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Soltani Nejad M, Najafabadi NS, Aghighi S, Zargar M, Bayat M, Pakina E. Green synthesis of silver nanoparticles by sweet cherry and its application against cherry spot disease. Heliyon 2024; 10:e31508. [PMID: 38813185 PMCID: PMC11133914 DOI: 10.1016/j.heliyon.2024.e31508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 05/14/2024] [Accepted: 05/16/2024] [Indexed: 05/31/2024] Open
Abstract
Asia has a rich history of cultivating sweet cherries, a practice that has been carried out since ancient times. However, the effective management of Alternaria disease in sweet cherry crops has presented a formidable challenge, resulting in notable decreases in yield. Various attempts have been made to employ both chemical and biological treatments; however, their effectiveness has been restricted. In order to tackle this problem, an investigation was carried out, with the primary objective of isolating and identifying Alternaria isolates that are accountable for the occurrence of sweet cherry soft spot rot. Out of the twelve isolates examined, the CHM-4 isolate was found to be the most pathogenic. Its identification was achieved through the use of the ITS genomic region (ITS1 and ITS4), and the BLAST results revealed a 95 % similarity with Alternaria alternata (MG744381.1). The objective of the research was to explore the potential of silver nanoparticles (SNPs) synthesized by phytosynthesis as a novel antifungal agent to combat sweet cherry soft spot pathogenicity. The biosynthesis of SNPs was carried out using sweet cherry fruits kernel exudate, which served as an environmentally friendly source. The exudates exhibited the ability to produce nanoparticles with an average size of 24.97 nm. Analysis conducted using a transmission electron microscope (TEM) revealed the multifaceted structure of these nanoparticles. Furthermore, when tested at concentrations of 5, 10, 20, and 40 μg/ml, these biosynthetic nanoparticles demonstrated the capability to inhibit the growth of Alternaria fungi and effectively destroy fungal hyphae. It is advisable to utilize diverse components of sweet cherry for the synthesis of various nanoparticles owing to their compatibility with the surrounding environment.
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Affiliation(s)
- Meysam Soltani Nejad
- Department of Plant Protection, Faculty of Agriculture, Shahid Bahonar University of Kerman, Kerman, 7616914111, Iran
| | - Neda Samandari Najafabadi
- Department of Plant Protection, Faculty of Agriculture, Ferdowsi University of Mashhad, Mashhad, 9177948978, Iran
| | - Sonia Aghighi
- Research and Technology Institute of Plant Production, Afzalipour Research Institute, Shahid Bahonar University of Kerman, Kerman, 7616914111, Iran
| | - Meisam Zargar
- Department of Agrobiotechnology, Institute of Agriculture, RUDN University, 117198, Moscow, Russia
| | - Maryam Bayat
- Department of Agrobiotechnology, Institute of Agriculture, RUDN University, 117198, Moscow, Russia
| | - Elena Pakina
- Department of Agrobiotechnology, Institute of Agriculture, RUDN University, 117198, Moscow, Russia
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Ismail AM, Raza MH, Zahra N, Ahmad R, Sajjad Y, Khan SA. Aflatoxins in Wheat Grains: Detection and Detoxification through Chemical, Physical, and Biological Means. Life (Basel) 2024; 14:535. [PMID: 38672805 PMCID: PMC11050897 DOI: 10.3390/life14040535] [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: 03/04/2024] [Revised: 04/18/2024] [Accepted: 04/19/2024] [Indexed: 04/28/2024] Open
Abstract
Wheat (Triticum aestivum L.) is an essential food crop in terms of consumption as well as production. Aflatoxin exposure has a widespread public health impact in economically developing nations, so there is a need to establish preventive techniques for these high-risk populations. Pre-harvest and post-harvest practices are the two strategies used to control aflatoxin contamination, which include the use of genetically modified crops that show resistance against Aspergillus infection, the use of pesticides, changing the planting and harvesting time of crops, and physical, chemical, and biological methods. In this research, aflatoxin detection and quantification were performed in different wheat varieties to determine quantitative differences in comparison to the European Commission's limit of 4 ppb aflatoxins in wheat. TLC for qualitative and the ELISA kit method for quantitative analysis of aflatoxins were used. Out of 56 samples, 35 were found contaminated with aflatoxins, while the remaining 21 samples did not show any presence of aflatoxins. Out of the 35 contaminated samples, 20 samples showed aflatoxin contamination within the permissible limit, while the remaining 15 samples showed aflatoxin concentration beyond the permissible level, ranging from 0.49 to 20.56 ppb. After quantification, the nine highly contaminated wheat samples were detoxified using physical, chemical, and biological methods. The efficiency of these methods was assessed, and they showed a significant reduction in aflatoxins of 53-72%, 79-88%, and 80-88%, respectively. In conclusion, the difference in aflatoxin concentration in different wheat varieties could be due to genetic variations. Furthermore, biological treatment could be the method of choice for detoxification of aflatoxins in wheat as it greatly reduced the aflatoxin concentration with no harmful effect on the quality of the grains.
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Affiliation(s)
- Ahmed Mahmoud Ismail
- Department of Arid Land Agriculture, College of Agricultural and Food Sciences, King Faisal University, P.O. Box 420, Al-Ahsa 31982, Saudi Arabia
- Pests and Plant Diseases Unit, College of Agricultural and Food Sciences, King Faisal University, P.O. Box 420, Al-Ahsa 31982, Saudi Arabia
- Vegetable Diseases Research Department, Plant Pathology Research Institute, Agricultural Research Center (ARC), Giza 12619, Egypt
| | - Muhammad Hassan Raza
- Department of Biotechnology, COMSATS University Islamabad-Abbottabad Campus, Abbottabad 22060, Pakistan; (M.H.R.); (R.A.); (Y.S.)
- Food and Biotechnology Research Centre, PCSIR Laboratories Complex, Ferozepur Road, Lahore 54600, Pakistan;
| | - Naseem Zahra
- Food and Biotechnology Research Centre, PCSIR Laboratories Complex, Ferozepur Road, Lahore 54600, Pakistan;
| | - Rafiq Ahmad
- Department of Biotechnology, COMSATS University Islamabad-Abbottabad Campus, Abbottabad 22060, Pakistan; (M.H.R.); (R.A.); (Y.S.)
| | - Yasar Sajjad
- Department of Biotechnology, COMSATS University Islamabad-Abbottabad Campus, Abbottabad 22060, Pakistan; (M.H.R.); (R.A.); (Y.S.)
| | - Sabaz Ali Khan
- Department of Biotechnology, COMSATS University Islamabad-Abbottabad Campus, Abbottabad 22060, Pakistan; (M.H.R.); (R.A.); (Y.S.)
