1
|
Guan Y, Lu S, Sun Y, Zhang R, Lu X, Pang L, Wang L. Effect of Tea Tree Essential Oil on the Quality, Antioxidant Activity, and Microbiological Safety of Lightly Processed Lily ( Lilium brownii var. viridulum) during Storage. Foods 2024; 13:2106. [PMID: 38998612 PMCID: PMC11241024 DOI: 10.3390/foods13132106] [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: 05/25/2024] [Revised: 06/14/2024] [Accepted: 06/19/2024] [Indexed: 07/14/2024] Open
Abstract
The Lanzhou lily is a regionally distinctive vegetable; the emergence of lightly processed lilies has addressed the inconvenience of consuming fresh lilies. However, the cleaning and impurity removal during the processing of lightly processed lily may strip off its original protective barrier and affect the edible quality. As one of the preservation methods, tea tree essential oil (TTEO) has the characteristics of being green, safe, and efficient preservative properties. This study focused on investigating the effects of different concentrations (25 μL/L, 50 μL/L, and 100 μL/L) of TTEO on the quality and microbiological safety of lightly processed lily. The results showed that compared with the control, appropriate concentrations of TTEO treatment could delay weight loss, improve appearance, firmness, and sensory quality, and maintain microbiological safety with the best effect observed at 50 μL/L. Meanwhile, TTEO treatment induced phenylalanine ammonia-lyase activity, thereby increasing the total phenolic content. Furthermore, TTEO enhanced the superoxide dismutase (SOD) and ascorbate peroxidase (APX) activity, which reduced O2-· production rate and H2O2 content. TTEO inhibited lipoxygenase (LOX) activity, reducing the relative conductivity and malondialdehyde content, thereby delaying lipid peroxidation and quality deterioration. This indicates that TTEO could enhance antioxidant capacity by regulating reactive oxygen species (ROS) metabolism and delay the quality deterioration of lightly processed lily by inhibiting lipid peroxidation.
Collapse
Affiliation(s)
- Yuge Guan
- School of Food and Health, Zhejiang Agricultural and Forestry University, Hangzhou 311300, China
| | - Sainan Lu
- School of Food and Health, Zhejiang Agricultural and Forestry University, Hangzhou 311300, China
| | - Yan Sun
- School of Food and Health, Zhejiang Agricultural and Forestry University, Hangzhou 311300, China
| | - Rentao Zhang
- School of Food and Health, Zhejiang Agricultural and Forestry University, Hangzhou 311300, China
| | - Xinghua Lu
- School of Food and Health, Zhejiang Agricultural and Forestry University, Hangzhou 311300, China
| | - Linjiang Pang
- School of Food and Health, Zhejiang Agricultural and Forestry University, Hangzhou 311300, China
| | - Lei Wang
- Stoddart Institute of Molecular Science, Department of Chemistry, Zhejiang University, Hangzhou 310027, China
| |
Collapse
|
2
|
Vršanská M, Veselá L, Baláková I, Kovaříková E, Jansová E, Knoll A, Voběrková S, Kubíčková L, Vaverková MD. A comprehensive study of food waste management and processing in the Czech Republic: Potential health risks and consumer behavior. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 927:172214. [PMID: 38580122 DOI: 10.1016/j.scitotenv.2024.172214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Revised: 04/01/2024] [Accepted: 04/02/2024] [Indexed: 04/07/2024]
Abstract
Food waste is currently a widely discussed phenomenon with significant economic and social consequences. One third of the food produced in the world is wasted at various points along the food supply chain. This article presents a comprehensive study that examines consumer behavior in dealing with food waste and activities in the composting process that enable waste sanitation. The survey conducted as part of this study showed that consumers want to eliminate odors, are concerned about potential infections, and generally sort less food waste. This study suggested that the addition of appropriate additives could be a solution. The results indicated that additives could eliminate negative side effects such as unpleasant odors, the presence of insects and rodents, and act as a prevention of the occurrence of pathogenic organisms. Tea tree oil showed the best positive physical and chemical properties among the additives tested (CaCO3 and citric acid) with a significant effect on inhibiting the growth of bacterial strains such as Salmonella strains and had the strongest antibacterial effect, neutralized unpleasant odors, and stabilized the waste. The use of additives could be a future solution to meet consumer demands, improve the quality of food waste and advance the circular economy to improve the sustainability of agricultural systems.
Collapse
Affiliation(s)
- Martina Vršanská
- Department of Chemistry and Biochemistry, Mendel University in Brno, třída Generála Píky 1999/5, 613 00 Brno, Czech Republic
| | - Lucie Veselá
- Department of Marketing and Trade, Faculty of Business and Economics, Mendel University in Brno, Zemědělská 1, 613 00 Brno, Czech Republic
| | - Irena Baláková
- Department of Marketing and Trade, Faculty of Business and Economics, Mendel University in Brno, Zemědělská 1, 613 00 Brno, Czech Republic
| | - Ester Kovaříková
- Department of Chemistry and Biochemistry, Mendel University in Brno, třída Generála Píky 1999/5, 613 00 Brno, Czech Republic
| | - Eva Jansová
- Department of Chemistry and Biochemistry, Mendel University in Brno, třída Generála Píky 1999/5, 613 00 Brno, Czech Republic
| | - Aleš Knoll
- Department of Animal Morphology, Physiology and Genetics, Faculty of AgriSciences, Mendel University in Brno, Zemědělská 1, 613 00 Brno, Czech Republic
| | - Stanislava Voběrková
- Department of Chemistry and Biochemistry, Mendel University in Brno, třída Generála Píky 1999/5, 613 00 Brno, Czech Republic
| | - Lea Kubíčková
- Department of Marketing and Trade, Faculty of Business and Economics, Mendel University in Brno, Zemědělská 1, 613 00 Brno, Czech Republic
| | - Magdalena Daria Vaverková
- Department of Applied and Landscape Ecology, Faculty of AgriSciences, Mendel University in Brno, Zemědělská 1, 613 00 Brno, Czech Republic; Department of Revitalization and Architecture, Institute of Civil Engineering, Warsaw University of Life Sciences, Nowoursynowska 159, 02 776 Warsaw, Poland.
| |
Collapse
|
3
|
Jieying S, Tingting L, Caie W, Dandan Z, Gongjian F, Xiaojing L. Paper-based material with hydrophobic and antimicrobial properties: Advanced packaging materials for food applications. Compr Rev Food Sci Food Saf 2024; 23:e13373. [PMID: 38778547 DOI: 10.1111/1541-4337.13373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Revised: 04/26/2024] [Accepted: 05/08/2024] [Indexed: 05/25/2024]
Abstract
The environmental challenges posed by plastic pollution have prompted the exploration of eco-friendly alternatives to disposable plastic packaging and utensils. Paper-based materials, derived from renewable resources such as wood pulp, non-wood pulp (bamboo pulp, straw pulp, reed pulp, etc.), and recycled paper fibers, are distinguished by their recyclability and biodegradability, making them promising substitutes in the field of plastic food packaging. Despite their merits, challenges like porosity, hydrophilicity, limited barrier properties, and a lack of functionality have restricted their packaging potential. To address these constraints, researchers have introduced antimicrobial agents, hydrophobic substances, and other functional components to improve both physical and functional properties. This enhancement has resulted in notable improvements in food preservation outcomes in real-world scenarios. This paper offers a comprehensive review of recent progress in hydrophobic antimicrobial paper-based materials. In addition to outlining the characteristics and functions of commonly used antimicrobial substances in food packaging, it consolidates the current research landscape and preparation techniques for hydrophobic paper. Furthermore, the paper explores the practical applications of hydrophobic antimicrobial paper-based materials in agricultural produce, meat, and seafood, as well as ready-to-eat food packaging. Finally, challenges in production, application, and recycling processes are outlined to ensure safety and efficacy, and prospects for the future development of antimicrobial hydrophobic paper-based materials are discussed. Overall, the emergence of hydrophobic antimicrobial paper-based materials stands out as a robust alternative to plastic food packaging, offering a compelling solution with superior food preservation capabilities. In the future, paper-based materials with antimicrobial and hydrophobic functionalities are expected to further enhance food safety as promising packaging materials.
