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Pieracci Y, Bozzini MF, Campanini C, Muscatello B, De Martino L, Nocera FP, Fulvio F, Montanari M, Flamini G, Fratini F. Cannabis sativa L. essential oil: chemical characterisation and antimicrobial activity against methicillin-resistant Staphylococcus pseudintermedius. Nat Prod Res 2024:1-11. [PMID: 39229937 DOI: 10.1080/14786419.2024.2398733] [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: 04/17/2024] [Revised: 08/12/2024] [Accepted: 08/27/2024] [Indexed: 09/05/2024]
Abstract
Cannabis sativa L. essential oil has attracted the interest of the scientific community thanks to its numerous biological activities. Several studies have evaluated EOs as alternative therapeutic approaches to limit the use of antibiotics; the present study aimed to evaluate the in vitro inhibitory and bactericidal activity of the essential oils obtained from the leaves and inflorescences of two hemp genotypes against twenty-one multidrug-resistant, methicillin-resistant Staphylococcus pseudintermedius strains isolated from canine clinical samples. Both EOs were mainly represented by sesquiterpene hydrocarbons, with a prevalence of β-caryophyllene and α-humulene. However, different relative amounts of phytocannabinoids were also detected. Microbiological results evidenced better outcomes for the EO characterised by the highest content of phytocannabinoids, which in turn showed no differences among the tested strains. Nevertheless, both the EOs showed better inhibitory and bactericidal activities than their main constituent, β-caryophyllene, tested individually, highlighting the presence of synergistic effects among the EO compounds.
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Affiliation(s)
| | | | | | - Beatrice Muscatello
- Dipartimento di Farmacia, Università di Pisa, Pisa, Italy
- Centro per l'Integrazione della Strumentazione dell'Università di Pisa (CISUP), Pisa, Italy
| | - Luisa De Martino
- Dipartimento di Medicina Veterinaria e Produzioni Animali, Università degli Studi di Napoli Federico II, Naples, Italy
| | - Francesca Paola Nocera
- Dipartimento di Medicina Veterinaria e Produzioni Animali, Università degli Studi di Napoli Federico II, Naples, Italy
| | - Flavia Fulvio
- CREA-Centro di Ricerca per Cerealicoltura e Colture Industriali, Bologna, Italy
| | - Massimo Montanari
- CREA-Centro di Ricerca per Cerealicoltura e Colture Industriali, Bologna, Italy
| | - Guido Flamini
- Dipartimento di Farmacia, Università di Pisa, Pisa, Italy
- Centro Interdipartimentale di Ricerca "Nutraceutica e Alimentazione per la Salute" (NUTRAFOOD), Università di Pisa, Pisa, Italy
| | - Filippo Fratini
- Dipartimento di Scienze Veterinarie, Università di Pisa, Pisa, Italy
- Centro Interdipartimentale di Ricerca "Nutraceutica e Alimentazione per la Salute" (NUTRAFOOD), Università di Pisa, Pisa, Italy
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Lagoa T, Queiroga MC, Martins L. An Overview of Wound Dressing Materials. Pharmaceuticals (Basel) 2024; 17:1110. [PMID: 39338274 PMCID: PMC11434694 DOI: 10.3390/ph17091110] [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: 07/08/2024] [Revised: 08/15/2024] [Accepted: 08/20/2024] [Indexed: 09/30/2024] Open
Abstract
Wounds are an increasing global concern, mainly due to a sedentary lifestyle, frequently associated with the occidental way of life. The current prevalence of obesity in Western societies, leading to an increase in type II diabetes, and an elderly population, is also a key factor associated with the problem of wound healing. Therefore, it stands essential to find wound dressing systems that allow for reestablishing the skin integrity in the shortest possible time and with the lowest cost, avoiding further damage and promoting patients' well-being. Wounds can be classified into acute or chronic, depending essentially on the duration of the healing process, which is associated withextent and depth of the wound, localization, the level of infection, and the patient's health status. For each kind of wound and respective healing stage, there is a more suitable dressing. The aim of this review was to focus on the possible wound dressing management, aiming for a more adequate healing approach for each kind of wound.
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Affiliation(s)
- Tânia Lagoa
- MED—Mediterranean Institute for Agriculture, Environment and Development, University of Évora, Mitra Campus, P.O. Box 94, 7006-554 Évora, Portugal; (T.L.); (L.M.)
- CHANGE—Global Change and Sustainability Institute, Institute for Advanced Studies and Research, University of Évora, Mitra Campus, P.O. Box 94, 7006-554 Évora, Portugal
| | - Maria Cristina Queiroga
- MED—Mediterranean Institute for Agriculture, Environment and Development, University of Évora, Mitra Campus, P.O. Box 94, 7006-554 Évora, Portugal; (T.L.); (L.M.)
- CHANGE—Global Change and Sustainability Institute, Institute for Advanced Studies and Research, University of Évora, Mitra Campus, P.O. Box 94, 7006-554 Évora, Portugal
- Department of Veterinary Medicine, School of Science and Technology, University of Évora, Mitra Campus, P.O. Box 94, 7006-554 Évora, Portugal
| | - Luís Martins
- MED—Mediterranean Institute for Agriculture, Environment and Development, University of Évora, Mitra Campus, P.O. Box 94, 7006-554 Évora, Portugal; (T.L.); (L.M.)
- CHANGE—Global Change and Sustainability Institute, Institute for Advanced Studies and Research, University of Évora, Mitra Campus, P.O. Box 94, 7006-554 Évora, Portugal
- Department of Veterinary Medicine, School of Science and Technology, University of Évora, Mitra Campus, P.O. Box 94, 7006-554 Évora, Portugal
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Chirilă L, Stan MS, Voinea IC, Popescu A, Ene AG, Danu M, Ibănescu C, Lite MC. Biocompatibility and Antibacterial Activity of Eugenol and Copaiba Essential Oil-Based Emulsions Loaded on Cotton Textile Materials. Polymers (Basel) 2024; 16:2367. [PMID: 39204586 PMCID: PMC11359198 DOI: 10.3390/polym16162367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2024] [Revised: 08/18/2024] [Accepted: 08/20/2024] [Indexed: 09/04/2024] Open
Abstract
The present study was focused on the preparation, characterization and application onto cotton fabrics of different topical oil-in-water emulsions based on chitosan, eugenol and copaiba essential oil for potential topical applications. Different amounts of copaiba essential oil (oil phases) and eugenol were used, while the water phase consisted of hamamelis water. The designed formulations were evaluated via optical microscopy and rheological parameters assessment. The textile materials treated with the developed emulsions were analyzed in terms of antibacterial efficiency and in vitro and in vivo biocompatibility. The rheological measurements have shown that the emulsions' stability was dependent on their viscosity and structure of the colloidal systems. The emulsions remained stable at temperatures equal to or below 35 °C, but an increase in temperature led to droplet flocculation and creaming. The emulsion-treated textiles exhibited antibacterial activity against Escherichia coli and Staphylococcus aureus, and in vivo biocompatibility on the skin of guinea pigs without sensitization effects. Our study revealed that eugenol and copaiba essential oil-based emulsions loaded on cotton textile materials could be promising candidates for developing skin-friendly textiles designed for different topical applications.
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Affiliation(s)
- Laura Chirilă
- National Research and Development Institute for Textiles and Leather—INCDTP, Lucrețiu Pătrășcanu 16, 030508 Bucharest, Romania; (L.C.); (A.P.); (A.-G.E.); (M.-C.L.)
| | - Miruna S. Stan
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, 91–95 Splaiul Independentei, 050095 Bucharest, Romania;
| | - Ionela C. Voinea
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, 91–95 Splaiul Independentei, 050095 Bucharest, Romania;
| | - Alina Popescu
- National Research and Development Institute for Textiles and Leather—INCDTP, Lucrețiu Pătrășcanu 16, 030508 Bucharest, Romania; (L.C.); (A.P.); (A.-G.E.); (M.-C.L.)
| | - Alexandra-Gabriela Ene
- National Research and Development Institute for Textiles and Leather—INCDTP, Lucrețiu Pătrășcanu 16, 030508 Bucharest, Romania; (L.C.); (A.P.); (A.-G.E.); (M.-C.L.)
| | - Maricel Danu
- “Cristofor Simionescu” Faculty of Chemical Engineering and Environmental Protection, “Gheorghe Asachi” Technical University of Iasi, 73 Prof. Dr. Docent D. Mangeron Blvd, 700050 Iasi, Romania;
- “Petru Poni” Institute of Macromolecular Chemistry, 41A Grigore Ghica Vodă Str., 700487 Iasi, Romania
| | - Constanța Ibănescu
- “Cristofor Simionescu” Faculty of Chemical Engineering and Environmental Protection, “Gheorghe Asachi” Technical University of Iasi, 73 Prof. Dr. Docent D. Mangeron Blvd, 700050 Iasi, Romania;
| | - Mihaela-Cristina Lite
- National Research and Development Institute for Textiles and Leather—INCDTP, Lucrețiu Pătrășcanu 16, 030508 Bucharest, Romania; (L.C.); (A.P.); (A.-G.E.); (M.-C.L.)
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Saoudi B, Bariz K, Saci S, Belounis Y, Ait Issad H, Abbaci M, Mustapha MA, Nabti EH, Alenazy R, Alhussaini MS, Alyahya AAI, Alqasmi M, Alhumaidi MS, Almufarriji FM, Houali K. Enhancing Antibiotic Efficacy and Combating Biofilm Formation: Evaluating the Synergistic Potential of Origanum vulgare Essential Oil against Multidrug-Resistant Gram-Negative Bacteria. Microorganisms 2024; 12:1651. [PMID: 39203493 PMCID: PMC11356740 DOI: 10.3390/microorganisms12081651] [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: 07/30/2024] [Revised: 08/06/2024] [Accepted: 08/07/2024] [Indexed: 09/03/2024] Open
Abstract
Multidrug-resistant (MDR) Gram-negative bacteria remain a global public health issue due to the barrier imposed by their outer membrane and their propensity to form biofilms. It is becoming imperative to develop new antibacterial strategies. In this context, this study aims to evaluate the antibacterial efficacy of Origanum vulgare essential oil (OEO), alone and in combination with antibiotics, as well as its antibiofilm action against multidrug-resistant Gram-negative strains. OEO components were identified by gas chromatography-mass spectrometry (GC-MS), and antibacterial activity was assessed using the agar diffusion test and the microdilution method. Interactions between OEO and antibiotics were examined using the checkerboard method, while antibiofilm activity was analyzed using the crystal violet assay. Chemical analysis revealed that carvacrol was the major compound in OEO (61.51%). This essential oil demonstrated activity against all the tested strains, with inhibition zone diameters (IZDs) reaching 32.3 ± 1.5 mm. The combination of OEO with different antibiotics produced synergistic and additive effects, leading to a reduction of up to 98.44% in minimum inhibitory concentrations (MICs). In addition, this essential oil demonstrated an ability to inhibit and even eradicate biofilm formation. These results suggest that OEO could be exploited in the development of new molecules, combining its metabolites with antibiotics.
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Affiliation(s)
- Bilal Saoudi
- Laboratory of Analytical Biochemistry and Biotechnology, Faculty of Biological and Agronomic Sciences, Mouloud Mammeri University of Tizi-Ouzou, Tizi Ouzou 15000, Algeria; (B.S.); (K.B.); (S.S.); (Y.B.)
| | - Karim Bariz
- Laboratory of Analytical Biochemistry and Biotechnology, Faculty of Biological and Agronomic Sciences, Mouloud Mammeri University of Tizi-Ouzou, Tizi Ouzou 15000, Algeria; (B.S.); (K.B.); (S.S.); (Y.B.)
| | - Sarah Saci
- Laboratory of Analytical Biochemistry and Biotechnology, Faculty of Biological and Agronomic Sciences, Mouloud Mammeri University of Tizi-Ouzou, Tizi Ouzou 15000, Algeria; (B.S.); (K.B.); (S.S.); (Y.B.)
| | - Yousra Belounis
- Laboratory of Analytical Biochemistry and Biotechnology, Faculty of Biological and Agronomic Sciences, Mouloud Mammeri University of Tizi-Ouzou, Tizi Ouzou 15000, Algeria; (B.S.); (K.B.); (S.S.); (Y.B.)
| | - Hakima Ait Issad
- Laboratoire Ressources Naturelles, Mouloud Mammeri University of Tizi-Ouzou, Tizi Ouzou 15000, Algeria;
| | - Mohamed Abbaci
- Centre de Recherche Scientifique et Technique en Analyses Physico—Chimiques CRAPC, Bou Ismail 42004, Algeria; (M.A.); (M.A.M.)
| | - Mohamed Abou Mustapha
- Centre de Recherche Scientifique et Technique en Analyses Physico—Chimiques CRAPC, Bou Ismail 42004, Algeria; (M.A.); (M.A.M.)
| | - El-Hafid Nabti
- Laboratoire de Maitrise des Energies Renouvelables, Faculté des Sciences de la Nature et de le Vie, Université de Bejaïa, Bejaïa 06000, Algeria;
| | - Rawaf Alenazy
- Department of Medical Laboratory, College of Applied Medical Sciences-Shaqra, Shaqra University, Shaqra 11961, Saudi Arabia; (M.S.A.); (A.A.I.A.); (M.A.)
| | - Mohammed Sanad Alhussaini
- Department of Medical Laboratory, College of Applied Medical Sciences-Shaqra, Shaqra University, Shaqra 11961, Saudi Arabia; (M.S.A.); (A.A.I.A.); (M.A.)
| | - Abdulrahman A. I. Alyahya
- Department of Medical Laboratory, College of Applied Medical Sciences-Shaqra, Shaqra University, Shaqra 11961, Saudi Arabia; (M.S.A.); (A.A.I.A.); (M.A.)
| | - Mohammed Alqasmi
- Department of Medical Laboratory, College of Applied Medical Sciences-Shaqra, Shaqra University, Shaqra 11961, Saudi Arabia; (M.S.A.); (A.A.I.A.); (M.A.)
| | - Maryam S. Alhumaidi
- Department of Biology, College of Science, University of Hafr Al Batin, P.O. Box 1803, Hafr Al Batin 31991, Saudi Arabia;
| | - Fawaz M. Almufarriji
- Medical Laboratories Department, College of Applied Medical Sciences in Al-Quwayiyah, Shaqra University, Shaqra 11961, Saudi Arabia;
| | - Karim Houali
- Laboratory of Analytical Biochemistry and Biotechnology, Faculty of Biological and Agronomic Sciences, Mouloud Mammeri University of Tizi-Ouzou, Tizi Ouzou 15000, Algeria; (B.S.); (K.B.); (S.S.); (Y.B.)
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Wei H, You A, Wang D, Zhang A. Plant-derived essential oil contributes to the reduction of multidrug resistance genes in the sludge composting process. ENVIRONMENT INTERNATIONAL 2024; 190:108854. [PMID: 38950496 DOI: 10.1016/j.envint.2024.108854] [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: 03/02/2024] [Revised: 05/27/2024] [Accepted: 06/26/2024] [Indexed: 07/03/2024]
Abstract
Multidrug-resistant bacteria and multi-resistance genes in sludge have become a serious issue for public health. It is imperative to develop feasible and environmentally friendly methods of sludge composting to alleviate multidrug resistance genes. Plant-derived essential oil is an effective natural and eco-friendly antibacterial, which has great utilization in inhibiting pathogens in the agricultural industry. Nevertheless, the application of plant-derived essential oil to control pathogenic bacteria and antibiotic resistance in composting has not been reported. This study conducted a composting system by adding plant-derived essential oil i.e., oregano essential oil (OEO), to sludge composting. The findings indicated that multidrug resistance genes and priority pathogens (critical, high, and medium categories) were reduced by (17.0 ± 2.2)% and (26.5 ± 3.0)% in the addition of OEO (OH treatment) compared to control. Besides, the OH treatment changed the bacterial community and enhanced the gene sequences related to carbohydrate metabolism in compost microorganisms. Mantel test and variation partitioning analysis revealed that the target virulence factors (VFs), target mobile genetic elements (MGEs), and priority pathogens were the most important factors affecting multidrug resistance in composting. The OH treatment could significantly inhibit the target VFs, target MGEs, and priority pathogens, which were helpful for the suppression and elimination of multidrug resistance genes. These findings provide new insights into the regulation of multidrug resistance genes during sludge composting and a novel way to diminish the environmental risk of antibiotic resistance.
