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de Souza GH, Vaz MS, Dos Santos Radai JA, Fraga TL, Rossato L, Simionatto S. Synergistic interaction of polymyxin B with carvacrol: antimicrobial strategy against polymyxin-resistant Klebsiella pneumoniae. Future Microbiol 2024; 19:181-193. [PMID: 38329374 DOI: 10.2217/fmb-2023-0070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 10/09/2023] [Indexed: 02/09/2024] Open
Abstract
Objective: The antimicrobial activities of the synergistic combination of carvacrol and polymyxin B against polymyxin-resistant Klebsiella pneumoniae were evaluated. Methods: The methods employed checkerboard assays to investigate synergism, biofilm inhibition assessment and membrane integrity assay. In addition, the study included in vivo evaluation using a mouse infection model. Results: The checkerboard method evaluated 48 combinations, with 23 indicating synergistic action. Among these, carvacrol 10 mg/kg plus polymyxin B 2 mg/kg exhibited in vivo antimicrobial activity in a mouse model of infection, resulting in increased survival and a significant decrease in bacterial load in the blood. Conclusion: Polymyxin in synergy with carvacrol represents a promising alternative to be explored in the development of new antimicrobials.
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Affiliation(s)
- Gleyce Ha de Souza
- Laboratório de Pesquisa em Ciências da Saúde, Universidade Federal da Grande Dourados - UFGD, Dourados, Mato Grosso do Sul, 79825-900, Brazil
| | - Marcia Sm Vaz
- Laboratório de Pesquisa em Ciências da Saúde, Universidade Federal da Grande Dourados - UFGD, Dourados, Mato Grosso do Sul, 79825-900, Brazil
| | - Joyce A Dos Santos Radai
- Laboratório de Pesquisa em Ciências da Saúde, Universidade Federal da Grande Dourados - UFGD, Dourados, Mato Grosso do Sul, 79825-900, Brazil
| | - Thiago L Fraga
- Centro Universitário da Grande Dourados - UNIGRAN, Dourados, Mato Grosso do Sul, 79824-900, Brazil
| | - Luana Rossato
- Laboratório de Pesquisa em Ciências da Saúde, Universidade Federal da Grande Dourados - UFGD, Dourados, Mato Grosso do Sul, 79825-900, Brazil
| | - Simone Simionatto
- Laboratório de Pesquisa em Ciências da Saúde, Universidade Federal da Grande Dourados - UFGD, Dourados, Mato Grosso do Sul, 79825-900, Brazil
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Malczak I, Gajda A. Interactions of naturally occurring compounds with antimicrobials. J Pharm Anal 2023; 13:1452-1470. [PMID: 38223447 PMCID: PMC10785267 DOI: 10.1016/j.jpha.2023.09.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 09/12/2023] [Accepted: 09/19/2023] [Indexed: 01/16/2024] Open
Abstract
Antibiotics are among the most often used medications in human healthcare and agriculture. Overusing these substances can lead to complications such as increasing antibiotic resistance in bacteria or a toxic effect when administering large amounts. To solve these problems, new solutions in antibacterial therapy are needed. The use of natural products in medicine has been known for centuries. Some of them have antibacterial activity, hence the idea to combine their activity with commercial antibiotics to reduce the latter's use. This review presents collected information on natural compounds (terpenes, alkaloids, flavonoids, tannins, sulfoxides, and mycotoxins), of which various drug interactions have been observed. Many of the indicated compounds show synergistic or additive interactions with antibiotics, which suggests their potential for use in antibacterial therapy, reducing the toxicity of the antibiotics used and the risk of further development of bacterial resistance. Unfortunately, there are also compounds which interact antagonistically, potentially hindering the therapy of bacterial infection. Depending on its mechanism of action, each compound can behave differently in combination with different antibiotics and when acting against various bacterial strains.