Collapse
Affiliation(s)
- Shi Jieying
- Co-Innovation Center for the Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing, China
| | - Li Tingting
- Co-Innovation Center for the Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing, China
- College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing, Jiangsu, China
| | - Wu Caie
- Co-Innovation Center for the Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing, China
- College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing, Jiangsu, China
| | - Zhou Dandan
- Co-Innovation Center for the Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing, China
- College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing, Jiangsu, China
| | - Fan Gongjian
- Co-Innovation Center for the Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing, China
- College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing, Jiangsu, China
| | - Li Xiaojing
- Co-Innovation Center for the Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing, China
- College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing, Jiangsu, China
| |
Collapse
|
4
|
Gress-Antonio CD, Rivero-Perez N, Marquina-Bahena S, Alvarez L, Zaragoza-Bastida A, Martínez-Juárez VM, Sosa-Gutierrez CG, Ocampo-López J, Zepeda-Bastida A, Ojeda-Ramírez D. Litsea glaucescens Kuth possesses bactericidal activity against Listeria monocytogenes. PeerJ 2023; 11:e16522. [PMID: 38054017 PMCID: PMC10695109 DOI: 10.7717/peerj.16522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Accepted: 11/03/2023] [Indexed: 12/07/2023] Open
Abstract
Background Litsea glaucencens Kuth is an aromatic plant used for food seasoning food and in Mexican traditional medicine. Among, L. glaucencens leaves properties, it has proven antibacterial activity which can be used against opportunistic pathogens like Listeria monocytogenes, a foodborne bacteria that is the causal agent of listeriosis, a disease that can be fatal in susceptible individuals. The aim of this work was to investigate the antibacterial activity of L. glaucescens Kuth leaf extracts against L. monocytogenes and to identify its bioactive components. Material and Methods L. glaucences leaves were macerated with four solvents of different polarity (n-hexane, dichloromethane, ethyl acetate, and methanol). To determine the capacity to inhibit bacterial proliferation in vitro, agar diffusion and microdilution methods were used. Next, we determined the minimal bactericidal concentration (MBC). Finally, we determined the ratio of MBC/MIC. Metabolites present in the active methanolic extract from L. glaucescens Kuth (LgMeOH) were purified by normal-phase open column chromatography. The structure of the antibacterial metabolite was determined using nuclear magnetic resonance (1H, 13C, COSY, HSQC) and by comparison with known compounds. Results The LgMeOH extract was used to purify the compound responsible for the observed antimicrobial activity. This compound was identified as 5,7-dihydroxyflavanone (pinocembrin) by analysis of its spectroscopic data and comparison with those described. The MIC and MBC values obtained for pinocembrin were 0.68 mg/mL, and the ratio MBC/MIC for both LgMeOH and pinocembrin was one, which indicates bactericidal activity. Conclusion L. glaucences Kuth leaves and its metabolite pinocembrin can be used to treat listeriosis due the bactericidal activity against L. monocytogenes.
Collapse
Affiliation(s)
- Carlos David Gress-Antonio
- Área Académica de Medicina Veterinaria y Zootecnia, Universidad Autónoma del Estado de Hidalgo, Tulancingo de Bravo, Hidalgo, Mexico
| | - Nallely Rivero-Perez
- Área Académica de Medicina Veterinaria y Zootecnia, Universidad Autónoma del Estado de Hidalgo, Tulancingo de Bravo, Hidalgo, Mexico
| | - Silvia Marquina-Bahena
- Centro de Investigaciones Químicas, Universidad Autónoma del Estado de Morelos, Cuernavaca, Morelos, Mexico
| | - Laura Alvarez
- Centro de Investigaciones Químicas, Universidad Autónoma del Estado de Morelos, Cuernavaca, Morelos, Mexico
| | - Adrian Zaragoza-Bastida
- Área Académica de Medicina Veterinaria y Zootecnia, Universidad Autónoma del Estado de Hidalgo, Tulancingo de Bravo, Hidalgo, Mexico
| | - Víctor Manuel Martínez-Juárez
- Área Académica de Medicina Veterinaria y Zootecnia, Universidad Autónoma del Estado de Hidalgo, Tulancingo de Bravo, Hidalgo, Mexico
| | - Carolina G. Sosa-Gutierrez
- Área Académica de Medicina Veterinaria y Zootecnia, Universidad Autónoma del Estado de Hidalgo, Tulancingo de Bravo, Hidalgo, Mexico
| | - Juan Ocampo-López
- Área Académica de Medicina Veterinaria y Zootecnia, Universidad Autónoma del Estado de Hidalgo, Tulancingo de Bravo, Hidalgo, Mexico
| | - Armando Zepeda-Bastida
- Área Académica de Medicina Veterinaria y Zootecnia, Universidad Autónoma del Estado de Hidalgo, Tulancingo de Bravo, Hidalgo, Mexico
| | - Deyanira Ojeda-Ramírez
- Área Académica de Medicina Veterinaria y Zootecnia, Universidad Autónoma del Estado de Hidalgo, Tulancingo de Bravo, Hidalgo, Mexico
| |
Collapse
|
5
|
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: 4] [Impact Index Per Article: 4.0] [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.
Collapse
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
| |
Collapse
|
6
|
Zhang L, Yang N, Jin Y, Xu X. Putative inactivation mechanism and germicidal efficacy of induced electric field against Staphylococcus aureus. Food Microbiol 2023; 111:104208. [PMID: 36681392 DOI: 10.1016/j.fm.2022.104208] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 12/09/2022] [Accepted: 12/11/2022] [Indexed: 12/15/2022]
Abstract
Induced electric field (IEF), as an alternative non-conventional processing technique, is utilized to sterilize liquid foods. In this study, the survival and sublethal injury of S. aureus under IEF were investigated in 0.85% normal saline, and the inactivation mechanism of IEF was expounded. The plate count results showed that the sublethal injury rates remained above 90% after IEF treatment for more than 8.4 s, and 7.1 log CFU/mL of S. aureus was completely inactivated after 14 s IEF treatment. Scanning electron microscopy and transmission electron microscope images showed that IEF caused the destruction of cell membrane and internal substructure, and the damage to intracellular substructure was more severe. Altered membrane integrity or permeability was demonstrated through flow cytometry and confocal laser scanning microscope analysis, and the different damage to cells was quantified by propidium iodide & 5-carboxy fluorescein diacetate single and double staining. In addition, IEF treatment also decreased the membrane potential and esterase activity of S. aureus cells. Putative inactivation mechanism of IEF against S. aureus is a complex process, and its apoptosis is the result of the combination of several factors, which provide a basis for understanding the inactivation mechanism of IEF.
Collapse
Affiliation(s)
- Lingtao Zhang
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China
| | - Na Yang
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China; Jiangsu Key Laboratory of Advanced Food Manufacturing Equipment and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China.
| | - Yamei Jin
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China; Jiangsu Key Laboratory of Advanced Food Manufacturing Equipment and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China
| | - Xueming Xu
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China; Jiangsu Key Laboratory of Advanced Food Manufacturing Equipment and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China; State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China
| |
Collapse
|
7
|
Martínez Chamás J, Isla MI, Zampini IC. Antibacterial and Antibiofilm Activity of Different Species of Fabiana sp. Extract Obtained via Maceration and Ultrasound-Assisted Extraction against Staphylococcus epidermidis. PLANTS (BASEL, SWITZERLAND) 2023; 12:plants12091830. [PMID: 37176887 PMCID: PMC10180551 DOI: 10.3390/plants12091830] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 04/15/2023] [Accepted: 04/26/2023] [Indexed: 05/15/2023]
Abstract
Staphylococcus epidermidis is an opportunistic pathogen that, under certain conditions, can induce aggravated infectious processes, mainly in immunosuppressed patients. Moreover, S. epidermidis is one of the leading causes of medical device- and implant-associated infections and is also recognized as a canonical biofilm producer. Fabiana punensis, F. densa and F. patagonica are three medicinal plants that grow in arid environments in Argentina (Altoandina, Puna, Prepuna and Monte regions). In this work, we studied the antimicrobial activity of alcoholic extracts of these plant species obtained via maceration (M) and ultrasound-assisted extraction (UAE) against S. epidermidis. In addition, the antibiofilm activity of the F. densa extract was also evaluated. It was found that the extracts obtained via M did not present differences with those obtained via UAE regarding the chemical profile. F. densa showed the lowest minimum inhibitory concentration (MIC) value (75 µg GAE/mL). At concentrations higher than the MIC, the extract induced the release of cellular constituents. At the concentration of 1/8× MIC, the extract inhibited biofilm formation by 78%, reducing metabolic activity by 67%. On the other hand, it presented a low percentage of preformed biofilm removal. In all assays, gallic acid (GA) has been used as a reference antimicrobial compound. Finally, it was shown via microscopy visualization that the extract reduces adhesion to hydrophobic and hydrophilic surfaces. Thus, F. densa extracts could potentially be used for the antibiotic treatment of infections produced by S. epidermidis or as an inhibitor agent of production biofilm, avoiding infections caused by medical devices.