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Almeida NA, Freire L, Carnielli-Queiroz L, Bragotto APA, Silva NCC, Rocha LO. Essential oils: An eco-friendly alternative for controlling toxigenic fungi in cereal grains. Compr Rev Food Sci Food Saf 2024; 23:e13251. [PMID: 38284600 DOI: 10.1111/1541-4337.13251] [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: 03/29/2023] [Revised: 09/01/2023] [Accepted: 09/15/2023] [Indexed: 01/30/2024]
Abstract
Fungi are widely disseminated in the environment and are major food contaminants, colonizing plant tissues throughout the production chain, from preharvest to postharvest, causing diseases. As a result, grain development and seed germination are affected, reducing grain quality and nutritional value. Some fungal species can also produce mycotoxins, toxic secondary metabolites for vertebrate animals. Natural compounds, such as essential oils, have been used to control fungal diseases in cereal grains due to their antimicrobial activity that may inhibit fungal growth. These compounds have been associated with reduced mycotoxin contamination, primarily related to reducing toxin production by toxigenic fungi. However, little is known about the mechanisms of action of these compounds against mycotoxigenic fungi. In this review, we address important information on the mechanisms of action of essential oils and their antifungal and antimycotoxigenic properties, recent technological strategies for food industry applications, and the potential toxicity of essential oils.
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Affiliation(s)
- Naara A Almeida
- Department of Food Science, School of Food Engineering, University of Campinas, Campinas, Brazil
| | - Luísa Freire
- Department of Food Science, School of Food Engineering, University of Campinas, Campinas, Brazil
- Faculty of Pharmaceutical Sciences, Food and Nutrition, Federal University of Mato Grosso do Sul. Cidade Universitária, Campo Grande, Mato Grosso do Sul, Brazil
| | - Lorena Carnielli-Queiroz
- Department of Pharmaceutical Sciences, Health Sciences Center, Federal University of Espírito Santo, Vitória-Espírito Santo, Brazil
| | - Adriana P A Bragotto
- Department of Food Science, School of Food Engineering, University of Campinas, Campinas, Brazil
| | - Nathália C C Silva
- Department of Food Science, School of Food Engineering, University of Campinas, Campinas, Brazil
| | - Liliana O Rocha
- Department of Food Science, School of Food Engineering, University of Campinas, Campinas, Brazil
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Folorunso EA, Gebauer R, Bohata A, Velíšek J, Třešnáková N, Dvořák P, Tomčala A, Kuebutornye FKA, Mráz J. Runoff of foliar-applied natural fungicides in aquaponics: Implications for fish and nitrification. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2024; 105:104341. [PMID: 38072218 DOI: 10.1016/j.etap.2023.104341] [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: 07/03/2023] [Accepted: 12/05/2023] [Indexed: 01/16/2024]
Abstract
Aquaponics is a method of producing food in a sustainable manner through the integration of aquaculture and hydroponics, which allows simultaneous cultivation of fish and economic crops. The use of natural fungicides are crucial to the sustainable control of diseases in aquaponics. We assessed the potential impacts of natural fungicides, such as clove oil and lecithin, as well as a synthetic fungicide, tebuconazole, following foliar application in aquaponics. This study examined the runoff rates of the fungicides in decoupled aquaponics, and the subsequent effects of the runoffs on nitrification processes and Nile tilapia (Oreochromis niloticus). The runoffs of the foliar-applied fungicides, clove oil, lecithin, and tebuconazole, were detected in aquaponics water at a percentage runoff rate of 0.3 %, 2.3 %, and 0.3-0.8 % respectively. In the biofilter, lecithin altered the ammonium levels by increasing ammonium-nitrogen levels by 7 mg L-1, 6 h post application. Clove oil, on the other hand, showed no significant effect on ammonium, nitrite, and nitrate-nitrogen. Similarly, the toxicity test showed that eugenol had no significant effects on the hematological, biochemical and antioxidative activities of O. niloticus. Conversely, tebuconazole exhibited significant and persistent effects on various biochemical parameters, including lactate, albumin, and total protein, as well as hematological parameters like hemoglobin and MCH. The use of lecithin and tebuconazole should only be limited to decoupled aquaponics.
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Affiliation(s)
- Ewumi Azeez Folorunso
- University of South Bohemia in Ceske Budejovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Institute of Aquaculture and Protection of Waters, České Budějovice 370 05, Czech Republic
| | - Radek Gebauer
- University of South Bohemia in Ceske Budejovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Institute of Aquaculture and Protection of Waters, České Budějovice 370 05, Czech Republic
| | - Andrea Bohata
- University of South Bohemia in Ceske Budejovice, Faculty of Agriculture and Technology, Department of Plant Protection, Studentska 1668, České Budějovice 370 05, Czech Republic
| | - Josef Velíšek
- University of South Bohemia in Ceske Budejovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Institute of Aquaculture and Protection of Waters, České Budějovice 370 05, Czech Republic
| | - Nikola Třešnáková
- University of South Bohemia in Ceske Budejovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Institute of Aquaculture and Protection of Waters, České Budějovice 370 05, Czech Republic
| | - Petr Dvořák
- University of South Bohemia in Ceske Budejovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Institute of Aquaculture and Protection of Waters, České Budějovice 370 05, Czech Republic
| | - Aleš Tomčala
- University of South Bohemia in Ceske Budejovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Institute of Aquaculture and Protection of Waters, České Budějovice 370 05, Czech Republic
| | - Felix Kofi Agbeko Kuebutornye
- University of South Bohemia in Ceske Budejovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Institute of Aquaculture and Protection of Waters, České Budějovice 370 05, Czech Republic
| | - Jan Mráz
- University of South Bohemia in Ceske Budejovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Institute of Aquaculture and Protection of Waters, České Budějovice 370 05, Czech Republic.
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Dos Santos FR, da Fonseca Rezende SR, Dos Santos LV, da Silva ERMN, Silva Caiado M, Alves de Souza MA, Guedes Pontes E, de Carvalho MG, Braz Filho R, Castro RN. Larvicidal and Fungicidal Activity of the Leaf Essential Oil of Five Myrtaceae Species. Chem Biodivers 2023; 20:e202300823. [PMID: 37917799 DOI: 10.1002/cbdv.202300823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2023] [Revised: 10/19/2023] [Accepted: 10/20/2023] [Indexed: 11/04/2023]
Abstract
Myrtaceae is one of the most diverse and abundant botanical families, exhibiting wide diversity in the chemical composition of essential oils (EOs). EOs have various biotechnological applications such as controlling the populations of organisms that negatively impact humans. This study aimed to extract EOs from Myrtaceae species, chemically characterize them, and evaluate their larvicidal and fungicidal effects. EOs were extracted from the leaves of Eugenia brasiliensis, Eugenia uniflora, Psidium cattleyanum, Psidium guajava, and Syzygium cumini by hydrodistillation for 3 h and characterized by chromatographic analysis. Larvaes of Aedes aegypti and colonies of Fusarium oxysporum were subjected to increasing EO concentrations to determine the larvicidal and fungicidal potential. The EOs of Eugenia and Psidium species are primarily composed of sesquiterpenes (>80 %), whereas S. cumini EO is rich in monoterpenes (more than 60 %). The Eugenia species had similar amounts of oxygenated monoterpenes, which may explain their higher larvicidal potential compared to other species, with CL50 of 86.68 and 147.46 PPM, respectively. In addition to these two study species, S. cumini showed a high inhibition of fungal growth, with more than 65 % inhibition. We demonstrated that the actions of five EOs from Myrtaceae with different biological activities are associated with chemical diversity.
