Abstract
Drug-resistant Staphylococcus aureus (DRSA) poses a significant global health threat, like bacteremia, endocarditis, skin, soft tissue, bone, and joint infections. Nowadays, the resistance against conventional drugs has been a prompt and focused medical concern. The present study aimed to explore the inhibitory potential of plant-based bioactive compounds (PBBCs) against effective target proteins using a computational approach. We retrieved and verified 22 target proteins associated with DRSA and conducted a screening process that involved testing 87 PBBCs. Molecular docking was performed between screened PBBCs and reference drugs with selected target proteins via AutoDock. Subsequently, we filtered the target proteins and top PBBCs based on their binding affinity scores. Furthermore, molecular dynamic simulation was carried out through GROMACS for a duration of 100 ns, and the binding free energy was calculated using the gmx_MMPBSA. The result showed consistent hydrogen bonding interactions among the amino acid residues Ser 149, Arg 151, Thr 165, Thr 216, Glu 239, Ser 240, Ile 14, as well as Asn 18, Gln 19, Lys 45, Thr 46, Tyr 109, with their respective target proteins of the penicillin-binding protein and dihydrofolate reductase complex. Additionally, we assessed the pharmacokinetic properties of screened PBBCs via SwissADME and AdmetSAR. The findings suggest that β-amyrin, oleanolic acid, kaempferol, quercetin, and friedelin have the potential to inhibit the selected target proteins. In future research, both in vitro and in vivo, experiments will be needed to establish these PBBCs as potent antimicrobial drugs for DRSA.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Sarit Prabha
- Department of Biological Science and Engineering, Maulana Azad National Institute of Technology, Bhopal, India
| | | | - Sudeesh Warkare
- Department of Biological Science and Engineering, Maulana Azad National Institute of Technology, Bhopal, India
| | - Khushhali M Pandey
- Department of Biological Science and Engineering, Maulana Azad National Institute of Technology, Bhopal, India
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50
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Nieto G, Martínez-Zamora L, Peñalver R, Marín-Iniesta F, Taboada-Rodríguez A, López-Gómez A, Martínez-Hernández GB. Applications of Plant Bioactive Compounds as Replacers of Synthetic Additives in the Food Industry. Foods 2023; 13:47. [PMID: 38201075 PMCID: PMC10778451 DOI: 10.3390/foods13010047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 12/11/2023] [Accepted: 12/17/2023] [Indexed: 01/12/2024] Open
Abstract
According to the Codex Alimentarius, a food additive is any substance that is incorporated into a food solely for technological or organoleptic purposes during the production of that food. Food additives can be of synthetic or natural origin. Several scientific evidence (in vitro studies and epidemiological studies like the controversial Southampton study published in 2007) have pointed out that several synthetic additives may lead to health issues for consumers. In that sense, the actual consumer searches for "Clean Label" foods with ingredient lists clean of coded additives, which are rejected by the actual consumer, highlighting the need to distinguish synthetic and natural codded additives from the ingredient lists. However, this natural approach must focus on an integrated vision of the replacement of chemical substances from the food ingredients, food contact materials (packaging), and their application on the final product. Hence, natural plant alternatives are hereby presented, analyzing their potential success in replacing common synthetic emulsifiers, colorants, flavorings, inhibitors of quality-degrading enzymes, antimicrobials, and antioxidants. In addition, the need for a complete absence of chemical additive migration to the food is approached through the use of plant-origin bioactive compounds (e.g., plant essential oils) incorporated in active packaging.
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Affiliation(s)
- Gema Nieto
- Department of Food Technology, Nutrition and Food Science, Veterinary Faculty, University of Murcia, 30100 Murcia, Spain; (G.N.); (L.M.-Z.); (R.P.); (A.T.-R.)
| | - Lorena Martínez-Zamora
- Department of Food Technology, Nutrition and Food Science, Veterinary Faculty, University of Murcia, 30100 Murcia, Spain; (G.N.); (L.M.-Z.); (R.P.); (A.T.-R.)
| | - Rocío Peñalver
- Department of Food Technology, Nutrition and Food Science, Veterinary Faculty, University of Murcia, 30100 Murcia, Spain; (G.N.); (L.M.-Z.); (R.P.); (A.T.-R.)
| | - Fulgencio Marín-Iniesta
- Department of Food Technology, Nutrition and Food Science, Veterinary Faculty, University of Murcia, 30100 Murcia, Spain; (G.N.); (L.M.-Z.); (R.P.); (A.T.-R.)
| | - Amaury Taboada-Rodríguez
- Department of Food Technology, Nutrition and Food Science, Veterinary Faculty, University of Murcia, 30100 Murcia, Spain; (G.N.); (L.M.-Z.); (R.P.); (A.T.-R.)
- Agrosingularity, Calle Pintor Aurelio Pérez 12, 30006 Murcia, Spain
| | - Antonio López-Gómez
- Food Safety and Refrigeration Engineering Group, Department of Agricultural Engineering, Universidad Politécnica de Cartagena, Paseo Alfonso XIII, 48, 30203 Cartagena, Spain;
| | - Ginés Benito Martínez-Hernández
- Food Safety and Refrigeration Engineering Group, Department of Agricultural Engineering, Universidad Politécnica de Cartagena, Paseo Alfonso XIII, 48, 30203 Cartagena, Spain;
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