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Asker AYM, Al Haidar AHM. Green synthesis of gold nanoparticles using Pelargonium Graveolens leaf extract: characterization and anti-microbial properties (An in-vitro study). F1000Res 2024; 13:572. [PMID: 39206275 PMCID: PMC11350326 DOI: 10.12688/f1000research.150769.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/28/2024] [Indexed: 09/04/2024] Open
Abstract
Background In recent years, there has been a notable increase in the level of attention devoted to exploring capabilities of nanoparticles, specifically gold nanoparticles AuNPs, within context of modern times. AuNPs possess distinct biophysical properties, as a novel avenue as an antibacterial agent targeting Streptococcus Mutans and Candida Albicans. The aim of this study to create a nano-platform that has the potential to be environmentally sustainable, in addition to exhibiting exceptional antimicrobial properties against Streptococcus Mutans as well as Candida Albicans. Methods this study involved utilization of Pelargonium Graveolens leaves extract as a cost effective and environmentally sustainable approach for the green synthesis of AuNPs. Subsequently, physicochemical characteristics were assessed employing a variety of analytical methods, including as transmission electron microscopy, X-ray diffraction, Field Emission Scanning Electron Microscope, Zeta potential, Ultraviolet visible absorption spectroscopy, and Energy dispersive X-ray spectroscopy and Fourier transform infrared spectroscopy. The antimicrobial efficacy against Streptococcus Mutans and Candida Albicans was evaluated. Nanoparticles of various shapes, including hexagonal, spherical, semi-spherical, and triangular, were synthesized. These nanoparticles exhibited a mean particle size of 294nm and demonstrated low degree of aggregation. These nanoparticles exhibited long-term stability and were capable of facilely combining with diverse bioactive compounds. Results The study demonstrated that AuNPs which is synthesized by green methods display potent antimicrobial properties. Conclusion Utilization of Pelargonium Graveolens AuNPs may exhibit a promising potential as an antibacterial agent against Streptococcus Mutans and Candida Albicans. Nanoparticles (NPs) have the potential to serve as a novel approach for addressing pathogen infections as well as for biomedical, dental and pharmaceutical purposes in the future.
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Zheng L, Guo H, Zhu M, Xie L, Jin J, Korma SA, Jin Q, Wang X, Cacciotti I. Intrinsic properties and extrinsic factors of food matrix system affecting the effectiveness of essential oils in foods: a comprehensive review. Crit Rev Food Sci Nutr 2024; 64:7363-7396. [PMID: 36861257 DOI: 10.1080/10408398.2023.2184767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/03/2023]
Abstract
Essential oils (EOs) have been proved as natural food preservatives because of their effective and wide-spectrum antimicrobial activity. They have been extensively explored for potential applications in food industry, and substantial progresses have been achieved. However well EOs perform in antibacterial tests in vitro, it has generally been found that a higher level of EOs is needed to achieve the same effect in foods. Nevertheless, this unsimilar effect has not been clearly quantified and elaborated, as well as the underlying mechanisms. This review highlights the influence of intrinsic properties (e.g., oils and fats, carbohydrates, proteins, pH, physical structure, water, and salt) and extrinsic factors (e.g., temperature, bacteria characteristics, and packaging in vacuum/gas/air) of food matrix systems on EOs action. Controversy findings and possible mechanism hypotheses are also systematically discussed. Furthermore, the organoleptic aspects of EOs in foods and promising strategies to address this hurdle are reviewed. Finally, some considerations about the EOs safety are presented, as well as the future trends and research prospects of EOs applications in foods. The present review aims to fill the evidenced gap, providing a comprehensive overview about the influence of the intrinsic and extrinsic factors of food matrix systems to efficiently orientate EOs applications.
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Affiliation(s)
- Liyou Zheng
- School of Biological and Food Engineering, Anhui Polytechnic University, Wuhu, Anhui, P. R. China
| | - Hongyan Guo
- School of Biological and Food Engineering, Anhui Polytechnic University, Wuhu, Anhui, P. R. China
| | - Miaomiao Zhu
- School of Biological and Food Engineering, Anhui Polytechnic University, Wuhu, Anhui, P. R. China
| | - Liangliang Xie
- School of Biological and Food Engineering, Anhui Polytechnic University, Wuhu, Anhui, P. R. China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, National Engineering Research Center for Functional Food, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, P. R. China
| | - Jun Jin
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, National Engineering Research Center for Functional Food, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, P. R. China
| | - Sameh A Korma
- Department of Food Science, Faculty of Agriculture, Zagazig University, Zagazig, Sharkia, Egypt
- School of Food Science and Engineering, South China University of Technology, Guangzhou, Guangdong, P. R. China
| | - Qingzhe Jin
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, National Engineering Research Center for Functional Food, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, P. R. China
| | - Xingguo Wang
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, National Engineering Research Center for Functional Food, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, P. R. China
| | - Ilaria Cacciotti
- Department of Engineering, INSTM RU, University of Rome "Niccolò Cusano", Roma, Italy
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Huang YL, Huang CH, Huang YC, Yen CL, Hsu CR. Anti-biofilm activities and antibiotic synergy of naturally occurring compounds against drug-resistant rapidly growing mycobacteria. Microbiol Spectr 2024; 12:e0019924. [PMID: 38934606 PMCID: PMC11302017 DOI: 10.1128/spectrum.00199-24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Accepted: 05/27/2024] [Indexed: 06/28/2024] Open
Abstract
Some naturally occurring compounds, known for their antimicrobial activities, have been employed as food additives. However, their efficacy in treating infections caused by antibiotic-resistant bacteria is yet to be fully explored. Rapidly growing mycobacteria (RGM), a category within nontuberculous mycobacteria (NTM), are prevalent in various environments and can lead to infections in humans. The rise of antimicrobial resistance within RGM is a documented concern. In this study, we reported that four specific natural compounds effectively inhibited the growth and biofilm formation of three key RGM pathogens M. abscessus, M. fortuitum, and M. chelonae. We screened 12 natural compounds for their effectiveness against antibiotic-resistant clinical strains of RGM. Four compounds showed significant inhibitory effects from the most effective to least: trans-cinnamaldehyde, carvacrol, gentisaldehyde, and phloroglucinaldehyde. In the analysis of time-killing kinetics, gentisaldehyde and phloroglucinaldehyde displayed bactericidal activity while trans-cinnamaldehyde and carvacrol exhibited bacteriostatic effects. At 1× minimal inhibition concentrations, these compounds significantly reduced biofilm formation in all three RGM species to levels between 2.9% and 20.5% relative to controls. Checkerboard assays indicated synergistic interactions between these four compounds and antibiotics such as amikacin, clarithromycin, and linezolid. Of these 12 compound-antibiotic combinations, the pairs of carvacrol-linezolid, carvacrol-amikacin, and gentisaldehyde-clarithromycin demonstrated the most synergy against multiple RGM strains. Moreover, two other compounds citral and geraniol showed synergism with all three test antibiotics. Time-killing assays further confirmed most of synergistic combinations identified in the checkerboard tests. Our research suggests the potential of these essential oils and phenolic aldehydes, both individually and in combination with antibiotics, in treating RGM infections. In addition, this work illuminates applications of these natural compounds in environmental remediation to mitigate bacterial persistence for the control of infectious diseases. IMPORTANCE The emergence of antimicrobial resistance within rapidly growing mycobacteria (RGM) poses a significant threat to public health. This study investigates the potential of naturally occurring compounds to combat infections caused by antibiotic-resistant RGM including M. abscessus, M. fortuitum, and M. chelonae. We identified four specific natural compounds showing impressive inhibitory effects against antibiotic-resistant clinical strains. These compounds not only inhibited the growth and biofilm formation but also exhibited synergistic interactions with antibiotics against key RGM pathogens. Our findings highlight the alternative treatment strategies for RGM infections and potential environmental applications of these natural compounds in mitigating microbial persistence and controlling infectious diseases.
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Affiliation(s)
- Ya-Ling Huang
- Department of Laboratory Medicine, E-Da Hospital, I-Shou University, Kaohsiung, Taiwan
- Department of Medical Laboratory Science, College of Medical Science and Technology, I-Shou University, Kaohsiung, Taiwan
| | - Chen-Hsiu Huang
- Department of Bioscience and Biotechnology, National Taiwan Ocean University, Keelung, Taiwan
| | - Yu-Chieh Huang
- Department of Bioscience and Biotechnology, National Taiwan Ocean University, Keelung, Taiwan
| | - Chun-Lun Yen
- Department of Bioscience and Biotechnology, National Taiwan Ocean University, Keelung, Taiwan
| | - Chun-Ru Hsu
- Department of Bioscience and Biotechnology, National Taiwan Ocean University, Keelung, Taiwan
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Bukvicki D, D’Alessandro M, Rossi S, Siroli L, Gottardi D, Braschi G, Patrignani F, Lanciotti R. Essential Oils and Their Combination with Lactic Acid Bacteria and Bacteriocins to Improve the Safety and Shelf Life of Foods: A Review. Foods 2023; 12:3288. [PMID: 37685221 PMCID: PMC10486891 DOI: 10.3390/foods12173288] [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: 08/01/2023] [Revised: 08/24/2023] [Accepted: 08/28/2023] [Indexed: 09/10/2023] Open
Abstract
The use of plant extracts (e.g., essential oils and their active compounds) represents an interesting alternative to chemical additives and preservatives applied to delay the alteration and oxidation of foods during their storage. Essential oils (EO) are nowadays considered valuable sources of food preservatives as they provide a healthier alternative to synthetic chemicals while serving the same purpose without affecting food quality parameters. The natural antimicrobial molecules found in medicinal plants represent a possible solution against drug-resistant bacteria, which represent a global health problem, especially for foodborne infections. Several solutions related to their application on food have been described, such as incorporation in active packaging or edible film and direct encapsulation. However, the use of bioactive concentrations of plant derivatives may negatively impact the sensorial characteristics of the final product, and to solve this problem, their application has been proposed in combination with other hurdles, including biocontrol agents. Biocontrol agents are microbial cultures capable of producing natural antimicrobials, including bacteriocins, organic acids, volatile organic compounds, and hydrolytic enzymes. The major effect of bacteriocins or bacteriocin-producing LAB (lactic acid bacteria) on food is obtained when their use is combined with other preservation methods. The combined use of EOs and biocontrol agents in fruit and vegetables, meat, and dairy products is becoming more and more important due to growing concerns about potentially dangerous and toxic synthetic additives. The combination of these two hurdles can improve the safety and shelf life (inactivation of spoilage or pathogenic microorganisms) of the final products while maintaining or stabilizing their sensory and nutritional quality. This review critically describes and collects the most updated works regarding the application of EOs in different food sectors and their combination with biocontrol agents and bacteriocins.
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Affiliation(s)
- Danka Bukvicki
- Faculty of Biology, Institute of Botany and Botanical Garden ‘Jevremovac’, University of Belgrade, Takovska 43, 11000 Belgrade, Serbia;
| | - Margherita D’Alessandro
- Department of Agricultural and Food Sciences, University of Bologna, 40127 Bologna, Italy; (M.D.); (S.R.); (D.G.); (G.B.); (F.P.); (R.L.)
| | - Samantha Rossi
- Department of Agricultural and Food Sciences, University of Bologna, 40127 Bologna, Italy; (M.D.); (S.R.); (D.G.); (G.B.); (F.P.); (R.L.)
| | - Lorenzo Siroli
- Department of Agricultural and Food Sciences, University of Bologna, 40127 Bologna, Italy; (M.D.); (S.R.); (D.G.); (G.B.); (F.P.); (R.L.)
| | - Davide Gottardi
- Department of Agricultural and Food Sciences, University of Bologna, 40127 Bologna, Italy; (M.D.); (S.R.); (D.G.); (G.B.); (F.P.); (R.L.)
- Interdepartmental Centre for Industrial Agri-Food Research, University of Bologna, 47521 Cesena, Italy
| | - Giacomo Braschi
- Department of Agricultural and Food Sciences, University of Bologna, 40127 Bologna, Italy; (M.D.); (S.R.); (D.G.); (G.B.); (F.P.); (R.L.)
| | - Francesca Patrignani
- Department of Agricultural and Food Sciences, University of Bologna, 40127 Bologna, Italy; (M.D.); (S.R.); (D.G.); (G.B.); (F.P.); (R.L.)
- Interdepartmental Centre for Industrial Agri-Food Research, University of Bologna, 47521 Cesena, Italy
| | - Rosalba Lanciotti
- Department of Agricultural and Food Sciences, University of Bologna, 40127 Bologna, Italy; (M.D.); (S.R.); (D.G.); (G.B.); (F.P.); (R.L.)