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Affiliation(s)
- Frances Regiane Dos Santos
- Departamento de Química Orgânica, Instituto de Química, Universidade Federal Rural do Rio de Janeiro, Rio de Janeiro, Brasil
| | - Sabrina Rita da Fonseca Rezende
- Departamento de Química Orgânica, Instituto de Química, Universidade Federal Rural do Rio de Janeiro, Rio de Janeiro, Brasil
| | - Luan Valim Dos Santos
- Departamento de Bioquímica, Instituto de Química, Universidade Federal Rural do Rio de Janeiro, Rio de Janeiro, Brasil
| | - Elaine R M Nery da Silva
- Departamento de Bioquímica, Instituto de Química, Universidade Federal Rural do Rio de Janeiro, Rio de Janeiro, Brasil
| | - Matheus Silva Caiado
- Departamento de Bioquímica, Instituto de Química, Universidade Federal Rural do Rio de Janeiro, Rio de Janeiro, Brasil
| | - Marco Andre Alves de Souza
- Departamento de Bioquímica, Instituto de Química, Universidade Federal Rural do Rio de Janeiro, Rio de Janeiro, Brasil
| | - Emerson Guedes Pontes
- Departamento de Bioquímica, Instituto de Química, Universidade Federal Rural do Rio de Janeiro, Rio de Janeiro, Brasil
| | - Mario Geraldo de Carvalho
- Departamento de Química Orgânica, Instituto de Química, Universidade Federal Rural do Rio de Janeiro, Rio de Janeiro, Brasil
| | - Raimundo Braz Filho
- Departamento de Química Orgânica, Instituto de Química, Universidade Federal Rural do Rio de Janeiro, Rio de Janeiro, Brasil
| | - Rosane Nora Castro
- Departamento de Química Orgânica, Instituto de Química, Universidade Federal Rural do Rio de Janeiro, Rio de Janeiro, Brasil
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Chen L, Li X, Wang Y, Guo Z, Wang G, Zhang Y. The performance of plant essential oils against lactic acid bacteria and adverse microorganisms in silage production. FRONTIERS IN PLANT SCIENCE 2023; 14:1285722. [PMID: 38023889 PMCID: PMC10667483 DOI: 10.3389/fpls.2023.1285722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Accepted: 10/25/2023] [Indexed: 12/01/2023]
Abstract
Plant essential oils have played an important role in the field of antibiotic alternatives because of their efficient bacteriostatic and fungistatic activity. As plant essential oils are widely used, their activity to improve the quality of plant silage has also been explored. This review expounds on the active ingredients of essential oils, their bacteriostatic and fungistatic activity, and mechanisms, as well as discusses the application of plant essential oils in plant silage fermentation, to provide a reference for the development and application of plant essential oils as silage additives in plant silage fermentation feed.
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Affiliation(s)
- Lijuan Chen
- College of Animal Science and Technology, Anhui Agricultural University, Hefei, China
| | - Xi Li
- College of Animal Science and Technology, Anhui Agricultural University, Hefei, China
| | - Yili Wang
- College of Animal Science and Technology, Anhui Agricultural University, Hefei, China
| | - Zelin Guo
- College of Animal Science and Technology, Anhui Agricultural University, Hefei, China
| | - Guoming Wang
- College of Animal Science and Technology, Anhui Agricultural University, Hefei, China
| | - Yunhua Zhang
- College of Resources and Environment, Anhui Agricultural University, Hefei, China
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Gutiérrez-Pacheco MM, Torres-Moreno H, Flores-Lopez ML, Velázquez Guadarrama N, Ayala-Zavala JF, Ortega-Ramírez LA, López-Romero JC. Mechanisms and Applications of Citral's Antimicrobial Properties in Food Preservation and Pharmaceuticals Formulations. Antibiotics (Basel) 2023; 12:1608. [PMID: 37998810 PMCID: PMC10668791 DOI: 10.3390/antibiotics12111608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Revised: 11/01/2023] [Accepted: 11/04/2023] [Indexed: 11/25/2023] Open
Abstract
Citral is a monoterpene constituted by two isomers known as neral and geranial. It is present in different plant sources and recognized as safe (GRAS) by the Food and Drug Administration (FDA). In recent years, investigations have demonstrated that this compound exhibited several biological activities, such as antibacterial, antifungal, antibiofilm, antiparasitic, antiproliferative, anti-inflammatory, and antioxidant properties, by in vitro and in vivo assays. Additionally, when incorporated into different food matrices, citral can reduce the microbial load of pathogenic microorganisms and extend the shelf life. This compound has acceptable drug-likeness properties and does not present any violations of Lipinski's rules, which could be used for drug development. The above shows that citral could be a compound of interest for developing food additives to extend the shelf life of animal and vegetable origin foods and develop pharmaceutical products.