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Affiliation(s)
- Izabela Malczak
- Department of Pharmacology and Toxicology, National Veterinary Research Institute, Partyzantów 57, 24-100, Poland
| | - Anna Gajda
- Department of Pharmacology and Toxicology, National Veterinary Research Institute, Partyzantów 57, 24-100, Poland
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3
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Gutiérrez-Pacheco MM, Torres-Moreno H, Flores-Lopez ML, Velázquez Guadarrama N, Ayala-Zavala JF, Ortega-Ramírez LA, López-Romero JC. Mechanisms and Applications of Citral's Antimicrobial Properties in Food Preservation and Pharmaceuticals Formulations. Antibiotics (Basel) 2023; 12:1608. [PMID: 37998810 PMCID: PMC10668791 DOI: 10.3390/antibiotics12111608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Revised: 11/01/2023] [Accepted: 11/04/2023] [Indexed: 11/25/2023] Open
Abstract
Citral is a monoterpene constituted by two isomers known as neral and geranial. It is present in different plant sources and recognized as safe (GRAS) by the Food and Drug Administration (FDA). In recent years, investigations have demonstrated that this compound exhibited several biological activities, such as antibacterial, antifungal, antibiofilm, antiparasitic, antiproliferative, anti-inflammatory, and antioxidant properties, by in vitro and in vivo assays. Additionally, when incorporated into different food matrices, citral can reduce the microbial load of pathogenic microorganisms and extend the shelf life. This compound has acceptable drug-likeness properties and does not present any violations of Lipinski's rules, which could be used for drug development. The above shows that citral could be a compound of interest for developing food additives to extend the shelf life of animal and vegetable origin foods and develop pharmaceutical products.
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Affiliation(s)
| | - Heriberto Torres-Moreno
- Departamento de Ciencias Químico-Biológicas y Agropecuarias, Universidad de Sonora, H. Caborca 83600, Sonora, Mexico;
| | - María Liliana Flores-Lopez
- Centro de Investigación e Innovación Científica y Tecnológica, Universidad Autónoma de Coahuila, Saltillo 25070, Coahuila, Mexico;
| | - Norma Velázquez Guadarrama
- Laboratorio de Investigación en Enfermedades Infecciosas, Hospital Infantil de México Federico Gómez, Mexico City 06720, Mexico;
| | - J. Fernando Ayala-Zavala
- Coordinación de Tecnología de Alimentos de Origen Vegetal, Centro de Investigación en Alimentación y Desarrollo, A. C. Carretera Gustavo Astiazarán Rosas No. 46, Colonia la Victoria, Hermosillo 83304, Sonora, Mexico;
| | - Luis Alberto Ortega-Ramírez
- Departamento de Ciencias de la Salud, Universidad Estatal de Sonora, San Luis Río Colorado 83430, Sonora, Mexico;
| | - Julio César López-Romero
- Departamento de Ciencias Químico-Biológicas y Agropecuarias, Universidad de Sonora, H. Caborca 83600, Sonora, Mexico;
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Boichis E, Sigal N, Borovok I, Herskovits AA. A Metzincin and TIMP-Like Protein Pair of a Phage Origin Sensitize Listeria monocytogenes to Phage Lysins and Other Cell Wall Targeting Agents. Microorganisms 2021; 9:1323. [PMID: 34207021 PMCID: PMC8235301 DOI: 10.3390/microorganisms9061323] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 06/14/2021] [Accepted: 06/15/2021] [Indexed: 11/17/2022] Open
Abstract
Infection of mammalian cells by Listeria monocytogenes (Lm) was shown to be facilitated by its phage elements. In a search for additional phage remnants that play a role in Lm's lifecycle, we identified a conserved locus containing two XRE regulators and a pair of genes encoding a secreted metzincin protease and a lipoprotein structurally similar to a TIMP-family metzincin inhibitor. We found that the XRE regulators act as a classic CI/Cro regulatory switch that regulates the expression of the metzincin and TIMP-like genes under intracellular growth conditions. We established that when these genes are expressed, their products alter Lm morphology and increase its sensitivity to phage mediated lysis, thereby enhancing virion release. Expression of these proteins also sensitized the bacteria to cell wall targeting compounds, implying that they modulate the cell wall structure. Our data indicate that these effects are mediated by the cleavage of the TIMP-like protein by the metzincin, and its subsequent release to the extracellular milieu. While the importance of this locus to Lm pathogenicity remains unclear, the observation that this phage-associated protein pair act upon the bacterial cell wall may hold promise in the field of antibiotic potentiation to combat antibiotic resistant bacterial pathogens.
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Affiliation(s)
| | | | | | - Anat A. Herskovits
- The Shmunis School of Biomedicine and Cancer Research, Faculty of Life Sciences, Tel Aviv University, Ramat Aviv, Tel Aviv 69978, Israel; (E.B.); (N.S.); (I.B.)