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Affiliation(s)
- Huawei Wei
- Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, School of Public Health, Guizhou Medical University, Gui'an New District 561113, Guizhou, PR China; Collaborative Innovation Center for Prevention and Control of Endemic and Ethnic Regional Diseases Co-constructed by the Province and Ministry, Guizhou Medical University, Gui'an New District 561113, Guizhou, PR China.
| | - Anbo You
- Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, School of Public Health, Guizhou Medical University, Gui'an New District 561113, Guizhou, PR China
| | - Dapeng Wang
- Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, School of Public Health, Guizhou Medical University, Gui'an New District 561113, Guizhou, PR China; Collaborative Innovation Center for Prevention and Control of Endemic and Ethnic Regional Diseases Co-constructed by the Province and Ministry, Guizhou Medical University, Gui'an New District 561113, Guizhou, PR China
| | - Aihua Zhang
- Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, School of Public Health, Guizhou Medical University, Gui'an New District 561113, Guizhou, PR China; Collaborative Innovation Center for Prevention and Control of Endemic and Ethnic Regional Diseases Co-constructed by the Province and Ministry, Guizhou Medical University, Gui'an New District 561113, Guizhou, PR China.
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Lemoine N, Wakefield B, Agee W, Bauchat J, Ende H, Raymond B. Do essential oil diffusers during labor pose a contamination risk to sterile neuraxial procedures? Int J Obstet Anesth 2024:104237. [PMID: 39227291 DOI: 10.1016/j.ijoa.2024.104237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2024] [Accepted: 07/17/2024] [Indexed: 09/05/2024]
Affiliation(s)
- N Lemoine
- Department of Anesthesiology, Vanderbilt University Medical Center, 1211 Medical Center Drive, Nashville, TN 37232 USA.
| | - B Wakefield
- Department of Anesthesiology, Vanderbilt University Medical Center, 1211 Medical Center Drive, Nashville, TN 37232 USA
| | - W Agee
- Department of Anesthesiology, Vanderbilt University Medical Center, 1211 Medical Center Drive, Nashville, TN 37232 USA
| | - J Bauchat
- Department of Anesthesiology, Vanderbilt University Medical Center, 1211 Medical Center Drive, Nashville, TN 37232 USA
| | - H Ende
- Department of Anesthesiology, Vanderbilt University Medical Center, 1211 Medical Center Drive, Nashville, TN 37232 USA
| | - B Raymond
- Department of Anesthesiology, Vanderbilt University Medical Center, 1211 Medical Center Drive, Nashville, TN 37232 USA
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Scheau C, Pop CR, Rotar AM, Socaci S, Mălinaș A, Zăhan M, Coldea ȘD, Pop VC, Fit NI, Chirilă F, Criveanu HR, Oltean I. The Influence of Physical Fields (Magnetic and Electric) and LASER Exposure on the Composition and Bioactivity of Cinnamon Bark, Patchouli, and Geranium Essential Oils. PLANTS (BASEL, SWITZERLAND) 2024; 13:1992. [PMID: 39065519 PMCID: PMC11281253 DOI: 10.3390/plants13141992] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2024] [Revised: 07/18/2024] [Accepted: 07/19/2024] [Indexed: 07/28/2024]
Abstract
In recent years, essential oils (EOs) have received increased attention from the research community, and the EOs of cinnamon, patchouli, and geranium have become highly recognized for their antibacterial, antifungal, antiviral, and antioxidant effects. Due to these properties, they have become valuable and promising candidates for addressing the worldwide threat of antimicrobial resistance and other diseases. Simultaneously, studies have revealed promising new results regarding the effects of physical fields (magnetic and electric) and LASER (MEL) exposure on seed germination, plant growth, biomass accumulation, and the yield and composition of EOs. In this frame, the present study aims to investigate the influence of MEL treatments on cinnamon, patchouli, and geranium EOs, by specifically examining their composition, antimicrobial properties, and antioxidant activities. Results showed that the magnetic influence has improved the potency of patchouli EO against L. monocytogenes, S. enteritidis, and P. aeruginosa, while the antimicrobial activity of cinnamon EO against L. monocytogenes was enhanced by the electric and laser treatments. All exposures have increased the antifungal effect of geranium EO against C. albicans. The antioxidant activity was not modified by any of the treatments. These findings could potentially pave the way for a deeper understanding of the efficiency, the mechanisms of action, and the utilization of EOs, offering new insights for further exploration and application.
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Affiliation(s)
- Camelia Scheau
- PhD School of Agricultural Engineering Sciences, USAMV Cluj-Napoca, 3-5, Mănăştur Street, 400372 Cluj-Napoca, Romania;
| | - Carmen Rodica Pop
- Department of Food Science, Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, 64, Floresti Street, 400509 Cluj-Napoca, Romania; (C.R.P.); (A.M.R.); (S.S.)
| | - Ancuța Mihaela Rotar
- Department of Food Science, Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, 64, Floresti Street, 400509 Cluj-Napoca, Romania; (C.R.P.); (A.M.R.); (S.S.)
| | - Sonia Socaci
- Department of Food Science, Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, 64, Floresti Street, 400509 Cluj-Napoca, Romania; (C.R.P.); (A.M.R.); (S.S.)
| | - Anamaria Mălinaș
- Department of Environmental Protection and Engineering, Faculty of Agriculture, University of Agricultural Sciences and Veterinary Medicine, 3-5, Mănăştur Street, 400372 Cluj-Napoca, Romania
| | - Marius Zăhan
- Faculty of Animal Science and Biotechnology, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, 3-5, Mănăştur Street, 400372 Cluj-Napoca, Romania; (M.Z.); (Ș.D.C.)
| | - Ștefania Dana Coldea
- Faculty of Animal Science and Biotechnology, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, 3-5, Mănăştur Street, 400372 Cluj-Napoca, Romania; (M.Z.); (Ș.D.C.)
| | - Viorel Cornel Pop
- Faculty of Veterinary Medicine, University of Agricultural Sciences and Veterinary Medicine, 3-5, Mănăştur Street, 400372 Cluj-Napoca, Romania
| | - Nicodim Iosif Fit
- Department of Paraclinical Sciences, Faculty of Veterinary Medicine, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, 3-5, Mănăstur Street, 400372 Cluj-Napoca, Romania; (N.I.F.); (F.C.)
| | - Flore Chirilă
- Department of Paraclinical Sciences, Faculty of Veterinary Medicine, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, 3-5, Mănăstur Street, 400372 Cluj-Napoca, Romania; (N.I.F.); (F.C.)
| | - Horia Radu Criveanu
- Faculty of Horticulture, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, 3-5, Mănăstur Street, 400372 Cluj-Napoca, Romania;
| | - Ion Oltean
- Department of Plant Protection, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, 3-5, Mănăstur Street, 400372 Cluj-Napoca, Romania;
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Arruda F, Lima A, Wortham T, Janeiro A, Rodrigues T, Baptista J, Rosa JS, Lima E. Sequential Separation of Essential Oil Components during Hydrodistillation of Fresh Foliage from Azorean Cryptomeria japonica (Cupressaceae): Effects on Antibacterial, Antifungal, and Free Radical Scavenging Activities. PLANTS (BASEL, SWITZERLAND) 2024; 13:1729. [PMID: 38999569 PMCID: PMC11243627 DOI: 10.3390/plants13131729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2024] [Revised: 06/10/2024] [Accepted: 06/20/2024] [Indexed: 07/14/2024]
Abstract
Cryptomeria japonica wood industry generates large amounts of foliage biomass residues. Due to the increasing applications and markets for essential oils (EOs), fresh Azorean C. japonica foliage (Az-CJF) residues are used for local EO production. Hydrodistillation (HD), a common process for obtaining EOs, also provides the possibility to fractionate them. Thus, this study evaluated the in vitro antimicrobial and antioxidant activities of six Az-CJF EO fractions (Frs. 1-6), collected at sequential HD timeframes (HDTs: 0-2, 2-10, 10-30, 30-60, 60-120, and 120-240 min), in comparison to the crude EO, obtained from a non-fractionated HD (0-240 min HDT). Antimicrobial activities were assessed via disc diffusion method against seven bacteria (foodborne and/or human pathogens) and two Penicillium spp. (phytopathogenic fungi), and antioxidant activity was estimated using DPPH and ABTS assays. Concerning the antibacterial activity, all the EO samples were effective only toward Gram-positive bacteria. Fractions 1-3 (<30 min HDT) were the most active, with growth inhibition zones (GIZ) of 7.0-23.3 mm (1.4-2.2 times higher than those of the crude EO), being Bacillus spp. (B. licheniformis and B. subtilis) the most sensitive, followed by Staphylococcus aureus and Micrococcus luteus. Regarding the antifungal activity, Frs. 1-3 also displayed the best activities, but only against P. italicum (GIZ around 9.0 mm), while the crude EO showed no antifungal activity. Overall, the best antimicrobial properties of Frs. 1-3 could be attributed, at least in part, to their highest content in α-pinene and bornyl acetate. On the other hand, Frs. 4-6 (>30 min HDT) exhibited the strongest antioxidant activities (EC50 values: 1.5-2.3 and 1.0-1.7 mg mL-1 for DPPH and ABTS, respectively), being at least 1.3-fold higher than those of the crude EO. The presence of nezukol, elemol, and eudesmol isomers could strongly contribute to the best free radical scavenging properties of Frs. 4-6. In conclusion, HD was found to be an efficient process for obtaining new Az-CJF EO fractions with variable and enhanced bioactivities due to their differential composition, as assessed using GC-MS. Hence, these findings could contribute to increasing the commercial potential of the C. japonica EO industry, namely, the Fr2 and Fr6, which presented the most significant activities and can have potential applications in the food, medical, and agriculture sectors.
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Affiliation(s)
- Filipe Arruda
- Institute of Agricultural and Environmental Research and Technology (IITAA), University of the Azores, 9700-042 Angra do Heroísmo, Portugal; (F.A.); (A.L.); (A.J.); (J.B.)
- Department of Biology (DB), Faculty of Science and Technology, University of the Azores, 9500-321 Ponta Delgada, Portugal; (T.R.); (J.S.R.)
| | - Ana Lima
- Institute of Agricultural and Environmental Research and Technology (IITAA), University of the Azores, 9700-042 Angra do Heroísmo, Portugal; (F.A.); (A.L.); (A.J.); (J.B.)
- Department of Physics, Chemistry and Engineering (DCFQE), Faculty of Science and Technology, University of the Azores, 9500-321 Ponta Delgada, Portugal
| | - Tanner Wortham
- The Perfumery, 621 Park East Blvd., New Albany, IN 47150, USA;
| | - Alexandre Janeiro
- Institute of Agricultural and Environmental Research and Technology (IITAA), University of the Azores, 9700-042 Angra do Heroísmo, Portugal; (F.A.); (A.L.); (A.J.); (J.B.)
- Department of Physics, Chemistry and Engineering (DCFQE), Faculty of Science and Technology, University of the Azores, 9500-321 Ponta Delgada, Portugal
| | - Tânia Rodrigues
- Department of Biology (DB), Faculty of Science and Technology, University of the Azores, 9500-321 Ponta Delgada, Portugal; (T.R.); (J.S.R.)
| | - José Baptista
- Institute of Agricultural and Environmental Research and Technology (IITAA), University of the Azores, 9700-042 Angra do Heroísmo, Portugal; (F.A.); (A.L.); (A.J.); (J.B.)
- Department of Physics, Chemistry and Engineering (DCFQE), Faculty of Science and Technology, University of the Azores, 9500-321 Ponta Delgada, Portugal
| | - José S. Rosa
- Department of Biology (DB), Faculty of Science and Technology, University of the Azores, 9500-321 Ponta Delgada, Portugal; (T.R.); (J.S.R.)
- Biotechnology Centre of Azores (CBA), University of the Azores, 9700-042 Angra do Heroísmo, Portugal
| | - Elisabete Lima
- Institute of Agricultural and Environmental Research and Technology (IITAA), University of the Azores, 9700-042 Angra do Heroísmo, Portugal; (F.A.); (A.L.); (A.J.); (J.B.)
- Department of Physics, Chemistry and Engineering (DCFQE), Faculty of Science and Technology, University of the Azores, 9500-321 Ponta Delgada, Portugal
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9
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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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10
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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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11
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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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12
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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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13
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Ciliberti MG, Albenzio M, Sevi A, Frabboni L, Marino R, Caroprese M. Immunomodulatory Role of Rosmarinus officinalis L., Mentha x piperita L., and Lavandula angustifolia L. Essential Oils in Sheep Peripheral Blood Mononuclear Cells. Vet Sci 2024; 11:157. [PMID: 38668424 PMCID: PMC11054635 DOI: 10.3390/vetsci11040157] [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: 02/07/2024] [Revised: 03/22/2024] [Accepted: 03/27/2024] [Indexed: 04/29/2024] Open
Abstract
Recently, the uses of essential oils (EOs) as rumen modifiers, anti-inflammatory agents, and antioxidants were demonstrated in livestock. In the present study, the role of Mentha x piperita L. (MEO), Rosmarinus officinalis L. (REO), and Lavandula angustifolia L. (LEO) EOs in an in vitro sheep model of inflammation was investigated. With this aim, peripheral blood mononuclear cells (PBMCs) were treated with incremental concentrations (3, 5, 7, and 10%) of each EO to test their effects on cell viability and proliferation and on interleukin (IL)-6, IL-10, and IL-8 secretion. The PBMCs were stimulated by Concanavalin A (ConA) alone or in combination with lipopolysaccharide (LPS) mitogen. The positive and negative controls were represented by PBMCs in the presence or absence, respectively, of mitogens only. The cell viability and proliferation were determined by XTT and BrdU assays, while the cytokines were analyzed by ELISA. The EO treatments did not affect the viability; on the contrary, the PBMC proliferation increased in presence of all the EOs tested, according to the different percentages and mitogens used. The IL-10 secretion was higher in both the REO and the LEO tested at 3% than in the positive control; furthermore, the IL-8 level was influenced differently by the various EOs. The present data demonstrate that EOs may modulate the immune response activated by inflammation.
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Affiliation(s)
- Maria Giovanna Ciliberti
- Department of Agriculture, Food, Natural Resources, and Engineering (DAFNE), University of Foggia, 71122 Foggia, Italy; (M.A.); (A.S.); (L.F.); (R.M.); (M.C.)
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14
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Karadağ A, Biltekin SN, Ghani U, Demirci B, Demirci F. Enzyme-Based Antiviral Potential of Cinnamomum verum J. Presl. Essential Oil and Its Major Component ( E)-Cinnamaldehyde. ACS OMEGA 2024; 9:14118-14122. [PMID: 38559956 PMCID: PMC10975636 DOI: 10.1021/acsomega.3c09595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 01/29/2024] [Accepted: 03/01/2024] [Indexed: 04/04/2024]
Abstract
In the present study, Cinnamomum verum J. Presl. bark essential oil and its main component cinnamaldehyde was evaluated in vitro for neuraminidase (NA), transmembrane serine protease (TMPRSS2), and angiotensin converting enzyme 2 (ACE2) inhibitory activities. The chemical composition of C. verum essential oil was confirmed by both gas chromatography-mass spectrometry (GC/MS), and gas chromatography-flame ionization detection (GC-FID), where 75.9% (E)-cinnamaldehyde was the major component. The ACE2, NA, and TMPRSS2 enzyme inhibitions of C. verum bark essential oil at 20 μg/mL concentration, and (E)-cinnamaldehyde (5 μg/mL) were calculated and compared in the range of 54.2-89.9%. Molecular docking results supported that (E)-cinnam-aldehyde was specific to ACE2 with 89.9% inhibition. Our findings suggest further in vivo studies to confirm the effective and safe use of the essential oil as well as the (E)-cinnamaldehyde.
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Affiliation(s)
- Ayşe
Esra Karadağ
- Department
of Pharmacognosy, School of Pharmacy, Istanbul
Medipol University, 34810 Beykoz, Istanbul, Turkey
| | - Sevde Nur Biltekin
- Department
of Pharmaceutical Microbiology, School of Pharmacy, Istanbul Medipol University, 34810 Beykoz, Istanbul, Turkey
| | - Usman Ghani
- Department
of Pathology, Clinical Biochemistry Unit, College of Medicine, King Saud University, Riyadh 12372, Saudi Arabia
| | - Betül Demirci
- Department
of Pharmacognosy, Faculty of Pharmacy, Anadolu
University, 26470 Eskişehir, Türkiye
| | - Fatih Demirci
- Department
of Pharmacognosy, Faculty of Pharmacy, Anadolu
University, 26470 Eskişehir, Türkiye
- Faculty
of Pharmacy, Eastern Mediterranean University, Mersin 10, 99450 Famagusta, North Cyprus, Türkiye
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15
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Weisany W, Yousefi S, Soufiani SP, Pashang D, McClements DJ, Ghasemlou M. Mesoporous silica nanoparticles: A versatile platform for encapsulation and delivery of essential oils for food applications. Adv Colloid Interface Sci 2024; 325:103116. [PMID: 38430728 DOI: 10.1016/j.cis.2024.103116] [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: 11/21/2023] [Revised: 02/14/2024] [Accepted: 02/17/2024] [Indexed: 03/05/2024]
Abstract
Essential oils (EOs) are biologically active and volatile substances that have found widespread applications in the food, cosmetics, and pharmaceutical industries. However, there are some challenges to their commercial utilization due to their high volatility, susceptibility to degradation, and hydrophobicity. In their free form, EOs can quickly evaporate, as well as undergo degradation reactions like oxidation, isomerization, dehydrogenation, or polymerization when exposed to light, heat, or air. Encapsulating EOs within mesoporous silica nanoparticles (MSNPs) could overcome these limitations and thereby broaden their usage. MSNPs may endow protection and slow-release properties to EOs, thereby extending their stability, enhancing their efficacy, and improving their dispersion in aqueous environments. This review explores and compares the design and development of different MSNP-based nanoplatforms to encapsulate, protect, and release EOs. Initially, a brief overview of the various types of available MSNPs, their properties, and their synthesis methods is given to better understand their roles as carriers for EOs. Several encapsulation technologies are then examined, including solvent-based and solvent-free methods. The suitability of each technology for EO encapsulation, as well as its impact on their stability and release, is discussed in detail. Opportunities and challenges for using EO-loaded MSNPs as preservatives, flavor enhancers, and antimicrobial agents in the food industry are then highlighted. Overall, this review aims to bridge a knowledge gap by providing a thorough understanding of EO encapsulation within MSNPs, which should facilitate the application of this technology in the food industry.