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Affiliation(s)
| | - Heriberto Torres-Moreno
- Departamento de Ciencias Químico-Biológicas y Agropecuarias, Universidad de Sonora, H. Caborca 83600, Sonora, Mexico;
| | - María Liliana Flores-Lopez
- Centro de Investigación e Innovación Científica y Tecnológica, Universidad Autónoma de Coahuila, Saltillo 25070, Coahuila, Mexico;
| | - Norma Velázquez Guadarrama
- Laboratorio de Investigación en Enfermedades Infecciosas, Hospital Infantil de México Federico Gómez, Mexico City 06720, Mexico;
| | - J. Fernando Ayala-Zavala
- Coordinación de Tecnología de Alimentos de Origen Vegetal, Centro de Investigación en Alimentación y Desarrollo, A. C. Carretera Gustavo Astiazarán Rosas No. 46, Colonia la Victoria, Hermosillo 83304, Sonora, Mexico;
| | - Luis Alberto Ortega-Ramírez
- Departamento de Ciencias de la Salud, Universidad Estatal de Sonora, San Luis Río Colorado 83430, Sonora, Mexico;
| | - Julio César López-Romero
- Departamento de Ciencias Químico-Biológicas y Agropecuarias, Universidad de Sonora, H. Caborca 83600, Sonora, Mexico;
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Deweer C, Sahmer K, Muchembled J. Anti-oomycete activities from essential oils and their major compounds on Phytophthora infestans. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:110240-110250. [PMID: 37779122 PMCID: PMC10625517 DOI: 10.1007/s11356-023-29270-6] [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: 01/27/2023] [Accepted: 08/07/2023] [Indexed: 10/03/2023]
Abstract
Botanicals are various plant-based products like plant extracts or essential oils. Anti-fungal activities of selected essential oils were tested on the pathogen causing potato and tomato late blight (Phytophthora infestans). Tests to evaluate anti-oomycete activities of commercial essential oils and their major compounds were carried out in vitro in microplate in liquid media. Anti-oomycete activities on Phytophthora infestans strain were obtained from essential oils/major compounds: Eucalyptus citriodora/citronellal; Syzygium aromaticum (clove)/eugenol; Mentha spicata/D-Carvone, L-Carvone; Origanum compactum/carvacrol; Satureja montana (savory)/carvacrol; Melaleuca alternifolia (tea tree)/terpinen-4-ol, and Thymus vulgaris/thymol. As an active substance of mineral origin, copper sulfate was chosen as a control. All selected essential oils showed an anti-oomycete activity calculated with IC50 indicator. The essential oils of clove, savory, and thyme showed the best anti-oomycete activities similar to copper sulfate, while oregano, eucalyptus, mint, and tea tree essential oils exhibited significantly weaker activities than copper sulfate. Clove essential oil showed the best activity (IC50 = 28 mg/L), while tea tree essential oil showed the worst activity (IC50 = 476 mg/L). For major compounds, three results were obtained: they were statistically more active than their essential oils (carvacrol for oregano, D- and L-Carvone for mint) or as active as their essential oils sources (thymol for thyme, carvacrol for savory, terpinen-4-ol for tea tree) or less active than their original essential oils (eugenol for clove, citronellal for eucalyptus). Microscopical observations carried out with the seven essential oils showed that they were all responsible for a modification of the morphology of the mycelium. The results demonstrated that various essential oils show different anti-oomycete activities, sometimes related to a major compound and sometimes unrelated, indicating that other compounds must play a role in total anti-oomycete activity.
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Affiliation(s)
- Caroline Deweer
- Joint Research Unit 1158 BioEcoAgro, INRAE, JUNIA, University of Lille, University of Liège, UPJV, University of Artois, ULCO, F-59000, Lille, France
| | - Karin Sahmer
- Univ. Lille, IMT Lille Douai, Univ. Artois, JUNIA, ULR 4515 - LGCgE, Laboratoire de Génie Civil et géo-Environnement, F-59000, Lille, France
| | - Jérôme Muchembled
- Joint Research Unit 1158 BioEcoAgro, INRAE, JUNIA, University of Lille, University of Liège, UPJV, University of Artois, ULCO, F-59000, Lille, France.
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Andrade-Ochoa S, Sánchez-Aldana D, Rodríguez-Valdez LM, Nevárez-Moorillón GV. In vitro and Quantitative and Structure Activity Relationship (QSAR) evaluation of the antifungal activity of terpenoid constituents of essential oils against Alternaria alternata and Fusarium oxysporum. BIOMEDICA : REVISTA DEL INSTITUTO NACIONAL DE SALUD 2023; 43:156-169. [PMID: 37721910 PMCID: PMC10588966 DOI: 10.7705/biomedica.6883] [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: 01/30/2023] [Accepted: 05/09/2023] [Indexed: 09/20/2023]
Abstract
INTRODUCTION Fungal genera Alternaria and Fusarium include human and plant pathogenic species. Several antifungals have been used for their control, but excessive use has contributed to resistance development in pathogens. An alternative to searching for and developing new antifungal agents is using essential oils and their main components, which have biological activities of interest in medicine and food production. OBJECTIVE To evaluate in vitro and in silico the antifungal activities of terpenoids against Alternaria alternata and Fusarium oxysporum. MATERIALS AND METHODS The minimum inhibitory concentration and minimum fungicidal concentration values of 27 constituents of essential oils used against Alternaria alternata and Fusarium oxysporum were evaluated in vitro. In addition, using genetic algorithms, quantitative models of the structure-activity relationship were used to identify the structural and physicochemical properties related to antifungal activity. RESULTS The evaluated compounds proved to be effective antifungals. Thymol was the most active with a minimum inhibitory concentration of 91.6 ± 28.8 μg/ml for A. alternata and F. oxysporum. Quantitative structure-activity relationship models revealed the octanolwater cleavage ratio as the molecular property, and the phenols as the main functional group contributing to antifungal activity. CONCLUSION Terpenoids exhibit relevant antifungal activities that should be incorporated into the study of medicinal chemistry. Inclusion of in silico assays in the in vitro evaluation is a valuable tool in the search for and rational design of terpene derivatives as new potential antifungal agents.
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Affiliation(s)
- Sergio Andrade-Ochoa
- Facultad de Ciencias Químicas, Universidad Autónoma de Chihuahua, Chihuahua, México; Facultad de Medicina y Ciencias Biomédicas, Universidad Autónoma de Chihuahua, Chihuahua, México.