- Interdepartmental Centre for Industrial Agri-Food Research, University of Bologna, 47521 Cesena, Italy
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Julizan N, Ishmayana S, Zainuddin A, Van Hung P, Kurnia D. Potential of Syzygnium polyanthum as Natural Food Preservative: A Review. Foods 2023; 12:2275. [PMID: 37372486 DOI: 10.3390/foods12122275] [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: 04/30/2023] [Revised: 05/25/2023] [Accepted: 06/03/2023] [Indexed: 06/29/2023] Open
Abstract
Food preservation is one of the strategies taken to maintain the level of public health. Oxidation activity and microbial contamination are the primary causes of food spoilage. For health reasons, people prefer natural preservatives over synthetic ones. Syzygnium polyanthum is widely spread throughout Asia and is utilized as a spice by the community. S. polyanthum has been found to be rich in phenols, hydroquinones, tannins, and flavonoids, which are potential antioxidants and antimicrobial agents. Consequently, S. polyanthum presents a tremendous opportunity as a natural preservative. This paper reviews recent articles about S. polyanthum dating back to the year 2000. This review summarizes the findings of natural compounds presented in S. polyanthum and their functional properties as antioxidants, antimicrobial agents, and natural preservatives in various types of food.
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Affiliation(s)
- Nur Julizan
- Department of Chemistry, Faculty of Mathematics and Natural Science, Universitas Padjadjaran, Sumedang 45363, Indonesia
| | - Safri Ishmayana
- Department of Chemistry, Faculty of Mathematics and Natural Science, Universitas Padjadjaran, Sumedang 45363, Indonesia
| | - Achmad Zainuddin
- Department of Chemistry, Faculty of Mathematics and Natural Science, Universitas Padjadjaran, Sumedang 45363, Indonesia
| | - Pham Van Hung
- School of Biotechnology, International University, Vietnam National University, Ho Chi Minh City 721400, Vietnam
| | - Dikdik Kurnia
- Department of Chemistry, Faculty of Mathematics and Natural Science, Universitas Padjadjaran, Sumedang 45363, Indonesia
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Schneider G, Steinbach A, Putics Á, Solti-Hodován Á, Palkovics T. Potential of Essential Oils in the Control of Listeria monocytogenes. Microorganisms 2023; 11:1364. [PMID: 37374865 DOI: 10.3390/microorganisms11061364] [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: 03/31/2023] [Revised: 05/03/2023] [Accepted: 05/20/2023] [Indexed: 06/29/2023] Open
Abstract
Listeria monocytogenes is a foodborne pathogen, the causative agent of listeriosis. Infections typically occur through consumption of foods, such as meats, fisheries, milk, vegetables, and fruits. Today, chemical preservatives are used in foods; however, due to their effects on human health, attention is increasingly turning to natural decontamination practices. One option is the application of essential oils (EOs) with antibacterial features, since EOs are considered by many authorities as being safe. In this review, we aimed to summarize the results of recent research focusing on EOs with antilisterial activity. We review different methods via which the antilisterial effect and the antimicrobial mode of action of EOs or their compounds can be investigated. In the second part of the review, results of those studies from the last 10 years are summarized, in which EOs with antilisterial effects were applied in and on different food matrices. This section only included those studies in which EOs or their pure compounds were tested alone, without combining them with any additional physical or chemical procedure or additive. Tests were performed at different temperatures and, in certain cases, by applying different coating materials. Although certain coatings can enhance the antilisterial effect of an EO, the most effective way is to mix the EO into the food matrix. In conclusion, the application of EOs is justified in the food industry as food preservatives and could help to eliminate this zoonotic bacterium from the food chain.
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Affiliation(s)
- György Schneider
- Department of Medical Microbiology and Immunology, Medical School, University of Pécs, Szigeti St. 12, H-7624 Pécs, Hungary
| | - Anita Steinbach
- Department of Medical Microbiology and Immunology, Medical School, University of Pécs, Szigeti St. 12, H-7624 Pécs, Hungary
| | - Ákos Putics
- Central Laboratory, Aladár Petz Teaching Hospital, Vasvári Pál Street 2-4, H-9024 Győr, Hungary
| | - Ágnes Solti-Hodován
- Department of Medical Microbiology and Immunology, Medical School, University of Pécs, Szigeti St. 12, H-7624 Pécs, Hungary
| | - Tamás Palkovics
- Department of Medical Microbiology and Immunology, Medical School, University of Pécs, Szigeti St. 12, H-7624 Pécs, Hungary
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Chowdhury H, Kumar Bera A, Subhasmita Raut S, Chandra Malick R, Sekhar Swain H, Saha A, Kumar Das B. In Vitro Antibacterial Efficacy of Cymbopogon flexuosus Essential Oil against Aeromonas hydrophila of Fish Origin and in Silico Molecular Docking of the Essential Oil Components against DNA Gyrase-B and Their Drug-Likeness. Chem Biodivers 2023; 20:e202200668. [PMID: 36799768 DOI: 10.1002/cbdv.202200668] [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: 07/21/2022] [Revised: 01/31/2023] [Accepted: 02/14/2023] [Indexed: 02/18/2023]
Abstract
In aquaculture, diseases caused by the Aeromonads with high antibiotic resistance are among the most common and troublesome diseases. Application of herbs is emerging as a tool in controlling these diseases. Plant extracts besides disease control, favor various physiological activities in fish. In this study, essential oil of Cymbopogon flexuosus (Poaceae family) was studied in vitro for its antibacterial efficacy against two oxytetracycline (OTC) resistant and one sensitive strains of Aeromonas hydrophila. The oil was found rich (86.93 %) in oxygenated terpenoids containing 74.15 % of citral. The oil exhibited dose dependent growth inhibition of the bacteria. Mean MIC value of the oil against the sensitive strain was recorded as 2.0 mg mL-1 whereas MBC value was recorded as 4.0 mg mL-1 . The oil was found effective against the OTC resistant isolates with the MIC and MBC values ranging from 2.67-3.33 and 4.0-6.67 mg mL-1 , respectively. In silico molecular docking of the essential oil components against DNA gyrase-B, a vital macromolecule in bacterial cell, was carried out to computationally asses the efficacy of the oil against the bacteria. Some of the components of the essential oil strongly bonded with the enzyme to inhibit its efficacy. Binding energy of some components of the oil was comparable to that of the conventional antibiotic, OTC. The identified phytochemicals exhibited favorable physicochemical and pharmacokinetic properties and satisfied the rule of five (Ro5).
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Affiliation(s)
- Hemanta Chowdhury
- ICAR - Central Inland Fisheries Research Institute, Manirampore, Barrackpore, Kolkata 700 120, West Bengal, India
| | - Asit Kumar Bera
- ICAR - Central Inland Fisheries Research Institute, Manirampore, Barrackpore, Kolkata 700 120, West Bengal, India
| | - Subhashree Subhasmita Raut
- ICAR - Central Inland Fisheries Research Institute, Manirampore, Barrackpore, Kolkata 700 120, West Bengal, India
| | - Ramesh Chandra Malick
- ICAR - Central Inland Fisheries Research Institute, Manirampore, Barrackpore, Kolkata 700 120, West Bengal, India
| | - Himanshu Sekhar Swain
- ICAR - Central Inland Fisheries Research Institute, Manirampore, Barrackpore, Kolkata 700 120, West Bengal, India
| | - Ajoy Saha
- ICAR - Central Inland Fisheries Research Institute, Manirampore, Barrackpore, Kolkata 700 120, West Bengal, India
| | - Basanta Kumar Das
- ICAR - Central Inland Fisheries Research Institute, Manirampore, Barrackpore, Kolkata 700 120, West Bengal, India
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A Status Review on Health-Promoting Properties and Global Regulation of Essential Oils. Molecules 2023; 28:molecules28041809. [PMID: 36838797 PMCID: PMC9968027 DOI: 10.3390/molecules28041809] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Revised: 01/31/2023] [Accepted: 02/09/2023] [Indexed: 02/17/2023] Open
Abstract
Since ancient times, essential oils (EOs) have been known for their therapeutic potential against many health issues. Recent studies suggest that EOs may contribute to the regulation and modulation of various biomarkers and cellular pathways responsible for metabolic health as well as the development of many diseases, including cancer, obesity, diabetes, cardiovascular diseases, and bacterial infections. During metabolic dysfunction and even infections, the immune system becomes compromised and releases pro-inflammatory cytokines that lead to serious health consequences. The bioactive compounds present in EOs (especially terpenoids and phenylpropanoids) with different chemical compositions from fruits, vegetables, and medicinal plants confer protection against these metabolic and infectious diseases through anti-inflammatory, antioxidant, anti-cancer, and anti-microbial properties. In this review, we have highlighted some targeted physiological and cellular actions through which EOs may exhibit anti-inflammatory, anti-cancer, and anti-microbial properties. In addition, it has been observed that EOs from specific plant sources may play a significant role in the prevention of obesity, diabetes, hypertension, dyslipidemia, microbial infections, and increasing breast milk production, along with improvements in heart, liver, and brain health. The current status of the bioactive activities of EOs and their therapeutic effects are covered in this review. However, with respect to the health benefits of EOs, it is very important to regulate the dose and usage of EOs to reduce their adverse health effects. Therefore, we specified that some countries have their own regulatory bodies while others follow WHO and FAO standards and legislation for the use of EOs.
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Li Z, Zheng M, He P, Gong W, Liu Z, Xu C, Tai Z. Citral Essential Oil-Loaded Microcapsules by Simple Coacervation and Its Application on Peach Preservation. ACS OMEGA 2022; 7:42181-42190. [PMID: 36440131 PMCID: PMC9685779 DOI: 10.1021/acsomega.2c04928] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Accepted: 11/02/2022] [Indexed: 05/22/2023]
Abstract
Citral essential oil (CEO) was encapsulated by the single coalescence method, and its stability, release properties, and ability to maintain freshness were evaluated for the first time. The microshape characteristics of a CEO-loaded microcapsule (CM) were analyzed by inverted microscopy (OM) and scanning electron microscopy (SEM). The encapsulation efficiency, stability, and release behavior of CEO were evaluated using Fourier transform infrared spectroscopy (FTIR), thermogravimetric/differential thermal comprehensive analysis (TG/DSC), and gas chromatography mass spectrometry (GC/MS). Moreover, peaches were used to evaluate the preservation properties of the CEO-loaded microcapsule. The results showed that the microcapsule produced using simple coacervation had better microstructure and the ability to reduce and control the release of citral essential oil. The qualities of peaches, such as appearance changes, hardness, soluble solid content, total acids, and total bacterial counts, were significantly improved in the CM system during storage, in comparison with the control and cold storage groups. Therefore, the CM has potential applications and development prospects in the food, drug, and other industries.
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Affiliation(s)
- Zhenjie Li
- Yunnan
Key Laboratory of Tobacco Chemistry, R&D
Center of China Tobacco Yunnan Industry Co., Ltd., Kunming650231, P.R. China
| | - Minjie Zheng
- Faculty
of Life Science and Technology, Kunming
University of Science and Technology, Kunming650500, P.R. China
| | - Pei He
- Yunnan
Key Laboratory of Tobacco Chemistry, R&D
Center of China Tobacco Yunnan Industry Co., Ltd., Kunming650231, P.R. China
| | - Weimin Gong
- Yunnan
Key Laboratory of Tobacco Chemistry, R&D
Center of China Tobacco Yunnan Industry Co., Ltd., Kunming650231, P.R. China
| | - Zhihua Liu
- Yunnan
Key Laboratory of Tobacco Chemistry, R&D
Center of China Tobacco Yunnan Industry Co., Ltd., Kunming650231, P.R. China
| | - Chunping Xu
- College
of Food and Bioengineering, Zhengzhou University
of Light Industry, Zhengzhou450002, P.R. China
| | - Zhigang Tai
- Faculty
of Life Science and Technology, Kunming
University of Science and Technology, Kunming650500, P.R. China
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Pham VH, Abbas W, Huang J, Guo F, Zhang K, Kong L, Zhen W, Guo Y, Wang Z. Dietary coated essential oil and organic acid mixture supplementation improves health of broilers infected with avian pathogenic Escherichia coli. ANIMAL NUTRITION (ZHONGGUO XU MU SHOU YI XUE HUI) 2022; 12:245-262. [PMID: 36712401 PMCID: PMC9868345 DOI: 10.1016/j.aninu.2022.09.010] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 09/26/2022] [Accepted: 09/28/2022] [Indexed: 01/19/2023]
Abstract
Colibacillosis caused by avian pathogenic Escherichia coli (APEC) is a very prevalent disease in poultry farms in China. The exploration of effective non-antibiotic substances is of great significance for the control of APEC infections. This experiment evaluated the efficacy of coated essential oil and organic acid (EOA) supplementation to prevent E. coli O78 infection in broiler chickens. A total of 288 one-day-old male broiler chicks were randomly distributed into 4 groups with 6 replicates per group. Chickens were fed a diet either supplemented with EOA (500 mg/kg feed) or not, and either uninfected or infected with E. coli O78 intratracheally. Results showed that E. coli O78 infection reduced body weight gain, increased mortality and the ratio of feed to gain along with cecal and liver E. coli load, damaged gut mucosa, induced local and systemic inflammation, and altered cecal microbial composition, diversity and function (P < 0.05). Supplemental EOA improved feed conversion efficiency, lowered gross lesion scores and cecal E. coli population, enhanced intestinal goblet cells and serum IgG concentration, and tended to decrease serum IL-12 production (P < 0.05). Essential oil and organic acid addition downregulated IFN-γ mRNA, tended to decrease mucin-2 mRNA levels while upregulating IL-10 mRNA, and tended to increase ZO-1 gene expression in the jejuna of infected birds at 7 d after E. coli O78 challenge (P < 0.05). The 16S rRNA gene sequencing indicated that both EOA addition and E. coli O78 challenge altered the diversity and composition of the cecal microbiota community. Furthermore, infected birds fed EOA showed decreased Bacteroidetes and genus Lactobacillus abundance compared with the infected control. LEfSe analysis showed that Firmicutes, Ruminococcaceae, Clostridiales, Clostridia, Lactobacillus, Lactobacilaceae, and cc-115 were enriched in the non-infected but EOA-treated group (P < 0.05). Collectively, dietary EOA supplementation could mildly alleviate E. coli-induced gut injury and inflammation.