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Affiliation(s)
- Weria Weisany
- Department of Agriculture and Food Science, Science and Research Branch, Islamic Azad University, Tehran, Iran.
| | - Shima Yousefi
- Department of Agriculture and Food Science, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Solmaz Pourbarghi Soufiani
- Department of Agriculture and Food Science, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Danial Pashang
- Department of Agriculture and Food Science, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - David Julian McClements
- Biopolymers & Colloids Research Laboratory, Department of Food Science, University of Massachusetts, Amherst, MA 01003, USA
| | - Mehran Ghasemlou
- School of Science, STEM College, RMIT University, Melbourne, VIC 3083, Australia; Centre for Sustainable Bioproducts, Deakin University, Waurn Ponds, VIC 3216, Australia.
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16
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Amat S, Magossi G, Rakibuzzaman AGM, Holman DB, Schmidt KN, Kosel L, Ramamoorthy S. Screening and selection of essential oils for an intranasal spray against bovine respiratory pathogens based on antimicrobial, antiviral, immunomodulatory, and antibiofilm activities. Front Vet Sci 2024; 11:1360398. [PMID: 38384959 PMCID: PMC10879409 DOI: 10.3389/fvets.2024.1360398] [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: 12/23/2023] [Accepted: 01/26/2024] [Indexed: 02/23/2024] Open
Abstract
Introduction The rise in antibiotic resistant pathogens associated with bovine respiratory disease (BRD) poses a serious challenge, particularly to the beef feedlot industry, as they currently depend on antibiotics to prevent BRD to mitigate the financial burden (approx. $1 billion annual loss) inflicted by BRD-associated high mortality and morbidity in feedlot cattle. Thus, there is an impetus need for the development of antimicrobial alternative strategies against BRD. This study aimed to screen and select candidate essential oils (EOs) for the development of an intranasal EO spray that can inhibit BRD pathogens and promote microbiota-mediated respiratory health. Methods The effects of selected EOs (ajowan, cinnamon leaf, citronella, grapefruit, fennel, and thyme) on a bovine nasopharyngeal microbiota culture were evaluated using 16S rRNA gene sequencing. The microbiota culture was enriched by incubating nasopharyngeal swabs obtained from finishing beef heifers in brain heart infusion broth with and without EOs (0.025%, v/v). These EOs were then also evaluated for their immunomodulatory effects on bovine turbinate (BT) cells by analyzing the concentrations of 15 cytokines and chemokines in cell culture after 24 h incubation. The crystal violet assay was done to assess the antibiofilm activity of EOs against Escherichia coli UMN026 strain. Finally, 15 EOs were screened for their antiviral activity against the bovine viral diarrhea virus 1 (BVDV-1) using BT cells and a fluorescence-based method. Results Ajowan, fennel, and thyme resulted in a moderate reduction of overall nasopharyngeal microbiota growth with significant alterations of both alpha and beta diversity, and the relative abundance of predominant bacterial families (e.g., increasing Enterobacteriaceae and decreasing Moraxellaceae) compared to the control (p < 0.05). Co-incubation of BT cells with selected EOs resulted in minimal alterations in cytokine and chemokine levels (p > 0.05). Ajowan, thyme, fennel, and cinnamon leaf exhibited antibiofilm activity at concentrations of 0.025 and 0.05%. Reduction of BVDV-1 replication in BT cells was observed with thyme (strong), and ajowan and citronella (moderate) at 0.0125% concentration. Discussion Accordingly, ajowan, thyme, fennel, cinnamon leaf, and citronella EOs were selected for further development as an intranasal EO spray to prevent and control of BRD pathogens in feedlot cattle.
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Affiliation(s)
- Samat Amat
- Department of Microbiological Sciences, North Dakota State University, Fargo, ND, United States
| | - Gabriela Magossi
- Department of Microbiological Sciences, North Dakota State University, Fargo, ND, United States
| | - AGM Rakibuzzaman
- Department of Microbiological Sciences, North Dakota State University, Fargo, ND, United States
| | - Devin B. Holman
- Lacombe Research and Development Centre, Agriculture and Agri-Food Canada, Lacombe, AB, Canada
| | - Kaycie N. Schmidt
- Department of Microbiological Sciences, North Dakota State University, Fargo, ND, United States
| | - Luke Kosel
- Department of Biological Sciences, North Dakota State University, Fargo, ND, United States
| | - Sheela Ramamoorthy
- Department of Microbiological Sciences, North Dakota State University, Fargo, ND, United States
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Cassola F, Ramírez N, Ribeiro G, da Silva LHD, Gambero A, de Oliveira ADSS, Vieira PMMDM, Nogueira FAR, Duarte MCT. Synergism Between Essential Oils and Evaluation of Their Activities with a Focus on Malassezia furfur Control. PLANTA MEDICA 2024; 90:111-125. [PMID: 37935353 DOI: 10.1055/a-2196-2087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2023]
Abstract
Seborrheic dermatitis is a chronic inflammatory disease caused by Malassezia yeast species that affects the regions of the body where the sebaceous glands are present. The combined use of different essential oils (EOs) can increase their spectrum of action. Thus, the present study aimed to evaluate the action of EOs alone and in combination with each other on M. furfur, in planktonic and biofilm form, and their anti-inflammatory and mutagenic potential, in addition to the effects on the viability of cells lines. Of the 40 evaluated EOs, 22 showed activity against M. furfur at 0.5 - 2.0 mg/mL concentrations. Among the most active species, a blend of essential oils (BEOs) composed of Cymbopogon martini (Roxb.) Will. Watson (MIC = 0.5 mg/mL) and Mentha × piperita L. (MIC = 1.0 mg/mL) was selected, which showed a synergistic effect against yeast when evaluated through the checkerboard assay. The fungicidal activity was maintained by the addition of anti-inflammatory oil from Varronia curassavica Jacq. to BEOs. The BEOs also showed activity in the inhibition of biofilm formation and in the eradication of the biofilm formed by M. furfur, being superior to the action of fluconazole. Furthermore, it did not show mutagenic potential and did not interfere with the cell viability of both evaluated cell lines (HaCaT and BMDMs). TNF-α levels were reduced only by C. martini; however, this property was maintained when evaluating BEOs. BEOs had no effect on IL-8 levels. Thus, the BEOs may be indicated for alternative treatments against seborrheic dermatitis.
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Affiliation(s)
- Fábio Cassola
- Faculty of Pharmaceutical Science, State University of Campinas, Campinas, Brazil
- Research Center of Chemical, Biological and Agriculture, Paulínia, Brazil
| | - Nedy Ramírez
- Faculty of Pharmaceutical Science, State University of Campinas, Campinas, Brazil
- Research Center of Chemical, Biological and Agriculture, Paulínia, Brazil
| | - Guilherme Ribeiro
- Institute of Biology, State University of Campinas, Campinas, Brazil
| | | | - Alessandra Gambero
- Life Sciences Center, Pontifical Catholic University of Campinas, Campinas, Brazil
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Brożyna M, Dudek B, Kozłowska W, Malec K, Paleczny J, Detyna J, Fabianowska-Majewska K, Junka A. The chronic wound milieu changes essential oils' antibiofilm activity-an in vitro and larval model study. Sci Rep 2024; 14:2218. [PMID: 38278929 PMCID: PMC10817982 DOI: 10.1038/s41598-024-52424-6] [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: 09/26/2023] [Accepted: 01/18/2024] [Indexed: 01/28/2024] Open
Abstract
Essential Oils (EOs) are currently being researched as potential antibiofilm agents to combat infections related to chronic wound biofilms. As documented in the literature, EOs' in vitro antibacterial properties are often assessed using standard microbiological media and conditions that do not accurately reflect the actual environment of a chronic wound. To address this issue, In vitro Wound Milieu (IVWM) medium, which closely resembles the environment of a chronic wound, was applied for culturing S. aureus biofilms (n = 12) in this research. Biofilms cultivated in the standard Tryptic Soy Broth (TSB) medium served as a control for the experiment. Key biofilm features were analyzed and compared. Subsequently, staphylococci were exposed to the activity of thyme or rosemary EOs (T-EO and R-EO, respectively). As proof of concept, the cytotoxicity of T-EO and its antimicrobial in vivo activity were assessed using a G. mellonella larvae model. Key features of biofilm-forming cells were lower in the IVWM than in the TSB medium: biomass (up to 8 times), metabolic activity (up to 9 times), cell number (up to 100 times), and the live/dead cells ratio. Conversely, biofilm thickness was higher (up to 25%) in IVWM. These differences translated into varied responses of the biofilms to EOs exposure. The application of T-EO led to a greater reduction (up to 2 times) in 67% of biofilm-forming strains in IVWM compared to the TSB medium. Conversely, exposure to R-EO resulted in a higher reduction (up to 2.6 times) of 83% of biofilm-forming strains in TSB than in IVWM. The application of T-EO was not only non-toxic to G. mellonella larvae but also increased the survival of larvae infected with staphylococci (from 48 to 85%). Our findings suggest that EOs not only show promise as agents for treating biofilm-related wound infections but also that providing conditions reflecting the specific niche of the human body is of paramount importance in influencing the results obtained. However, before clinical application, challenges related to the methods of assessing their activity, microbial intra-species variability, and different levels of activity of various EOs should be analyzed and standardized.
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Affiliation(s)
- Malwina Brożyna
- Platform for Unique Models Application, Department of Pharmaceutical Microbiology and Parasitology, Wroclaw Medical University, Wroclaw, Poland.
| | - Bartłomiej Dudek
- Platform for Unique Models Application, Department of Pharmaceutical Microbiology and Parasitology, Wroclaw Medical University, Wroclaw, Poland
| | - Weronika Kozłowska
- Division of Pharmaceutical Biotechnology, Department of Pharmaceutical Biology and Biotechnology, Wroclaw Medical University, Wroclaw, Poland
| | - Katarzyna Malec
- Department of Drug Form Technology, Wroclaw Medical University, Wroclaw, Poland
| | - Justyna Paleczny
- Platform for Unique Models Application, Department of Pharmaceutical Microbiology and Parasitology, Wroclaw Medical University, Wroclaw, Poland
| | - Jerzy Detyna
- Department of Mechanics, Materials and Biomedical Engineering, Wroclaw University of Science and Technology, Wroclaw, Poland
| | | | - Adam Junka
- Platform for Unique Models Application, Department of Pharmaceutical Microbiology and Parasitology, Wroclaw Medical University, Wroclaw, Poland
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Magossi G, Schmidt KN, Winders TM, Carlson ZE, Holman DB, Underdahl SR, Swanson KC, Amat S. A single intranasal dose of essential oil spray confers modulation of the nasopharyngeal microbiota and short-term inhibition of Mannheimia in feedlot cattle: a pilot study. Sci Rep 2024; 14:823. [PMID: 38191803 PMCID: PMC10774355 DOI: 10.1038/s41598-023-50704-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Accepted: 12/23/2023] [Indexed: 01/10/2024] Open
Abstract
Five essential oils (EOs) were previously characterized in vitro and identified as candidate EOs for the development of an intranasal EO spray to mitigate bovine respiratory disease (BRD) pathogens. In the present study, these EOs were evaluated for their potential to (i) reduce BRD pathogens, (ii) modulate nasopharyngeal microbiota, and (iii) influence animal performance, feeding behavior and immune response when a single dose administered intranasally to feedlot cattle. Forty beef steer calves (7-8 months old, Initial body weight = 284 ± 5 kg [SE]) received either an intranasal EO spray (ajowan, thyme, fennel, cinnamon leaf, and citronella) or PBS (Control; n = 20/group) on day 0. Deep nasopharyngeal swabs were collected on days (d) -1, 1, 2, 7, 14, 28, and 42 and processed for 16S rRNA gene sequencing, qPCR, and culturing. Significant effects of EO on community structure (d1), microbial richness and diversity, relative abundance of some dominant phyla (d1, d2, and d14), and the overall interaction network structure of the nasopharyngeal microbiota were detected. The relative abundance of Mannheimia was lower in the EO calves (4.34%) than in Control calves (10.4%) on d2, and M. haemolytica prevalence on d7 as compared to control calves. Feed intake, average daily gain, feeding behavior, and blood cell counts were not affected by EO treatment. Overall, a single intranasal dose of EO spray resulted in moderate modulation of nasopharyngeal microbiota and short-term inhibition of Mannheimia while not influencing animal performance, feeding behavior or immune response. Our study, for the first time, shows the potential use of intranasal EO to mitigate BRD in feedlot cattle.
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Affiliation(s)
- Gabriela Magossi
- Department of Microbiological Sciences, North Dakota State University, Fargo, ND, 58108, USA
| | - Kaycie N Schmidt
- Department of Microbiological Sciences, North Dakota State University, Fargo, ND, 58108, USA
| | - Thomas M Winders
- Department of Animal Sciences, North Dakota State University, Fargo, ND, 58102, USA
| | - Zachary E Carlson
- Department of Animal Sciences, North Dakota State University, Fargo, ND, 58102, USA
| | - Devin B Holman
- Lacombe Research and Development Centre, Agriculture and Agri-Food Canada, 6000 C & E Trail, Lacombe, AB, T4L 1W1, Canada
| | - Sarah R Underdahl
- Department of Animal Sciences, North Dakota State University, Fargo, ND, 58102, USA
| | - Kendall C Swanson
- Department of Animal Sciences, North Dakota State University, Fargo, ND, 58102, USA
| | - Samat Amat
- Department of Microbiological Sciences, North Dakota State University, Fargo, ND, 58108, USA.
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20
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Gonzaga BCF, Barrozo MM, Coutinho AL, Pereira E Sousa LJM, Vale FL, Marreto L, Marchesini P, de Castro Rodrigues D, de Souza EDF, Sabatini GA, Costa-Júnior LM, Ferreira LL, Lopes WDZ, Monteiro C. Essential oils and isolated compounds for tick control: advances beyond the laboratory. Parasit Vectors 2023; 16:415. [PMID: 37964392 PMCID: PMC10647118 DOI: 10.1186/s13071-023-05969-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Accepted: 09/12/2023] [Indexed: 11/16/2023] Open
Abstract
BACKGROUND Tick control is a worldwide challenge due to its resistance to acaricides. Essential oils (EOs) and isolated compounds (EOCs) are potential alternatives for tick control technologies. METHODS A review with EOs and EOCs, under field and semi-field conditions, was performed based on Scopus, Web of Science and PubMed databases. Thirty-one studies published between 1991 and 2022 were selected. The search was performed using the following keywords: "essential oil" combined with "tick," "Ixodes," "Argas," "Rhipicephalus," "Amblyomma," "Hyalomma," "Dermacentor," "Haemaphysalis" and "Ornithodoros." The words "essential oil" and "tick" were searched in the singular and plural. RESULTS The number of studies increased over the years. Brazil stands out with the largest number (51.6%) of publications. The most studied tick species were Rhipicephalus microplus (48.4%), Ixodes scapularis (19.4%), Amblyomma americanum and R. sanguineus sensu lato (9.7% each). Cattle (70%) and dogs (13%) were the main target animal species. Regarding the application of EOs/EOCs formulations, 74% of the studies were conducted with topical application (spray, pour-on, foam, drop) and 26% with environmental treatment (spray). Efficacy results are difficult to evaluate because of the lack of information on the methodology and standardization. The nanotechnology and combination with synthetic acaricides were reported as an alternative to enhance the efficacy of EOs/EOCs. No adverse reactions were observed in 86.6% of the studies evaluating EOs/EOCs clinical safety. Studies regarding toxicity in non-target species and residues are scarce. CONCLUSIONS This article provides a comprehensive review on the use of EOs and EOCs to reduce tick infestations, in both the hosts and the environment. As future directions, we recommend the chemical characterization of EOs, methodology standardization, combination of EOs/EOCs with potential synergists, nanotechnology for new formulations and safety studies for target and non-target organisms, also considering the environmental friendliness.