Collapse
Affiliation(s)
- José Martínez Chamás
- Laboratorio de Investigación de Productos Naturales (LIPRON), Instituto de Bioprospección y Fisiología Vegetal (INBIOFIV-CONICET-UNT), Facultad de Ciencias Naturales e IML, Universidad Nacional de Tucumán, San Lorenzo 1469, San Miguel de Tucumán PC:4000, Tucumán, Argentina
| | - María Inés Isla
- Laboratorio de Investigación de Productos Naturales (LIPRON), Instituto de Bioprospección y Fisiología Vegetal (INBIOFIV-CONICET-UNT), Facultad de Ciencias Naturales e IML, Universidad Nacional de Tucumán, San Lorenzo 1469, San Miguel de Tucumán PC:4000, Tucumán, Argentina
| | - Iris Catiana Zampini
- Laboratorio de Investigación de Productos Naturales (LIPRON), Instituto de Bioprospección y Fisiología Vegetal (INBIOFIV-CONICET-UNT), Facultad de Ciencias Naturales e IML, Universidad Nacional de Tucumán, San Lorenzo 1469, San Miguel de Tucumán PC:4000, Tucumán, Argentina
| |
Collapse
|
8
|
The synergy of thanatin and cathelicidin-BF-15a3 combats Escherichia coli O157:H7. Int J Food Microbiol 2023; 386:110018. [PMID: 36459817 DOI: 10.1016/j.ijfoodmicro.2022.110018] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 10/04/2022] [Accepted: 11/13/2022] [Indexed: 11/27/2022]
Abstract
Escherichia coli O157:H7 is a pathogen that commonly causes foodborne illness and represents a health hazard to consumers. The combined use of synergistic antimicrobial peptides (AMPs) is a promising way to improve the microbiological safety of foods. In this study, we detected the synergistic interactions between thanatin and BF-15a3 to reduce their usage and obtain more efficient antibacterial activity. The minimal inhibitory concentrations (MICs) of thanatin and BF-15a3 against 49 E. coli O157:H7 strains were ranged from 2 to 8 μg/mL and 4-32 μg/mL, showed a general inhibitory effect on E. coli O157:H7 strains, respectively, even multidrug-resistant strains. Their fractional inhibitory concentration index (FICI) was 0.375, which suggested that their combination presented synergistic antibacterial effect against E. coli O157:H7. The killing kinetic curves indicated that the 0.25 × MIC combination had equivalent bactericidal effects to 1 × MIC thanatin or BF-15a3. When AMP combinations were used to treat eukaryotic cells to evaluate the hemolytic characteristics against rabbit erythrocytes and cytotoxicity against human embryonic kidney 293T (HEK-293T) cells and intestinal porcine enterocyte J2 (IPEC-J2) cells, no magnified adverse effects were observed, exhibiting higher specificity to bacteria and lower toxicity to eukaryotic cells. Compared with bacteriostasis of thanatin or BF-15a3 alone, the proportion of membrane-damaged bacteria treated with the synergetic combination did not appear a significant rise, interestingly the Zeta potential of them greatly decreased and their cell membrane permeability significantly increased. Besides, more release of ions and cytoplasm were detected, confirming a more severe loss of membrane integrity. These results suggested that the synergistic action mode of thanatin and BF-15a3 is likely attributed to damage aggravation to E. coli membrane. When applying in fresh-cut lettuce and cucumber, their combination allowed for 2.5 log CFU/piece reductions of E. coli O157:H7 in 24 h. In conclusion, the combination of thanatin and BF-15a3 showed excellent synthetic efficacy to kill E. coli O157:H7 in vitro under lower MICs than single use of them.
Collapse
|
9
|
Nanda N, S R, S H. Comparative Study of Effects of Endophytic Fungal Silver Nanoparticles and Nanoemulsion on Escherichia coli. Appl Biochem Biotechnol 2023:10.1007/s12010-023-04331-1. [PMID: 36689164 DOI: 10.1007/s12010-023-04331-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/10/2023] [Indexed: 01/24/2023]
Abstract
Green nanotechnology, a branch of nanotechnology, makes use of extract from plants or microorganisms to synthesize nanoparticles. This approach is eco-friendlier and more cost-effective than conventional methods of nanoparticle synthesis. Silver nanoparticles have interested researchers because several studies suggest that they have a wide range of applications in the field of medicine; it is known to serve as a good antimicrobial agent. This study concentrated on the synthesis of silver nanoparticles and nanoemulsion from the extract of an endophytic fungi-Lasiodiplodia theobromae. Nanoemulsion was prepared using an essential oil-tea tree oil from Melaleuca alternifolia (commonly known as tea tree). The nanoparticles were characterized using UV-visible spectra, SEM, FESEM, EDAX, XRD, and FTIR analysis. A comparative antimicrobial study was carried out between endophytic fungal extract-derived nanoparticles (EFNP) and nanoemulsion (EFNE) against two strains of Escherichia coli, through various experimental assays including Agar well diffusion method and assays that determined the minimum inhibitory concentration, minimum bactericidal concentration, and biofilm formation. From the results obtained, it was evident that both EFNP and EFNE had antibacterial activity and that the EFNE worked better than the former. This study suggested that EFNE was a good antibiotic alternative, and further in vivo studies must be done to check the efficacy.
Collapse
Affiliation(s)
- Namita Nanda
- School of Life Sciences, B.S. Abdur Rahman Crescent Institute of Science and Technology, Vandalur, Chennai, 600048, India
| | - Ranjani S
- School of Life Sciences, B.S. Abdur Rahman Crescent Institute of Science and Technology, Vandalur, Chennai, 600048, India
| | - Hemalatha S
- School of Life Sciences, B.S. Abdur Rahman Crescent Institute of Science and Technology, Vandalur, Chennai, 600048, India.
| |
Collapse
|
10
|
Recent Advances and Applications in Starch for Intelligent Active Food Packaging: A Review. Foods 2022; 11:foods11182879. [PMID: 36141005 PMCID: PMC9498516 DOI: 10.3390/foods11182879] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 09/10/2022] [Accepted: 09/11/2022] [Indexed: 12/22/2022] Open
Abstract
At present, the research and innovation of packaging materials are in a period of rapid development. Starch, a sustainable, low-cost, and abundant polymer, can develop environmentally friendly packaging alternatives, and it possesses outstanding degradability and reproducibility in terms of improving environmental issues and reducing oil resources. However, performance limitations, such as less mechanical strength and lower barrier properties, limit the application of starch in the packaging industry. The properties of starch-based films can be improved by modifying starch, adding reinforcing groups, or blending with other polymers. It is of significance to study starch as an active and intelligent packaging option for prolonging shelf life and monitoring the extent of food deterioration. This paper reviews the development of starch-based films, the current methods to enhance the mechanical and barrier properties of starch-based films, and the latest progress in starch-based activity, intelligent packaging, and food applications. The potential challenges and future development directions of starch-based films in the food industry are also discussed.
Collapse
|
11
|
Antibacterial, Antibiofilm, and Antioxidant Activity of 15 Different Plant-Based Natural Compounds in Comparison with Ciprofloxacin and Gentamicin. Antibiotics (Basel) 2022; 11:antibiotics11081099. [PMID: 36009966 PMCID: PMC9404727 DOI: 10.3390/antibiotics11081099] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 08/04/2022] [Accepted: 08/10/2022] [Indexed: 11/17/2022] Open
Abstract
Plant-based natural compounds (PBCs) are comparatively explored in this study to identify the most effective and safe antibacterial agent/s against six World Health Organization concern pathogens. Based on a contained systematic review, 11 of the most potent PBCs as antibacterial agents are included in this study. The antibacterial and antibiofilm efficacy of the included PBCs are compared with each other as well as common antibiotics (ciprofloxacin and gentamicin). The whole plants of two different strains of Cannabis sativa are extracted to compare the results with sourced ultrapure components. Out of 15 PBCs, tetrahydrocannabinol, cannabidiol, cinnamaldehyde, and carvacrol show promising antibacterial and antibiofilm efficacy. The most common antibacterial mechanisms are explored, and all of our selected PBCs utilize the same pathway for their antibacterial effects. They mostly target the bacterial cell membrane in the initial step rather than the other mechanisms. Reactive oxygen species production and targeting [Fe-S] centres in the respiratory enzymes are not found to be significant, which could be part of the explanation as to why they are not toxic to eukaryotic cells. Toxicity and antioxidant tests show that they are not only nontoxic but also have antioxidant properties in Caenorhabditis elegans as an animal model.