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Affiliation(s)
- Van Hieu Pham
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China,Faculty of Animal Science and Veterinary Medicine, Thai Nguyen University Agriculture and Forestry, Thai Nguyen, Viet Nam
| | - Waseem Abbas
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Jinyu Huang
- Menon Animal Nutrition Technology Co. Ltd., Shanghai, 201807, China
| | - Fangshen Guo
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Kaichen Zhang
- Tengzhou Heyi Food Co. Ltd., Zaozhuang, 277000, China
| | - Linhua Kong
- Tengzhou Heyi Food Co. Ltd., Zaozhuang, 277000, China
| | - Wenrui Zhen
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Yuming Guo
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Zhong Wang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China,Corresponding author.
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Riaz M, Akhlaq M, Naz S, Uroos M. An overview of biomedical applications of choline geranate (CAGE): a major breakthrough in drug delivery. RSC Adv 2022; 12:25977-25991. [PMID: 36199602 PMCID: PMC9468656 DOI: 10.1039/d2ra03882j] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 08/28/2022] [Indexed: 11/21/2022] Open
Abstract
A number of studies are on the way to advancing the field of biomedical sciences using ionic liquids (ILs) and deep eutectic solvents (DESs) in view of their unique properties and inherent tunability. These significant solvents tend to enhance the physical properties of the drug, increase their bioavailability and promote the delivery of recalcitrant drugs to the body. One such widely investigated tempting multipurpose IL/DES system is choline geranate (CAGE), which has gained significant interest due to its biocompatible and highly potent antiseptic behavior, which also facilitates its sanitizing ability to combat the coronavirus. This review focuses on total advancements in biomedical applications of CAGE. This biocompatible IL/DES has made facile the solubilization of hydrophobic and hydrophilic drugs and delivery of intractable drugs through physiological barriers by stabilizing proteins and nucleic acids. Therefore, it has been used as a transdermal, subcutaneous, and oral delivery carrier and as an antimicrobial agent to treat infectious diseases and wounds as approved by laboratory and clinical translations. Moreover, current challenges and future outlooks are also highlighted to explore them more purposefully.
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Affiliation(s)
- Mubeshar Riaz
- Centre for Research in Ionic Liquids, School of Chemistry, University of the Punjab 54590 Lahore Pakistan
| | - Maida Akhlaq
- Centre for Research in Ionic Liquids, School of Chemistry, University of the Punjab 54590 Lahore Pakistan
| | - Sadia Naz
- Centre for Research in Ionic Liquids, School of Chemistry, University of the Punjab 54590 Lahore Pakistan
| | - Maliha Uroos
- Centre for Research in Ionic Liquids, School of Chemistry, University of the Punjab 54590 Lahore Pakistan
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Uddin Mahamud AGMS, Nahar S, Ashrafudoulla M, Park SH, Ha SD. Insights into antibiofilm mechanisms of phytochemicals: Prospects in the food industry. Crit Rev Food Sci Nutr 2022; 64:1736-1763. [PMID: 36066482 DOI: 10.1080/10408398.2022.2119201] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The recalcitrance of microbial aggregation or biofilm in the food industry underpins the emerging antimicrobial resistance among foodborne pathogens, exacerbating the phenomena of food spoilage, processing and safety management failure, and the prevalence of foodborne illnesses. The challenges of growing tolerance to current chemical and disinfectant-based antibiofilm strategies have driven the urgency in finding a less vulnerable to bacterial resistance, effective alternative antibiofilm agent. To address these issues, various novel strategies are suggested in current days to combat bacterial biofilm. Among the innovative approaches, phytochemicals have already demonstrated their excellent performance in preventing biofilm formation and bactericidal actions against resident bacteria within biofilms. However, the diverse group of phytochemicals and their different modes of action become a barrier to applying them against specific pathogenic biofilm-formers. This phenomenon mandates the need to elucidate the multi-mechanistic actions of phytochemicals to design an effective novel antibiofilm strategy. Therefore, this review critically illustrates the structure - activity relationship, functional sites of actions, and target molecules of diverse phytochemicals regarding multiple major antibiofilm mechanisms and reversal mechanisms of antimicrobial resistance. The implementation of the in-depth knowledge will hopefully aid future studies for developing phytochemical-based next-generation antimicrobials.
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Affiliation(s)
- A G M Sofi Uddin Mahamud
- School of Food Science and Technology, Chung-Ang University, Anseong-si, Gyeonggi-do, Republic of Korea
| | - Shamsun Nahar
- School of Food Science and Technology, Chung-Ang University, Anseong-si, Gyeonggi-do, Republic of Korea
| | - Md Ashrafudoulla
- School of Food Science and Technology, Chung-Ang University, Anseong-si, Gyeonggi-do, Republic of Korea
| | - Si Hong Park
- Department of Food Science and Technology, Oregon State University, Corvallis, OR, USA
| | - Sang-Do Ha
- School of Food Science and Technology, Chung-Ang University, Anseong-si, Gyeonggi-do, Republic of Korea
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13
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Lukubye B, Ajayi CO, Wangalwa R, Kagoro-Rugunda G. Phytochemical profile and antimicrobial activity of the leaves and stem bark of Symphonia globulifera L.f. and Allophylus abyssinicus (Hochst.) Radlk. BMC Complement Med Ther 2022; 22:223. [PMID: 35999537 PMCID: PMC9396842 DOI: 10.1186/s12906-022-03692-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Accepted: 07/31/2022] [Indexed: 11/10/2022] Open
Abstract
Introduction Symphonia globulifera and Allophylus abyssinicus are used in the management of skin rashes and sores, cough, malaria, digestive diseases, stomach ache, wounds and helminthic infections among others in Uganda, Kenya, Ethiopia, Cameroon. This study aimed at determining the phytochemical profile and antimicrobial activity of these two plants. Methods The stem bark and leaves of both plants were collected from Bwindi Impenetrable National Park and air-dried under shade at room temperature. Cold maceration, decoction and infusion with methanol, water and ethyl acetate as solvents were used in phytochemical extraction. Preliminary qualitative screening and thin layer chromatography were used for phytochemical profiling. Antimicrobial activity was analysed by agar well diffusion assay, broth macro-dilution assay and fractional inhibition concentration index (FICI). Results The leaves and stem bark of both plants have a diverse set of phytochemical compounds of variable polarity including, tannins, alkaloids, flavonoids, saponins, quinones and anthraquinones among others. Generally, methanol and water extracts of S. globulifera and A. abyssinicus had in-vitro bactericidal activity against Staphylococcus aureus, Escherichia coli and Pseudomonas aeruginosa but weak fungistatic activity against Candida albicans. Allophylus abyssinicus leaf water and S. globulifera leaf methanol extract combination had a synergistic activity (ΣFICI = 0.37) against S. aureus. Similarly, A. abyssinicus stem bark water extract and A. abyssinicus leaf water extract combination had an additive effect (ΣFICI = 1) against P. aeruginosa. Conclusion The leaves and stem bark crude extracts of S. globulifera and A. abyssinicus possess a wide range of bioactive phytochemical compounds but have weak antimicrobial activity against S. aureus, E. coli, P. aeruginosa and C. albicans.
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Wang D, Li C, Pan C, Wang Y, Xiang H, Feng Y, Yang X, Chen S, Zhao Y, Wu Y, Li L, Kawai Y, Yamazaki K, Yamaki S. Antimicrobial activity and mechanism of action of oregano essential oil against Morganella psychrotolerans and potential application in tuna. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2022.113758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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15
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Antimicrobial activity of oregano essential oil and resveratrol emulsions co-encapsulated by sodium caseinate with polysaccharides. Food Control 2022. [DOI: 10.1016/j.foodcont.2022.108925] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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16
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Singh S, Chaurasia PK, Bharati SL. Functional roles of Essential oils as an effective alternative of synthetic food preservatives: A review. J FOOD PROCESS PRES 2022. [DOI: 10.1111/jfpp.16804] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Sunita Singh
- Department of Chemistry, Navyug Kanya Mahavidyalaya University of Lucknow Lucknow, Uttar Pradesh India
| | - Pankaj Kumar Chaurasia
- P.G. Department of Chemistry, L.S. College B.R.A. Bihar University Muzaffarpur, Bihar India
| | - Shashi Lata Bharati
- Department of Chemistry North Eastern Regional Institute of Science and Technology Nirjuli, Arunachal Pradesh India
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17
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dos Santos ÉRQ, Maia JGS, Fontes-Júnior EA, Maia CDSF. Linalool as a Therapeutic and Medicinal Tool in Depression Treatment: A Review. Curr Neuropharmacol 2022; 20:1073-1092. [PMID: 34544345 PMCID: PMC9886818 DOI: 10.2174/1570159x19666210920094504] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 08/18/2021] [Accepted: 09/09/2021] [Indexed: 11/22/2022] Open
Abstract
Depression is a prevalent disease worldwide, limiting psychosocial functioning and thequality of life. Linalool is the main constituent of some essential oils from aromatic plants, representing about 70% of these volatile concentrates. Evidence of the linalool activity on the central nervous system, mainly acting as an antidepressant agent, is increasingly abundant. This review aimed to extend the knowledge of linalool's antidepressant action mechanisms, which is fundamental for future research, intending to highlight this natural compound as a new antidepressant phytomedication. A critical analysis is proposed here with probable hypotheses of the synergic mechanisms that support the evidence of antidepressant effects of the linalool. The literature search has been conducted in databases for published scientific articles before December 2020, using relevant keywords. Several pieces of evidence point to the anticonvulsant, sedative, and anxiolytic actions. In addition to these activities, other studies have revealed that linalool acts on the monoaminergic and neuroendocrine systems, inflammatory process, oxidative stress, and neurotrophic factors, such as BDNF, resulting in considerable advances in the knowledge of the etiology of depression. In this context, linalool emerges as a promising bioactive compound in the therapeutic arsenal, capable of interacting with numerous pathophysiological factors and acting on several targets. This review claims to contribute to future studies, highlighting the gaps in the linalool knowledge, such as its kinetics, doses, routes of administration, and multiple targets of interaction, to clarify its antidepressant activity.
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Affiliation(s)
- Éverton Renan Quaresma dos Santos
- Laboratório de Farmacologia da Inflamação e Comportamento, Faculdade de Farmácia, Instituto de Ciências da Saúde, Universidade Federal do Pará, 66075-110, Belém, PA, Brazil;
| | - José Guilherme S. Maia
- Programa de Pós-Graduação em Química, Centro de Ciências Exatas e Tecnologia, Universidade Federal do Maranhão, 65080-805 São Luís, MA, Brazil
| | - Enéas Andrade Fontes-Júnior
- Laboratório de Farmacologia da Inflamação e Comportamento, Faculdade de Farmácia, Instituto de Ciências da Saúde, Universidade Federal do Pará, 66075-110, Belém, PA, Brazil;
| | - Cristiane do Socorro Ferraz Maia
- Laboratório de Farmacologia da Inflamação e Comportamento, Faculdade de Farmácia, Instituto de Ciências da Saúde, Universidade Federal do Pará, 66075-110, Belém, PA, Brazil; ,Address correspondence to this author at the Laboratório de Farmacologia da Inflamação e do Comportamento, Instituto de Ciências da Saúde, Universidade Federal do Pará, Rua Augusto Corrêa 1, Campus do Guamá, Belém-Pará 66075-900, Brazil; Tel: +55 (91) 3201-7202; E-mails: ;
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18
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Applications of Essential Oils as Antibacterial Agents in Minimally Processed Fruits and Vegetables—A Review. Microorganisms 2022; 10:microorganisms10040760. [PMID: 35456810 PMCID: PMC9032070 DOI: 10.3390/microorganisms10040760] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 03/25/2022] [Accepted: 03/29/2022] [Indexed: 02/04/2023] Open
Abstract
Microbial foodborne diseases are a major health concern. In this regard, one of the major risk factors is related to consumer preferences for “ready-to-eat” or minimally processed (MP) fruits and vegetables. Essential oil (EO) is a viable alternative used to reduce pathogenic bacteria and increase the shelf-life of MP foods, due to the health risks associated with food chlorine. Indeed, there has been increased interest in using EO in fresh produce. However, more information about EO applications in MP foods is necessary. For instance, although in vitro tests have defined EO as a valuable antimicrobial agent, its practical use in MP foods can be hampered by unrealistic concentrations, as most studies focus on growth reductions instead of bactericidal activity, which, in the case of MP foods, is of utmost importance. The present review focuses on the effects of EO in MP food pathogens, including the more realistic applications. Overall, due to this type of information, EO could be better regarded as an “added value” to the food industry.