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Affiliation(s)
- Bruno César Ferreira Gonzaga
- Programa de Pós-graduação em Ciência Animal - Escola de Veterinária e Zootecnia, Universidade Federal de Goiás, Rodovia Goiânia - Nova Veneza, Km 8, Campus Samambaia, Goiânia, GO, 74690-900, Brasil
- Faculdade de Medicina, Universidade Federal de Goiás, Campus Colemar Natal e Silva, Rua 235, s/n, Setor Leste Universitário, Goiânia, GO, 74605-050, Brasil
| | - Mayara Macêdo Barrozo
- Programa de Pós-graduação em Ciência Animal - Escola de Veterinária e Zootecnia, Universidade Federal de Goiás, Rodovia Goiânia - Nova Veneza, Km 8, Campus Samambaia, Goiânia, GO, 74690-900, Brasil
| | - Ana Lúcia Coutinho
- Programa de Pós-graduação em Ciência Animal - Escola de Veterinária e Zootecnia, Universidade Federal de Goiás, Rodovia Goiânia - Nova Veneza, Km 8, Campus Samambaia, Goiânia, GO, 74690-900, Brasil
| | - Lainny Jordana Martins Pereira E Sousa
- Programa de Pós-graduação em Ciência Animal - Escola de Veterinária e Zootecnia, Universidade Federal de Goiás, Rodovia Goiânia - Nova Veneza, Km 8, Campus Samambaia, Goiânia, GO, 74690-900, Brasil
| | - Francisca Letícia Vale
- Programa de Pós-graduação em Ciência Animal - Escola de Veterinária e Zootecnia, Universidade Federal de Goiás, Rodovia Goiânia - Nova Veneza, Km 8, Campus Samambaia, Goiânia, GO, 74690-900, Brasil
| | - Laís Marreto
- Programa de Pós-Graduação em Ciências Farmacêuticas - Faculdade de Farmácia, Universidade Federal de Goiás, Praça Universitária, no. 1166, Setor Universitário, Goiânia, GO, 74605-220, Brasil
| | - Paula Marchesini
- Programa de Pós-graduação em Ciência Animal - Escola de Veterinária e Zootecnia, Universidade Federal de Goiás, Rodovia Goiânia - Nova Veneza, Km 8, Campus Samambaia, Goiânia, GO, 74690-900, Brasil
| | | | | | | | - Lívio Martins Costa-Júnior
- Centro de Pesquisas do CCBS, Universidade Federal do Maranhão, Avenida dos Portugueses, no. 1966, São Luís, MA, 65080-805, Brasil
| | - Lorena Lopes Ferreira
- Departamento de Medicina Veterinária Preventiva - Escola de Veterinária, Universidade Federal de Minas Gerais, Av. Antônio Carlos, no. 6627, Campus Pampulha, Belo Horizonte, MG, 31270-901, Brasil
| | - Welber Daniel Zanetti Lopes
- Programa de Pós-graduação em Ciência Animal - Escola de Veterinária e Zootecnia, Universidade Federal de Goiás, Rodovia Goiânia - Nova Veneza, Km 8, Campus Samambaia, Goiânia, GO, 74690-900, Brasil
- Departamento de Biociências e Tecnologia - Instituto de Patologia Tropical e de Saúde Pública, Universidade Federal de Goiás-, Campus Colemar Natal e Silva - Rua 235, s/n - Setor Leste Universitário, Goiânia, GO, 74605-050, Brasil
| | - Caio Monteiro
- Programa de Pós-graduação em Ciência Animal - Escola de Veterinária e Zootecnia, Universidade Federal de Goiás, Rodovia Goiânia - Nova Veneza, Km 8, Campus Samambaia, Goiânia, GO, 74690-900, Brasil.
- Departamento de Biociências e Tecnologia - Instituto de Patologia Tropical e de Saúde Pública, Universidade Federal de Goiás-, Campus Colemar Natal e Silva - Rua 235, s/n - Setor Leste Universitário, Goiânia, GO, 74605-050, Brasil.
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Kachkoul R, Benjelloun Touimi G, Bennani B, El Mouhri G, El Habbani R, Zouhri A, El-Mernissi Y, Lahrichi A. Optimisation of Three Essential Oils against Salmonella spp. and Escherichia coli by Mixture Designa. Chem Biodivers 2023; 20:e202301221. [PMID: 37783668 DOI: 10.1002/cbdv.202301221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 09/28/2023] [Accepted: 10/01/2023] [Indexed: 10/04/2023]
Abstract
The aim of this work is to optimise the antibacterial activity of essential oils (EOs) from Eucalyptus camaldulensis (ECEO), Mentha pulegium (MPEO) and Rosmarinus officinalis (ROEO) plants against Salmonella spp. and Escherichia coli. The qualitative antimicrobial effect was assessed using the disc diffusion method, the broth microdilution method was used to determine the minimum inhibitory concentrations (MIC). Polynomial models were created using an augmented centroid simplex mixture design to highlight the synergy of EOs. The results show a significant antibacterial effect of ECEO and MPEO against both bacterial strains, with inhibition zones (IZs) of 13 and 12 mm respectively against E. coli, and 13 and 11 mm against Salmonella spp. The latter strain showed a MIC of 0.625 % (v : v) by the ECEO, while E. coli exhibited a MIC of 0.0781 % (v : v). The binary combinations of essential oils display a synergistic effect, the proportions of the optimum EOs in the mixture giving the lowest MICm were of the order of 50.51 % ECEO and 49.49 % ROEO against Salmonella spp. and around 50 % MPEO and 50 % ECEO against E. coli. These results indicate the effectiveness of binary combinations EOs against resistant bacterial strains and suggest their importance in bacterial infections treatment.
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Affiliation(s)
- Rabie Kachkoul
- Laboratory of Biochemistry, Faculty of Medicine, Pharmacy and Dental Medicine, University Sidi Mohammed Ben Abdellah, BP, 1893, Km 22, Road of Sidi Harazem, Fez, Morocco
| | - Ghita Benjelloun Touimi
- Laboratory of Human Pathology Biomedicine and Environment, Faculty of Medicine, Pharmacy and Dental Medicine, University Sidi Mohammed Ben Abdellah, BP, 1893, Km 22, Road of Sidi Harazem, Fez, Morocco
- Euromed research center, Euromed faculty of medicine, Euromed University of Fes (UEMF), 30 030, Meknes Road, Campus UEMF, BP51, Fez, Morocco
| | - Bahia Bennani
- Laboratory of Human Pathology Biomedicine and Environment, Faculty of Medicine, Pharmacy and Dental Medicine, University Sidi Mohammed Ben Abdellah, BP, 1893, Km 22, Road of Sidi Harazem, Fez, Morocco
| | - Ghita El Mouhri
- Laboratory of Biochemistry, Faculty of Medicine, Pharmacy and Dental Medicine, University Sidi Mohammed Ben Abdellah, BP, 1893, Km 22, Road of Sidi Harazem, Fez, Morocco
| | - Radouane El Habbani
- Laboratory of Biochemistry, Faculty of Medicine, Pharmacy and Dental Medicine, University Sidi Mohammed Ben Abdellah, BP, 1893, Km 22, Road of Sidi Harazem, Fez, Morocco
| | - Aziz Zouhri
- Bioactives and Environmental Health Laboratory, Faculty of Sciences, Moulay Ismail University, Meknes B.P., 11201, Morocco
| | - Yahya El-Mernissi
- Research unit in applied chemistry, Faculty of Science and Techniques, Abdelmalek Essaadi University, Al Hoceima 32003, Morocco
| | - Anissa Lahrichi
- Laboratory of Biochemistry, Faculty of Medicine, Pharmacy and Dental Medicine, University Sidi Mohammed Ben Abdellah, BP, 1893, Km 22, Road of Sidi Harazem, Fez, Morocco
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Septama AW, Yuandani Y, Khairunnisa NA, Nasution HR, Utami DS, Kristiana R, Jantan I. Antibacterial, bacteriolytic, antibiofilm, and synergistic effects of the peel oils of Citrus microcarpa and Citrus x amblycarpa with tetracycline against foodborne Escherichia coli. Lett Appl Microbiol 2023; 76:ovad126. [PMID: 37898554 DOI: 10.1093/lambio/ovad126] [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: 09/08/2023] [Revised: 10/19/2023] [Accepted: 10/27/2023] [Indexed: 10/30/2023]
Abstract
Citrus essential oils (EOs) have shown significant antibacterial activity. The present study was undertaken to evaluate the antibacterial activity of the peel oils of Citrus microcarpa and C. x amblycarpa against Escherichia coli. The minimum inhibition concentration (MIC) was determined by using the broth microdilution assay. The checkerboard method was used to identify synergistic effects of the EOs with tetracycline, while bacteriolysis was assessed by calculating the optical density of the bacterial supernatant, crystal violet assay was used to assess their antibiofilm. Ethidium bromide accumulation test was employed to assess efflux pump inhibition. Electron microscope analysis was performed to observe its morphological changes. The EOs of C. microcarpa and C. x amblycarpa were found to contain D-limonene major compound at 55.78% and 46.7%, respectively. Citrus microcarpa EOs exhibited moderate antibacterial against E. coli with a MIC value of 200 μg/mL. The combination of C. microcarpa oil (7.8 μg/mL) and tetracycline (62.5 μg/mL) exhibited a synergy with FICI of 0.5. This combination inhibited biofilm formation and disrupt bacterial cell membranes. Citrus microcarpa EOs blocked the efflux pumps in E. coli. Citrus microcarpa EOs demonstrated promising antibacterial activity, which can be further explored for the development of drugs to combat E. coli.
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Affiliation(s)
- Abdi W Septama
- Research Center for Pharmaceutical Ingredient and Traditional Medicine, National Research and Innovation Agency (BRIN), Kawasan PUSPIPTEK Serpong, Tangerang Selatan, Banten 15314, Indonesia
| | - Yuandani Yuandani
- Department of Pharmacology, Faculty of Pharmacy, Universitas Sumatera Utara, Medan, Indonesia
| | - Nur A Khairunnisa
- Department of Pharmacology, Faculty of Pharmacy, Universitas Sumatera Utara, Medan, Indonesia
| | - Halimah R Nasution
- Department of Pharmacology, Faculty of Pharmacy, Universitas Sumatera Utara, Medan, Indonesia
| | - Dinda S Utami
- Department of Pharmacology, Faculty of Pharmacy, Universitas Sumatera Utara, Medan, Indonesia
| | - Rhesi Kristiana
- Marine Education and Research Organisation (MERO) Foundation. Br. Dinas Muntig, Kara 80853ngasem, Bali , Indonesia
| | - Ibrahim Jantan
- Institute of Systems Biology (INBIOSIS), Universiti Kebangsaan Malaysia, Bangi, Malaysia
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Eldin AB, Ezzat M, Afifi M, Sabry O, Caprioli G. Herbal medicine: the magic way crouching microbial resistance. Nat Prod Res 2023; 37:4280-4289. [PMID: 36719419 DOI: 10.1080/14786419.2023.2172009] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Accepted: 01/15/2023] [Indexed: 02/01/2023]
Abstract
Bacterial resistance to antibiotics poses a high level of danger worldwide. Bacterial resistance mechanisms are spreading globally, impeding our ability to treat common infectious diseases. Misuse and overuse of antibiotics accelerate microbial resistance to antibiotics. Despite the exerted efforts, none of the newly developed antibiotics are expected to be effective against the dangerous forms of antibiotic-resistant bacteria. Since many plants have been shown to contain powerful antimicrobial compounds that can act synergistically or alternatively to antibiotics, the demand for herbal medicines has recently increased to co-treat microbes that are resistant to antibiotics. Maximum benefit can be achieved when the pharmacokinetics and pharmacodynamics of natural products match the antibiotic. This review article refers to nine highly effective and key herbs to use alongside antibiotics to overcome crises of antibiotic resistance. Their unique molecular mechanisms of action have been highlighted.
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Affiliation(s)
- Alaa Badr Eldin
- Pharmacognosy Department, Faculty of Pharmacy, MIU, Cairo, Egypt
| | - Marwa Ezzat
- Pharmacognosy Department, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Manal Afifi
- Pharmacognosy Department, Faculty of Pharmacy, MIU, Cairo, Egypt
| | - Omar Sabry
- Pharmacognosy Department, Faculty of Pharmacy, Cairo University, Cairo, Egypt
- Pharmacognosy Department, Faculty of Pharmacy, Heliopolis University, Cairo, Egypt
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Merino N, Berdejo D, Pagán E, Girard C, Kerros S, Spinozzi E, Pagán R, García-Gonzalo D. Phenotypic and Genotypic Comparison of Antimicrobial-Resistant Variants of Escherichia coli and Salmonella Typhimurium Isolated from Evolution Assays with Antibiotics or Commercial Products Based on Essential Oils. Pharmaceuticals (Basel) 2023; 16:1443. [PMID: 37895914 PMCID: PMC10610042 DOI: 10.3390/ph16101443] [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: 09/14/2023] [Revised: 10/06/2023] [Accepted: 10/07/2023] [Indexed: 10/29/2023] Open
Abstract
On account of the widespread development and propagation of antimicrobial-resistant (AMR) bacteria, essential oils (EOs) have emerged as potential alternatives to antibiotics. However, as already observed for antibiotics, recent studies have raised concerns regarding the potential emergence of resistant variants (RVs) to EOs. In this study, we assessed the emergence of RVs in Escherichia coli and Salmonella enterica Typhimurium after evolution assays under extended exposure to subinhibitory doses of two commercial EOs (AEN and COLIFIT) as well as to two antibiotics (amoxicillin and colistin). Phenotypic characterization of RVs from evolution assays with commercial EOs yielded no relevant increases in the minimum inhibitory concentration (MIC) of E. coli and did not even modify MIC values in S. Typhimurium. Conversely, RVs of E. coli and S. Typhimurium isolated from evolution assays with antibiotics showed increased resistance. Genotypic analysis demonstrated that resistance to commercial EOs was associated with enhanced protection against oxidative stress and redirection of cell energy toward efflux activity, while resistance to antibiotics was primarily linked to modifications in the cell binding sites of antibiotics. These findings suggest that AEN and COLIFIT could serve as safe alternatives to antibiotics in combating the emergence and dissemination of antimicrobial resistance within the agrifood system.
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Affiliation(s)
- Natalia Merino
- Departamento de Producción Animal y Ciencia de los Alimentos, Facultad de Veterinaria, Instituto Agroalimentario de Aragón-IA2 (Universidad de Zaragoza-CITA), 50013 Zaragoza, Spain
| | - Daniel Berdejo
- Departamento de Producción Animal y Ciencia de los Alimentos, Facultad de Veterinaria, Instituto Agroalimentario de Aragón-IA2 (Universidad de Zaragoza-CITA), 50013 Zaragoza, Spain
| | - Elisa Pagán
- Departamento de Producción Animal y Ciencia de los Alimentos, Facultad de Veterinaria, Instituto Agroalimentario de Aragón-IA2 (Universidad de Zaragoza-CITA), 50013 Zaragoza, Spain
| | | | | | - Eleonora Spinozzi
- Chemistry Interdiscplinary Project (ChIP), School of Pharmacy, University of Camerino, 62032 Camerino, Italy
| | - Rafael Pagán
- Departamento de Producción Animal y Ciencia de los Alimentos, Facultad de Veterinaria, Instituto Agroalimentario de Aragón-IA2 (Universidad de Zaragoza-CITA), 50013 Zaragoza, Spain
| | - Diego García-Gonzalo
- Departamento de Producción Animal y Ciencia de los Alimentos, Facultad de Veterinaria, Instituto Agroalimentario de Aragón-IA2 (Universidad de Zaragoza-CITA), 50013 Zaragoza, Spain
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Coelho MG, da Silva AP, de Toledo AF, Cezar AM, Tomaluski CR, Barboza RDF, Júnior GFV, Manzano RP, Bittar CMM. Essential oil blend supplementation in the milk replacer of dairy calves: Performance and health. PLoS One 2023; 18:e0291038. [PMID: 37788273 PMCID: PMC10547158 DOI: 10.1371/journal.pone.0291038] [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: 03/22/2023] [Accepted: 08/18/2023] [Indexed: 10/05/2023] Open
Abstract
Supplementation of dairy calves with essential oils in the liquid diet can reduce the incidence and severity of infectious diseases and promote better performance. Our objective was to evaluate an essential oil blend containing peppermint, eucalyptus, and menthol crystals and its effect on performance and health during the pre and postweaning period of dairy calves. At birth, 40 dairy calves (34 males and 6 females) were blocked according to sex and birth weight, randomly assigned to one of two treatments-commercial milk replacer diluted at 14% (MR) and the same liquid diet plus essential oil blend (MREO) at a dose of 4 mL per calf per day, divided into two meals during the first 28 days of life. Calves were individually housed and fed 6 L/d of the liquid diet, divided into two meals, and received starter concentrate and water ad libitum. Weaning was gradually reduced by 1L per day at d 51 until complete weaning at 56 days. After weaning, calves were evaluated until 70 days of age, when the experimental period ended. Intake, fecal, and health scores were evaluated daily, weight and body measures were recorded weekly, and blood parameters were evaluated at weeks 1, 2, 3, 4, and 8. Calves fed MREO tended to have higher total dry matter intake during the preweaning period. Furthermore, MREO calves had lower health scores and fewer days with a health score ≥ 4 (suggestive of bronchopneumonia), tended to lower coughing days and fewer veterinary interventions preweaning, and tended to lower health scores postweaning. The supplementation with a blend of essential oils containing peppermint, eucalyptus, and menthol crystals can reduce respiratory problems. Further studies are needed to investigate the dose and the supplementation period.