Collapse
|
12
|
Das S, Vishakha K, Banerjee S, Nag D, Ganguli A. Tetracycline-loaded magnesium oxide nanoparticles with a potential bactericidal action against multidrug-resistant bacteria: In vitro and in vivo evidence. Colloids Surf B Biointerfaces 2022; 217:112688. [PMID: 35841801 DOI: 10.1016/j.colsurfb.2022.112688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 06/08/2022] [Accepted: 07/02/2022] [Indexed: 10/17/2022]
Abstract
Worldwide, the emergence of diarrhoea-causing multi-drug resistant (MDR) bacteria has become a crucial problem in everyday life. Tetracycline (TC) is a bacteriostatic agent that has a wide spectrum of antibacterial activity. One potential strategy to enhance the penetration and antibacterial activity of antibiotics is the use of nanotechnology. In this context, this study dealt with the synthesis of TC loading in biocompatible magnesium oxide nanoparticles (MgONPs), its characterization, and the potency of killing against diarrhoea-causing MDR bacteria E. coli and S. flexneri. TC loaded- MgONPs (MgONPs-TC) were characterized by DLS, SEM-EDS, UV-vis spectroscopy, and FTIR techniques with adequate physical properties. Antibacterial and antibiofilm studies indicate that this nanoparticle successfully eradicated both planktonic and sessile forms of those bacteria. It also significantly reduced the production of bacterial EPS, different levels of antioxidant enzymes, and induced reactive oxygen species (ROS) in the bacterial cell as a mode of antibacterial action. In particular, MgONPs-TC were efficient in reducing the colonization of MDR E. coli and S. flexneri in the C. elegans model. Therefore, all these data suggest that MgONPs-TC are a highly promising approach to combating diseases associated with diarrhoea-causing MDR bacteria in the medical field with limited health care budgets.
Collapse
Affiliation(s)
- Shatabdi Das
- Department of Microbiology, Techno India University, EM-4 Sector-V, Salt Lake City, Kolkata, West Bengal 700091, India
| | - Kumari Vishakha
- Department of Microbiology, Techno India University, EM-4 Sector-V, Salt Lake City, Kolkata, West Bengal 700091, India
| | - Satarupa Banerjee
- Department of Microbiology, Techno India University, EM-4 Sector-V, Salt Lake City, Kolkata, West Bengal 700091, India
| | - Debasish Nag
- Department of Biotechnology, University of Calcutta, West Bengal, India
| | - Arnab Ganguli
- Department of Microbiology, Techno India University, EM-4 Sector-V, Salt Lake City, Kolkata, West Bengal 700091, India.
| |
Collapse
|
13
|
Tea (Camellia sinensis): A Review of Nutritional Composition, Potential Applications, and Omics Research. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12125874] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Tea (Camelliasinensis) is the world’s most widely consumed non-alcoholic beverage with essential economic and health benefits since it is an excellent source of polyphenols, catechins, amino acids, flavonoids, carotenoids, vitamins, and polysaccharides. The aim of this review is to summarize the main secondary metabolites in tea plants, and the content and distribution of these compounds in six different types of tea and different organs of tea plant were further investigated. The application of these secondary metabolites on food processing, cosmetics industry, and pharmaceutical industry was reviewed in this study. With the rapid advancements in biotechnology and sequencing technology, omics analyses, including genome, transcriptome, and metabolome, were widely used to detect the main secondary metabolites and their molecular regulatory mechanisms in tea plants. Numerous functional genes and regulatory factors have been discovered, studied, and applied to improve tea plants. Research advances, including secondary metabolites, applications, omics research, and functional gene mining, are comprehensively reviewed here. Further exploration and application trends are briefly described. This review provides a reference for basic and applied research on tea plants.
Collapse
|
14
|
Vishakha K, Das S, Das SK, Banerjee S, Ganguli A. Antibacterial, anti-biofilm, and anti-virulence potential of tea tree oil against leaf blight pathogen Xanthomonas oryzae pv. oryzae instigates disease suppression. Braz J Microbiol 2022; 53:19-32. [PMID: 35001350 PMCID: PMC8882498 DOI: 10.1007/s42770-021-00657-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Accepted: 10/21/2021] [Indexed: 01/12/2023] Open
Abstract
Bacterial leaf blight (BLB) disease, caused by Xanthomonas oryzae pv. oryzae (Xoo), causes major annual economic losses around the world. Inorganic copper compounds and antibiotics are conventionally used to control BLB disease. They often cause environmental pollution, contributing to adverse effects on human health. Therefore, research is now leading to the search for alternative control methods. Tea tree oil (TTO) is obtained from a traditional medicinal plant, Melaleuca alternifolia, with antibacterial properties. In this study, we found that TTO showed antibacterial activity against Xoo with a minimum inhibitory concentration (MIC) of 18 mg/ml. These antagonistic activities were not limited only to planktonic cells, as further studies have shown that TTO effectively eradicated sessile cells of Xoo in both initial and mature biofilms. Furthermore, it was also observed that TTO reduced various key virulence properties of Xoo, such as swimming, swarming motility, and the production of extracellular polymeric substances, xanthomonadin, and exoenzymes. TTO triggered ROS generation with cell membrane damage as an antibacterial mode of action against Xoo. The in silico study revealed that 1,8-cineole of TTO was effectively bound to two essential proteins, phosphoglucomutase and peptide deformylase, responsible for the synthesis of EPS and bacterial survival, respectively. These antibacterial and anti-virulence activities of TTO against Xoo were further confirmed by an ex vivo virulence assay where TTO significantly reduced the lesion length caused by Xoo on rice leaves. All these data concluded that TTO could be a safe, environment-friendly alternative approach for the comprehensive management of BLB disease.
Collapse
Affiliation(s)
- Kumari Vishakha
- Department of Microbiology, Techno India University, West Bengal EM-4 Sector V, Kolkata, West Bengal, 700091, India
| | - Shatabdi Das
- Department of Microbiology, Techno India University, West Bengal EM-4 Sector V, Kolkata, West Bengal, 700091, India
| | - Sudip Kumar Das
- Department of Microbiology, Techno India University, West Bengal EM-4 Sector V, Kolkata, West Bengal, 700091, India
| | - Satarupa Banerjee
- Department of Microbiology, Techno India University, West Bengal EM-4 Sector V, Kolkata, West Bengal, 700091, India
| | - Arnab Ganguli
- Department of Microbiology, Techno India University, West Bengal EM-4 Sector V, Kolkata, West Bengal, 700091, India.
| |
Collapse
|
15
|
Das S, Vishakha K, Banerjee S, Nag D, Ganguli A. Exploring the antibacterial, antibiofilm, and antivirulence activities of tea tree oil-containing nanoemulsion against carbapenem-resistant Serratia marcescens associated infections. BIOFOULING 2022; 38:100-117. [PMID: 35012385 DOI: 10.1080/08927014.2021.2022125] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 12/15/2021] [Accepted: 12/16/2021] [Indexed: 06/14/2023]
Abstract
Carbapenem-resistant Serratia marcescens (CRE-S. marcescens) has recently emerged as an opportunistic human pathogen that causes various nosocomial and respiratory tract infections. The prognosis for CRE-S. marcescens-related infections is very poor and these infections are difficult to treat. This study investigated the synthesis of tea tree oil nanoemulsion (TTO-NE) and its impact on CRE-S. marcescens both in vitro and in vivo. TTO-NE was characterized by dynamic light scattering (DLS) and effectively eradicated bacterial planktonic and sessile forms, reduced bacterial virulence factors, and generated reactive oxygen species (ROS) in the bacterial cell. Notably, TTO-NE was efficient in reducing the colonization of CRE-S. marcescens in a C. elegans in vivo model. The data suggest that TTO-NE might be an excellent tool to combat infections associated with CRE-S. marcescens.
Collapse
Affiliation(s)
- Shatabdi Das
- Department of Microbiology, Techno India University, Kolkata, West Bengal, India
| | - Kumari Vishakha
- Department of Microbiology, Techno India University, Kolkata, West Bengal, India
| | - Satarupa Banerjee
- Department of Microbiology, Techno India University, Kolkata, West Bengal, India
| | - Debasish Nag
- Department of Biotechnology, University of Calcutta, Kolkata, West Bengal, India
| | - Arnab Ganguli
- Department of Microbiology, Techno India University, Kolkata, West Bengal, India
| |
Collapse
|
16
|
Perumal AB, Huang L, Nambiar RB, He Y, Li X, Sellamuthu PS. Application of essential oils in packaging films for the preservation of fruits and vegetables: A review. Food Chem 2021; 375:131810. [PMID: 34959137 DOI: 10.1016/j.foodchem.2021.131810] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 10/16/2021] [Accepted: 12/04/2021] [Indexed: 01/10/2023]
Abstract
Fruits and vegetables are highly perishable in nature. Several factors could affect the quality and shelf life of fruits and vegetables. Packaging materials (usually made up of polymers, proteins, lipids, polysaccharides, etc.,) are incorporated with essential oil (EO) which is high in antimicrobial and antioxidant compounds that can enhance the shelf life of fruits and vegetables without affecting their quality. However, the use of EO for postharvest preservation can alter the organoleptic properties of fresh produce. Exploiting synergistic interactions between several EOs, encapsulation of EO, or combining EO with non-thermal techniques such as irradiation, UV-C, cold plasma, ultrasound, etc., may help in preventing the spoilage of food products at lower concentrations without altering their organoleptic properties. This review aims to discuss the overview and current scenario of packaging film with EO for the preservation of fruit and vegetables. We have also discussed the spoilage mechanism of fruits and vegetables, mode of action of EOs, and the effect of EO with packaging film on antimicrobial and sensory properties of fruits and vegetables.