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19
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Souza VVMA, Almeida JM, Barbosa LN, Silva NCC. Citral, carvacrol, eugenol and thymol: antimicrobial activity and its application in food. JOURNAL OF ESSENTIAL OIL RESEARCH 2022. [DOI: 10.1080/10412905.2022.2032422] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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20
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Niu L, Zhang Y, Jie M, Cheng Y, Xiang Q, Zhang Z, Bai Y. Synergetic effect of
petit
‐high pressure carbon dioxide combined with cinnamon (
Cinnamomum cassia
) essential oil against
Salmonella typhimurium. Int J Food Sci Technol 2022. [DOI: 10.1111/ijfs.15613] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Liyuan Niu
- College of Food and Bioengineering Zhengzhou University of Light Industry Zhengzhou China
- Henan Key Laboratory of Cold Chain Food Quality and Safety Control Zhengzhou China
- Collaborative Innovation Center of Food Production and Safety Henan Province Zhengzhou China
| | - Yilin Zhang
- College of Food and Bioengineering Zhengzhou University of Light Industry Zhengzhou China
| | - Mingsha Jie
- College of Food and Bioengineering Zhengzhou University of Light Industry Zhengzhou China
- Henan Key Laboratory of Cold Chain Food Quality and Safety Control Zhengzhou China
- Collaborative Innovation Center of Food Production and Safety Henan Province Zhengzhou China
| | - Yingxin Cheng
- College of Food and Bioengineering Zhengzhou University of Light Industry Zhengzhou China
| | - Qisen Xiang
- College of Food and Bioengineering Zhengzhou University of Light Industry Zhengzhou China
- Henan Key Laboratory of Cold Chain Food Quality and Safety Control Zhengzhou China
- Collaborative Innovation Center of Food Production and Safety Henan Province Zhengzhou China
| | - Zhijian Zhang
- College of Food and Bioengineering Zhengzhou University of Light Industry Zhengzhou China
- Henan Key Laboratory of Cold Chain Food Quality and Safety Control Zhengzhou China
- Collaborative Innovation Center of Food Production and Safety Henan Province Zhengzhou China
| | - Yanhong Bai
- College of Food and Bioengineering Zhengzhou University of Light Industry Zhengzhou China
- Henan Key Laboratory of Cold Chain Food Quality and Safety Control Zhengzhou China
- Collaborative Innovation Center of Food Production and Safety Henan Province Zhengzhou China
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21
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Lisboa FP, Silvestre WP, Castro JO, Martins GV, Segabinazzi LGTM, Pauletti GF, Dell'Aqua JA. In Vitro Antimicrobial Activity of Selected Essential Oils Against Endometritis-Causing Microorganisms in Mares. J Equine Vet Sci 2021; 110:103840. [PMID: 34923074 DOI: 10.1016/j.jevs.2021.103840] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 11/04/2021] [Accepted: 12/11/2021] [Indexed: 11/30/2022]
Abstract
This study aimed to evaluate the in vitro antimicrobial activity of essential oils (EO) from Ocimum basilicum (basil), Rosmarinus officinalis (rosemary), and Cymbopogon citratus (lemongrass) on endometritis-causing microorganisms in mares. Serial concentrations of the EO from 30.00 mg/mL to 0.47 mg/mL were tested. The major compounds of O. basilicum EO were linalyl acetate (33.32 wt.%) and citronellal (25.06 wt.%); of R. officinalis EO were borneol (26.48 wt.%), trans-β-ocimene (16.76 wt.%), camphene (12.45 wt.%), and α-phellandrene (11.08 wt.%); and of C. citratus EO were geranial (45.96 wt.%) and neral (32.62 wt.%). Regarding antimicrobial activity, C. citratus EO has had the highest inhibition percentage (73.9%), followed by O. basilicum (67.2%) and R. officinalis (58.7%). P. aeruginosa was the only pathogen unable to establish the minimum inhibitory concentrations (MIC) and minimum bactericidal concentration (MBC) values for the studied EO. The EOs were effective against all other microorganisms (S. equi, S. aureus, K. pneumoniae, E. coli, and C. Albicans). In conclusion, the EOs of O. basilicum, R. officinalis, and C. citratus have presented in vitro antimicrobial activity against microorganisms causing endometritis in mares.
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Affiliation(s)
- Fernando P Lisboa
- Department of Veterinary Surgery and Animal Reproduction, School of Veterinary Medicine and Animal Science, São Paulo State University - UNESP, Botucatu, Brazil; Laboratory of Studies of the Soil, Plant, and Atmosphere System and Plant Metabolism, University of Caxias do Sul, Caxias do Sul, Brazil.
| | - Wendel P Silvestre
- Laboratory of Studies of the Soil, Plant, and Atmosphere System and Plant Metabolism, University of Caxias do Sul, Caxias do Sul, Brazil
| | - Jéssica O Castro
- Postgraduate Program in Biotechnology, University of Caxias do Sul, Caxias do Sul, Brazil
| | - Gabriel V Martins
- Postgraduate Program in Biotechnology, University of Caxias do Sul, Caxias do Sul, Brazil
| | - Lorenzo G T M Segabinazzi
- Department of Veterinary Surgery and Animal Reproduction, School of Veterinary Medicine and Animal Science, São Paulo State University - UNESP, Botucatu, Brazil; Ross University School of Veterinary Medicine, Basseterre, St. Kitts, West Indies
| | - Gabriel F Pauletti
- Laboratory of Studies of the Soil, Plant, and Atmosphere System and Plant Metabolism, University of Caxias do Sul, Caxias do Sul, Brazil; Postgraduate Program in Biotechnology, University of Caxias do Sul, Caxias do Sul, Brazil
| | - José A Dell'Aqua
- Department of Veterinary Surgery and Animal Reproduction, School of Veterinary Medicine and Animal Science, São Paulo State University - UNESP, Botucatu, Brazil
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22
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Abu-Zaid AA, Al-Barty A, Morsy K, Hamdi H. In vitro study of antimicrobial activity of some plant seeds against bacterial strains causing food poisoning diseases. BRAZ J BIOL 2021; 82:e256409. [PMID: 34852157 DOI: 10.1590/1519-6984.256409] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 10/08/2021] [Indexed: 11/22/2022] Open
Abstract
In this research, some plant seeds powder was evaluated to find their potential effect to rule diseases of food poisoning. Antimicrobial effect of five plant seeds was examined contra Bacillus cereus, Staphylococcus aureus, Escherichia coli, Klebsiella. pneumonia and Candida albicans by using well diffusion method. Antimicrobial activity studies revealed high potential activity of plant seeds powder of Nigella sativa L., cucurbita pepo, Sesamum radiatum, Trigonella foenum-graecum, Linum usitatissimum with variable efficiency contra tested microbial strains with concentration of 100 mg/ml, except Sesamum radiatum scored no effect. The T. foenum and N. sativa seed powder showed the largest inhibition zone (24-20 mm) contra K. pneumonia, followed by S. aureus (20-18 mm) and C. albicans (15mm) respectively. The five plant seeds powder exhibited bacteriostatic and bactericidal effects with MIC's 20 and MBC 40 mg/ml against K. pneumonia, and MIC's 40 and MBC 60 mg/ml against S. aureus. The results of this study indicated that plants seeds powder have promising antimicrobial activities and their potential applications in food process. It could be utilized as a natural medicinal alternative instead of chemical substance.
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Affiliation(s)
- A A Abu-Zaid
- Taif University, Alkhurmah University College, Department of Biology, Taif, Saudi Arabia
| | - A Al-Barty
- Taif University, College of Science, Department of Biology, Taif, Saudi Arabia
| | - K Morsy
- Cairo University, Faculty of Science, Zoology Department, Cairo, Egypt.,King Khalid University, College of Science, Biology Department, Abha, Saudi Arabia
| | - H Hamdi
- Taif University, College of Science, Department of Biology, Taif, Saudi Arabia
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Zhang T, Li HT, Xia X, Liu J, Lu Y, Khan MR, Deng S, Busquets R, He G, He Q, Zhang J, Deng R. Direct Detection of Foodborne Pathogens via a Proximal DNA Probe-Based CRISPR-Cas12 Assay. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:12828-12836. [PMID: 34694123 DOI: 10.1021/acs.jafc.1c04663] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Foodborne pathogens can cause illnesses. Existing tools for detecting foodborne pathogens are typically time-consuming or require complex protocols. Here, we report an assay to directly analyze pathogenic genes based on CRISPR-Cas12. This new test, termed proximal DNA probe-based CRISPR-Cas12 (PPCas12), facilitates the detection of foodborne pathogens without amplification steps. The elimination of the nucleic acid amplification process dramatically reduced the processing time, complexity, and costs in the analysis of foodborne pathogens. The substitution of the frequently used dually labeled DNA reporter with a proximal DNA probe in the PPCas12 assay led to a 4-fold sensitivity enhancement. PPCas12 offered a limit of detection of 619 colony-forming units in the detection of Salmonella enterica (S. enterica) without the nucleic acid amplification process. The specific recognition of genes via PPCas12 allowed distinguishing S. enterica from other foodborne pathogens. The PPCas12 assay was applied in the screening of S. enterica contamination on fresh eggs with high precision. Hence, the new PPCas12 assay will be a valuable tool for on-site monitoring of foodborne pathogens.
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Affiliation(s)
- Ting Zhang
- College of Biomass Science and Engineering, Healthy Food Evaluation Research Center, Sichuan University, Chengdu 610065, China
| | - Hai-Tao Li
- Tianjin Physical & Chemical Analysis Center, Tianjin 300051, China
| | - Xuhan Xia
- College of Biomass Science and Engineering, Healthy Food Evaluation Research Center, Sichuan University, Chengdu 610065, China
| | - Jun Liu
- Chengdu Customs Technology Center, Chengdu 610041, China
| | - Yunhao Lu
- College of Biomass Science and Engineering, Healthy Food Evaluation Research Center, Sichuan University, Chengdu 610065, China
| | - Mohammad Rizwan Khan
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Sha Deng
- College of Biomass Science and Engineering, Healthy Food Evaluation Research Center, Sichuan University, Chengdu 610065, China
| | - Rosa Busquets
- School of Life Sciences, Pharmacy and Chemistry, Kingston University, Penrhyn Road, KT1 2EE Kingston Upon Thames, United Kingdom
| | - Guiping He
- College of Biomass Science and Engineering, Healthy Food Evaluation Research Center, Sichuan University, Chengdu 610065, China
| | - Qiang He
- College of Biomass Science and Engineering, Healthy Food Evaluation Research Center, Sichuan University, Chengdu 610065, China
| | - Jiaqi Zhang
- College of Biomass Science and Engineering, Healthy Food Evaluation Research Center, Sichuan University, Chengdu 610065, China
| | - Ruijie Deng
- College of Biomass Science and Engineering, Healthy Food Evaluation Research Center, Sichuan University, Chengdu 610065, China
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Antifungal Activity of Essential Oils from Three Artemisia Species against Colletotrichum gloeosporioides of Mango. Antibiotics (Basel) 2021; 10:antibiotics10111331. [PMID: 34827269 PMCID: PMC8614767 DOI: 10.3390/antibiotics10111331] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Revised: 10/25/2021] [Accepted: 10/28/2021] [Indexed: 11/17/2022] Open
Abstract
Post-harvest diseases of mango reduce fruit quality and cause severe yield losses with completely unmarketable fruits. The most common diseases of mangos are anthracnose (Colletotrichum gloeosporioides). In this study, the antibacterial activities of essential oils from Artemisia scoparia, Artemisia lavandulaefolia, and Artemisia annua against C. gloeosporioides were tested. The results showed that the essential oil of A. scoparia was more effective by the agar diffusion method; the EC50 value was 9.32 µL/mL. The inhibition rate was 100%, at a concentration of 10 μL/mL, through the spore germination method. The morphological changes of the mycelium were observed by scanning electron microscopy (SEM), the mycelia treated with essential oils showed shrinking, deformity, fracture, and dryness through SEM. A. scoparia essential oil was inoculated in vivo and subjected to paroxysm testing under natural conditions. A. scoparia had significantly inhibitory activity, and the inhibition rate was 66.23% in vivo inoculation tests after 10 days. The inhibition rate was 92.06% in the paroxysm test under natural conditions after 15 days. Finally, A. acoparia essential oil was analyzed by gas chromatography-mass spectrometry. The main compounds were 2-ethenyl-Naphthalene (23.5%), 2,4-pentadiynyl-Benzene (11.8%), 1,2-dimethoxy-4-(2-propenyl)-Benzene (10.0%), β-Pinene (8.0%), and 1-methyl-4-(1-methylethyl)-1,4-Cyclohexadiene (6.3%). The results have revealed the potential use of A. scoparia essential oil against post-harvest fungal pathogens C. gloeosporioides.