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Affiliation(s)
- Marina G. Coelho
- Department of Animal Science, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, São Paulo, Brazil
| | - Ana Paula da Silva
- Department of Animal Science, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, São Paulo, Brazil
| | - Ariany F. de Toledo
- Department of Animal Science, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, São Paulo, Brazil
| | - Amanda M. Cezar
- Department of Animal Science, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, São Paulo, Brazil
| | - Cristiane R. Tomaluski
- Department of Animal Science, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, São Paulo, Brazil
| | - Rayane D. F. Barboza
- Department of Animal Science, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, São Paulo, Brazil
| | - Gercino F. Virginio Júnior
- Minas Gerais Agricultural Research Agency, Experimental Field of Montes Claros, Montes Claros, Minas Gerais, Brazil
| | | | - Carla M. M. Bittar
- Department of Animal Science, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, São Paulo, Brazil
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26
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Sánchez-Quintero MJ, Delgado J, Martín Chaves L, Medina-Vera D, Murri M, Becerra-Muñoz VM, Estévez M, Crespo-Leiro MG, Paz López G, González-Jiménez A, A. G. Ranea J, Queipo-Ortuño MI, Plaza-Andrades I, Rodríguez-Capitán J, Pavón-Morón FJ, Jiménez-Navarro MF. Multi-Omics Approach Reveals Prebiotic and Potential Antioxidant Effects of Essential Oils from the Mediterranean Diet on Cardiometabolic Disorder Using Humanized Gnotobiotic Mice. Antioxidants (Basel) 2023; 12:1643. [PMID: 37627638 PMCID: PMC10451832 DOI: 10.3390/antiox12081643] [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: 07/19/2023] [Revised: 08/14/2023] [Accepted: 08/17/2023] [Indexed: 08/27/2023] Open
Abstract
Essential oils sourced from herbs commonly used in the Mediterranean diet have demonstrated advantageous attributes as nutraceuticals and prebiotics within a model of severe cardiometabolic disorder. The primary objective of this study was to assess the influences exerted by essential oils derived from thyme (Thymus vulgaris) and oregano (Origanum vulgare) via a comprehensive multi-omics approach within a gnotobiotic murine model featuring colonic microbiota acquired from patients diagnosed with coronary artery disease (CAD) and type-2 diabetes mellitus (T2DM). Our findings demonstrated prebiotic and potential antioxidant effects elicited by these essential oils. We observed a substantial increase in the relative abundance of the Lactobacillus genus in the gut microbiota, accompanied by higher levels of short-chain fatty acids and a reduction in trimethylamine N-oxide levels and protein oxidation in the plasma. Moreover, functional enrichment analysis of the cardiac tissue proteome unveiled an over-representation of pathways related to mitochondrial function, oxidative stress, and cardiac contraction. These findings provide compelling evidence of the prebiotic and antioxidant actions of thyme- and oregano-derived essential oils, which extend to cardiac function. These results encourage further investigation into the promising utility of essential oils derived from herbs commonly used in the Mediterranean diet as potential nutraceutical interventions for mitigating chronic diseases linked to CAD and T2DM.
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Grants
- PI-0170-2018, PI-0131/2020, and PI-0245-2021 Consejería de Salud y Familias-Junta de Andalucía and European Regional Development Funds/European Social Fund
- UMA20-FEDERJA-074 Universidad de Málaga, Consejería de Economía, Conocimiento, Empresas y Universidad-Junta de Andalucía and ERDF/ESF
- ProyExcel_01009 Consejería de Transformación Económica, Industria, Conocimiento y Universidades-Junta de Andalucía and ERDF/ESF
- SEC/FEC-INV-BAS 23 Sociedad Española de Cardiología and Fundación Andaluza de Cardiología
- PT20/00101 Instituto de Salud Carlos III, Ministerio de Ciencia e Innovación-Gobierno de España
- CB16/11/00360 CIBERCV-Instituto de Salud Carlos III, Ministerio de Ciencia e Innovación-Gobierno de España and ERDF/ESF
- Q-2918001-E Cátedra de Terapias Avanzadas en Patología Cardiovascular, Universidad de Málaga
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Affiliation(s)
- María José Sánchez-Quintero
- Biomedical Research Institute of Malaga and Nanomedicine Platform (IBIMA Plataforma BIONAND), 29590 Málaga, Spain; (M.J.S.-Q.); (L.M.C.); (D.M.-V.); (M.M.); (V.M.B.-M.); (M.I.Q.-O.); (I.P.-A.); (M.F.J.-N.)
- Heart Area, Hospital Universitario Virgen de la Victoria, 29010 Málaga, Spain
- Biomedical Research Network Center for Cardiovascular Diseases (CIBERCV), Instituto de Salud Carlos III, 28029 Madrid, Spain;
| | - Josué Delgado
- Higiene y Salud Alimentaria, Faculty of Veterinary, University of Extremadura, 10003 Cáceres, Spain;
- Instituto Universitario de Investigación de Carne y Productos Cárnicos (IPROCAR), University of Extremadura, 10003 Cáceres, Spain;
| | - Laura Martín Chaves
- Biomedical Research Institute of Malaga and Nanomedicine Platform (IBIMA Plataforma BIONAND), 29590 Málaga, Spain; (M.J.S.-Q.); (L.M.C.); (D.M.-V.); (M.M.); (V.M.B.-M.); (M.I.Q.-O.); (I.P.-A.); (M.F.J.-N.)
- Heart Area, Hospital Universitario Virgen de la Victoria, 29010 Málaga, Spain
- Department of Dermatology and Medicine, Faculty of Medicine, University of Málaga, 29010 Málaga, Spain
| | - Dina Medina-Vera
- Biomedical Research Institute of Malaga and Nanomedicine Platform (IBIMA Plataforma BIONAND), 29590 Málaga, Spain; (M.J.S.-Q.); (L.M.C.); (D.M.-V.); (M.M.); (V.M.B.-M.); (M.I.Q.-O.); (I.P.-A.); (M.F.J.-N.)
- Heart Area, Hospital Universitario Virgen de la Victoria, 29010 Málaga, Spain
- Biomedical Research Network Center for Cardiovascular Diseases (CIBERCV), Instituto de Salud Carlos III, 28029 Madrid, Spain;
- Department of Dermatology and Medicine, Faculty of Medicine, University of Málaga, 29010 Málaga, Spain
- Clinical Management Unit of Mental Health, Hospital Regional Universitario de Málaga, 29010 Málaga, Spain
| | - Mora Murri
- Biomedical Research Institute of Malaga and Nanomedicine Platform (IBIMA Plataforma BIONAND), 29590 Málaga, Spain; (M.J.S.-Q.); (L.M.C.); (D.M.-V.); (M.M.); (V.M.B.-M.); (M.I.Q.-O.); (I.P.-A.); (M.F.J.-N.)
- Heart Area, Hospital Universitario Virgen de la Victoria, 29010 Málaga, Spain
- Clinical Management Unit of Endocrinology and Nutrition, Hospital Universitario Virgen de la Victoria, 29010 Málaga, Spain
- Biomedical Research Network Center for the Physiopathology of Obesity and Nutrition (CIBEROBN), Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Víctor M. Becerra-Muñoz
- Biomedical Research Institute of Malaga and Nanomedicine Platform (IBIMA Plataforma BIONAND), 29590 Málaga, Spain; (M.J.S.-Q.); (L.M.C.); (D.M.-V.); (M.M.); (V.M.B.-M.); (M.I.Q.-O.); (I.P.-A.); (M.F.J.-N.)
- Heart Area, Hospital Universitario Virgen de la Victoria, 29010 Málaga, Spain
- Biomedical Research Network Center for Cardiovascular Diseases (CIBERCV), Instituto de Salud Carlos III, 28029 Madrid, Spain;
| | - Mario Estévez
- Instituto Universitario de Investigación de Carne y Productos Cárnicos (IPROCAR), University of Extremadura, 10003 Cáceres, Spain;
| | - María G. Crespo-Leiro
- Biomedical Research Network Center for Cardiovascular Diseases (CIBERCV), Instituto de Salud Carlos III, 28029 Madrid, Spain;
- Service of Cardiology, Complexo Hospitalario Universitario A Coruña (CHUAC), University of A Coruña, Instituto Investigación Biomédica A Coruña (INIBIC), 15006 A Coruña, Spain
| | - Guillermo Paz López
- Bioinformatics, Common Support Structures (ECAI), IBIMA Plataforma BIONAND, 29590 Málaga, Spain; (G.P.L.); (A.G.-J.); (J.A.G.R.)
| | - Andrés González-Jiménez
- Bioinformatics, Common Support Structures (ECAI), IBIMA Plataforma BIONAND, 29590 Málaga, Spain; (G.P.L.); (A.G.-J.); (J.A.G.R.)
| | - Juan A. G. Ranea
- Bioinformatics, Common Support Structures (ECAI), IBIMA Plataforma BIONAND, 29590 Málaga, Spain; (G.P.L.); (A.G.-J.); (J.A.G.R.)
- Department of Molecular Biology and Biochemistry, Faculty of Science, University of Málaga, 29010 Málaga, Spain
- CIBER of Rare Diseases (CIBERER), Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - María Isabel Queipo-Ortuño
- Biomedical Research Institute of Malaga and Nanomedicine Platform (IBIMA Plataforma BIONAND), 29590 Málaga, Spain; (M.J.S.-Q.); (L.M.C.); (D.M.-V.); (M.M.); (V.M.B.-M.); (M.I.Q.-O.); (I.P.-A.); (M.F.J.-N.)
- Intercenter Clinical Management Unit of Medical Oncology, Hospitales Universitarios Regional y Virgen de la Victoria y Centro de Investigaciones Médico Sanitarias (CIMES), 29010 Málaga, Spain
- Department of Surgical Specialties, Biochemistry, and Immunology, Faculty of Medicine, University of Málaga, 29010 Málaga, Spain
| | - Isaac Plaza-Andrades
- Biomedical Research Institute of Malaga and Nanomedicine Platform (IBIMA Plataforma BIONAND), 29590 Málaga, Spain; (M.J.S.-Q.); (L.M.C.); (D.M.-V.); (M.M.); (V.M.B.-M.); (M.I.Q.-O.); (I.P.-A.); (M.F.J.-N.)
- Intercenter Clinical Management Unit of Medical Oncology, Hospitales Universitarios Regional y Virgen de la Victoria y Centro de Investigaciones Médico Sanitarias (CIMES), 29010 Málaga, Spain
| | - Jorge Rodríguez-Capitán
- Biomedical Research Institute of Malaga and Nanomedicine Platform (IBIMA Plataforma BIONAND), 29590 Málaga, Spain; (M.J.S.-Q.); (L.M.C.); (D.M.-V.); (M.M.); (V.M.B.-M.); (M.I.Q.-O.); (I.P.-A.); (M.F.J.-N.)
- Heart Area, Hospital Universitario Virgen de la Victoria, 29010 Málaga, Spain
- Biomedical Research Network Center for Cardiovascular Diseases (CIBERCV), Instituto de Salud Carlos III, 28029 Madrid, Spain;
| | - Francisco Javier Pavón-Morón
- Biomedical Research Institute of Malaga and Nanomedicine Platform (IBIMA Plataforma BIONAND), 29590 Málaga, Spain; (M.J.S.-Q.); (L.M.C.); (D.M.-V.); (M.M.); (V.M.B.-M.); (M.I.Q.-O.); (I.P.-A.); (M.F.J.-N.)
- Heart Area, Hospital Universitario Virgen de la Victoria, 29010 Málaga, Spain
- Biomedical Research Network Center for Cardiovascular Diseases (CIBERCV), Instituto de Salud Carlos III, 28029 Madrid, Spain;
| | - Manuel F. Jiménez-Navarro
- Biomedical Research Institute of Malaga and Nanomedicine Platform (IBIMA Plataforma BIONAND), 29590 Málaga, Spain; (M.J.S.-Q.); (L.M.C.); (D.M.-V.); (M.M.); (V.M.B.-M.); (M.I.Q.-O.); (I.P.-A.); (M.F.J.-N.)
- Heart Area, Hospital Universitario Virgen de la Victoria, 29010 Málaga, Spain
- Biomedical Research Network Center for Cardiovascular Diseases (CIBERCV), Instituto de Salud Carlos III, 28029 Madrid, Spain;
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Adaszyńska-Skwirzyńska M, Zych S, Bucław M, Majewska D, Dzięcioł M, Szczerbińska D. Evaluation of the Antibacterial Activity of Gentamicin in Combination with Essential Oils Isolated from Different Cultivars and Morphological Parts of Lavender ( Lavandula angustifolia Mill.) against Selected Bacterial Strains. Molecules 2023; 28:5781. [PMID: 37570751 PMCID: PMC10421019 DOI: 10.3390/molecules28155781] [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: 06/27/2023] [Revised: 07/26/2023] [Accepted: 07/27/2023] [Indexed: 08/13/2023] Open
Abstract
The aim of the study was to investigate the antibacterial effects of essential oils isolated from different cultivars and morphological parts of lavender (Lavandula angustifolia Mill.) in combination with the aminoglycoside antibiotic gentamicin. This in vitro study analyzed the effectiveness of the combinations of gentamicin and lavender essential oils against the following strains: Staphylococcus aureus ATCC 25923, Staphylococcus aureus MRSA and Pseudomonas aeruginosa ATCC 9027. The effect of the combination of lavender oils with gentamicin was tested using the checkerboard method. A synergistic effect against S. aureus strain ATCC 25923 was found when gentamicin was combined with lavender essential oils isolated from flowers and leafy stalks (flowers: 'Blue River' FICI-0.192; 'Ellagance Purple' FICI-0.288; leafy stalks: 'Blue River' FICI-0.192; 'Ellagance Purple' FICI-0.320). A synergistic effect was also observed for the combination of gentamicin with lavender essential oils from flowers against the resistant strain of S. aureus (MRSA) ('Blue River' FICI-0,191; 'Ellagance Purple' FICI-0.263), as well as for the essential oils from leafy stalks ('Blue River' FICI-0.076; 'Ellagance Purple' FICI-0.089). No interaction was observed for the combination of studied essential oils with gentamicin against P. aeruginosa strain ATCC 9027 (FICI = 1.083-1.300).
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Affiliation(s)
- Michalina Adaszyńska-Skwirzyńska
- Department of Monogastric Animal Sciences, Faculty of Biotechnology and Animal Husbandry, West Pomeranian University of Technology in Szczecin, Janickiego Str. 29, 71-270 Szczecin, Poland; (M.B.); (D.M.); (D.S.)
| | - Sławomir Zych
- Laboratory of Chromatography and Mass Spectrometry, Faculty of Biotechnology and Animal Husbandry, West Pomeranian University of Technology in Szczecin, Janickiego Str. 29, 71-270 Szczecin, Poland;
| | - Mateusz Bucław
- Department of Monogastric Animal Sciences, Faculty of Biotechnology and Animal Husbandry, West Pomeranian University of Technology in Szczecin, Janickiego Str. 29, 71-270 Szczecin, Poland; (M.B.); (D.M.); (D.S.)
| | - Danuta Majewska
- Department of Monogastric Animal Sciences, Faculty of Biotechnology and Animal Husbandry, West Pomeranian University of Technology in Szczecin, Janickiego Str. 29, 71-270 Szczecin, Poland; (M.B.); (D.M.); (D.S.)
| | - Małgorzata Dzięcioł
- Department of Chemical Organic Technology and Polymeric Materials, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology in Szczecin, Piastów Ave. 42, 71-065 Szczecin, Poland;
| | - Danuta Szczerbińska
- Department of Monogastric Animal Sciences, Faculty of Biotechnology and Animal Husbandry, West Pomeranian University of Technology in Szczecin, Janickiego Str. 29, 71-270 Szczecin, Poland; (M.B.); (D.M.); (D.S.)