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Cao Y, Zhou D, Zhang X, Xiao X, Yu Y, Li X. Synergistic effect of citral and carvacrol and their combination with mild heat against Cronobacter sakazakii CICC 21544 in reconstituted infant formula. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2020.110617] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Natural Plant-Derived Chemical Compounds as Listeria monocytogenes Inhibitors In Vitro and in Food Model Systems. Pathogens 2020; 10:pathogens10010012. [PMID: 33375619 PMCID: PMC7823385 DOI: 10.3390/pathogens10010012] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 12/07/2020] [Accepted: 12/22/2020] [Indexed: 01/08/2023] Open
Abstract
Listeria monocytogenes is a foodborne pathogen, sporadically present in various food product groups. An illness caused by the pathogen, named listeriosis, has high fatality rates. Even though L. monocytogenes is resistant to many environmental factors, e.g., low temperatures, low pH and high salinity, it is susceptible to various natural plant-derived antimicrobials (NPDA), including thymol, carvacrol, eugenol, trans-cinnamaldehyde, carvone S, linalool, citral, (E)-2-hexenal and many others. This review focuses on identifying NPDAs active against L. monocytogenes and their mechanisms of action against the pathogen, as well as on studies that showed antimicrobial action of the compounds against the pathogen in food model systems. Synergistic action of NDPA with other factors, biofilm inhibition and alternative delivery systems (encapsulation and active films) of the compounds tested against L. monocytogenes are also summarized briefly.
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7
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Effect of thymoquinone on the resistance of Cronobacter sakazakii to environmental stresses and antibiotics. Food Control 2020. [DOI: 10.1016/j.foodcont.2019.106944] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Braschi G, Patrignani F, Siroli L, Lanciotti R, Schlueter O, Froehling A. Flow Cytometric Assessment of the Morphological and Physiological Changes of Listeria monocytogenes and Escherichia coli in Response to Natural Antimicrobial Exposure. Front Microbiol 2018; 9:2783. [PMID: 30487788 PMCID: PMC6246641 DOI: 10.3389/fmicb.2018.02783] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Accepted: 10/30/2018] [Indexed: 11/24/2022] Open
Abstract
Essential oils (EOs) or their components represent one of the most promising natural, safe, and feasible alternatives to prevent the growth of food-borne pathogens like Listeria monocytogenes and Escherichia coli in food matrices. Although antimicrobial properties of EOs and their components are well-documented, limited and fragmented information is available on the changes induced by these compounds, even at sub-lethal concentrations, in the physiological properties of microbial cells. The aim of this study was to explore the morpho-physiological changes of L. monocytogenes Scott A and E. coli MG 1655 induced after 1 h exposure to different sub-lethal and lethal concentrations of citral, carvacrol, (E)-2-hexenal, and thyme EO. For this purpose, different cell viability parameters such as membrane integrity, esterase activity, and cytoplasmic cell membrane potential were measured by flow cytometry. Flow cytometric data revealed specific response patterns in relation to the strain, the natural antimicrobial and its concentrations. Both the target microbial strains showed an increased cell membrane permeabilization without a loss of esterase activity and cell membrane potential with increasing citral, carvacrol and thyme EO concentrations. By contrast, (E)-2-hexenal did not significantly affect the measured physiological properties of L. monocytogenes Scott A and E. coli MG 1655. The used approach allowed identifying the most effective natural antimicrobials in relation to the microbial target.