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Potentiation of anti-Helicobacter pylori activity of clarithromycin by Pelargonium graveolens oil. Arab J Gastroenterol 2021; 22:224-228. [PMID: 34531132 DOI: 10.1016/j.ajg.2021.05.016] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 05/08/2021] [Accepted: 05/31/2021] [Indexed: 10/20/2022]
Abstract
BACKGROUND AND STUDY AIM Peptic ulcer is one of the most serious diseases in Egypt, affecting more than one-third of the population. Helicobacter pylori is the main organism responsible for peptic ulcer formation. These ulcers can lead to chronic active gastritis and lymphoma. As such, in this study, we evaluate the efficacy of Pelargonium graveolens oil for the treatment of H pylori, as well as its synergistic effects with the antibiotic clarithromycin (CLR). PATIENTS AND METHODS We evaluated the chemical composition of P. graveolens volatile oil as well as its anti-Helicobacter activities. We assessed the volatile oil components using gas chromatography coupled with mass spectrometry. We determined anti-H. pylori potential using a micro-well dilution method. RESULTS We identified 92 compounds from the oil. Citronellol, geraniol, citronellyl formate, and isolongifolan-7-α-ol were the predominant components (15.64%, 11.31%, 10.19%, and 7.84%, respectively). The oil exhibited a good activity against H. pylori at an minimal inhibitory concentration of 15.63 µg/ml. Once we combined the volatile oil with CLR, a significant synergistic effect appeared at an fractional inhibitory concentration index of 0.38 µg/ml. CONCLUSION The in-vitro interaction between the P. graveolens oil and CLR improved the antimicrobial activity of the latter, suggesting that further studies are needed to determine formulations for potential antimicrobial applications in food and pharmaceuticals.
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Antimicrobial Activity of Nanoencapsulated Essential Oils of Tasmannia lanceolata, Backhousia citriodora and Syzygium anisatum against Weak-Acid Resistant Zygosaccharomyces bailii in Clear Apple Juice. BEVERAGES 2021. [DOI: 10.3390/beverages7030067] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The anti-yeast activity of oil-in-water encapsulated nanoemulsion containing individual or a combination of the three essential oils of Tasmanian pepper leaf (Tasmannia lanceolata), lemon myrtle (Backhousia citriodora), and anise myrtle (Syzygium anisatum) against weak-acid resistant Zygosaccharomyces bailii in clear apple juice was investigated. The effectiveness of the shelf-life extension of Z. bailii-spiked (1 × 103 CFU/mL) clear apple juice was evaluated and compared between natural (essential oils) and synthetic (sodium benzoate) antimicrobial agents. Essential oils showed an immediate reduction in the Z. bailii cell population at day-0 and exerted a fungicidal activity at day-4 of storage, with no further noticeable growth at the end of the experiment (day-28). At lower concentrations, Tasmanian pepper leaf oil of 0.0025% had >6 log CFU/mL at day-12 of storage. For lemon myrtle essential oils, the yeast population reached >6 log CFU/mL at day-24 and day-20 for concentrations of 0.02% and 0.01%, respectively. The fungicidal activity of Tasmanian pepper leaf oil reduced from 0.005% to 0.0025% v/v when mixed at a ratio of 1:1 with anise myrtle oil. The results of the present study suggest that these three native Australian herbs have the potential to be used in the beverage industry by controlling Zygosaccharomyces bailii in clear apple juice products.
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El-Tarabily KA, El-Saadony MT, Alagawany M, Arif M, Batiha GE, Khafaga AF, Elwan HA, Elnesr SS, E. Abd El-Hack M. Using essential oils to overcome bacterial biofilm formation and their antimicrobial resistance. Saudi J Biol Sci 2021; 28:5145-5156. [PMID: 34466092 PMCID: PMC8380992 DOI: 10.1016/j.sjbs.2021.05.033] [Citation(s) in RCA: 105] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 05/12/2021] [Accepted: 05/14/2021] [Indexed: 12/18/2022] Open
Abstract
The increase of resistant bacteria puts a huge pressure on the antimicrobials in current use. Antimicrobial resistance (AMR) results from antibiotic misuse and abuse over many years and is a global financial burden. New polices must be developed for the use of antimicrobials and to continue research efforts to mitigate AMR. It is essential to target the most harmful bacteria and concentrate on their mechanisms of resistance to develop successful antimicrobials. Essential oils (EOs) are occur naturally in plants and have long been used as antimicrobials, but most have not been researched. This review explores EOs as alternative antimicrobials, investigating their ability to decrease or inhibit biofilm formation, and assess their ability to contribute to AMR control. Low concentrations of EOs can inhibit Gram-positive and Gram-negative pathogenic bacteria. Some EOs have demonstrated strong anti-biofilm activities. If EOs are successful against biofilm formation, particularly in bacteria developing AMR, they could be incorporated into new antimicrobials. Therefore, there is a need to investigate these EOs' potential, particularly for surface disinfection, and against bacteria from food, clinical and non-clinical environments.
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Affiliation(s)
- Khaled A. El-Tarabily
- Department of Biology, College of Science, United Arab Emirates University, 15551 Al-Ain, United Arab Emirates
- Harry Butler Institute, Murdoch University, Murdoch 6150, Western Australia, Australia
| | - Mohamed T. El-Saadony
- Department of Agricultural Microbiology, Faculty of Agriculture, Zagazig University, Zagazig 44511, Egypt
| | - Mahmoud Alagawany
- Department of Poultry, Faculty of Agriculture, Zagazig University, Zagazig 44511, Egypt
| | - Muhammad Arif
- Department of Animal Sciences, College of Agriculture, University of Sargodha, Sargodha, Pakistan
| | - Gaber E. Batiha
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Nishi 2-13, Inada-cho, 080-8555 Obihiro, Hokkaido, Japan
- Department of Pharmacology and Therapeutics, Faculty of Veterinary Medicine, Damanhour University, Damanhour 22511, AlBeheira, Egypt
| | - Asmaa F. Khafaga
- Department of Pathology, Faculty of Veterinary Medicine, Alexandria University, Edfina 22758, Egypt
| | - Hamada A.M. Elwan
- Department of Animal and Poultry Production, Faculty of Agriculture, Minia University, El-Minya 61519, Egypt
| | - Shaaban S. Elnesr
- Department of Poultry Production, Faculty of Agriculture, Fayoum University, Fayoum 63514, Egypt
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Jin TZ, Aboelhaggag RM, Guo M. Apple Juice Preservation Using Combined Nonthermal Processing and Antimicrobial Packaging. J Food Prot 2021; 84:1528-1538. [PMID: 33878157 DOI: 10.4315/jfp-21-035] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Accepted: 04/20/2021] [Indexed: 12/21/2022]
Abstract
ABSTRACT This study was conducted to investigate the effectiveness of pulsed electric fields (PEFs), pulsed UV light (PL), and antimicrobial packaging (AP), either individually or combined, for inactivating bacteria and maintaining the quality of fruit juices. Apple juice samples were inoculated with Escherichia coli K-12 or native molds and yeasts (M&Y), treated with bench-scale PEF and/or PL processing systems, and stored in glass jars with antimicrobial caps containing 10 μL of carvacrol. The reductions in microbial populations and the physicochemical properties of juice samples were determined after treatments and during storage at 10°C. The treatments were PL (5 to 50 s at 1.04 J/cm2/s), PEF (19, 23, and 30 kV/cm), PEF followed by PL (PEF+PL), PL followed by PEF (PL+PEF), and PEF+PL+AP. PEF treatments at 19 to 30 kV/cm (PEF19, PEF23, and PEF30) resulted in 2.0-, 2.6-, and 4.0-log reductions of E. coli, respectively, and PL treatments for 10 to 50 s (PL10, PL20, PL30, PL40, and PL50) resulted in 0.45-, 0.67-, 0.76-, 2.3-, and 4.0-log reductions, respectively. No significant differences (P > 0.05) were found between the combined PL20+PEF19 and PEF19+PL20 treatments; both treatments reduced E. coli K-12 populations to nondetectable levels (>5-log reductions) after 7 days. Both PEF+PL and PEF+PL+AP treatments achieved >5-log reductions of M&Y; however, juice samples subjected to PEF+PL+AP treatment had lower M&Y counts (2.9 log units) than did samples subjected to PEF+PL treatment (3.9 log units) after 7 days. No significant differences (P > 0.05) in pH, acidity, and total soluble solids were found among all samples after treatments. Increased PL treatment times reduced color a* and b* values, total phenolics, and carotenoids. This study provides information valuable to juice processors for consideration and design of nonthermal pasteurization of juice products. HIGHLIGHTS
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Affiliation(s)
- Tony Z Jin
- U.S. Department of Agriculture, Agricultural Research Service, Residue Chemistry and Predictive Microbiology Research Unit, Eastern Regional Research Center, 600 East Mermaid Lane, Wyndmoor, Pennsylvania 19038, USA
| | | | - Mingming Guo
- Fuli Institute of Food Science, Zhejiang University, Hangzhou 310058, People's Republic of China
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Nakajima M, Tanner EEL, Nakajima N, Ibsen KN, Mitragotri S. Topical treatment of periodontitis using an iongel. Biomaterials 2021; 276:121069. [PMID: 34403848 DOI: 10.1016/j.biomaterials.2021.121069] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 08/05/2021] [Accepted: 08/08/2021] [Indexed: 11/29/2022]
Abstract
Almost 50 % of the U.S. population suffers from oral infections such as periodontitis. Current treatment options for periodontitis include mechanical cleaning procedures, which are performed often under local anesthesia and are time-consuming. Alternate option includes systemic antibiotics which increase the risk of antimicrobial resistance and are not recommended for prolonged usage. Topical treatments of gingiva-based antimicrobial agents have shown limited efficacy due to poor penetration of the therapeutic into deep gingiva where the infection resides. Herein, we report an Iongel of a Deep Eutectic Antimicrobial (IDEA), which simultaneously exhibits deep tissue penetration and antimicrobial activity against P. gingivalis. In vivo studies confirmed that IDEA successfully penetrated into the gingiva and the gingival sulcus, where the pathogens primarily exist, within a short time. In vitro studies confirmed that the dose delivered was adequate to inactivate P. gingivalis biofilm. In vivo studies in a periodontal rat model confirmed that a topical treatment of IDEA eliminated pathogenic bacteria, and the disease progression was significantly suppressed. Safety studies confirmed excellent tolerance to IDEA. Altogether, IDEA offers a promising topical agent against periodontitis.
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Affiliation(s)
- Mayuka Nakajima
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, 02138, USA; Wyss Institute for Biologically Inspired Engineering at Harvard University, Boston, MA, 02115, USA
| | - Eden E L Tanner
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, 02138, USA; Wyss Institute for Biologically Inspired Engineering at Harvard University, Boston, MA, 02115, USA
| | - Nao Nakajima
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, 02138, USA; Wyss Institute for Biologically Inspired Engineering at Harvard University, Boston, MA, 02115, USA
| | - Kelly N Ibsen
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, 02138, USA; Wyss Institute for Biologically Inspired Engineering at Harvard University, Boston, MA, 02115, USA
| | - Samir Mitragotri
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, 02138, USA; Wyss Institute for Biologically Inspired Engineering at Harvard University, Boston, MA, 02115, USA.