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28
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Piasecki B, Korona-Głowniak I, Kiełtyka-Dadasiewicz A, Ludwiczuk A. Composition and Anti- Helicobacter pylori Properties of Essential Oils Obtained from Selected Mentha Cultivars. Molecules 2023; 28:5690. [PMID: 37570659 PMCID: PMC10420633 DOI: 10.3390/molecules28155690] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 07/22/2023] [Accepted: 07/25/2023] [Indexed: 08/13/2023] Open
Abstract
Helicobacter pylori infections are highly common amongst the global population. Such infections have been shown to be the cause of gastric ulcers and stomach carcinoma and, unfortunately, most cases are asymptomatic. Standard treatment requires antibiotics such as metronidazole or azithromycin to which many strains are now resistant. Mentha species have been used as a natural treatment for gastrointestinal diseases throughout history and essential oils (EOs) derived from these plants show promising results as potential antimicrobial agents. In this study, EOs obtained from the leaves and flowers of five cultivars of Mentha × piperita and M. spicata were examined by GC-MS. The investigated mints are representatives of four chemotypes: the menthol chemotype (M. × piperita 'Multimentha' and M. × piperita 'Swiss'), the piperitenone oxide chemotype (M. × piperita 'Almira'), the linalool chemotype (M. × piperita 'Granada'), and the carvone chemotype (M. spicata 'Moroccan'). The chemical composition of EOs from mint flowers and leaves was comparable with the exception of the Swiss cultivar. Menthol was the most abundant component in the leaves while menthone was highest in flowers. The H. pylori ATCC 43504 reference strain and 10 other H. pylori clinical strains were examined for their sensitivity to the EOs in addition to their major monoterpenoid components (menthol, menthone, carvone, dihydrocarvone, linalool, 1,8-cineole, and limonene). All tested mint EOs showed inhibitory activity against both the reference H. pylori ATCC 43504 strain (MIC 15.6-31.3 mg/L) and clinical H. pylori strains (MIC50/90 31.3-250 mg/L/62.5-500 mg/L). Among the reference monoterpenes, menthol (MIC50/90 7.8/31.3 mg/L) and carvone (MIC50/90 31.3/62.5 mg/L) had the highest anti-H. pylori activity, which also correlated with a higher activity of EOs containing these compounds (M. × piperita 'Swiss' and M. spicata 'Moroccan'). A synergistic and additive interaction between the most active EOs/compounds and antibiotics possibly points to a new plant-based anti-H. pylori treatment.
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Affiliation(s)
- Bartłomiej Piasecki
- Department of Pharmacognosy with the Medicinal Plant Garden, Medical University of Lublin, 1 Chodźki Str., 20-093 Lublin, Poland;
| | - Izabela Korona-Głowniak
- Department of Pharmaceutical Microbiology, Medical University of Lublin, 1 Chodźki Str., 20-093 Lublin, Poland;
| | - Anna Kiełtyka-Dadasiewicz
- Department of Plant Production Technology and Commodity, University of Life Sciences in Lublin, 20-950 Lublin, Poland;
| | - Agnieszka Ludwiczuk
- Department of Pharmacognosy with the Medicinal Plant Garden, Medical University of Lublin, 1 Chodźki Str., 20-093 Lublin, Poland;
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Vitali F, Frascella A, Semenzato G, Del Duca S, Palumbo Piccionello A, Mocali S, Fani R, Emiliani G. Employing Genome Mining to Unveil a Potential Contribution of Endophytic Bacteria to Antimicrobial Compounds in the Origanum vulgare L. Essential Oil. Antibiotics (Basel) 2023; 12:1179. [PMID: 37508275 PMCID: PMC10376600 DOI: 10.3390/antibiotics12071179] [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: 05/05/2023] [Revised: 07/04/2023] [Accepted: 07/06/2023] [Indexed: 07/30/2023] Open
Abstract
Essential oils (EOs) from medicinal plants have long been used in traditional medicine for their widely known antimicrobial properties and represent a promising reservoir of bioactive compounds against multidrug-resistant pathogens. Endophytes may contribute to the yield and composition of EOs, representing a useful tool for biotechnological applications. In this work, we investigated the genomic basis of this potential contribution. The annotated genomes of four endophytic strains isolated from Origanum vulgare L. were used to obtain KEGG ortholog codes, which were used for the annotation of different pathways in KEGG, and to evaluate whether endophytes might harbor the (complete) gene sets for terpene and/or plant hormone biosynthesis. All strains possessed ortholog genes for the mevalonate-independent pathway (MEP/DOXP), allowing for the production of isopentenyl diphosphate (IPP) and dimethylallyl diphosphate (DMAPP) precursors. Ortholog genes for the next steps in terpenoid biosynthesis were scarce. All the strains possess potential plant growth promotion (PGP) ability, as shown by the presence of orthologous genes involved in the biosynthesis of indoleacetic acid. The main contribution of endophytes to the yield and composition of O. vulgare EO very likely resides in their PGP activities and in the biosynthesis of precursors of bioactive compounds.
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Affiliation(s)
- Francesco Vitali
- Research Centre for Agriculture and Environment, Council for Agricultural Research and Economics (CREA-AA), Via di Lanciola 12/A, 50125 Cascine del Riccio, Italy
| | - Arcangela Frascella
- Institute for Sustainable Plant Protection (IPSP), National Research Council (CNR), Via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy
| | - Giulia Semenzato
- Department of Biology, University of Florence, Via Madonna del Piano 6, 50019 Sesto Fiorentino, Italy
| | - Sara Del Duca
- Research Centre for Agriculture and Environment, Council for Agricultural Research and Economics (CREA-AA), Via di Lanciola 12/A, 50125 Cascine del Riccio, Italy
| | - Antonio Palumbo Piccionello
- Department of Biological Chemical and Pharmaceutical Sciences and Technologies, University of Palermo, Viale delle Scienze Ed.17, 90128 Palermo, Italy
| | - Stefano Mocali
- Research Centre for Agriculture and Environment, Council for Agricultural Research and Economics (CREA-AA), Via di Lanciola 12/A, 50125 Cascine del Riccio, Italy
| | - Renato Fani
- Department of Biology, University of Florence, Via Madonna del Piano 6, 50019 Sesto Fiorentino, Italy
| | - Giovanni Emiliani
- Institute for Sustainable Plant Protection (IPSP), National Research Council (CNR), Via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy
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30
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Bhattacharjya DK, Akhtar J, Deka P, Bharadwaj A. An ethnobotanical survey on phytomedicines based on traditional knowledge in the Barpeta district, Assam, India. J Ayurveda Integr Med 2023; 14:100763. [PMID: 37478633 PMCID: PMC10371788 DOI: 10.1016/j.jaim.2023.100763] [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: 11/19/2022] [Revised: 06/18/2023] [Accepted: 06/20/2023] [Indexed: 07/23/2023] Open
Abstract
BACKGROUND Traditional knowledge (TK) is the culture as well as the identity of the majority of the ethnic communities. This knowledge is diminishing with time and with the advancement of synthetic medicines. The medicinal plants are equally effective with fewer side effects when compared to allopathic treatments for humans as well as livestock. OBJECTIVE The main focus of this study is to document the use of plants for the treatment of human ailments by traditional healers in the Barpeta district of Assam. MATERIALS AND METHODS A survey was conducted to gather information on phytomedicines from among the 30 local practitioners or traditional healers in the Barpeta district of Assam state through face-to-face interviews and discussions. The data obtained from the study was compiled through the UR (Use report). The data was analyzed by Fic (informant consensus factor) and RFC (relative frequency of citation). The botanical name of the plants was verified using https://wfoplantlist.org/plant-list. RESULTS A total of 50 plant species having medicinal benefits belonging to 48 genera and 30 families were recorded. The leaves were the most used parts used in treatment accounting for 74% of the total and were usually used by extracting the juice. Besides, the most common disease treated using herbal medicines includes that of the GIT (gastrointestinal tract). The GIT disease category showed the highest Fic index which is 0.25. The plant species Syzygium cumini showed the highest RFC index of 0.50. CONCLUSIONS The common people of the Barpeta district of Assam are found to be familiar with the practice of traditional medicines. This knowledge has mostly been passed down to generations from their ancestors who acquired it through trial and error methods. These medicinal plants are used in crude form. Therefore, the plants must be thoroughly analyzed and tested to identify the active principles involved in their mechanism of action which can be used in drug development.
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Affiliation(s)
- Dip Kr Bhattacharjya
- P.G. Department of Botany, M.C. College (Gauhati University), Barpeta, Assam (India)
| | - Jeba Akhtar
- Department of Botany, Gauhati University, Guwahati, Assam, India.
| | - Papari Deka
- P.G. Department of Botany, M.C. College (Gauhati University), Barpeta, Assam (India)
| | - Ananya Bharadwaj
- P.G. Department of Botany, M.C. College (Gauhati University), Barpeta, Assam (India)
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Galgano M, Pellegrini F, Mrenoshki D, Capozza P, Omar AH, Salvaggiulo A, Camero M, Lanave G, Tempesta M, Pratelli A, Buonavoglia A. Assessing Contact Time and Concentration of Thymus vulgaris Essential Oil on Antibacterial Efficacy In Vitro. Antibiotics (Basel) 2023; 12:1129. [PMID: 37508225 PMCID: PMC10376642 DOI: 10.3390/antibiotics12071129] [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: 05/22/2023] [Revised: 06/26/2023] [Accepted: 06/27/2023] [Indexed: 07/30/2023] Open
Abstract
The overuse and misuse of antibiotics can pose the risk of spreading mutant strains that show antimicrobial resistance (AMR), with negative impacts on the management of bacterial infections and economic implications for healthcare systems. The research and development of natural antibacterial agents could be a priority in the next years to improve a number of effective antibacterial molecules and to reduce the AMR phenomenon and its development. The present study identified the most effective concentration and contact time of Thymus vulgaris L. essential oil (TEO) to obtain bactericidal effects in vitro against different Gram-positive and Gram-negative bacterial strains. Six clinically isolated (wild types) bacterial strains, (Citrobacter freundii, Enterococcus feciorum, Proteus mirabilis, Acinetobacter cioffi, Pseudomonas putrefaciens and Klebsiella pneumoniae) and two ATCCs (Staphylococcus aureus and Streptococcus mutans) were tested after 1 min, 3 min and 5 min of contact with TEO. The preliminary results on S. aureus after 24 h of incubation revealed a TEO concentration of 9.28 mg/mL (w/v) that completely inhibited bacteria growth, keeping cell viability. The total suppression of bacterial growth at all tested contact times was observed for all tested bacterial strains, and the results were confirmed after 48 h of incubation. Bacterial growth suppression was confirmed even with the presence of organic components. These preliminary results showed the in vitro antimicrobial efficacy of TEO against different Gram-positive and Gram-negative bacterial strains. Future studies are necessary to confirm the reproducibility of these results even on other strains and to define the exact molecular mechanisms of EOs in order to consider TEO as a valid alternative to classic antibiotic therapies and subsequently to reduce the occurrence of AMR.
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Affiliation(s)
- Michela Galgano
- Department of Veterinary Medicine, University Aldo Moro of Bari, Sp Casamassima Km 3, Valenzano, 70010 Bari, Italy
| | - Francesco Pellegrini
- Department of Veterinary Medicine, University Aldo Moro of Bari, Sp Casamassima Km 3, Valenzano, 70010 Bari, Italy
| | - Daniela Mrenoshki
- Department of Veterinary Medicine, University Aldo Moro of Bari, Sp Casamassima Km 3, Valenzano, 70010 Bari, Italy
| | - Paolo Capozza
- Department of Veterinary Medicine, University Aldo Moro of Bari, Sp Casamassima Km 3, Valenzano, 70010 Bari, Italy
| | - Ahmed Hassan Omar
- Department of Veterinary Medicine, University Aldo Moro of Bari, Sp Casamassima Km 3, Valenzano, 70010 Bari, Italy
| | - Anna Salvaggiulo
- Department of Veterinary Medicine, University Aldo Moro of Bari, Sp Casamassima Km 3, Valenzano, 70010 Bari, Italy
| | - Michele Camero
- Department of Veterinary Medicine, University Aldo Moro of Bari, Sp Casamassima Km 3, Valenzano, 70010 Bari, Italy
| | - Gianvito Lanave
- Department of Veterinary Medicine, University Aldo Moro of Bari, Sp Casamassima Km 3, Valenzano, 70010 Bari, Italy
| | - Maria Tempesta
- Department of Veterinary Medicine, University Aldo Moro of Bari, Sp Casamassima Km 3, Valenzano, 70010 Bari, Italy
| | - Annamaria Pratelli
- Department of Veterinary Medicine, University Aldo Moro of Bari, Sp Casamassima Km 3, Valenzano, 70010 Bari, Italy
| | - Alessio Buonavoglia
- Department of Biomedical and Neuromotor Sciences, Dental School, Via Zamboni 33, 40126 Bologna, Italy
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Ellboudy NM, Elwakil BH, Shaaban MM, Olama ZA. Cinnamon Oil-Loaded Nanoliposomes with Potent Antibacterial and Antibiofilm Activities. Molecules 2023; 28:molecules28114492. [PMID: 37298980 DOI: 10.3390/molecules28114492] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Revised: 05/26/2023] [Accepted: 05/31/2023] [Indexed: 06/12/2023] Open
Abstract
Despite recent scientific advances, the global load of bacterial disease remains high and has been established against a backdrop of increasing antimicrobial resistance. Therefore, there is a pressing need for highly effective and natural antibacterial agents. In the present work, the antibiofilm effect provided by essential oils was evaluated. Of these, cinnamon oil extract showed potent antibacterial and antibiofilm activities against Staphylococcus aureus at an MBEC of 75.0 µg/mL. It was revealed that benzyl alcohol, 2-propenal-3-phenyl, hexadecenoic acid, and oleic acid were the major components of the tested cinnamon oil extract. In addition, the interaction between the cinnamon oil and colistin showed a synergistic effect against S. aureus. Cinnamon oil that had been combined with colistin was encapsulated by liposomes to enhance the essential oil's chemical stability, demonstrating a particle size of 91.67 nm, a PDI of 0.143, a zeta potential of -0.129 mV, and an MBEC of 50.0 µg/mL against Staphylococcus aureus. Scanning electron microscopy was employed to observe the morphological changes in the Staphylococcus aureus biofilm that was treated with the encapsulated cinnamon oil extract/colistin. As a natural and safe option, cinnamon oil exhibited satisfactory antibacterial and antibiofilm performance. The application of liposomes further improved the stability of the antibacterial agents and extended the essential oil release profile.
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Affiliation(s)
- Neveen M Ellboudy
- Department of Botany & Microbiology, Faculty of Science, Alexandria University, Alexandria 21568, Egypt
| | - Bassma H Elwakil
- Department of Medical Laboratory Technology, Faculty of Applied Health Sciences Technology, Pharos University in Alexandria, Alexandria 21500, Egypt
| | - Marwa M Shaaban
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Alexandria University, Alexandria 21568, Egypt
| | - Zakia A Olama
- Department of Botany & Microbiology, Faculty of Science, Alexandria University, Alexandria 21568, Egypt
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Iseppi R, Condò C, Messi P. Synergistic Inhibition of Methicillin-Resistant Staphylococcus aureus (MRSA) by Melaleuca alternifolia Chell (Tea Tree) and Eucalyptus globulus Labill. Essential Oils in Association with Oxacillin. Antibiotics (Basel) 2023; 12:antibiotics12050846. [PMID: 37237749 DOI: 10.3390/antibiotics12050846] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 04/27/2023] [Accepted: 04/28/2023] [Indexed: 05/28/2023] Open
Abstract
The presence of antibiotic-resistant bacteria has become a major therapeutic priority. This trend indicates the need for alternative agents to antibiotics, such as natural compounds of plant origin. By assessing membrane permeability, we investigated the antimicrobial activity of Melaleuca alternifolia and Eucalyptus globulus essential oils (EOs) against three strains of methicillin-resistant Staphylococcus aureus (MRSA). Using the checkerboard method, the efficacy of single EOs, in association with each other or in combination with oxacillin, was quantified by calculating the fractional inhibitory concentrations (FIC Index). All EOs showed a reduction in bacterial load, an alteration of membrane permeability which leads to an increase in its function, resulting in the release of nucleic acids and proteins. The treatment with EO-oxacillin combinations and associated EO-EO resulted in a synergistic effect in most of the tests performed. EO-EO association showed a high activity in the alteration of the membrane, increasing the permeability to about 80% in all the MRSA strains treated. In conclusion, the combination of EOs and antibiotics represents a valid therapeutic support against MRSA bacteria, allowing for a decrease in the antibiotic concentration needed for therapeutic use.