Collapse
Affiliation(s)
- Anand Babu Perumal
- College of Biosystems Engineering and Food Science, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China.
| | - Lingxia Huang
- College of Animal Science, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China.
| | - Reshma B Nambiar
- College of Animal Science, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China.
| | - Yong He
- College of Biosystems Engineering and Food Science, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China.
| | - Xiaoli Li
- College of Biosystems Engineering and Food Science, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China.
| | - Periyar Selvam Sellamuthu
- Department of Food Process Engineering, Postharvest Research Lab, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur 603203, Chengalpattu District, Tamilnadu, India.
| |
Collapse
|
17
|
Zhan J, Chen H, Zhou H, Hao L, Xu H, Zhou X. Essential oil-loaded chitosan/zinc (II) montmorillonite synergistic sustained-release system as antibacterial material. J DISPER SCI TECHNOL 2021. [DOI: 10.1080/01932691.2021.1947848] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Jinghui Zhan
- Key Laboratory of Agricultural Green Fine Chemicals of Guangdong Higher Education Institution, School of Chemistry and Chemical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, PR China
| | - Huayao Chen
- Key Laboratory of Agricultural Green Fine Chemicals of Guangdong Higher Education Institution, School of Chemistry and Chemical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, PR China
- Innovative Institute for Plant Health, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, PR China
| | - Hongjun Zhou
- Key Laboratory of Agricultural Green Fine Chemicals of Guangdong Higher Education Institution, School of Chemistry and Chemical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, PR China
- Innovative Institute for Plant Health, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, PR China
| | - Li Hao
- Key Laboratory of Agricultural Green Fine Chemicals of Guangdong Higher Education Institution, School of Chemistry and Chemical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, PR China
- Innovative Institute for Plant Health, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, PR China
| | - Hua Xu
- Key Laboratory of Agricultural Green Fine Chemicals of Guangdong Higher Education Institution, School of Chemistry and Chemical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, PR China
- Innovative Institute for Plant Health, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, PR China
| | - Xinhua Zhou
- Key Laboratory of Agricultural Green Fine Chemicals of Guangdong Higher Education Institution, School of Chemistry and Chemical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, PR China
- Maoming Branch, Guangdong Laboratory for Lingnan Modern Agriculture
| |
Collapse
|
18
|
Wei S, Zhao X, Yu J, Yin S, Liu M, Bo R, Li J. Characterization of tea tree oil nanoemulsion and its acute and subchronic toxicity. Regul Toxicol Pharmacol 2021; 124:104999. [PMID: 34242706 DOI: 10.1016/j.yrtph.2021.104999] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Revised: 06/20/2021] [Accepted: 07/02/2021] [Indexed: 10/20/2022]
Abstract
Tea tree oil (TTO) is a popular topical use to treat skin infections. However, its poor aqueous solubility and stability have substantially limited its widespread application, including oral administration that might be therapeutic for enteric infections. In this study, mechanical ultrasonic methods were used to prepare TTO nanoemulsion (nanoTTO) with a mean droplet diameter of 161.80 nm ± 3.97, polydispersity index of 0.21 ± 0.01, and zeta potential of -12.33 ± 0.72 mV. The potential toxicity of nanoTTO was assessed by studying the oral median lethal dose (LD50) and repeated 28-day oral toxicity to provide a reference for in vivo application. Results showed that nanoTTO had no phase separation under a centrifugation test and displayed good stability during storage at -20, 4 and 25 °C over 60 days. Repeated-dose 28-day oral toxicity evaluation revealed no significant effects on growth and behavior. Assessments of hematology, clinical biochemistry, and histopathology indicated no obvious adverse effects in mice at 50, 100 and 200 mg/mL. These data suggest that nanoTTO can be considered a potential antimicrobial agent by oral administration due to its inhibitory effect on bacteria and relatively lower toxicity.
Collapse
Affiliation(s)
- SiMin Wei
- School of Veterinary Medicine, Yangzhou University, Yangzhou, 225009, PR China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, 225009, PR China; Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu, 225009, China; Postgraduate Research &Practice Innovation Program of Jiangsu Province, China
| | - Xin Zhao
- School of Veterinary Medicine, Yangzhou University, Yangzhou, 225009, PR China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, 225009, PR China
| | - Jie Yu
- The Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, 225009, PR China
| | - ShaoJie Yin
- School of Veterinary Medicine, Yangzhou University, Yangzhou, 225009, PR China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, 225009, PR China
| | - MingJiang Liu
- School of Veterinary Medicine, Yangzhou University, Yangzhou, 225009, PR China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, 225009, PR China
| | - RuoNan Bo
- School of Veterinary Medicine, Yangzhou University, Yangzhou, 225009, PR China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, 225009, PR China
| | - JinGui Li
- School of Veterinary Medicine, Yangzhou University, Yangzhou, 225009, PR China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, 225009, PR China; Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu, 225009, China.
| |
Collapse
|
19
|
Inactivation of Staphylococcus aureus using ultrasound in combination with thyme essential oil nanoemulsions and its synergistic mechanism. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2021.111574] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
|
20
|
Chen Q, Tai X, Li J, Li C, Guo L. High internal phase emulsions solely stabilized by natural oil-based nonionic surfactants as tea tree oil transporter. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.126320] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
|
21
|
Qiu S, Gao F, Liang Z, Zhong X, Hao L, Chen H, Zhou X, Zhou H. Rosin modified aminated mesoporous silica adsorbed tea tree oil sustained-release system for improve synergistic antibacterial and long-term antibacterial effects. NANOTECHNOLOGY 2021; 32:275707. [PMID: 33770766 DOI: 10.1088/1361-6528/abf26c] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Accepted: 03/25/2021] [Indexed: 06/12/2023]
Abstract
Tea tree oil, a natural antibacterial compound, cannot be used effectively because of its volatile nature. In this work, a biocompatible carrier was prepared and loaded with tea tree essential oil. The carrier was prepared via the electrostatic or chemical action of aminated mesoporous silica and sodium rosin for achieving a low volatilization rate of tea tree essential oil. A synergistic antibacterial effect was observed between sodium rosin and tea tree essential oil. This method utilized the positive charge of the amino group and the condensation reaction with the carboxyl group to achieve physical and chemical interactions with sodium rosin. Fourier Transform Infrared, Brunauer-Emmet-Teller, Zeta potential, SEM, TEM, and TG were performed to characterize the structure and properties of the samples. Compared to the electrostatic effect, the chemically modified system exhibited a longer sustained release, and the sustained release curve followed the Korsmeyer-Peppas release model. Also, the antibacterial properties of the chemically modified system exhibited better minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) respectively, the MIC and MBC forE. coliwere 0.3 mg ml-1and 0.6 mg ml-1respectively, forS. aureuswere 0.15 mg ml-1and 0.3 mg ml-1respectively. More strikingly, the sample also demonstrated long-term antibacterial performance. Therefore, this work provides a new way for the delivery of volatile antibacterial drugs to achieve sustained-release and long-lasting antibacterial effects.