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30
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Strategic approach of multifaceted antibacterial mechanism of limonene traced in Escherichia coli. Sci Rep 2021; 11:13816. [PMID: 34226573 PMCID: PMC8257740 DOI: 10.1038/s41598-021-92843-3] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2020] [Accepted: 06/11/2021] [Indexed: 02/01/2023] Open
Abstract
Antibacterial potential of Limonene against Multi Drug Resistant (MDR) pathogens was studied and mechanism explored. Microscopic techniques viz. Fluorescent Microscopy (FM), Scanning Electron Microscopy (SEM), and Transmission Electron Microscopy (TEM) indicated membrane disruption, cellular leakage and cell death of Escherichia coli (E. coli) cells when treated with limonene. Leakage of intracellular proteins, lipids and nucleic acid confirmed membrane damage and disruption of cell permeability barrier. Further, release of intracellular ATP, also suggested disruption of membrane barrier. Interaction of limonene with DNA revealed its capability in unwinding of plasmid, which could eventually inhibit DNA transcription and translation. Differential expression of various proteins and enzymes involved in transport, respiration, metabolism, chemotaxis, protein synthesis confirmed the mechanistic role of limonene on their functions. Limonene thus can be a potential candidate in drug development.
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31
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Kim J, Kim H, Beuchat LR, Ryu JH. Synergistic antimicrobial activities of plant essential oils against Listeria monocytogenes in organic tomato juice. Food Control 2021. [DOI: 10.1016/j.foodcont.2021.108000] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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32
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Smith CJ, Olszewska MA, Diez-Gonzalez F. Selection and application of natural antimicrobials to control Clostridium perfringens in sous-vide chicken breasts inhibition of C. perfringens in sous-vide chicken. Int J Food Microbiol 2021; 347:109193. [PMID: 33836443 DOI: 10.1016/j.ijfoodmicro.2021.109193] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 03/09/2021] [Accepted: 03/24/2021] [Indexed: 12/27/2022]
Abstract
Current consumer preferences for both clean label food ingredients and convenience-based foods has provided a unique opportunity to explore the application of novel natural food preservatives in sous vide products. The anaerobic environment and relatively low thermal processing of the sous vide process creates a favorable environment for the survival, germination, and outgrowth of spore-forming bacterium Clostridium perfringens. The aim of this study was to identify effective novel natural ingredient formulations against C. perfringens and apply them within a vacuum-sealed sous vide chicken model exposed to abusive storage and chilling conditions. Among six commercial vinegar-based formulations, liquid vinegar with citrus extract (CE; 1.0%) and with lemon juice concentrate (LJC; 1.5%) were identified as the most effective at inhibiting three individual C. perfringens strains. Both reduced viable cell counts by 5 log CFU/mL (P < 0.05), whereas reductions in spore counts ranged from 2 to 4 log CFU/mL depending on formulation and concentration used. Once incorporated to chicken meat 1.0% CE and 1.5% LJC before sous-vide cooking, completely inhibited the growth of mixed C. perfringens strains (P < 0.05) during storage for 16 days at 12 and 16 °C. Exponential cooling from 54 to 4 °C was performed for 18 h to imitate abusive storage conditions. CE and LJC at 3.0% inhibited growth and reduced counts by 3.4 and 2.9 log CFU/g compared to respective controls. Treatments CE and LJC could be implemented within the formulation of a sous vide chicken product to provide an effective protection against C. perfringens meeting clean label expectations.
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Affiliation(s)
- Clayton J Smith
- Center for Food Safety, University of Georgia, 1109 Experiment Street, Griffin, GA 30223, USA
| | - Magdalena A Olszewska
- Center for Food Safety, University of Georgia, 1109 Experiment Street, Griffin, GA 30223, USA; Department of Industrial and Food Microbiology, Faculty of Food Science, University of Warmia and Mazury in Olsztyn, Plac Cieszyński 1, 10-726 Olsztyn, Poland.
| | - Francisco Diez-Gonzalez
- Center for Food Safety, University of Georgia, 1109 Experiment Street, Griffin, GA 30223, USA
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33
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Lim JS, Ha JW. Effect of acid adaptation on the resistance of Escherichia coli O157:H7 and Salmonella enterica serovar Typhimurium to X-ray irradiation in apple juice. Food Control 2021. [DOI: 10.1016/j.foodcont.2020.107489] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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34
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Zhu H, Kannan K. Parabens in stretch mark creams: A source of exposure in pregnant and lactating women. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 744:141016. [PMID: 32755791 DOI: 10.1016/j.scitotenv.2020.141016] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 07/13/2020] [Accepted: 07/14/2020] [Indexed: 06/11/2023]
Abstract
Parabens are widely used as antimicrobial preservatives in personal care products (PCPs). Stretch mark cream is widely used by pregnant and lactating women for the treatment of striae gravidarum. This can be a potential source of paraben exposure, not only to pregnant/lactating women but also to fetuses/newborns. Little is known, however, with regard to the occurrence of parabens in stretch mark creams. In this study, we analyzed eight parabens and their metabolites in 31 popular stretch mark creams originated from various countries including China. The concentrations of Σparaben (sum of eight parabens/metabolites) ranged from 0.007 to 1630 μg/g, with mean and median values of 453 and 273 μg/g, respectively. Methyl- and propyl-parabens accounted for >95% of Σparaben concentrations. We examined the measured paraben concentrations against ingredients listed on the product labels. Parabens were listed as ingredients in those creams that contained concentrations >100 μg/g except for four samples with such high concentrations. Six cream samples that were labeled 'paraben-free' contained trace levels (0.007-9.92 μg/g) of these preservatives. Mean dermal ∑paraben exposure dose from the use of stretch mark creams (30.6 μg/kg bw/day) was well below the current acceptable daily intake value (5 mg/kg bw/day). In comparison to diet and indoor dust ingestion pathways, paraben-laden stretch mark cream may be a major source of paraben exposure in pregnant and lactating women. This study provides information on parabens and other preservatives in stretch mark creams and measures to reduce exposures during pregnancy and lactation.
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Affiliation(s)
- Hongkai Zhu
- Department of Pediatrics, Department of Environmental Medicine, New York University School of Medicine, New York, NY 10016, United States
| | - Kurunthachalam Kannan
- Department of Pediatrics, Department of Environmental Medicine, New York University School of Medicine, New York, NY 10016, United States.
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35
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Ju J, Xie Y, Yu H, Guo Y, Cheng Y, Qian H, Yao W. Synergistic interactions of plant essential oils with antimicrobial agents: a new antimicrobial therapy. Crit Rev Food Sci Nutr 2020; 62:1740-1751. [PMID: 33207954 DOI: 10.1080/10408398.2020.1846494] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The problem of drug resistance of food borne pathogens is becoming more and more serious. Although traditional antimicrobial agents have good therapeutic effects on a variety of food borne pathogens, more effective antimicrobial agents are still needed to combat the development of drug-resistant food borne pathogens. Plant-based natural essential oils (EOs) are widely used because of their remarkable antimicrobial activity. A potential strategy to address food borne pathogens drug resistance is to use a combination of EOs and antimicrobial agents. Because EOs have multi-target inhibitory effects on microorganisms, combining them with drugs can enhance the activity of the drugs and avoid the emergence of food borne pathogens drug resistance. This paper introduces the main factors affecting the antibacterial activity of EOs and describes methods for evaluating their synergistic antibacterial effects. The possible mechanisms of action of EOs and the synergistic inhibitory effects on pathogens of EOs in combination with antimicrobial agents is described. In summary, the combined use of EOs and existing antimicrobial agents is a promising potential new antibacterial therapy.
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Affiliation(s)
- Jian Ju
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China.,School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
| | - Yunfei Xie
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China.,School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
| | - Hang Yu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China.,School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
| | - Yahui Guo
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China.,School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
| | - Yuliang Cheng
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China.,School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
| | - He Qian
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China.,School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
| | - Weirong Yao
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China.,School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
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36
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Ghodsi R, Nosrati R. Effects of Minor Compounds of Edible Oils on Human Health. CURRENT NUTRITION & FOOD SCIENCE 2020. [DOI: 10.2174/1573401316666200203121034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
Oils and fats are the densest sources of food energy among food groups.
Vegetable oils are constituted predominantly of triglycerides. Due to the importance of edible oils in
nutrition, food industry and human health, great attention has been paid to them in recent years.
Some minor bioactive constituents in oils include phospholipids, tocols, sterols, carotenoid, chlorophyll,
phenols, phylokynon and terpenes.
Objective:
The aim of the present study was to examine beneficial effects of minor compounds in edible oils on human health.
Results: Minor compounds of edible oils that we use daily can produce remarkable results in the prevention and treatment of various diseases like diabetes, inflammation, hypertension, cancer, allergy and central nervous system disorders due to their antimicrobial, anti-cancer, anti-viral, anti-oxidative, anti-inflammation, anti-mutagenic, hypolipidemic, and hypoglycemic properties, among others.
Conclusion:
The results of this study showed that the presence of beneficial minor compounds in oils could have significant impact on the prevention and treatment of various diseases. Therefore, the type of consumed oil can play an important role in human health.
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Affiliation(s)
- Ramin Ghodsi
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Rahmat Nosrati
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
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37
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Friedman M, Tam CC, Cheng LW, Land KM. Anti-trichomonad activities of different compounds from foods, marine products, and medicinal plants: a review. BMC Complement Med Ther 2020; 20:271. [PMID: 32907567 PMCID: PMC7479404 DOI: 10.1186/s12906-020-03061-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Accepted: 08/25/2020] [Indexed: 02/07/2023] Open
Abstract
Human trichomoniasis, caused by the pathogenic parasitic protozoan Trichomonas vaginalis, is the most common non-viral sexually transmitted disease that contributes to reproductive morbidity in affected women and possibly to prostate cancer in men. Tritrichomonas foetus strains cause the disease trichomoniasis in farm animals (cattle, bulls, pigs) and diarrhea in domestic animals (cats and dogs). Because some T. vaginalis strains have become resistant to the widely used drug metronidazole, there is a need to develop alternative treatments, based on safe natural products that have the potential to replace and/or enhance the activity of lower doses of metronidazole. To help meet this need, this overview collates and interprets worldwide reported studies on the efficacy of structurally different classes of food, marine, and medicinal plant extracts and some of their bioactive pure compounds against T. vaginalis and T. foetus in vitro and in infected mice and women. Active food extracts include potato peels and their glycoalkaloids α-chaconine and α-solanine, caffeic and chlorogenic acids, and quercetin; the tomato glycoalkaloid α-tomatine; theaflavin-rich black tea extracts and bioactive theaflavins; plant essential oils and their compounds (+)-α-bisabolol and eugenol; the grape skin compound resveratrol; the kidney bean lectin, marine extracts from algae, seaweeds, and fungi and compounds that are derived from fungi; medicinal extracts and about 30 isolated pure compounds. Also covered are the inactivation of drug-resistant T. vaginalis and T. foetus strains by sensitized light; anti-trichomonad effects in mice and women; beneficial effects of probiotics in women; and mechanisms that govern cell death. The summarized findings will hopefully stimulate additional research, including molecular-mechanism-guided inactivations and human clinical studies, that will help ameliorate adverse effects of pathogenic protozoa.
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Affiliation(s)
- Mendel Friedman
- United States Department of Agriculture, Healthy Processed Foods Research Unit, Agricultural Research Service, Albany, CA, 94710, USA.
| | - Christina C Tam
- United States Department of Agriculture, Foodborne Toxins Detection and Prevention Research Unit, Agricultural Research Service, Albany, California, 94710, USA
| | - Luisa W Cheng
- United States Department of Agriculture, Foodborne Toxins Detection and Prevention Research Unit, Agricultural Research Service, Albany, California, 94710, USA
| | - Kirkwood M Land
- Department of Biological Sciences, University of the Pacific, Stockton, CA, 95211, USA
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38
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Jugreet BS, Suroowan S, Rengasamy RK, Mahomoodally MF. Chemistry, bioactivities, mode of action and industrial applications of essential oils. Trends Food Sci Technol 2020. [DOI: 10.1016/j.tifs.2020.04.025] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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39
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Citrus medica and Cinnamomum zeylanicum Essential Oils as Potential Biopreservatives against Spoilage in Low Alcohol Wine Products. Foods 2020; 9:foods9050577. [PMID: 32375393 PMCID: PMC7278866 DOI: 10.3390/foods9050577] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 04/28/2020] [Accepted: 05/01/2020] [Indexed: 11/16/2022] Open
Abstract
Low alcohol wine is a new entry in the global wine market, due to the increase in consumers’ concern for health, economic and modern lifestyle issues. As low alcohol products are prone to spoilage, the adoption of natural-derived products with antimicrobial activity as biopreservatives seems to be an intriguing alternative. Thus, the aim of the present study was to investigate the possible antimicrobial properties of Citrus medica and Cinnamomum zeylanicum essential oils (EOs) and assess their commercial prospective in the wine industry. The main constituents identified by GC/MS analysis were limonene (38.46%) and linalool (35.44%) in C. medica EO, whereas trans-cinnamic-aldehyde (63.58%) was the dominant compound in C. zeylanicum EO. The minimum inhibitory (MIC), non-inhibitory (NIC) and minimum lethal concentration (MLC) values against common wine spoilage microbes were initially determined. Subsequently, their efficiency was further validated in low alcohol (~6% vol) wines, either separately or in combination at 0.010% (v/v), as well as in wines deliberately inoculated with Gluconobacter cerinus, Oenococcus oeni, Pediococcus pentosaceus, Dekkera bruxellensis, Candida zemplinina, Hanseniaspora uvarum, Pichia guilliermondii or Zygosaccharomyces bailii. EO addition led to considerable spoilage and microbial growth delay during storage at room or refrigerated temperature, suggesting their potential use as wine biopreservatives.