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Affiliation(s)
- Giacomo Braschi
- Campus Food Science, Department of Agricultural and Food Sciences, Alma Mater Studiorum, University of Bologna, Cesena, Italy
| | - Francesca Patrignani
- Campus Food Science, Department of Agricultural and Food Sciences, Alma Mater Studiorum, University of Bologna, Cesena, Italy
| | - Lorenzo Siroli
- Campus Food Science, Department of Agricultural and Food Sciences, Alma Mater Studiorum, University of Bologna, Cesena, Italy
| | - Rosalba Lanciotti
- Campus Food Science, Department of Agricultural and Food Sciences, Alma Mater Studiorum, University of Bologna, Cesena, Italy
| | - Oliver Schlueter
- Leibniz Institute for Agricultural Engineering and Bioeconomy, Quality and Safety of Food and Feed, Potsdam, Germany
| | - Antje Froehling
- Leibniz Institute for Agricultural Engineering and Bioeconomy, Quality and Safety of Food and Feed, Potsdam, Germany
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Olaimat AN, Al-Holy MA, Shahbaz HM, Al-Nabulsi AA, Abu Ghoush MH, Osaili TM, Ayyash MM, Holley RA. Emergence of Antibiotic Resistance in Listeria monocytogenes Isolated from Food Products: A Comprehensive Review. Compr Rev Food Sci Food Saf 2018; 17:1277-1292. [PMID: 33350166 DOI: 10.1111/1541-4337.12387] [Citation(s) in RCA: 114] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Revised: 04/07/2018] [Accepted: 06/07/2018] [Indexed: 12/12/2022]
Abstract
Listeria monocytogenes is an opportunistic pathogen that has been involved in several deadly illness outbreaks. Future outbreaks may be more difficult to manage because of the emergence of antibiotic resistance among L. monocytogenes strains isolated from food products. The present review summarizes the available evidence on the emergence of antibiotic resistance among L. monocytogenes strains isolated from food products and the possible ways this resistance has developed. Furthermore, the resistance of food L. monocytogenes isolates to antibiotics currently used in the treatment of human listeriosis such as penicillin, ampicillin, tetracycline, and gentamicin, has been documented. Acquisition of movable genetic elements is considered the major mechanism of antibiotic resistance development in L. monocytogenes. Efflux pumps have also been linked with resistance of L. monocytogenes to some antibiotics including fluoroquinolones. Some L. monocytogenes strains isolated from food products are intrinsically resistant to several antibiotics. However, factors in food processing chains and environments (from farm to table) including extensive or sub-inhibitory antibiotics use, horizontal gene transfer, exposure to environmental stresses, biofilm formation, and presence of persister cells play crucial roles in the development of antibiotic resistance by L. monocytogenes.
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Affiliation(s)
- Amin N Olaimat
- Dept. of Clinical Nutrition and Dietetics, Faculty of Allied Health Sciences, Hashemite Univ., P.O. Box 150459, Zarqa, 13115, Jordan
| | - Murad A Al-Holy
- Dept. of Clinical Nutrition and Dietetics, Faculty of Allied Health Sciences, Hashemite Univ., P.O. Box 150459, Zarqa, 13115, Jordan
| | - Hafiz M Shahbaz
- Dept. of Food Science and Human Nutrition, Univ. of Veterinary and Animal Sciences, Lahore, 54000, Pakistan
| | - Anas A Al-Nabulsi
- Dept. of Nutrition and Food Technology, Jordan Univ. of Science and Technology, P.O. Box 3030, Irbid, Jordan
| | - Mahmoud H Abu Ghoush
- Dept. of Clinical Nutrition and Dietetics, Faculty of Allied Health Sciences, Hashemite Univ., P.O. Box 150459, Zarqa, 13115, Jordan
| | - Tareq M Osaili
- Dept. of Nutrition and Food Technology, Jordan Univ. of Science and Technology, P.O. Box 3030, Irbid, Jordan.,Dept. of Clinical Nutrition and Dietetics, College of Health Sciences, Univ. of Sharjah, Sharjah, United Arab Emirates
| | - Mutamed M Ayyash
- Dept. of Food Science, United Arab Emirates Univ., Al Ain, United Arab Emirates
| | - Richard A Holley
- Dept. of Food and Human Nutritional Sciences, Faculty of Agricultural and Food Sciences, Univ. of Manitoba, Winnipeg, Manitoba, R3T 2N2, Canada
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Marchese A, Arciola CR, Coppo E, Barbieri R, Barreca D, Chebaibi S, Sobarzo-Sánchez E, Nabavi SF, Nabavi SM, Daglia M. The natural plant compound carvacrol as an antimicrobial and anti-biofilm agent: mechanisms, synergies and bio-inspired anti-infective materials. BIOFOULING 2018; 34:630-656. [PMID: 30067078 DOI: 10.1080/08927014.2018.1480756] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Accepted: 05/20/2018] [Indexed: 06/08/2023]
Abstract
Carvacrol (5-isopropyl-2-methyl phenol) is a natural compound that occurs in the leaves of a number of plants and herbs including wild bergamot, thyme and pepperwort, but which is most abundant in oregano. The aim of this review is to analyse the scientific data from the last five years (2012-2017) on the antimicrobial and anti-biofilm activities of carvacrol, targeting different bacteria and fungi responsible for human infectious diseases. The antimicrobial and anti-biofilm mechanisms of carvacrol and its synergies with antibiotics are illustrated. The potential of carvacrol-loaded anti-infective nanomaterials is underlined. Carvacrol shows excellent antimicrobial and anti-biofilm activities, and is a very interesting bioactive compound against fungi and a wide range of Gram-positive and Gram-negative bacteria, and being active against both planktonic and sessile human pathogens. Moreover, carvacrol lends itself to being combined with nanomaterials, thus providing an opportunity for preventing biofilm-associated infections by new bio-inspired, anti-infective materials.