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Boudechicha A, Aouf A, Farouk A, Ali HS, Elkhadragy MF, Yehia HM, Badr AN. Microfluidizing Technique Application for Algerian Cymbopogon citratus (DC.) Stapf Effects Enhanced Volatile Content, Antimicrobial, and Anti-Mycotoxigenic Properties. Molecules 2023; 28:5367. [PMID: 37513240 PMCID: PMC10384219 DOI: 10.3390/molecules28145367] [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: 06/15/2023] [Revised: 07/07/2023] [Accepted: 07/10/2023] [Indexed: 07/30/2023] Open
Abstract
Medicinal plant extracts are a promising source of bioactive minor contents. The present study aimed to evaluate the distinguished volatile content of Algerian Cymbopogon citratus (DC.) Stapf before and after the microfluidization process and their related antimicrobial and anti-mycotoxigenic impacts and changes. The GC-MS apparatus was utilized for a comparative examination of Algerian lemongrass essential oil (LGEO) with its microfluidization nanoemulsion (MF-LGEO) volatile content. The MF-LGEO was characterized using Zetasizer and an electron microscope. Cytotoxicity, antibacterial, and antifungal activities were determined for the LGEO and MF-LGEO. The result reflected changes in the content of volatiles for the MF-LGEO. The microfluidizing process enhanced the presence of compounds known for their exceptional antifungal and antibacterial properties in MF-LGEO, namely, neral, geranial, and carvacrol. However, certain terpenes, such as camphor and citronellal, were absent, while decanal, not found in the raw LGEO, was detected. The droplet diameter was 20.76 ± 0.36 nm, and the polydispersity index (PDI) was 0.179 ± 0.03. In cytotoxicity studies, LGEO showed higher activity against the HepG2 cell line than MF-LGEO. Antibacterial LGEO activity against Gram-positive bacteria recorded an inhibitory zone from 41.82 ± 2.84 mm to 58.74 ± 2.64 mm, while the zone ranged from 12.71 ± 1.38 mm to 16.54 ± 1.42 mm for Gram-negative bacteria. Antibacterial activity was enhanced to be up to 71.43 ± 2.54 nm and 31.54 ± 1.01 nm for MF-LGEO impact against Gram-positive and Gram-negative pathogens. The antifungal effect was considerable, particularly against Fusarium fungi. It reached 17.56 ± 1.01 mm and 13.04 ± 1.37 mm for LGEO and MF-LGEO application of a well-diffusion assay, respectively. The MF-LGEO was more promising in reducing mycotoxin production in simulated fungal growth media due to the changes linked to essential compounds content. The reduction ratio was 54.3% and 74.57% for total aflatoxins (AFs) and ochratoxin A (OCA) contents, respectively. These results reflect the microfluidizing improvement impact regarding the LGEO antibacterial, antifungal and anti-mycotoxigenic properties.
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Affiliation(s)
- Amel Boudechicha
- Laboratory of Applied Microbiology, Faculty of Natural and Life Sciences, University of Ferhat Abbas Setif1, Setif 19000, Algeria
| | - Abdelhakim Aouf
- Laboratory of Applied Microbiology, Faculty of Natural and Life Sciences, University of Ferhat Abbas Setif1, Setif 19000, Algeria
| | - Amr Farouk
- Flavour and Aroma Chemistry Department, National Research Centre, Cairo 12622, Egypt
| | - Hatem S Ali
- Food Technology Department, National Research Center, Cairo 12622, Egypt
| | - Manal F Elkhadragy
- Biology Department, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
| | - Hany M Yehia
- Food Science and Nutrition Department, College of Food and Agriculture Science, King Saud University, P.O. Box 2460, Riyadh 11451, Saudi Arabia
- Food Science and Nutrition Department, Faculty of Home Economics, Helwan University, Helwan 11611, Egypt
| | - Ahmed Noah Badr
- Food Toxicology and Contaminants Department, National Research Centre, Dokki, Cairo 12622, Egypt
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Zikeli F, Vettraino AM, Biscontri M, Bergamasco S, Palocci C, Humar M, Romagnoli M. Lignin Nanoparticles with Entrapped Thymus spp. Essential Oils for the Control of Wood-Rot Fungi. Polymers (Basel) 2023; 15:2713. [PMID: 37376359 DOI: 10.3390/polym15122713] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 06/10/2023] [Accepted: 06/13/2023] [Indexed: 06/29/2023] Open
Abstract
After decades of utilization of fossil-based and environmentally hazardous compounds for wood preservation against fungal attack, there is a strong need to substitute those compounds with bio-based bioactive solutions, such as essential oils. In this work, lignin nanoparticles containing four essential oils from thyme species (Thymus capitatus, Coridothymus capitatus, T. vulgaris, and T. vulgaris Demeter) were applied as biocides in in vitro experiments to test their anti-fungal effect against two white-rot fungi (Trametes versicolor and Pleurotus ostreatus) and two brown-rot fungi (Poria monticola and Gloeophyllum trabeum). Entrapment of essential oils provided a delayed release over a time frame of 7 days from the lignin carrier matrix and resulted in lower minimum inhibitory concentrations of the essential oils against the brown-rot fungi (0.30-0.60 mg/mL), while for the white-rot fungi, identical concentrations were determined compared with free essential oils (0.05-0.30 mg/mL). Fourier Transform infrared (FTIR) spectroscopy was used to assess the fungal cell wall changes in the presence of essential oils in the growth medium. The results regarding brown-rot fungi present a promising approach for a more effective and sustainable utilization of essential oils against this class of wood-rot fungi. In the case of white-rot fungi, lignin nanoparticles, as essential oils delivery vehicles, still need optimization in their efficacy.
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Affiliation(s)
- Florian Zikeli
- Department for Innovation in Biological, Agro-Food and Forest Systems (DIBAF), University of Tuscia, 01100 Viterbo, Italy
| | - Anna Maria Vettraino
- Department for Innovation in Biological, Agro-Food and Forest Systems (DIBAF), University of Tuscia, 01100 Viterbo, Italy
| | - Margherita Biscontri
- Department for Innovation in Biological, Agro-Food and Forest Systems (DIBAF), University of Tuscia, 01100 Viterbo, Italy
| | - Sara Bergamasco
- Department for Innovation in Biological, Agro-Food and Forest Systems (DIBAF), University of Tuscia, 01100 Viterbo, Italy
| | - Cleofe Palocci
- Department of Chemistry, Sapienza University of Rome, Piazzale A. Moro 5, 00185 Rome, Italy
- Research Center for Applied Sciences to the Safeguard of Environment and Cultural Heritage (CIABC), Sapienza University of Rome, P.le A. Moro 5, 00185 Rome, Italy
| | - Miha Humar
- Department of Wood Science and Technology, Biotechnical Faculty, University of Ljubljana, Jamnikarjeva 101, 1000 Ljubljana, Slovenia
| | - Manuela Romagnoli
- Department for Innovation in Biological, Agro-Food and Forest Systems (DIBAF), University of Tuscia, 01100 Viterbo, Italy
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Valente MT, Orzali L, Manetti G, Magnanimi F, Matere A, Bergamaschi V, Grottoli A, Bechini S, Riccioni L, Aragona M. Rapid molecular assay for the evaluation of clove essential oil antifungal activity against wheat common bunt. FRONTIERS IN PLANT SCIENCE 2023; 14:1130793. [PMID: 37342131 PMCID: PMC10277744 DOI: 10.3389/fpls.2023.1130793] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Accepted: 05/17/2023] [Indexed: 06/22/2023]
Abstract
Common bunt of durum wheat (DW), Triticum turgidum L. ssp. durum (Desf.) Husn., is caused by the two closely related fungal species belonging to Tilletia genus (Tilletiales, Exobasidiomycetes, Ustilaginomycotina): Tilletia laevis Kühn (syn. T. foetida (Wallr.) Liro.) and T. caries (DC) Tul. (syn. T. tritici (Bjerk.) G. Winter). This is one of the most devastating diseases in wheat growing areas worldwide, causing considerable yield loss and reduction of wheat grains and flour quality. For these reasons, a fast, specific, sensitive, and cost-effective method for an early diagnosis of common bunt in wheat seedlings is urgent. Several molecular and serological methods were developed for diagnosis of common bunt in wheat seedlings but at late phenological stages (inflorescence) or based on conventional PCR amplification, with low sensitivity. In this study, a TaqMan Real Time PCR-based assay was developed for rapid diagnosis and quantification of T. laevis in young wheat seedlings, before tillering stage. This method, along with phenotypic analysis, was used to study conditions favoring pathogen infection and to evaluate the effectiveness of clove oil-based seed dressing in controlling the disease. The overall results showed that: i) the Real Time PCR assay was able to quantify T. laevis in young wheat seedlings after seed dressing by clove oil in different formulations, greatly reducing times of analysis. It showed high sensitivity, detecting up to 10 fg of pathogen DNA, specificity and robustness, allowing to directly analyze crude plant extracts and representing a useful tool to speed up the tests of genetic breeding for disease resistance; ii) temperature was a critical point for disease development when using wheat seeds contaminated by T. laevis spores; iii) at least one of the clove oil-based formulations tested was able to efficiently control wheat common bunt, suggesting that clove oil dressing could represent a promising tool for managing the disease, especially in sustainable farming.