Collapse
Affiliation(s)
- Songfa Qiu
- Key Laboratory of Agricultural Green Fine Chemicals of Guangdong Higher Education Institution, School of Chemistry and Chemical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou, People's Republic of China
| | - Fan Gao
- Key Laboratory of Agricultural Green Fine Chemicals of Guangdong Higher Education Institution, School of Chemistry and Chemical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou, People's Republic of China
| | - Zhijun Liang
- Key Laboratory of Agricultural Green Fine Chemicals of Guangdong Higher Education Institution, School of Chemistry and Chemical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou, People's Republic of China
| | - Ximing Zhong
- Key Laboratory of Agricultural Green Fine Chemicals of Guangdong Higher Education Institution, School of Chemistry and Chemical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou, People's Republic of China
| | - Li Hao
- Key Laboratory of Agricultural Green Fine Chemicals of Guangdong Higher Education Institution, School of Chemistry and Chemical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou, People's Republic of China
- Innovative Institute for Plant Health, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, 510225, People's Republic of China
| | - Huayao Chen
- Key Laboratory of Agricultural Green Fine Chemicals of Guangdong Higher Education Institution, School of Chemistry and Chemical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou, People's Republic of China
| | - Xinhua Zhou
- Key Laboratory of Agricultural Green Fine Chemicals of Guangdong Higher Education Institution, School of Chemistry and Chemical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou, People's Republic of China
- Maoming Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Maoming, Guangdong, 525000, People's Republic of China
| | - Hongjun Zhou
- Key Laboratory of Agricultural Green Fine Chemicals of Guangdong Higher Education Institution, School of Chemistry and Chemical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou, People's Republic of China
- Innovative Institute for Plant Health, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, 510225, People's Republic of China
| |
Collapse
|
22
|
Chen Q, Tai X, Li J, Li C, Guo L. High Internal Phase Emulsions Synergistically Stabilized by Sodium Carboxymethyl Cellulose and Palm Kernel Oil Ethoxylates as an Essential Oil Delivery System. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:4191-4203. [PMID: 33787238 DOI: 10.1021/acs.jafc.0c07606] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
High internal phase emulsions (HIPEs) with an internal phase fraction of 84 vol % were prepared using carboxymethyl cellulose (CMC) and palm kernel oil ethoxylates (SOE-N-60) as a dual emulsifier. Effects of the oil-phase volume fraction, CMC concentration, and SOE-N-60 concentration on oil-in-water HIPEs stability were systematically studied by a Mastersizer 2000 instrument, Lx POL polarizing microscope, rheometer, etc. The bioavailability of tea tree oil can be effectively protected using HIPEs as a delivery system. The experimental results showed that, with the increase of the concentrations of CMC and SOE-N-60, the droplet size of HIPEs gradually decreases and the HIPEs showed good static stability. In addition, it was observed by scanning electron microscopy that the polyHIPEs materials using HIPEs stabilized by different SOE-N-60 and CMC concentrations as templates had different structures. Moreover, the synergism between CMC and SOE-N-60 surfactants plays a significant role in the preparation and stability of HIPEs.
Collapse
Affiliation(s)
- Qian Chen
- China Research Institute of Daily Chemistry Company, Limited, 34 Wenyuan Street, Taiyuan, Shanxi 030001, People's Republic of China
| | - Xiumei Tai
- China Research Institute of Daily Chemistry Company, Limited, 34 Wenyuan Street, Taiyuan, Shanxi 030001, People's Republic of China
| | - Jiyun Li
- China Research Institute of Daily Chemistry Company, Limited, 34 Wenyuan Street, Taiyuan, Shanxi 030001, People's Republic of China
| | - Chunhui Li
- China Research Institute of Daily Chemistry Company, Limited, 34 Wenyuan Street, Taiyuan, Shanxi 030001, People's Republic of China
| | - Lingxiao Guo
- China Research Institute of Daily Chemistry Company, Limited, 34 Wenyuan Street, Taiyuan, Shanxi 030001, People's Republic of China
| |
Collapse
|
23
|
Natural Plant-Derived Chemical Compounds as Listeria monocytogenes Inhibitors In Vitro and in Food Model Systems. Pathogens 2020; 10:pathogens10010012. [PMID: 33375619 PMCID: PMC7823385 DOI: 10.3390/pathogens10010012] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 12/07/2020] [Accepted: 12/22/2020] [Indexed: 01/08/2023] Open
Abstract
Listeria monocytogenes is a foodborne pathogen, sporadically present in various food product groups. An illness caused by the pathogen, named listeriosis, has high fatality rates. Even though L. monocytogenes is resistant to many environmental factors, e.g., low temperatures, low pH and high salinity, it is susceptible to various natural plant-derived antimicrobials (NPDA), including thymol, carvacrol, eugenol, trans-cinnamaldehyde, carvone S, linalool, citral, (E)-2-hexenal and many others. This review focuses on identifying NPDAs active against L. monocytogenes and their mechanisms of action against the pathogen, as well as on studies that showed antimicrobial action of the compounds against the pathogen in food model systems. Synergistic action of NDPA with other factors, biofilm inhibition and alternative delivery systems (encapsulation and active films) of the compounds tested against L. monocytogenes are also summarized briefly.
Collapse
|
24
|
Gao W, Jiang L, Wan Z, Zeng XA. Antibacterial and probiotic promotion potential of a new soluble soybean polysaccharide‑iron(III) complex. Int J Biol Macromol 2020; 163:2306-2313. [PMID: 32941899 DOI: 10.1016/j.ijbiomac.2020.09.063] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 08/27/2020] [Accepted: 09/10/2020] [Indexed: 10/23/2022]
Abstract
In this study soluble soybean polysaccharide‑iron(III) (SSPS-Fe(III)) was synthesized to investigate the effects on the growth of Escherichia coli, Staphylococcus aureus and Bacillus licheniformis. Two new detection methods of real-time fluorescence quantitative polymerase chain reaction (qRT-PCR) and microcalorimetry were used to evaluate the effects of different concentrations of SSPS-Fe(III) on the growth of three bacteria. The copy numbers of three bacteria showed that SSPS-Fe(III) had different impacts on the growth of E. coli, S. aureus and B. licheniformis. E. coli growth was inhibited by SSPS-Fe(III) in the higher concentration range and S. aureus growth was inhibited at any concentration, however B. licheniformis growth was promoted. The thermogenic curves for growth metabolism of E. coli and S. aureus presented peak shapes while those of B. licheniformis did platform shapes. As SSPS-Fe(III) concentration increased, the peak heights lowered for E. coli and S. aureus, and the time reaching stationary phase advanced for B. licheniformis. These findings demonstrate that SSPS-Fe(III) has an inhibitory effect on the foodborne pathogens of E. coli and S. aureus, and an enhancement on the probiotics of B. licheniformis.
Collapse
Affiliation(s)
- Wenhong Gao
- School of Food Science and Engineering, South China University of Technology, Overseas Expertise Introduction Center for Discipline Innovation of Food Nutrition and Human Health (111 Center), Guangzhou 510641, China.
| | - Liyuan Jiang
- School of Food Science and Engineering, South China University of Technology, Overseas Expertise Introduction Center for Discipline Innovation of Food Nutrition and Human Health (111 Center), Guangzhou 510641, China
| | | | - Xin-An Zeng
- School of Food Science and Engineering, South China University of Technology, Overseas Expertise Introduction Center for Discipline Innovation of Food Nutrition and Human Health (111 Center), Guangzhou 510641, China.
| |
Collapse
|
25
|
Yang S, Dong Y, Aweya JJ, Xie T, Zeng B, Zhang Y, Liu GM. Antimicrobial activity and acting mechanism of Tegillarca granosa hemoglobin-derived peptide (TGH1) against Vibrio parahaemolyticus. Microb Pathog 2020; 147:104302. [DOI: 10.1016/j.micpath.2020.104302] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 05/27/2020] [Accepted: 05/29/2020] [Indexed: 01/12/2023]
|
26
|
Song YM, Zhou HY, Wu Y, Wang J, Liu Q, Mei YF. In Vitro Evaluation of the Antibacterial Properties of Tea Tree Oil on Planktonic and Biofilm-Forming Streptococcus mutans. AAPS PharmSciTech 2020; 21:227. [PMID: 32767025 DOI: 10.1208/s12249-020-01753-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Accepted: 07/09/2020] [Indexed: 02/06/2023] Open
Abstract
Streptococcus mutans (S. mutans) is the principal etiologic agent in the occurrence of human dental caries and the formation of biofilms on the surface of teeth. Tea tree oil (TTO) has been demonstrated to exhibit a wide range of pharmacological actions that can effectively inhibit the activity of bacteria. In this context, we evaluated the in vitro antimicrobial effects of TTO on S. mutans both during planktonic growth and in biofilms compared with 0.2% CHX. We determined the minimal inhibitory concentration (MIC) and minimal bactericidal concentration (MBC) using the microdilution method, the bacteriostatic rate using an MTT assay, and the antimicrobial time using a time-kill assay. Then, we explored the effects of TTO on acid production and cell integrity. Furthermore, the effects of TTO on the biomass and bacterial activity of S. mutans biofilms were studied. Finally, scanning electron microscopy (SEM) and confocal laser scanning microscopy (CLSM) were used to investigate the structure and activity of biofilms. The MIC and MBC values were 0.125% and 0.25%, and the bacterial inhibition rate was concentration dependent. TTO can effectively inhibit bacterial acid production and destroy the integrity of the cell membrane. Electron micrographs revealed a reduction in bacterial aggregation, inhibited biofilm formation, and reduced biofilm thickness. The effect of TTO was the same as that of 0.2% CHX at a specific concentration. In summary, we suggest that TTO is a potential anticariogenic agent that can be used against S. mutans.