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40
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Rosario DKA, Rodrigues BL, Bernardes PC, Conte-Junior CA. Principles and applications of non-thermal technologies and alternative chemical compounds in meat and fish. Crit Rev Food Sci Nutr 2020; 61:1163-1183. [PMID: 32319303 DOI: 10.1080/10408398.2020.1754755] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Conventional methods of food preservation have demonstrated several disadvantages and limitations in the efficiency of the microbial load reduction and maintain food quality. Hence, non-thermal preservation technologies (NTPT) and alternative chemical compounds (ACC) have been considered a high promissory replacer to decontamination, increasing the shelf life and promoting low levels of physicochemical, nutritional and sensorial alterations of meat and fish products. The combination of these methods can be a potential alternative to the food industry. This review deals with the most critical aspects of the mechanisms of action under microbial, physicochemical, nutritional and sensorial parameters and the efficiency of the different NTPT (ultrasound, high pressure processing, gamma irradiation and UV-C radiation) and ACC (peracetic acid, bacteriocins, nanoparticles and essential oils) applied in meat and fish products. The NTPT and ACC present a high capacity of microorganisms inactivation, ensuring low alterations level in the matrix and high reduction of environmental impact. However, the application conditions of the different methods as exposition time, energy intensity and concentration thresholds of chemical compounds need to be specifically established and continuously improved for each matrix type to reduce to the maximum the physicochemical, nutritional and sensorial changes. In addition, the combination of the methods (hurdle concept) may be an alternative to enhance the matrix decontamination. In this way, undesirable changes in meat and fish products can be further reduced without a decrease in the efficiency of the decontamination.
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Affiliation(s)
- Denes K A Rosario
- Center for Food Analysis (NAL), Technological Development Support Laboratory (LADETEC), Avenida Horácio Macedo, Cidade Universitária, Rio de Janeiro, RJ, Brazil.,Food Science Program, Institute of Chemistry, Federal University of Rio de Janeiro, Av. Athos da Silveira Ramos, Rio de Janeiro, RJ, Brazil
| | - Bruna L Rodrigues
- Food Science Program, Institute of Chemistry, Federal University of Rio de Janeiro, Av. Athos da Silveira Ramos, Rio de Janeiro, RJ, Brazil
| | - Patricia C Bernardes
- Department of Food Engineering, Federal University of Espírito Santo, Alegre, Brazil
| | - Carlos A Conte-Junior
- Center for Food Analysis (NAL), Technological Development Support Laboratory (LADETEC), Avenida Horácio Macedo, Cidade Universitária, Rio de Janeiro, RJ, Brazil.,Food Science Program, Institute of Chemistry, Federal University of Rio de Janeiro, Av. Athos da Silveira Ramos, Rio de Janeiro, RJ, Brazil.,National Institute of Health Quality Control, Oswaldo Cruz Foundation, Rio de Janeiro, RJ, Brazil
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41
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Raveau R, Fontaine J, Lounès-Hadj Sahraoui A. Essential Oils as Potential Alternative Biocontrol Products against Plant Pathogens and Weeds: A Review. Foods 2020; 9:E365. [PMID: 32245234 PMCID: PMC7143296 DOI: 10.3390/foods9030365] [Citation(s) in RCA: 137] [Impact Index Per Article: 34.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2020] [Revised: 03/14/2020] [Accepted: 03/17/2020] [Indexed: 12/22/2022] Open
Abstract
Naturally produced by aromatic plants, essential oils (EO) contain a wide range of volatile molecules, including mostly secondary metabolites, which possess several biological activities. Essential oils properties such as antioxidant, antimicrobial and anti-inflammatory activities are known for a long time and hence widely used in traditional medicines, cosmetics and food industries. However, despite their effects against many phytopathogenic fungi, oomycetes and bacteria as well as weeds, their use in agriculture remains surprisingly scarce. The purpose of the present review is to gather and discuss up-to-date biological activities of EO against weeds, plant pathogenic fungi, oomycetes and bacteria, reported in the scientific literature. Innovative methods, potentially valuable to improve the efficiency and reliability of EO, have been investigated. In particular, their use towards a more sustainable agriculture has been discussed, aiming at encouraging the use of alternative products to substitute synthetic pesticides to control weeds and plant diseases, without significantly affecting crop yields. An overview of the market and the recent advances on the regulation of these products as well as future challenges to promote their development and wider use in disease management programs is described. Because of several recent reviews on EO insecticidal properties, this topic is not covered in the present review.
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Affiliation(s)
| | | | - Anissa Lounès-Hadj Sahraoui
- Unité de Chimie Environnementale et Interactions sur le Vivant (UCEIV, UR 4492), Université du Littoral Côte d’Opale, SFR Condorcet FR CNRS 3417, 50 rue Ferdinand Buisson, 62228 Calais cedex, France; (R.R.); (J.F.)
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Elcocks ER, Spencer-Phillips PTN, Adukwu EC. Rapid bactericidal effect of cinnamon bark essential oil against Pseudomonas aeruginosa. J Appl Microbiol 2019; 128:1025-1037. [PMID: 31793161 DOI: 10.1111/jam.14538] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2019] [Revised: 11/27/2019] [Accepted: 11/28/2019] [Indexed: 12/15/2022]
Abstract
AIMS This study aimed to identify the most effective antimicrobial agent from a selection of essential oils (EO) and investigate its bactericidal properties against Pseudomonas aeruginosa. METHODS AND RESULTS The disc diffusion assay and minimal inhibitory/bactericidal concentration tests were used to identify antimicrobial potential. Several oils exhibited antimicrobial effects at concentrations as low as 0·03% (v/v). Significantly, cinnamon (Cinnamomum zeylanicum) bark EO exhibited a broad-spectrum activity against Gram-negative and Gram-positive bacteria and showed bacteriostatic and bactericidal effects against P. aeruginosa PAO1 at 0·125% (v/v) and all other tested organisms, including known multidrug resistant species. Time-kill assays and metabolic activity tests showed cinnamon oil to exhibit rapid killing, with bactericidal activity observed in ≤6 min at ≥0·5% (v/v). Furthermore, scanning electron microscopy and a membrane permeability assay indicated damage to membrane integrity, loss of turgor and cell collapse. CONCLUSION Cinnamon bark EO is a broad-spectrum antimicrobial agent capable of rapid killing at low concentrations. SIGNIFICANCE AND IMPACT OF THE STUDY This study provides a sound basis for further investigation of the potential of cinnamon bark EO as an alternative to conventional antimicrobial products due to its fast-acting bactericidal properties at low concentrations.
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Affiliation(s)
- E R Elcocks
- Department of Health and Applied Sciences, Centre for Research in Biosciences, University of the West of England, Bristol, UK
| | - P T N Spencer-Phillips
- Department of Health and Applied Sciences, Centre for Research in Biosciences, University of the West of England, Bristol, UK
| | - E C Adukwu
- Department of Health and Applied Sciences, Centre for Research in Biosciences, University of the West of England, Bristol, UK
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43
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Antibacterial and antifungal effects of acetone extracts from fifty spice and herb plants. HERBA POLONICA 2019. [DOI: 10.2478/hepo-2019-0016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Summary
Introduction: Chemical industry is obligatory to improve new chemically effective components. Spices are potential new antimicrobials.
Objective: The present study was designed to evaluate the antibacterial and antifungal activity of fifty aromatic spices and medicinal herbs obtained from Turkey.
Material and methods: In vitro antibacterial activities of a total of fifty acetone extracts from aromatic spices and medicinal herbs were studied by disc diffusion and agar diffusion method. The extracts were tested against three Gram-positive bacteria (Listeria monocytogenes, Staphylococcus aureus, Bacillus cereus), four Gram-negative bacteria (Proteus vulgaris, Escherichia coli, Pseudomonas aeruginosa, Salmonella typhimurium) and two fungi (Aspergillus niger, Candida albicans).
Results: The highest antimicrobial activity was observed in the extract of Alpinia officinarum against Salmonella typhimurium and Cassia angustifolia against Bacillus cereus. Many of the extracts showed minimum inhibition concentration at even lowest dose.
Conclusion: The obtained results showed that aromatic spices and medicinal herbs may be used as natural antimicrobials against diseases.
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Yang C, Kennes YM, Lepp D, Yin X, Wang Q, Yu H, Yang C, Gong J, Diarra MS. Effects of encapsulated cinnamaldehyde and citral on the performance and cecal microbiota of broilers vaccinated or not vaccinated against coccidiosis. Poult Sci 2019; 99:936-948. [PMID: 32029170 PMCID: PMC7587813 DOI: 10.1016/j.psj.2019.10.036] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Revised: 10/15/2019] [Accepted: 10/15/2019] [Indexed: 01/08/2023] Open
Abstract
This study investigated the effects of encapsulated cinnamaldehyde (CIN) and citral (CIT) alone or in combination (CIN + CIT) on the growth performance and cecal microbiota of nonvaccinated broilers and broilers vaccinated against coccidiosis. Vaccinated (1,600) and nonvaccinated (1,600) 0-day-old male Cobb500 broilers were randomly allocated to 5 treatments: basal diet (control) and basal diet supplemented with bacitracin (BAC, 55 ppm), CIN (100 ppm), CIT (100 ppm), and CIN (100 ppm) + CIT (100 ppm). In general, body weight (BW) and feed conversion ratio were significantly improved in birds treated with BAC, CIN, CIT, and CIN + CIT (P < 0.05) but were all decreased in vaccinated birds compared with nonvaccinated birds (P < 0.05). Significant interactions (P < 0.05) between vaccination and treatments for average daily gain during the periods of starter (day 0–9) and BW on day 10 were noted. Broilers receiving vaccines (P < 0.01) or feed supplemented with BAC, CIN, CIT, or CIN + CIT (P < 0.01) showed reductions in mortality rate from day 0 to 28. The incidences of minor coccidiosis were higher (P < 0.05) in vaccinated birds than in nonvaccinated birds. Diet supplementation with BAC or tested encapsulated essential oils showed comparable effects on the coccidiosis incidences. Similar to BAC, CIN and its combination with CIT reduced both incidence and severity of necrotic enteritis (P < 0.05). No treatment effects were observed on the cecal microbiota at the phyla level. At the genus level, significant differences between vaccination and treatment groups were observed for 5 (Lactobacillus, Ruminococcus, Faecalibacterium, Enterococcus, and Clostridium) of 40 detected genera (P < 0.05). The genus Lactobacillus was more abundant in broilers fed with CIT, while Clostridium and Enterococcus were less abundant in broilers fed with CIN, CIT, or CIN + CIT in both the vaccinated and nonvaccinated groups. Results from this study suggested that CIN alone or in combination with CIT in feed could improve chicken growth performance to the level comparable with BAC and alter cecal microbiota composition.
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Affiliation(s)
- Chongwu Yang
- Guelph Research and Development Centre, Agriculture and Agri-Food Canada, 93 Stone Road West, Guelph, Ontario, Canada N1G 5C9; Department of Animal Science, University of Manitoba, Winnipeg, Manitoba, Canada R3T 2N2
| | - Yan Martel Kennes
- Centre de recherche en sciences animales de Deschambault, Deschambault, 120-A, chemin du Roy, Canada QC G0A 1S0
| | - Dion Lepp
- Guelph Research and Development Centre, Agriculture and Agri-Food Canada, 93 Stone Road West, Guelph, Ontario, Canada N1G 5C9
| | - Xianhua Yin
- Guelph Research and Development Centre, Agriculture and Agri-Food Canada, 93 Stone Road West, Guelph, Ontario, Canada N1G 5C9
| | - Qi Wang
- Guelph Research and Development Centre, Agriculture and Agri-Food Canada, 93 Stone Road West, Guelph, Ontario, Canada N1G 5C9
| | - Hai Yu
- Guelph Research and Development Centre, Agriculture and Agri-Food Canada, 93 Stone Road West, Guelph, Ontario, Canada N1G 5C9
| | - Chengbo Yang
- Department of Animal Science, University of Manitoba, Winnipeg, Manitoba, Canada R3T 2N2
| | - Joshua Gong
- Guelph Research and Development Centre, Agriculture and Agri-Food Canada, 93 Stone Road West, Guelph, Ontario, Canada N1G 5C9.
| | - Moussa S Diarra
- Guelph Research and Development Centre, Agriculture and Agri-Food Canada, 93 Stone Road West, Guelph, Ontario, Canada N1G 5C9.