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Affiliation(s)
- Maria Teresa Valente
- Council for Agricultural Research and Economics (CREA), Research Centre for Plant Protection and Certification (CREA-DC), Rome, Italy
| | - Laura Orzali
- Council for Agricultural Research and Economics (CREA), Research Centre for Plant Protection and Certification (CREA-DC), Rome, Italy
| | - Giuliano Manetti
- Council for Agricultural Research and Economics (CREA), Research Centre for Plant Protection and Certification (CREA-DC), Rome, Italy
- Department of Environmental Biology, Sapienza University of Rome, Rome, Italy
| | - Francesco Magnanimi
- Council for Agricultural Research and Economics (CREA), Research Centre for Plant Protection and Certification (CREA-DC), Rome, Italy
- Department of Biology and Biotechnology “Charles Darwin”, Sapienza University of Rome, Rome, Italy
| | - Antonio Matere
- Council for Agricultural Research and Economics (CREA), Research Centre for Plant Protection and Certification (CREA-DC), Rome, Italy
| | - Valentino Bergamaschi
- Council for Agricultural Research and Economics (CREA), Research Centre for Plant Protection and Certification (CREA-DC), Rome, Italy
- Department of Environmental Biology, Sapienza University of Rome, Rome, Italy
| | - Alessandro Grottoli
- Council for Agricultural Research and Economics (CREA), Research Centre for Plant Protection and Certification (CREA-DC), Rome, Italy
| | - Sara Bechini
- Council for Agricultural Research and Economics (CREA), Research Centre for Plant Protection and Certification (CREA-DC), Rome, Italy
| | - Luca Riccioni
- Council for Agricultural Research and Economics (CREA), Research Centre for Plant Protection and Certification (CREA-DC), Rome, Italy
| | - Maria Aragona
- Council for Agricultural Research and Economics (CREA), Research Centre for Plant Protection and Certification (CREA-DC), Rome, Italy
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Steglińska A, Sulyok M, Janas R, Grzesik M, Liszkowska W, Kręgiel D, Gutarowska B. Metabolite Formation by Fungal Pathogens of Potatoes ( Solanum tuberosum L.) in the Presence of Bioprotective Agents. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:5221. [PMID: 36982130 PMCID: PMC10049107 DOI: 10.3390/ijerph20065221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 03/09/2023] [Accepted: 03/14/2023] [Indexed: 06/18/2023]
Abstract
The potato is a crop of global importance for the food industry. This is why effective protection against pathogens is so important. Fungi as potato pathogens are responsible for plant diseases and a significant reduction in yields, as well as for the formation of mycotoxins. This study focuses on the effect of three natural biocides, yeast Metschnikowia pulcherrima, lactic acid bacteria Lactiplantibacillus plantarum, and aqueous garlic extract, on the improvement of the physiology of planted potato tubers and the reduction in mycotoxin formation. The secondary metabolites produced by the fungal pathogens of genera Fusarium, Alternaria, Colletotrichum, Rhizoctonia, and Phoma in the presence of these biocontrol agents were compared to profiles obtained from contaminated potatoes. Analysis of liquid chromatography coupled with tandem mass spectrometry data showed the presence of 68 secondary metabolites, including the mycotoxins: alternariol, alternariol methyl ether, altertoxin-I, aurofusarin, beauvericin, diacetoxyscirpenol, enniatin B, and sterigmatocystin. The studies showed that the applied biocontrol agents had a positive effect on the physiological parameters of potatoes (including root growth, stem growth, gas exchange, and chlorophyll content index) and on the reduction in the production of mycotoxins and other secondary metabolites by Fusarium, Alternaria, and Phoma.
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Affiliation(s)
- Aleksandra Steglińska
- Department of Environmental Biotechnology, Lodz University of Technology, Wólczańska 171/173, 90-950 Łódź, Poland; (W.L.); (D.K.); (B.G.)
- Interdisciplinary Doctoral School, Lodz University of Technology, Żeromskiego 116, 90-924 Łódź, Poland
| | - Michael Sulyok
- Department of Agrobiotechnology (IFA-Tulln), Institute of Bioanalytics and Agro-Metabolomics, University of Natural Resources and Life Sciences, Vienna, Konrad-Lorenz-Strasse 20, 3430 Tulln, Austria;
| | - Regina Janas
- The National Institute of Horticultural Research, Konstytucji 3 Maja 1/3, 96-100 Skierniewice, Poland; (R.J.); (M.G.)
| | - Mieczysław Grzesik
- The National Institute of Horticultural Research, Konstytucji 3 Maja 1/3, 96-100 Skierniewice, Poland; (R.J.); (M.G.)
| | - Wiktoria Liszkowska
- Department of Environmental Biotechnology, Lodz University of Technology, Wólczańska 171/173, 90-950 Łódź, Poland; (W.L.); (D.K.); (B.G.)
| | - Dorota Kręgiel
- Department of Environmental Biotechnology, Lodz University of Technology, Wólczańska 171/173, 90-950 Łódź, Poland; (W.L.); (D.K.); (B.G.)
| | - Beata Gutarowska
- Department of Environmental Biotechnology, Lodz University of Technology, Wólczańska 171/173, 90-950 Łódź, Poland; (W.L.); (D.K.); (B.G.)