Collapse
|
27
|
Benali T, Habbadi K, Khabbach A, Marmouzi I, Zengin G, Bouyahya A, Chamkhi I, Chtibi H, Aanniz T, Achbani EH, Hammani K. GC-MS Analysis, Antioxidant and Antimicrobial Activities of Achillea Odorata Subsp. Pectinata and Ruta Montana Essential Oils and Their Potential Use as Food Preservatives. Foods 2020; 9:foods9050668. [PMID: 32455872 PMCID: PMC7278837 DOI: 10.3390/foods9050668] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 05/13/2020] [Accepted: 05/20/2020] [Indexed: 12/16/2022] Open
Abstract
In order to discover new natural resources with biological properties, the chemical composition, the antioxidant and antimicrobial activities, and the potential use as food preservative of essential oils of Moroccan Achillea odorata subsp. pectinata (AOpEO) and Ruta montana (RMEO) were studied. Gas chromatography-mass spectrometry (GC-MS) analysis revealed the presence of 21 and 25 compounds in AOpEO and RMEO, respectively. The results showed that the major compounds of AOpEO are camphor (45.01%), bornyl acetate (15.07%), borneol (11.33%), β-eudesmol (4.74%), camphene (3.58%), and 1.8-cineole (eucalyptol) (2.96%), whereas 2-undecanone (63.97%), camphor (3.82%) and cyclopropanecarboxylic acid (3.66%) were the main components of RMEO. The antioxidant activities were evaluated by diphenylpicrylhydraziyl radical (DPPH) and reducing power assays. The antimicrobial activities of essential oils were tested against bacterial strains and food contaminant yeast using agar disc diffusion and microdilution methods. A significant antimicrobial activity of AOpEO was observed against Bacillus subtilis, Proteus mirabilis and Candida albicans, compared to RMEO. The efficacy of AOpEO was also evaluated in model food systems (cabbage and barley) artificially inoculated during storage. The results found that the adding of a minimal inhibitory concentration (MIC) and 4× MIC were potent in decreasing the Proteus mirabilis growth in food model systems. Our findings suggested that AOpEO may be potentially used as an alternative food preservative.
Collapse
Affiliation(s)
- Taoufiq Benali
- Laboratory of Natural Resources and Environment, Polydisciplinary Faculty of Taza, Sidi Mohamed Ben Abdellah University of Fez, B.P. 1223 Taza-Gare, Taza, Morocco; (H.C.); (K.H.)
- Correspondence: ; Tel.: +212-660-719-519
| | - Khaoula Habbadi
- Laboratoire de recherche et de protection des plantes URPP-INRA-Meknès, 50000 Meknès, Morocco; (K.H.); (E.H.A.)
| | - Abdelmajid Khabbach
- Laboratory of materials, natural substances, Environment and Modeling (LMSNEM), Polydisciplinary Faculty of Taza, Sidi Mohamed Ben Abdellah University of Fez, B.P. 1223 Taza-Gare, Taza, Morocco;
| | - Ilias Marmouzi
- Laboratory of de Pharmacology et Toxicology, Faculty of Medicine and Pharmacy, University Mohammed V in Rabat, BP 6203, Rabat Instituts, Rabat, 6203 Rabat, Morocco;
| | - Gokhan Zengin
- Biochemistry and Physiology Laboratory, Faculty of Science, Department of Biology, Selcuk University, 42130 Konya, Turkey;
| | - Abdelhakim Bouyahya
- Laboratory of Human Pathologies Biology, Faculty of Sciences, and Genomic Center of Human Pathologies, Faculty of Medicine and Pharmacy, Department of Biology, Mohammed V University in Rabat, 1014 Rabat, Morocco;
| | - Imane Chamkhi
- Microbiology and Molecular Biology Team, Center of Plant and Microbial Biotechnology, Biodiversity and Environment, Faculty of Sciences, Mohammed V University, Rabat, 1014 Rabat, Morocco;
| | - Houda Chtibi
- Laboratory of Natural Resources and Environment, Polydisciplinary Faculty of Taza, Sidi Mohamed Ben Abdellah University of Fez, B.P. 1223 Taza-Gare, Taza, Morocco; (H.C.); (K.H.)
| | - Tarik Aanniz
- Medical Biotechnology Laboratory (MedBiotech), Rabat Medical & Pharmacy School, Mohammed V University in Rabat, 6203 Rabat, Morocco;
| | - El Hassan Achbani
- Laboratoire de recherche et de protection des plantes URPP-INRA-Meknès, 50000 Meknès, Morocco; (K.H.); (E.H.A.)
| | - Khalil Hammani
- Laboratory of Natural Resources and Environment, Polydisciplinary Faculty of Taza, Sidi Mohamed Ben Abdellah University of Fez, B.P. 1223 Taza-Gare, Taza, Morocco; (H.C.); (K.H.)
| |
Collapse
|
28
|
Wang R, Zhai S, Liang Y, Teng L, Wang D, Zhang G. Antibacterial effects of a polypeptide-enriched extract of Rana chensinensis via the regulation of energy metabolism. Mol Biol Rep 2020; 47:4477-4483. [PMID: 32415505 DOI: 10.1007/s11033-020-05508-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Accepted: 05/08/2020] [Indexed: 01/27/2023]
Abstract
The improper usage of antibiotics is known to cause widespread antibiotic resistance. In this study, the antibacterial effects of a polypeptide-enriched extract from the skin of the amphibian Rana chensinensis (RCP) were evaluated against the Gram-negative bacteria Escherichia coli and Pseudomonas aeruginosa, the Gram-positive bacterium Staphylococcus aureus and the fungus Candida albicans. The mechanisms underlying these effects were also studied, and the minimum inhibitory concentration of RCP was determined for each species. Analyses of the levels of adenosine triphosphates (ATPases), including Na+/K+-ATPase and Ca2+-ATPase, and scanning electron microscopy confirmed that RCP damaged the microbial cell walls and membranes. RCP perturbed microbial metabolism and particularly affected the tricarboxylic acid cycle (TCA), suggesting that this agent downregulated the levels of succinate dehydrogenase, malate dehydrogenase and ATPase activity in cells. Furthermore, RCP caused the leakage of genetic material from all four microbial strains. In conclusion, RCP effectively inhibited the growth of Gram-negative and Gram-positive bacteria and a fungal species by disrupting energy metabolic processes.
Collapse
Affiliation(s)
- Ruochen Wang
- School of Life Sciences, Jilin University, Qianjin Street 2699, Changchun, 130012, Jilin Province, People's Republic of China
| | - Siyu Zhai
- School of Life Sciences, Jilin University, Qianjin Street 2699, Changchun, 130012, Jilin Province, People's Republic of China
| | - Yongtao Liang
- School of Life Sciences, Jilin University, Qianjin Street 2699, Changchun, 130012, Jilin Province, People's Republic of China
| | - Lirong Teng
- School of Life Sciences, Jilin University, Qianjin Street 2699, Changchun, 130012, Jilin Province, People's Republic of China
| | - Di Wang
- School of Life Sciences, Jilin University, Qianjin Street 2699, Changchun, 130012, Jilin Province, People's Republic of China.
| | - Guirong Zhang
- School of Life Sciences, Jilin University, Qianjin Street 2699, Changchun, 130012, Jilin Province, People's Republic of China.
| |
Collapse
|
29
|
Gao F, Zhou H, Shen Z, Zhu G, Hao L, Chen H, Xu H, Zhou X. Long-lasting anti-bacterial activity and bacteriostatic mechanism of tea tree oil adsorbed on the amino-functionalized mesoporous silica-coated by PAA. Colloids Surf B Biointerfaces 2020; 188:110784. [DOI: 10.1016/j.colsurfb.2020.110784] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Revised: 12/10/2019] [Accepted: 01/08/2020] [Indexed: 12/19/2022]
|
30
|
da Silva GC, de Veras BO, de Assis CRD, Navarro DMDAF, Diniz DLV, Brayner Dos Santos FA, de Aguiar JCRDOF, da Silva MV, Dos Santos Correia MT. Chemical composition, antimicrobial activity and synergistic effects with conventional antibiotics under clinical isolates by essential oil of Hymenaea rubriflora Ducke (FABACEAE). Nat Prod Res 2020; 35:4828-4832. [PMID: 32081039 DOI: 10.1080/14786419.2020.1729150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
This work aimed to investigate the chemical composition, antimicrobial activity, synergistic effect, and structure changes of the essential oil of Hymenaea rubriflora (EOHr). Forty-five constituents were identified in the essential oil, corresponding to 94.43% of the compounds present, being the main components E-Caryophyllene (36.72 ± 1.05%), Germacrene D (16.13 ± 0.31%), α-Humulene (6.06 ± 0.16%), β-elemene (5.61 ± 0.14%) and δ-Cadinene (3.76 ± 0.07%). Antimicrobial activity was evaluated, presenting antibacterial and antifungal activity with MIC ranging from 0.62 to 40 μL/mL. The essential oil had a synergistic effect when combined with gentamicin and fluconazole. Structural changes were also evaluated and it was possible to observe that EOHr action was related to changes in membrane permeability. The findings obtained here suggest that the use of the essential oil of H. rubriflora in the treatment of infectious diseases presents a potential for the future development of pharmaceutical products.