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Affiliation(s)
- Ramona Iseppi
- Department of Life Sciences, University of Modena and Reggio Emilia, Via Giuseppe Campi 287, 41125 Modena, Italy
| | - Carla Condò
- Department of Life Sciences, University of Modena and Reggio Emilia, Via Giuseppe Campi 287, 41125 Modena, Italy
| | - Patrizia Messi
- Department of Life Sciences, University of Modena and Reggio Emilia, Via Giuseppe Campi 287, 41125 Modena, Italy
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Scandorieiro S, Teixeira FMMB, Nogueira MCL, Panagio LA, de Oliveira AG, Durán N, Nakazato G, Kobayashi RKT. Antibiofilm Effect of Biogenic Silver Nanoparticles Combined with Oregano Derivatives against Carbapenem-Resistant Klebsiella pneumoniae. Antibiotics (Basel) 2023; 12:antibiotics12040756. [PMID: 37107119 PMCID: PMC10135348 DOI: 10.3390/antibiotics12040756] [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: 03/16/2023] [Revised: 04/06/2023] [Accepted: 04/12/2023] [Indexed: 04/29/2023] Open
Abstract
Resistant bacteria may kill more people than COVID-19, so the development of new antibacterials is essential, especially against microbial biofilms that are reservoirs of resistant cells. Silver nanoparticles (bioAgNP), biogenically synthesized using Fusarium oxysporum, combined with oregano derivatives, present a strategic antibacterial mechanism and prevent the emergence of resistance against planktonic microorganisms. Antibiofilm activity of four binary combinations was tested against enteroaggregative Escherichia coli (EAEC) and Klebsiella pneumoniae carbapenemase-producing K. pneumoniae (KPC): oregano essential oil (OEO) plus bioAgNP, carvacrol (Car) plus bioAgNP, thymol (Thy) plus bioAgNP, and Car plus Thy. The antibiofilm effect was accessed using crystal violet, MTT, scanning electron microscopy, and Chromobacterium violaceum anti-quorum-sensing assays. All binary combinations acted against preformed biofilm and prevented its formation; they showed improved antibiofilm activity compared to antimicrobials individually by reducing sessile minimal inhibitory concentration up to 87.5% or further decreasing biofilm metabolic activity and total biomass. Thy plus bioAgNP extensively inhibited the growth of biofilm in polystyrene and glass surfaces, disrupted three-dimensional biofilm structure, and quorum-sensing inhibition may be involved in its antibiofilm activity. For the first time, it is shown that bioAgNP combined with oregano has antibiofilm effect against bacteria for which antimicrobials are urgently needed, such as KPC.
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Affiliation(s)
- Sara Scandorieiro
- Laboratory of Basic and Applied Bacteriology, Department of Microbiology, Center of Biological Sciences, Universidade Estadual de Londrina, Londrina 86057-970, Brazil
- Laboratory of Innovation and Cosmeceutical Technology, Department of Pharmaceutical Sciences, Center of Health Sciences, Hospital Universitário de Londrina, Londrina 86038-350, Brazil
| | - Franciele Maira M B Teixeira
- Department of Dermatological, Infectious and Parasitic Diseases, Faculdade de Medicina de Sao Jose do Rio Preto, São José do Rio Preto 15090-000, Brazil
| | - Mara C L Nogueira
- Department of Dermatological, Infectious and Parasitic Diseases, Faculdade de Medicina de Sao Jose do Rio Preto, São José do Rio Preto 15090-000, Brazil
| | - Luciano A Panagio
- Laboratory of Medical Mycology and Oral Microbiology, Department of Microbiology, Center of Biological Sciences, Universidade Estadual de Londrina, Londrina 86057-970, Brazil
| | - Admilton G de Oliveira
- Laboratory of Microbial Biotechnology, Department of Microbiology, Center of Biological Sciences, Universidade Estadual de Londrina, Londrina 86057-970, Brazil
- Laboratory of Electron Microscopy and Microanalysis, Center of Biological Sciences, Universidade Estadual de Londrina, Londrina 86057-970, Brazil
| | - Nelson Durán
- Institute of Biology, Universidade Estadual de Campinas, Campinas 13083-862, Brazil
| | - Gerson Nakazato
- Laboratory of Basic and Applied Bacteriology, Department of Microbiology, Center of Biological Sciences, Universidade Estadual de Londrina, Londrina 86057-970, Brazil
| | - Renata K T Kobayashi
- Laboratory of Basic and Applied Bacteriology, Department of Microbiology, Center of Biological Sciences, Universidade Estadual de Londrina, Londrina 86057-970, Brazil
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Jesmina ARS, Induja DK, Drissya T, Sruthi CR, Raghu KG, Nelson-Sathi S, Kumar BNSAD, Lankalapalli RS. In vitro antibacterial effects of combination of ciprofloxacin with compounds isolated from Streptomyces luteireticuli NIIST-D75. J Antibiot (Tokyo) 2023; 76:198-210. [PMID: 36781977 DOI: 10.1038/s41429-023-00600-7] [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: 10/22/2022] [Revised: 01/11/2023] [Accepted: 01/31/2023] [Indexed: 02/15/2023]
Abstract
Three phenazines, 1-methoxyphenazine (1), methyl-6-methoxyphenazine-1-carboxylate (2), 1,6-dimethoxyphenazine (4), and a 2,3-dimethoxy benzamide (3) were isolated from the Streptomyces luteireticuli NIIST-D75, and the antibacterial effects of compounds 1-3, each in combination with ciprofloxacin, were investigated. The in vitro antibacterial activity was assessed by microdilution, checkerboard, and time-kill assay against Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa, and Salmonella typhi. According to the checkerboard assay results, each combination of compounds 1, 2 and 3 with ciprofloxacin resulted in a significantly lower minimum inhibitory concentrations (MICs) of 0.02-1.37 µg ml-1, suggesting synergistic combinations by fractional inhibitory concentration index, and displayed bactericidal activity in time-kill kinetics within 48 h. SEM analysis was carried out to determine the changes in morphology in S. aureus and E. coli during treatment with individual combination of ciprofloxacin and compounds (1-3), which revealed drastic changes in the cells such as dent formation, biofilm disruption, cell bursting, and doughnut-like formation, change in surface morphology in S. aureus, and cell elongation, cell burst with ruptured cell, and change in surface morphology in E. coli. Hep G2 cell viability was not affected by the compounds (1-3) that were tested for cytotoxicity up to 250 µM.
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Affiliation(s)
- Abdul Rasheed Safiya Jesmina
- Agro-Processing and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram, 695019, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - D K Induja
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram, 695019, India
| | - Thankappan Drissya
- Agro-Processing and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram, 695019, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Chakiniplackal Rajan Sruthi
- Agro-Processing and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram, 695019, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Kozhiparambil Gopalan Raghu
- Agro-Processing and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram, 695019, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Shijulal Nelson-Sathi
- Transdisciplinary Biology, Bioinformatics Laboratory, Rajiv Gandhi Centre for Biotechnology, Thiruvananthapuram, 695014, India
| | - Bhaskaran Nair Saraswathy Amma Dileep Kumar
- Agro-Processing and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram, 695019, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.
| | - Ravi S Lankalapalli
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram, 695019, India.
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Zhang L, Piao X. Use of aromatic plant-derived essential oils in meat and derived products: Phytochemical compositions, functional properties, and encapsulation. FOOD BIOSCI 2023. [DOI: 10.1016/j.fbio.2023.102520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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Evangelista AG, Janotto LDS, Matté EHC, Perry CC, Ribeiro FL, Luciano FB. In vitro interaction between essential oil compounds and halquinol against zoonotic pathogenic bacteria. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2023. [DOI: 10.1016/j.bcab.2023.102672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/15/2023]
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Recent Approaches for Downplaying Antibiotic Resistance: Molecular Mechanisms. BIOMED RESEARCH INTERNATIONAL 2023; 2023:5250040. [PMID: 36726844 PMCID: PMC9886476 DOI: 10.1155/2023/5250040] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Revised: 10/06/2022] [Accepted: 10/12/2022] [Indexed: 01/25/2023]
Abstract
Antimicrobial resistance (AMR) is a ubiquitous public health menace. AMR emergence causes complications in treating infections contributing to an upsurge in the mortality rate. The epidemic of AMR in sync with a high utilization rate of antimicrobial drugs signifies an alarming situation for the fleet recovery of both animals and humans. The emergence of resistant species calls for new treatments and therapeutics. Current records propose that health drug dependency, veterinary medicine, agricultural application, and vaccination reluctance are the primary etymology of AMR gene emergence and spread. Recently, several encouraging avenues have been presented to contest resistance, such as antivirulent therapy, passive immunization, antimicrobial peptides, vaccines, phage therapy, and botanical and liposomal nanoparticles. Most of these therapies are used as cutting-edge methodologies to downplay antibacterial drugs to subdue the resistance pressure, which is a featured motive of discussion in this review article. AMR can fade away through the potential use of current cutting-edge therapeutics, advancement in antimicrobial susceptibility testing, new diagnostic testing, prompt clinical response, and probing of new pharmacodynamic properties of antimicrobials. It also needs to promote future research on contemporary methods to maintain host homeostasis after infections caused by AMR. Referable to the microbial ability to break resistance, there is a great ultimatum for using not only appropriate and advanced antimicrobial drugs but also other neoteric diverse cutting-edge therapeutics.
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Safavipour S, Tabeidian SA, Toghyani M, Foroozandeh Shahraki AD, Ghalamkari G, Habibian M. Laying performance, egg quality, fertility, nutrient digestibility, digestive enzymes activity, gut microbiota, intestinal morphology, antioxidant capacity, mucosal immunity, and cytokine levels in meat-type Japanese quail breeders fed different phytogenic levels. Res Vet Sci 2022; 153:74-87. [PMID: 36327622 DOI: 10.1016/j.rvsc.2022.10.017] [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: 08/23/2022] [Revised: 10/08/2022] [Accepted: 10/12/2022] [Indexed: 11/09/2022]
Abstract
A total of 180 female Japanese quail breeders were allocated to 5 treatments with 6 replicates of 6 birds and fed a diet supplemented with 0, 125, 250, 500, or 1000 mg/kg of a phytogenic feed additive (PFA) in a 9-wk experiment. Egg weight, feed efficiency, shell breaking strength and calcium content, specific gravity, Haugh unit, and percentages of fertile eggs increased with increasing PFA levels (P < 0.05). Increasing of PFA levels increased nutrient digestibility, dietary AMEn, and activities of digestive enzymes in the pancreas and intestinal digesta (P < 0.05). Supplementation of PFA reduced Escherichia coli (P < 0.05), Clostridium spp. (P < 0.05) and Salmonella spp. counts (P < 0.05), while increased Lactobacillus and Bifidobacterium spp. counts in the ileal and cecal contents (P < 0.05). Dietary PFA increased jejunal villus height and decreased ileal crypt depth (P < 0.05). Serum diamine oxidase activity and D-lactate level were decreased with increase in PFA level (P < 0.05). Increasing PFA levels increased glutathione peroxidase activity in the pancreas, small intestine, and cecal tonsil, but decreased malondialdehyde contents (P < 0.05). Birds fed PFA exhibited increased levels of secretory IgA in the intestinal mucosa (P < 0.05), and increased the percentage of CD3+ T cells, ratio of CD4+/CD8+ T cells, and cytokine concentrations in the cecal tonsils (P < 0.05). In conclusion, PFA could improve gut health and nutrient utilization and, therefore, benefit productivity, egg quality, and fertility in quails.
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Affiliation(s)
- Saeed Safavipour
- Department of Animal Science, Faculty of Agriculture, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran
| | - Sayed Ali Tabeidian
- Department of Animal Science, Faculty of Agriculture, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran.
| | - Majid Toghyani
- Department of Animal Science, Faculty of Agriculture, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran
| | | | - Gholamreza Ghalamkari
- Department of Animal Science, Faculty of Agriculture, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran
| | - Mahmood Habibian
- Young Researchers and Elite Club, Islamic Azad University, Isfahan (Khorasgan) Branch, Isfahan, Iran
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Supercritical CO2 Impregnation of Clove Extract in Polycarbonate: Effects of Operational Conditions on the Loading and Composition. Processes (Basel) 2022. [DOI: 10.3390/pr10122661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
The development of active packaging for food storage containers is possible through impregnation of natural extracts by supercritical CO2-assisted impregnation processes. The challenge of scCO2-impregnation of natural extracts is to control the total loading and to ensure that the composition of the loaded extract may preserve the properties of the crude extract. This study aimed at investigating the scCO2-impregnation of clove extract (CE) in polycarbonate (PC) to develop antibacterial packaging. A design of experiments was applied to evaluate the influences of temperature (35–60 °C) and pressure (10–30 MPa) on the clove loading (CL%) and on the composition of the loaded extract. The CL% ranged from 6.8 to 18.5%, and the highest CL% was reached at 60 °C and 10 MPa. The composition of the impregnated extract was dependent on the impregnation conditions, and it differed from the crude extract, being richer in eugenol (81.31–86.28% compared to 70.06 in the crude extract). Differential scanning calorimetry showed a high plasticizing effect of CE on PC, and high CL% led to the cracking of the PC surface. Due to the high loading of eugenol, which is responsible for the antibacterial properties of the CE, the impregnated PC is promising for producing antibacterial food containers.
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Aquilano C, Baccari L, Caprari C, Divino F, Fantasma F, Saviano G, Ranalli G. Effects of EOs vs. Antibiotics on E. coli Strains Isolated from Drinking Waters of Grazing Animals in the Upper Molise Region, Italy. Molecules 2022; 27:8177. [PMID: 36500269 PMCID: PMC9741016 DOI: 10.3390/molecules27238177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 11/17/2022] [Accepted: 11/22/2022] [Indexed: 11/25/2022] Open
Abstract
The health and safety of grazing animals was the subject of microbiological monitoring on natural source of drinking waters in the upper Molise region, Italy. Surface water samples, on spring-summer season, were collected and submitted to analyses using sterile membrane filtration, cultural medium, and incubation. The level of environmental microbial contamination (Total viable microbial count, yeasts and fungi) and faecal presence (Total and faecal coliforms, E. coli, and Salmonellae spp.) were carried out. By the selective microbiological screening, twenty-three E. coli strains from drinking waters were isolated and submitted to further studies to evaluate antibiotic resistance by antibiograms vs. three animal and two diffuse human antibiotics. Furthermore, after a fine chemical characterization by GC and GC-MS, three Essential Oils (EOs) of aromatic plants (Timus vulgaris, Melaleuca alternifolia, Cinnamomun verum) aromatograms were performed and results statistically compared. The effects of EOs vs. antibiotics on E. coli strains isolated from drinking waters showed a total absence of microbial resistance. In our experimental conditions, even if some suggestions will be further adopted for better managements of grazing animals, because the health and safety represent a guarantee for both animals and humans.
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Affiliation(s)
| | | | | | | | | | | | - Giancarlo Ranalli
- Department of Biosciences and Territory, University of Molise, C. da Fonte Lappone snc, 86090 Pesche, IS, Italy
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Vukovic NL, Vukic MD, Obradovic AD, Matic MM, Galovičová L, Kačániová M. GC, GC/MS Analysis, and Biological Effects of Essential Oils from Thymus mastchina and Elettaria cardamomum. PLANTS (BASEL, SWITZERLAND) 2022; 11:3213. [PMID: 36501253 PMCID: PMC9793757 DOI: 10.3390/plants11233213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 11/10/2022] [Accepted: 11/20/2022] [Indexed: 06/17/2023]
Abstract
Spanish marjoram (Thymus mastichina) and cardamom (Elettaria cardamomum) are traditional aromatic plants with which several pharmacological properties have been associated. In this study, the volatile composition, antioxidative and antimigratory effects on human breast cancer (MDA-MB-468 cell line), antimicrobial activity, and antibiofilm effect were evaluated. Results obtained via treatment of human breast cancer cells generally indicated an inhibitory effect of both essential oils (EOs) on cell viability (after long-term treatment) and antioxidative potential, as well as the reduction of nitric oxide levels. Antimigratory effects were revealed, suggesting that these EOs could possess significant antimetastatic properties and stop tumor progression and growth. The antimicrobial activities of both EOs were determined using the disc diffusion method and minimal inhibition concentration, while antibiofilm activity was evaluated by means of mass spectrometry. The best antimicrobial effects of T. mastichina EO were found against the yeast Candida glabrata and the G+ bacterium Listeria monocytogenes using the disc diffusion and minimal inhibitory concentration methods. E. cardamomum EO was found to be most effective against Pseudomas fluorescens biofilm using both methods. Similarly, better effects of this oil were observed on G- compared to G+ bacterial strains. Our study confirms that T. mastichina and E. cardamomum EOs act to change the protein structure of older P. fluorescens biofilms. The results underline the potential use of these EOs in manufactured products, such as foodstuffs, cosmetics, and pharmaceuticals.