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Arora H, Sharma A, Sharma S. Thyme essential oil fostering the efficacy of aqueous extract of licorice against fungal phytopathogens of Capsicum annuum L. J Biosci Bioeng 2023; 135:466-473. [PMID: 37005199 DOI: 10.1016/j.jbiosc.2023.03.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Revised: 02/28/2023] [Accepted: 03/05/2023] [Indexed: 04/03/2023]
Abstract
Capsicum annuum L. production is impeded by various biotic factors, including fungal diseases caused by Colletotrichum capsici, Pythium aphanidermatum, and Fusarium oxysporum. Various plant extracts and essential oils are increasingly used to control different plant diseases. In this study, licorice (Glycyrrhiza glabra) cold water extract (LAE) and thyme (Thymus vulgaris) essential oil (TO) were found to be highly effective against the C. annuum pathogens. LAE at 200 mg ml-1 demonstrated the maximum antifungal activity of 89.9% against P. aphanidermatum, whereas TO at 0.25 mg ml-1 showed 100% inhibition of C. capsici. However, when used in combination, much lower doses of these plant protectants (100 mg ml-1 LAE and 0.125 mg ml-1 TO) exhibited a synergistic effect in controlling the fungal pathogens. Metabolite profiling using gas chromatography-mass spectrometry and high resolution-liquid chromatography-mass spectrophotometry analysis showed the presence of several bioactive compounds. Enhanced cellular components leakage revealed damage to the fungal cell wall and membrane due to and LAE treatment, which can be attributed to the TO lipophilicity and triterpenoid saponins of LAE. TO and LAE treatments also caused a reduction in ergosterol biosynthesis might be due to the presence of thymol and sterol components in the botanicals. Although the aqueous extracts have a low preparation cost, their uses are limited by modest shelf life and lacklustre antifungal effect. We have shown that these limitations can be bypassed by combining oil (TO) with the aqueous extract (LAE). This study further opens the avenues for utilizing these botanicals against other fungal phytopathogens.
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Singh G, Arora H, P H, Sharma S. Development of clove oil based nanoencapsulated biopesticide employing mesoporous nanosilica synthesized from paddy straw via bioinspired sol-gel route. ENVIRONMENTAL RESEARCH 2023; 220:115208. [PMID: 36603658 DOI: 10.1016/j.envres.2022.115208] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/01/2022] [Revised: 12/23/2022] [Accepted: 12/31/2022] [Indexed: 06/17/2023]
Abstract
Paddy straw (PS) burning is a concerning issue in South Asian countries, clamoring for exploring alternative management strategies. Being a rich source of silica, PS can be a potential nanosilica (SiNPs) source. The current study reports a pioneering approach for green synthesis of high-purity mesoporous SiNPs by sol-gel method using the aqueous extract of Sapindus mukorossi seed pericarp as a stabilizer. The mesoporous nature of SiNPs was harnessed as a carrier for the essential oil to develop the carrier-based formulation. SiNPs were characterized using XRD, EDX, FTIR, FE-SEM, TEM, AFM, DLS, water contact angle, and BET analysis. The synthesized SiNPs possessed a spheroid morphology with an average particle size of 20.34 ± 2.64 nm. XRD results confirmed its amorphous nature. The mesoporous nature of SiNPs was confirmed using BET analysis which showed a cumulative pore volume of 2.059 cm3/g and a high surface area of 746.32 m2/g. The SiNPs were further loaded with clove essential oil (CEO), and the encapsulation of CEO was assessed using UV-Vis, FTIR, and BET analysis. The in-vitro antifungal activity of CEO and CEO-loaded SiNPs (CEO-SiNPs) was evaluated using the agar plate assay. UV-Vis results depicted 62.64% encapsulation of CEO in SiNPs. The antifungal efficacy of CEO-SiNPs against F. oxysporum exhibited minimum inhibitory concentration (MIC), i.e., 125 mg/L, while the MIC of CEO was found to be 250 mg/L. The study delivers new insights into the holistic utilization of PS and propitious contribution toward the circular economy and Sustainable Development Goals (SDGs).
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Affiliation(s)
- Garima Singh
- Centre for Rural Development & Technology, Indian Institute of Technology (IIT), New Delhi, 110016, India
| | - Himanshu Arora
- Centre for Rural Development & Technology, Indian Institute of Technology (IIT), New Delhi, 110016, India
| | - Hariprasad P
- Centre for Rural Development & Technology, Indian Institute of Technology (IIT), New Delhi, 110016, India
| | - Satyawati Sharma
- Centre for Rural Development & Technology, Indian Institute of Technology (IIT), New Delhi, 110016, India.
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Microwave-Assisted Hydrodistillation of Essential Oil from Plectranthus amboinicus: Evaluation of Its Antifungal Effect and Chemical Composition. Life (Basel) 2023; 13:life13020528. [PMID: 36836886 PMCID: PMC9958869 DOI: 10.3390/life13020528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2023] [Revised: 01/31/2023] [Accepted: 02/03/2023] [Indexed: 02/17/2023] Open
Abstract
Fusarium wilt, a vascular syndrome in a wide range of plants, is caused by the pathogen Fusarium Oxysporum. The objective of this investigation was to evaluate the antifungal effect of four essential oils (EOs) (Plectranthus amboinicus, Syzygium aromaticum, Lippia alba, and Rosmarinus officinalis), which were obtained by using microwave-assisted hydrodistillation (MAH), against F. oxysporum. The yield obtained from P. amboinicus with the use of MAH was 0.2%, which was higher than that of a conventional extraction; its extraction time was also shorter. For concentrations of 100 and 300 μL/L, P. amboinicus caused an inhibition rate of 27.2 and 55.7%, respectively, while S. aromaticum caused an inhibition rate of 23.1 and 87.3%, respectively. It was observed that increasing the concentration also increased the % inhibition rate. The extracts of L. alba and R. officinalis caused an inhibition rate of 14.5 and 14.7% at 500 µL/L, respectively, at 10 days of incubation, while at this concentration, P. amboinicus and S. aromaticum achieved 100%. The major chemical compounds of P. amboinicus were carvacrol (41.20%), o-cymene (11.61%), caryophyllene (11.45%), α-bergamotene (7.71%), and caryophyllene oxide (4.62%), and these monoterpene hydrocarbons were responsible for the biological activity. The essential oil of P. amboinicus in appropriate concentrations is a potent antifungal agent that could be used for the control of F. oxysporum.