Collapse
Affiliation(s)
- Graziela Claudia da Silva
- Department of Biochemistry, Laboratory of Natural Products, Federal University of Pernambuco, Recife, Pernambuco, Brazil
| | - Bruno Oliveira de Veras
- Department of Biochemistry, Laboratory of Natural Products, Federal University of Pernambuco, Recife, Pernambuco, Brazil.,Post-graduation in Tropical Medicine, Laboratory of Microbiology, Federal University of Pernambuco, Recife, Pernambuco, Brazil
| | - Caio Rodrigo Dias de Assis
- Department of Biochemistry, Laboratory of Natural Products, Federal University of Pernambuco, Recife, Pernambuco, Brazil
| | | | - Dyana Leal Veras Diniz
- Department of Parasitology, Aggeu Magalhaes Research Institute/CPqAM-FIOCRUZ, Recife, Pernambuco, Brazil.,Electronic Microscopy Sector of the Laboratory of Immunopathology Keizo Asami, Federal University of Pernambuco - LIKA, UFPE, Recife, Pernambuco, Brazil
| | - Fábio André Brayner Dos Santos
- Department of Parasitology, Aggeu Magalhaes Research Institute/CPqAM-FIOCRUZ, Recife, Pernambuco, Brazil.,Electronic Microscopy Sector of the Laboratory of Immunopathology Keizo Asami, Federal University of Pernambuco - LIKA, UFPE, Recife, Pernambuco, Brazil
| | | | - Márcia Vanusa da Silva
- Department of Biochemistry, Laboratory of Natural Products, Federal University of Pernambuco, Recife, Pernambuco, Brazil
| | | |
Collapse
|
31
|
Elmi A, Prosperi A, Zannoni A, Bertocchi M, Scorpio DG, Forni M, Foni E, Bacci ML, Ventrella D. Antimicrobial capabilities of non-spermicidal concentrations of tea tree (Melaleuca alternifolia) and rosemary (Rosmarinus officinalis) essential oils on the liquid phase of refrigerated swine seminal doses. Res Vet Sci 2019; 127:76-81. [PMID: 31678456 DOI: 10.1016/j.rvsc.2019.10.014] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Revised: 10/11/2019] [Accepted: 10/21/2019] [Indexed: 12/15/2022]
Abstract
Antimicrobial resistance is increasing within the porcine industry with consequential high impact on human health, leading to a need for new antimicrobials. Lately, the scientific community has turned its interest towards natural compounds, and different essential oils have been tested on spermatozoa for preliminary assessment of toxicity before considering them as good substitutes for standard antibiotics. The aim of the present work was to investigate the potential antimicrobial effect of Melaleuca alternifolia and Rosmarinus officinalis essential oils, already evaluated for toxicity, on swine artificial insemination doses deprived of spermatozoa and stored at 16 °C for 5 days. This was accomplished by setting up an in vitro model with a standardized quantity of E. coli. Essential oils, previously chemo-characterized by means of gas chromatography, were tested at 0.2 and 0.4 mg/ml. Analyses, performed at 24 and 120 h, included optical density evaluation, bacterial DNA quantification by qPCR, and colony count. The results demonstrate that both Melaleuca alternifolia and Rosmarinus officinalis essential oils, at a concentration of 0.4 mg/ml, are capable of delivering similar effects to ampicillin, used as control, on the experimental samples. At the lower concentration, M. alternifolia essential oil seemed more effective when compared to R. officinalis. Overall, these findings strengthen the hypothesis of the potential use of phyto-complexes as antimicrobial agents for reproductive biotechnologies.
Collapse
Affiliation(s)
- Alberto Elmi
- Department of Veterinary Medical Sciences, University of Bologna, via Tolara di Sopra 50, 40064 Ozzano dell'Emilia (BO), Italy
| | - Alice Prosperi
- Section of Parma, Istituto Zooprofilattico Sperimentale della Lombardia dell'Emilia-Romagna, Via dei Mercati 13/A, 43126 Parma, Italy
| | - Augusta Zannoni
- Department of Veterinary Medical Sciences, University of Bologna, via Tolara di Sopra 50, 40064 Ozzano dell'Emilia (BO), Italy
| | - Martina Bertocchi
- Department of Veterinary Medical Sciences, University of Bologna, via Tolara di Sopra 50, 40064 Ozzano dell'Emilia (BO), Italy
| | - Diana G Scorpio
- Department of Veterinary Medical Sciences, University of Bologna, via Tolara di Sopra 50, 40064 Ozzano dell'Emilia (BO), Italy; Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, United States of America
| | - Monica Forni
- Department of Veterinary Medical Sciences, University of Bologna, via Tolara di Sopra 50, 40064 Ozzano dell'Emilia (BO), Italy
| | - Emanuela Foni
- Section of Parma, Istituto Zooprofilattico Sperimentale della Lombardia dell'Emilia-Romagna, Via dei Mercati 13/A, 43126 Parma, Italy
| | - Maria Laura Bacci
- Department of Veterinary Medical Sciences, University of Bologna, via Tolara di Sopra 50, 40064 Ozzano dell'Emilia (BO), Italy.
| | - Domenico Ventrella
- Department of Veterinary Medical Sciences, University of Bologna, via Tolara di Sopra 50, 40064 Ozzano dell'Emilia (BO), Italy
| |
Collapse
|
32
|
Alizadeh Behbahani B, Noshad M, Falah F. Cumin essential oil: Phytochemical analysis, antimicrobial activity and investigation of its mechanism of action through scanning electron microscopy. Microb Pathog 2019; 136:103716. [PMID: 31494297 DOI: 10.1016/j.micpath.2019.103716] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2019] [Revised: 09/01/2019] [Accepted: 09/04/2019] [Indexed: 12/24/2022]
Abstract
In this study, the antimicrobial effects of cumin essential oil (CEO) and its mechanism of action through scanning electron microscopy (SEM) against Escherichia coli and Listeria innocua were investigated. The SEM images were taken at 0, 12 and 24 h at the minimum inhibitory concentration (MIC). The chemical composition of CEO was identified through gas chromatography/mass spectrometry (GC-MS). The antimicrobial effects of CEO were evaluated by the methods of Kirby-Bauer, well diffusion agar, microdilution broth and minimum bactericidal/fungicidal concentration (MBC/MFC). Antioxidant activity was examined by the methods of β-carotene/linoleic acid inhibition and 2,2-diphenyl-1-picrylhydrazyl. Total phenol content (TPC) was measured by Folin-Ciocalteu method. The subsequent analysis of CEO through GC-MS revealed that cuminal (28.28%) was the major compound of CEO. CEO showed a high TPC of 89.45 ± 0.78 mg GAE/g. The free radical scavenging activity of CEO (based on IC50) was equal to 9.10 ± 0.63 μg mL-1. In addition, CEO showed a remarkably high inhibitory effect (63%) on β-carotene bleaching via neutralizing hydroperoxides, which are responsible for the oxidation of highly unsaturated β-carotene. The antimicrobial effect increased as a function of essential oil concentration. However, there were no inhibitory effects on E. coli at 5 mg mL-1. The electron micrographs demonstrated that CEO caused an increase in the permeabilization of the cells and disrupted the membrane integrity.
Collapse
Affiliation(s)
- Behrooz Alizadeh Behbahani
- Department of Food Science and Technology, Faculty of Animal Science and Food Technology, Agricultural Sciences and Natural Resources University of Khuzestan, Mollasani, Iran.
| | - Mohammad Noshad
- Department of Food Science and Technology, Faculty of Animal Science and Food Technology, Agricultural Sciences and Natural Resources University of Khuzestan, Mollasani, Iran
| | - Fereshteh Falah
- Department of Food Science and Technology, Faculty of Agriculture, Ferdowsi University of Mashhad, Mashhad, Iran
| |
Collapse
|