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Affiliation(s)
- Nenad L. Vukovic
- Department of Chemistry, Faculty of Science, University of Kragujevac, 34000 Kragujevac, Serbia
| | - Milena D. Vukic
- Department of Chemistry, Faculty of Science, University of Kragujevac, 34000 Kragujevac, Serbia
| | - Ana D. Obradovic
- Department of Biology and Ecology, Faculty of Science, University of Kragujevac, 34000 Kragujevac, Serbia
| | - Milos M. Matic
- Department of Biology and Ecology, Faculty of Science, University of Kragujevac, 34000 Kragujevac, Serbia
| | - Lucia Galovičová
- Institute of Horticulture, Faculty of Horticulture and Landscape Engineering, Slovak University of Agriculture, Tr. A. Hlinku 2, 94976 Nitra, Slovakia
| | - Miroslava Kačániová
- Institute of Horticulture, Faculty of Horticulture and Landscape Engineering, Slovak University of Agriculture, Tr. A. Hlinku 2, 94976 Nitra, Slovakia
- Department of Bioenergy, Food Technology and Microbiology, Institute of Food Technology and Nutrition, University of Rzeszow, 4 Zelwerowicza Str., 35-601 Rzeszow, Poland
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Zhang L, Gao F, Ge J, Li H, Xia F, Bai H, Piao X, Shi L. Potential of Aromatic Plant-Derived Essential Oils for the Control of Foodborne Bacteria and Antibiotic Resistance in Animal Production: A Review. Antibiotics (Basel) 2022; 11:1673. [PMID: 36421318 PMCID: PMC9686951 DOI: 10.3390/antibiotics11111673] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 11/18/2022] [Accepted: 11/18/2022] [Indexed: 07/30/2023] Open
Abstract
Antibiotic resistance has become a severe public threat to human health worldwide. Supplementing antibiotic growth promoters (AGPs) at subtherapeutic levels has been a commonly applied method to improve the production performance of livestock and poultry, but the misuse of antibiotics in animal production plays a major role in the antibiotic resistance crisis and foodborne disease outbreaks. The addition of AGPs to improve production performance in livestock and poultry has been prohibited in some countries, including Europe, the United States and China. Moreover, cross-resistance could result in the development of multidrug resistant bacteria and limit therapeutic options for human and animal health. Therefore, finding alternatives to antibiotics to maintain the efficiency of livestock production and reduce the risk of foodborne disease outbreaks is beneficial to human health and the sustainable development of animal husbandry. Essential oils (EOs) and their individual compounds derived from aromatic plants are becoming increasingly popular as potential antibiotic alternatives for animal production based on their antibacterial properties. This paper reviews recent studies in the application of EOs in animal production for the control of foodborne pathogens, summarizes their molecular modes of action to increase the susceptibility of antibiotic-resistant bacteria, and provides a promising role for the application of nanoencapsulated EOs in animal production to control bacteria and overcome antibiotic resistance.
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Affiliation(s)
- Lianhua Zhang
- Key Laboratory of Plant Resources, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
- China National Botanical Garden, Beijing 100093, China
| | - Fei Gao
- Key Laboratory of Plant Resources, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
- China National Botanical Garden, Beijing 100093, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Junwei Ge
- Key Laboratory of Plant Resources, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
- China National Botanical Garden, Beijing 100093, China
- College of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - Hui Li
- Key Laboratory of Plant Resources, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
- China National Botanical Garden, Beijing 100093, China
| | - Fei Xia
- Key Laboratory of Plant Resources, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
- China National Botanical Garden, Beijing 100093, China
| | - Hongtong Bai
- Key Laboratory of Plant Resources, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
- China National Botanical Garden, Beijing 100093, China
| | - Xiangshu Piao
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Lei Shi
- Key Laboratory of Plant Resources, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
- China National Botanical Garden, Beijing 100093, China
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Buldain D, Gortari Castillo L, Buchamer AV, Bandoni A, Marchetti L, Mestorino N. In vitro synergistic interaction between Melaleuca armillaris essential oil and erythromycin against Staphylococcus aureus isolated from dairy cows. Front Vet Sci 2022; 9:1005616. [PMID: 36458057 PMCID: PMC9705979 DOI: 10.3389/fvets.2022.1005616] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Accepted: 10/31/2022] [Indexed: 08/08/2023] Open
Abstract
Staphylococcus aureus frequently causes subclinical mastitis around the world with a high impact on the milk industry and public health. Essential oils (EO) are recognized antimicrobials that can be synergistic with antibiotics. The main objective of this study was to evaluate the essential oil (EO) of Melaleuca armillaris as an adjuvant of erythromycin (ERY) for the alternative treatment of bovine mastitis caused by S. aureus. The Minimum Inhibitory and Bactericidal Concentrations (MIC and MBC) of EO, ERY, and its combinations were established against S. aureus at different pHs (7.4, 6.5 and 5.0), emulating extra and intracellular conditions. Sensitive (N = 3) and resistant (N = 3) strains to ERY and S. aureus ATCC 29213 as control were used. Math models were applied to describe the antibacterial activity of EO and combinations EO-ERY. The EO was bactericidal against all the strains independently of the pH with a slight improvement in acid conditions. The synergism between EO and ERY was estimated by the Fractional Inhibitory Concentration Index (FIC) and by mathematical modeling of the bacterial killing data. Synergism was observed with ERY, where combinations had bactericidal activity also even with pH modification. M. armillaris EO is an interesting adjuvant for ERY, being a promissory option for further analysis of intracellular efficacy against S. aureus.
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Affiliation(s)
- Daniel Buldain
- Laboratorio de Estudios Farmacológicos y Toxicológicos (LEFyT), Facultad de Ciencias Veterinarias, Universidad Nacional de La Plata, La Plata, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), La Plata, Argentina
| | - Lihuel Gortari Castillo
- Laboratorio de Estudios Farmacológicos y Toxicológicos (LEFyT), Facultad de Ciencias Veterinarias, Universidad Nacional de La Plata, La Plata, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), La Plata, Argentina
| | - Andrea Verónica Buchamer
- Laboratorio de Estudios Farmacológicos y Toxicológicos (LEFyT), Facultad de Ciencias Veterinarias, Universidad Nacional de La Plata, La Plata, Argentina
| | - Arnaldo Bandoni
- Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Cátedra de Farmacognosia, Buenos Aires, Argentina
- Instituto de Química y Metabolismo del Fármaco (IQUIMEFA), CONICET-Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Laura Marchetti
- Laboratorio de Estudios Farmacológicos y Toxicológicos (LEFyT), Facultad de Ciencias Veterinarias, Universidad Nacional de La Plata, La Plata, Argentina
| | - Nora Mestorino
- Laboratorio de Estudios Farmacológicos y Toxicológicos (LEFyT), Facultad de Ciencias Veterinarias, Universidad Nacional de La Plata, La Plata, Argentina
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Almutairi MBF, Alrouji M, Almuhanna Y, Asad M, Joseph B. In-Vitro and In-Vivo Antibacterial Effects of Frankincense Oil and Its Interaction with Some Antibiotics against Multidrug-Resistant Pathogens. Antibiotics (Basel) 2022; 11:1591. [PMID: 36358246 PMCID: PMC9686721 DOI: 10.3390/antibiotics11111591] [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: 10/10/2022] [Revised: 11/05/2022] [Accepted: 11/07/2022] [Indexed: 11/12/2022] Open
Abstract
Frankincense (Boswellia sacra oleo gum resin) is reported to possess antimicrobial activity against several pathogens in-vitro. The antimicrobial effects of frankincense oil and its interaction with imipenem and gentamicin against methicillin-resistant Staphylococcus aureus (MRSA) and multidrug-resistant P. aeruginosa were determined through in-vitro methods and an in-vivo study using a rat pneumonia model. Frankincense oil was subjected to GC-MS analysis to determine the different volatile components. Antibacterial effects against MRSA and MDR-P. aeruginosa was evaluated and its MIC and MBC were determined. For the rat pneumonia model (in-vivo), oil was administered at a dose of 500 mg/kg and 1000 mg/kg followed by determination of CFU in lung tissue and histological studies. Frankincense oil did not show a very potent inhibitory effect against MRSA or MDR-P. aeruginosa; the oil did not affect the zone of inhibition or FIC when combined with imipenem or gentamicin indicating a lack of interaction between the oil and the antibiotics. Furthermore, there was no interaction between the antibiotics and the frankincense oil in the in-vivo model. The result of the study revealed that frankincense oil has a weak inhibitory effect against MRSA and MDR-P. aeruginosa, and it did not show any interaction with imipenem or gentamicin.
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Affiliation(s)
- Megren Bin Faisal Almutairi
- Department of Clinical Laboratory Science, College of Applied Medical Sciences, Shaqra University, Shaqra 11961, Saudi Arabia
- Department of Clinical Laboratory, King Saud Hospital, Unaizah 56215, Saudi Arabia
| | - Mohammed Alrouji
- Department of Clinical Laboratory Science, College of Applied Medical Sciences, Shaqra University, Shaqra 11961, Saudi Arabia
| | - Yasir Almuhanna
- Department of Clinical Laboratory Science, College of Applied Medical Sciences, Shaqra University, Shaqra 11961, Saudi Arabia
| | - Mohammed Asad
- Department of Clinical Laboratory Science, College of Applied Medical Sciences, Shaqra University, Shaqra 11961, Saudi Arabia
| | - Babu Joseph
- Department of Clinical Laboratory Science, College of Applied Medical Sciences, Shaqra University, Shaqra 11961, Saudi Arabia
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An Optimization of Oregano, Thyme, and Lemongrass Essential Oil Blend to Simultaneous Inactivation of Relevant Foodborne Pathogens by Simplex–Centroid Mixture Design. Antibiotics (Basel) 2022; 11:antibiotics11111572. [PMID: 36358227 PMCID: PMC9686886 DOI: 10.3390/antibiotics11111572] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 11/02/2022] [Accepted: 11/04/2022] [Indexed: 11/09/2022] Open
Abstract
(1) Background: This study aimed to use the simplex–centroid mixture design methodology coupled with a microdilution assay to predict optimal essential oil (EO) formulations against three potential foodborne pathogens simultaneously through the desirability (D) function. (2) Methods: Oregano (ORE; Origanum vulgare), thyme (THY; Thymus vulgaris), and lemongrass (LG; Cymbopogon citratus) and their blends were evaluated concerning minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) for Salmonella enterica serotype Enteritidis, Escherichia coli and Staphylococcus aureus. (3) Results: THY combined with ORE or LG were the most promising EO formulations in inhibiting and killing each bacterium separately. Regarding the simultaneous effect, the optimal proportion for maximum inhibition was composed of 75% ORE, 15% THY, and 10% LG, while for maximum inactivation was 50% ORE, 40% THY, and 10% LG. (4) Conclusion: The multiresponse optimization allowed identifying an EO blend to simultaneously control three potential foodborne pathogens. This first report could be a helpful natural and green alternative for the industry to produce safer food products and mitigate public health risks.
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First Evidence of a Combination of Terpinen-4-ol and α-Terpineol as a Promising Tool against ESKAPE Pathogens. Molecules 2022; 27:molecules27217472. [PMID: 36364298 PMCID: PMC9654757 DOI: 10.3390/molecules27217472] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Revised: 10/31/2022] [Accepted: 10/31/2022] [Indexed: 11/06/2022] Open
Abstract
Antimicrobial resistance is a major public health issue raising growing concern in the face of dwindling response options. It is therefore urgent to find new anti-infective molecules enabling us to fight effectively against ever more numerous bacterial infections caused by ever more antibiotic-resistant bacteria. In this quest for new antibacterials, essential oils (or compounds extracted from essential oils) appear to be a promising therapeutic option. In the present work, we investigate the potential antibacterial synergy between a combination of terpinen-4-ol and α-terpineol (10:1) compared to standard tea tree oil. The minimum inhibitory concentration (MIC) and the minimum bactericidal concentration (MBC) were determined. Then, time kill assays, in vitro cytotoxicity and bactericidal activity on latent bacteria (persisters) were investigated. Finally, an in silico study of the pharmacokinetic parameters of α-terpineol was also performed. Altogether, our data demonstrate that the combination of terpinen-4-ol and α-terpineol might be a precious weapon to address ESKAPE pathogens.
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Alsakhawy SA, Baghdadi HH, El-Shenawy MA, Sabra SA, El-Hosseiny LS. Encapsulation of thymus vulgaris essential oil in caseinate/gelatin nanocomposite hydrogel: In vitro antibacterial activity and in vivo wound healing potential. Int J Pharm 2022; 628:122280. [DOI: 10.1016/j.ijpharm.2022.122280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 10/03/2022] [Accepted: 10/07/2022] [Indexed: 10/31/2022]
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Berdejo D, Gayán E, Pagán E, Merino N, Campillo R, Pagán R, García-Gonzalo D. Carvacrol Selective Pressure Allows the Occurrence of Genetic Resistant Variants of Listeria monocytogenes EGD-e. Foods 2022; 11:3282. [PMID: 37431028 PMCID: PMC9602272 DOI: 10.3390/foods11203282] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 10/14/2022] [Accepted: 10/18/2022] [Indexed: 09/07/2024] Open
Abstract
Essential oils and their constituents, such as carvacrol, are potential food preservatives because of their great antimicrobial properties. However, the long-term effects of these compounds are unknown and raise the question of whether resistance to these antimicrobials could emerge. This work aims to evaluate the occurrence of genetic resistant variants (RVs) in Listeria monocytogenes EGD-e by exposure to carvacrol. Two protocols were performed for the RVs selection: (a) by continuous exposure to sublethal doses, where LmSCar was isolated, and (b) by reiterative exposure to short lethal treatments of carvacrol, where LmLCar was isolated. Both RVs showed an increase in carvacrol resistance. Moreover, LmLCar revealed an increased cross-resistance to heat treatments at acid conditions and to ampicillin. Whole-genome sequencing identified two single nucleotide variations in LmSCar and three non-silent mutations in LmLCar. Among them, those located in the genes encoding the transcriptional regulators RsbT (in LmSCar) and ManR (in LmLCar) could contribute to their increased carvacrol resistance. These results provide information regarding the mode of action of this antimicrobial and support the importance of knowing how RVs appear. Further studies are required to determine the emergence of RVs in food matrices and their impact on food safety.
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Affiliation(s)
| | | | | | | | | | | | - Diego García-Gonzalo
- Departamento de Producción Animal y Ciencia de los Alimentos, Facultad de Veterinaria, Instituto Agroalimentario de Aragón-IA2 (Universidad de Zaragoza-CITA), 50013 Zaragoza, Spain
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In vitro activity of celastrol in combination with thymol against carbapenem-resistant Klebsiella pneumoniae isolates. J Antibiot (Tokyo) 2022; 75:679-690. [PMID: 36167781 DOI: 10.1038/s41429-022-00566-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2022] [Revised: 09/03/2022] [Accepted: 09/06/2022] [Indexed: 12/26/2022]
Abstract
Klebsiella pneumoniae is an opportunistic pathogen causing nosocomial and community-acquired infections. Klebsiella has developed resistance against antimicrobials including the last resort class; carbapenem. Currently, treatment options for carbapenem-resistant-Klebsiella (CRK) are very limited. This study aims to restore carbapenem effectiveness against CRK using celastrol and thymol. Clinical Klebsiella isolates were identified using biochemical and molecular methods. Antimicrobial susceptibility was determined using disk-diffusion method. Carbapenemase-production was tested phenotypically and genotypically. Celastrol and thymol-MICs were determined and the carbapenemase-inhibitory effect of sub-MICs was investigated. Among 85 clinical Klebsiella isolates, 72 were multi-drug-resistant and 43 were meropenem-resistant. Phenotypically, 39 isolates were carbapenemase-producer. Genotypically, blaNDM1 was detected in 35 isolates, blaVIM in 17 isolates, blaOXA in 18 isolates, and blaKPC was detected only in 6 isolates. Celastrol showed significant inhibitory effect against carbapenemase-hydrolytic activity. Meropenem-MIC did not decrease in presence of celastrol, only 2-fold decrease was observed with thymol, while 4-64 fold decrease was observed when meropenem was combined with both celastrol and thymol. Furthermore, thymol increased CRK cell wall-permeability. Molecular docking revealed that celastrol is superior to thymol for binding to KPC and VIM-carbapenemase. Our study showed that celastrol is a promising inhibitor of multiple carbapenemases. While meropenem-MIC were not affected by celastrol alone and decreased by only 2-folds with thymol, it decreased by 4-64 folds in presence of both celastrol and thymol. Thymol increases the permeability of CRK-envelope to celastrol. The triple combination (meropenem/celastrol/thymol) could be useful for developing more safe and effective analogues to restore the activity of meropenem and other β-lactams.
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