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Jeon MJ, Ha JW. Inactivating foodborne pathogens in apple juice by combined treatment with fumaric acid and ultraviolet-A light, and mechanisms of their synergistic bactericidal action. Food Microbiol 2019; 87:103387. [PMID: 31948628 DOI: 10.1016/j.fm.2019.103387] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2018] [Revised: 11/11/2019] [Accepted: 11/20/2019] [Indexed: 11/26/2022]
Abstract
We evaluated the bactericidal efficacy of the simultaneous application of ultraviolet-A (UV-A) irradiation and fumaric acid (FA) against Escherichia coli O157:H7, Salmonella enterica serovar Typhimurium, and Listeria monocytogenes in apple juice and as well as investigated the effects of this treatment on product quality. Further, we elucidated the mechanisms underlying their synergistic bactericidal action. Simultaneous UV-A light irradiation and 0.1% FA treatment for 30 min resulted in 6.65-, 6.27-, and 6.49-log CFU/ml reductions in E. coli O157:H7, S. Typhimurium, and L. monocytogenes, respectively, which involved 3.15, 2.21, and 3.43 log CFU reductions, respectively, and these were attributed to the synergistic action of the combined treatments. Mechanistic investigations suggested that the combined UVA-FA treatment resulted in significantly greater bacterial cell membrane damage and intracellular reactive oxygen species (ROS) generation. UVA-FA treatment for 30 min did not cause significant changes to the color, nonenzymatic browning index, pH, and total phenolic content of apple juice. These results suggest that combined UVA-FA treatment can be effectively used to control foodborne pathogens in apple juice without affecting its quality.
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Affiliation(s)
- Min-Jin Jeon
- Department of Food Science and Biotechnology, College of Engineering, Food & Bio-industry Research Center, Hankyong National University, Anseong-si, 17579, South Korea
| | - Jae-Won Ha
- Department of Food Science and Biotechnology, College of Engineering, Food & Bio-industry Research Center, Hankyong National University, Anseong-si, 17579, South Korea.
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46
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Inactivation of Salmonella spp. in tahini using plant essential oil extracts. Food Microbiol 2019; 86:103338. [PMID: 31703867 DOI: 10.1016/j.fm.2019.103338] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2019] [Revised: 08/01/2019] [Accepted: 09/17/2019] [Indexed: 11/21/2022]
Abstract
Tahini is a popular food product in the Middle East region and is used as a major ingredient in several ready-to-eat food products. Tahini and its products have been linked to foodborne illness outbreaks and product recalls worldwide as a result of Salmonella spp. contamination. The objectives of the current study were to investigate: i) the effectiveness of 10 plant essential oil extracts on the viability of Salmonella spp. using disc diffusion ii) the antimicrobial activity of the most effective oils against Salmonella spp. in commercial or 10% w/v hydrated tahini (tahini-based product model) stored at 37, 25 and 10 °C for 28 d and iii) the effect of the addition of essential oil extracts on the sensory acceptability of tahini and hydrated tahini. Among the tested essential oils, thyme (TO) and cinnamon oil (CO) showed the highest antimicrobial activity against tested Salmonella spp. at 37 and 10 °C using a disc diffusion assay method. In tahini, the addition of 2.0% CO reduced the numbers of Salmonella spp. by 2.87, 2.64 or 2.35 log10 CFU/ml at 37, 25 or 10 °C, respectively, by 28 d. However, the antimicrobial activity of CO was more pronounced at all storage temperatures in hydrated tahini where no viable cells were detected after 3 d storage at 25 and 37 °C, or after 7 d at 10 °C. However, at 25 and 37 °C, the antimicrobial activity of CO was more evident since no viable cells were detected after 14 d when 0.5% was used. The numbers of Salmonella spp. were reduced by 3.29, 3.03 or 2.17 log10 CFU/ml at 37, 25 or 10 °C, respectively, after 28 d when 2.0% TO was added to tahini. Salmonella spp. were not detected in the hydrated tahini treated with 2.0% TO after 28 d at 37 °C or 25 °C, while at 10 °C, the numbers of Salmonella spp. were not significantly reduced after 28 d in hydrated tahini compared to the initial numbers at zero time. Therefore, the addition of TO and CO could be used to preclude the post process contamination of tahini with foodborne pathogens, yet, the addition of TO and CO to tahini reduced its consumer acceptability compared untreated tahini.
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47
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Use of free and encapsulated nerolidol to inhibit the survival of Lactobacillus fermentum in fresh orange juice. Food Chem Toxicol 2019; 133:110795. [PMID: 31472225 DOI: 10.1016/j.fct.2019.110795] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2019] [Revised: 08/22/2019] [Accepted: 08/26/2019] [Indexed: 01/23/2023]
Abstract
Lactobacillus fermentum is commonly responsible for fruit juice fermentation and spoilage. The aim of this study was to investigate the potential use of nerolidol to control the spoilage of fresh orange juice by L. fermentum. Nerolidol was incorporated into hydroxypropyl-β-cyclodextrin inclusion complex, conventional liposome, and drug-in-cyclodextrin-in liposome systems. The systems were lyophilized and characterized with respect to their nerolidol content, size, and morphology. The effects of the acidity and cold storage of orange juice on the survival of L. fermentum were evaluated. Subsequently, the antibacterial activity of nerolidol in refrigerated orange juice was assessed at pH 3.3. Nerolidol showed a faster antibacterial activity at 4 000 μM (5 days) compared to 2 000 μM (8 days). Under the same conditions, the inclusion complex completely killed bacteria within 6 days of incubation at 4 000 μM, suggesting its potential application in fruit juices. Nerolidol-loaded liposomes did not exhibit an antibacterial activity and altered the appearance of juice.
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48
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Lira MC, Rodrigues JB, Almeida ETC, Ritter AC, Tondo E, Torres SM, Schaffner D, de Souza EL, Magnani M. Efficacy of oregano and rosemary essential oils to affect morphology and membrane functions of noncultivable sessile cells of Salmonella Enteritidis 86 in biofilms formed on stainless steel. J Appl Microbiol 2019; 128:376-386. [PMID: 31448524 DOI: 10.1111/jam.14423] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2019] [Revised: 08/05/2019] [Accepted: 08/17/2019] [Indexed: 01/06/2023]
Abstract
AIMS This study evaluated the efficacy of essential oil from Origanum vulgare L. (oregano; OVEO) and Rosmarinus officinalis L. (rosemary; ROEO) to inactivate sessile cells of Salmonella enterica serovar Enteritidis 86 (SE86) in young and mature biofilms formed on stainless steel. METHODS AND RESULTS Ultrastructural alterations and damage in different physiological functions caused by OVEO and ROEO in noncultivable sessile cells of SE86 were investigated using scanning electron microscopy and flow cytometry. OVEO (2·5 μl ml-1 ) and ROEO (40 μl ml-1 ) were effective to eradicate young and mature biofilms formed by SE86 sessile cells on stainless steel surfaces; however, the efficacy varied with exposure time. OVEO and ROEO caused alterations in morphology of SE86 sessile cells, inducing the occurrence of bubbles or spots on cell surface. OVEO and ROEO compromised membrane polarization, permeability and efflux activity in noncultivable SE86 sessile cells. These findings show that OVEO and ROEO act by a multitarget mechanism on SE86 membrane functions. CONCLUSIONS ROEO and OVEO showed efficacy to eradicate SE86 sessile cells in preformed biofilms on stainless steel, displaying a time-dependent effect and multitarget action mode on bacterial cell membrane. SIGNIFICANCE AND IMPACT OF THE STUDY The study provides for the first time the effects of OVEO and ROEO on morphology and physiological functions of noncultivable sessile cells of S. Enteritidis biofilms preformed on stainless steel surfaces.
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Affiliation(s)
- M C Lira
- Department of Nutrition, Health Sciences Center, Laboratory of Food Microbiology, Federal University of Paraíba, João Pessoa, Brazil
| | - J B Rodrigues
- Department of Food Engineering, Center of Technology, Laboratory of Microbial Process in Foods, Federal University of Paraíba, João Pessoa, Brazil
| | - E T C Almeida
- Department of Nutrition, Health Sciences Center, Laboratory of Food Microbiology, Federal University of Paraíba, João Pessoa, Brazil
| | - A C Ritter
- Laboratory of Food Microbiology, Food Science and Technology Institute, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - E Tondo
- Laboratory of Food Microbiology, Food Science and Technology Institute, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - S M Torres
- Department of Materials Engineering, Center of Technology, Federal University of Paraíba, João Pessoa, Brazil
| | - D Schaffner
- Department of Food Science, Rutgers, The State University of New Jersey, New Brunswick, NJ, USA
| | - E L de Souza
- Department of Nutrition, Health Sciences Center, Laboratory of Food Microbiology, Federal University of Paraíba, João Pessoa, Brazil
| | - M Magnani
- Department of Food Engineering, Center of Technology, Laboratory of Microbial Process in Foods, Federal University of Paraíba, João Pessoa, Brazil
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49
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Jamir L, Kumar V, Gat Y, Kumar A, Kaur S. Wine: a potential source of antimicrobial compounds. ACTA ACUST UNITED AC 2019. [DOI: 10.1080/09571264.2019.1652151] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Lemnaro Jamir
- School of Biotechnology and Biosciences, Lovely Professional University, Phagwara, Punjab, India
| | - Vikas Kumar
- Food Technology and Nutrition, School of Agriculture, Lovely Professional University, Phagwara, Punjab, India
| | - Yogesh Gat
- Food Technology and Nutrition, School of Agriculture, Lovely Professional University, Phagwara, Punjab, India
| | - Ashwani Kumar
- Food Technology and Nutrition, School of Agriculture, Lovely Professional University, Phagwara, Punjab, India
| | - Sawinder Kaur
- Food Technology and Nutrition, School of Agriculture, Lovely Professional University, Phagwara, Punjab, India
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50
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Guimarães AC, Meireles LM, Lemos MF, Guimarães MCC, Endringer DC, Fronza M, Scherer R. Antibacterial Activity of Terpenes and Terpenoids Present in Essential Oils. Molecules 2019; 24:molecules24132471. [PMID: 31284397 PMCID: PMC6651100 DOI: 10.3390/molecules24132471] [Citation(s) in RCA: 301] [Impact Index Per Article: 60.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Revised: 05/10/2019] [Accepted: 05/25/2019] [Indexed: 11/25/2022] Open
Abstract
Background: The antimicrobial activity of essential oils has been reported in hundreds of studies, however, the great majority of these studies attribute the activity to the most prevalent compounds without analyzing them independently. Therefore, the aim was to investigate the antibacterial activity of 33 free terpenes commonly found in essential oils and evaluate the cellular ultrastructure to verify possible damage to the cellular membrane. Methods: Screening was performed to select substances with possible antimicrobial activity, then the minimal inhibitory concentrations, bactericidal activity and 24-h time-kill curve studies were evaluated by standard protocols. In addition, the ultrastructure of control and death bacteria were evaluated by scanning electron microscopy. Results: Only 16 of the 33 compounds had antimicrobial activity at the initial screening. Eugenol exhibited rapid bactericidal action against Salmonella enterica serovar Typhimurium (2 h). Terpineol showed excellent bactericidal activity against S. aureus strains. Carveol, citronellol and geraniol presented a rapid bactericidal effect against E. coli. Conclusions: The higher antimicrobial activity was related to the presence of hydroxyl groups (phenolic and alcohol compounds), whereas hydrocarbons resulted in less activity. The first group, such as carvacrol, l-carveol, eugenol, trans-geraniol, and thymol, showed higher activity when compared to sulfanilamide. Images obtained by scanning electron microscopy indicate that the mechanism causing the cell death of the evaluated bacteria is based on the loss of cellular membrane integrity of function. The present study brings detailed knowledge about the antimicrobial activity of the individual compounds present in essential oils, that can provide a greater understanding for the future researches.
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Affiliation(s)
- Aline Cristina Guimarães
- Pharmaceutical Sciences Graduate Program, Universidade Vila Velha, Espírito Santo 29102-770, Brazil
| | - Leandra Martins Meireles
- Pharmaceutical Sciences Graduate Program, Universidade Vila Velha, Espírito Santo 29102-770, Brazil
| | - Mayara Fumiere Lemos
- Pharmaceutical Sciences Graduate Program, Universidade Vila Velha, Espírito Santo 29102-770, Brazil
| | | | | | - Marcio Fronza
- Pharmaceutical Sciences Graduate Program, Universidade Vila Velha, Espírito Santo 29102-770, Brazil
| | - Rodrigo Scherer
- Pharmaceutical Sciences Graduate Program, Universidade Vila Velha, Espírito Santo 29102-770, Brazil.
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