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Affiliation(s)
- Anna Marchese
- a Microbiology Section DISC-Ospedale Policlinico San Martino , University of Genoa , Genoa , Italy
| | - Carla Renata Arciola
- b Department of Experimental, Diagnostic and Specialty Medicine , University of Bologna , Bologna , Italy
- c Research Unit on Implant Infections , Rizzoli Orthopaedic Institute , Bologna , Italy
| | - Erika Coppo
- d Microbiology Section DISC , University of Genoa , Genoa , Italy
| | - Ramona Barbieri
- d Microbiology Section DISC , University of Genoa , Genoa , Italy
| | - Davide Barreca
- e Department of Chemical, Biological, Pharmaceutical and Environmental Sciences , University of Messina , Messina , Italy
| | - Salima Chebaibi
- f Department of Health and Environment, Science Faculty , University Moulay Ismail , Meknes , Morocco
| | - Eduardo Sobarzo-Sánchez
- g Laboratory of Pharmaceutical Chemistry, Faculty of Pharmacy , University of Santiago de Compostela , Spain
- h Instituto de Investigación e Innovación en Salud, Facultad de Ciencias de la Salud , Universidad Central de Chile , Chile
| | - Seyed Fazel Nabavi
- i Applied Biotechnology Research Center , Baqiyatallah University of Medical Sciences , Tehran , Iran
| | - Seyed Mohammad Nabavi
- i Applied Biotechnology Research Center , Baqiyatallah University of Medical Sciences , Tehran , Iran
| | - Maria Daglia
- j Department of Drug Sciences, Medicinal Chemistry and Pharmaceutical Technology Section , University of Pavia , Pavia , Italy
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Friedman M. Chemistry and multibeneficial bioactivities of carvacrol (4-isopropyl-2-methylphenol), a component of essential oils produced by aromatic plants and spices. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2014; 62:7652-7670. [PMID: 25058878 DOI: 10.1021/jf5023862] [Citation(s) in RCA: 107] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Aromatic plants produce organic compounds that may be involved in the defense of plants against phytopathogenic insects, bacteria, fungi, and viruses. One of these compounds, called carvacrol, which is found in high concentrations in essential oils such as oregano, has been reported to exhibit numerous bioactivities in cells and animals. This integrated overview surveys and interprets our present knowledge of the chemistry and analysis of carvacrol and its beneficial bioactivities. These activities include its antioxidative properties in food (e.g., lard, sunflower oil) and in vivo and the inhibition of foodborne and human antibiotic-susceptible and antibiotic-resistant pathogenic bacteria, viruses, pathogenic fungi and parasites, and insects in vitro and in human foods (e.g., apple juice, eggs, leafy greens, meat and poultry products, milk, oysters) and food animal feeds and wastes. Also covered are inhibitions of microbial and fungal toxin production and the anti-inflammatory, analgesic, antiarthritic, antiallergic, anticarcinogenic, antidiabetic, cardioprotective, gastroprotective, hepatoprotective, and neuroprotective properties of carvacrol as well as metabolic, synergistic, and mechanistic aspects. Areas for future research are also suggested. The collated information and suggested research might contribute to a better understanding of agronomical, biosynthetic, chemical, physiological, and cellular mechanisms of the described health-promoting effects of carvacrol, and facilitate and guide further studies needed to optimize the use of carvacrol as a multifunctional food in pure and encapsulated forms, in edible antimicrobial films, and in combination with plant-derived and medical antibiotics to help prevent or treat animal and human diseases.
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Affiliation(s)
- Mendel Friedman
- Western Regional Research Center, Agricultural Research Service , U.S. Department of Agriculture, Albany, California 94710, United States
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