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El-Aswad AF, Aly MI, Alsahaty SA, Basyony ABA. Efficacy evaluation of some fumigants against Fusarium oxysporum and enhancement of tomato growth as elicitor-induced defense responses. Sci Rep 2023; 13:2479. [PMID: 36774421 PMCID: PMC9922316 DOI: 10.1038/s41598-023-29033-w] [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: 05/09/2022] [Accepted: 01/30/2023] [Indexed: 02/13/2023] Open
Abstract
Fusarium wilt, the most serious soil-borne pathogen, is a serious problem for tomato production worldwide. The presented study evaluated the antifungal activity against Fusarium oxysporum f. sp. lycopersici in vitro and in vivo for nine fumigants. In addition, the research examined the possibility of enhancing the growth of tomato plants in order to increase resistance against this disease by using four chemical inducers. The results indicated that at 20 mg/L, the radial growth of the pathogen was inhibited 100% by formaldehyde and > 80% by phosphine. Among the essential oils investigated, neem oil was the most effective, however, it only achieved 40.54% at 500 mg/L. The values of EC50 for all fumigants, except dimethyl disulfide (DMDS) and carbon disulfide (CS2), were lower than those for thiophanate-methyl. Phosphine was the highest efficient. The elicitors can be arranged based on their effectiveness, gibberellic acid (GA3) > sorbic acid > cytokinin (6-benzylaminopurine) > indole-3-butyric acid. The change in root length, fresh weight, and dry weight was greater with soil drench than with foliar application. The fumigant generators formaldehyde, phosphine and 1,4-dichlorobenzene and bio-fumigants citrus and neem oils as well as elicitors gibberellic and sorbic acid could be one of the promising alternatives to methyl bromide against Fusarium oxysporum as an important component of integrated management of Fusarium wilt.
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Affiliation(s)
- Ahmed F El-Aswad
- Pesticide Chemistry and Technology Department, Faculty of Agriculture, Alexandria University, El-Shatby, Alexandria, 21545, Egypt.
| | - Maher I Aly
- Pesticide Chemistry and Technology Department, Faculty of Agriculture, Alexandria University, El-Shatby, Alexandria, 21545, Egypt
| | - Sameh A Alsahaty
- Pesticide Chemistry and Technology Department, Faculty of Agriculture, Alexandria University, El-Shatby, Alexandria, 21545, Egypt
| | - Ayman B A Basyony
- Plant Pathology Department, Faculty of Agriculture, Alexandria University, Alexandria, Egypt
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Saber FR, Munekata PES, Rizwan K, El-Nashar HAS, Fahmy NM, Aly SH, El-Shazly M, Bouyahya A, Lorenzo JM. Family Myrtaceae: The treasure hidden in the complex/diverse composition. Crit Rev Food Sci Nutr 2023; 64:6737-6755. [PMID: 36748791 DOI: 10.1080/10408398.2023.2173720] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Myrtaceae is one of the most important plants families, being regarded as the eighth largest flowering plant family. It includes many genera of utmost ecological and economical importance distributed all over the world. This review aimed to report the latest studies on this family focusing on certain widely used plants including Eucalyptus sp., Eugenia sp. (Eugenia uniflora, Eugenia sulcata), Syzygium sp. (Syzygium aromaticum and Syzygium cumini), Psidium sp., Pimenta dioica, Myrtus sp. (Myrtus communis), Myrciaria sp. and Melaleuca alternifolia. The extraction of bioactive compounds has been evolving through the optimization of conventional methods and the use of emerging technologies. Supercritical CO2 was applied for essential oils and ultrasound for polyphenols leading to extracts and essential oils rich in bioactive compounds. Advances in the field of encapsulation and delivery systems showed promising results in the production of stable essential oils nanoemulsions and liposomes and the production of plant extracts in the form of nanoparticles. Moreover, a significant increase in the number of patents was noticed especially the application of Myrtaceae extracts in the pharrmacuetucal field. The applications of ceratin plants (Pimenta dioica, Melaleuca alternifolia, Syzygium aromaticum essential oils or Myrciaria cauliflora peel extract) in food area (either as a free or encapsulated form) also showed interesting results in limiting microbial spoilage of fresh meat and fish, slowing oxidative degradation in meat products, and inhibiting aflatoxin production in maize. Despite the massive literature on Myrtaceae plants, advances are still necessary to optimize the extraction with environmentally friendly technologies and carry out risk assessment studies should be accomplished to harness the full potential in food, industrial and pharmaceutical applications.
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Affiliation(s)
- Fatema R Saber
- Pharmacognosy Department, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Paulo E S Munekata
- Centro Tecnológico de la Carne de Galicia, Avd. Galicia No. 4, Parque Tecnológico de Galicia, San Cibrao das Viñas, 32900 Ourense, Spain
| | - Komal Rizwan
- Department of Chemistry, University of Sahiwal, Sahiwal, Pakistan
| | - Heba A S El-Nashar
- Department of Pharmacognosy, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| | - Nouran M Fahmy
- Department of Pharmacognosy, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| | - Shaza H Aly
- Department of Pharmacognosy, Faculty of Pharmacy, Badr University in Cairo, Cairo, Egypt
| | - Mohamed El-Shazly
- Department of Pharmacognosy, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| | - Abdelhakim Bouyahya
- Laboratory of Human Pathologies Biology, Department of Biology, Faculty of Sciences, Mohammed V University in Rabat, Rabat, Morocco
| | - Jose M Lorenzo
- Centro Tecnológico de la Carne de Galicia, Avd. Galicia No. 4, Parque Tecnológico de Galicia, San Cibrao das Viñas, 32900 Ourense, Spain
- Área de Tecnología de los Alimentos, Facultad de Ciencias de Ourense, Universidade de Vigo, Ourense, Spain
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Prajapati J, Rao P, Poojara L, Acharya D, Patel SK, Goswami D, Rawal RM. A Comprehensive in vitro and in silico Assessment on Inhibition of CYP51B and Ergosterol Biosynthesis by Eugenol in Rhizopus oryzae. Curr Microbiol 2023; 80:47. [PMID: 36538133 PMCID: PMC9764306 DOI: 10.1007/s00284-022-03108-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Accepted: 11/03/2022] [Indexed: 12/24/2022]
Abstract
Mucormycosis, also known as Zygomycosis, is a disease caused by invasive fungi, predominantly Rhizopus species belonging to the Order of Mucorales. Seeing from the chemistry perspective, heterocyclic compounds with an "azole" moiety are widely employed as antifungal agent for minimising the effect of mucormycosis as a prescribed treatment. These azoles serve as non-competitive inhibitors of fungal CYP51B by predominantly binding to its heme moiety, rendering its inhibition. However, long-term usage and abuse of azoles as antifungal medicines has resulted in drug resistance among certain fungal pathogens. Hence, there is an unmet need to find alternative therapeutic compounds. In present study, we used various in vitro tests to investigate the antifungal activity of eugenol against R. oryzae/R. arrhizus, including ergosterol quantification to test inhibition of ergosterol production mediated antifungal action. The minimum inhibitory concentration (MIC) value obtained for eugenol was 512 μg/ml with reduced ergosterol concentration of 77.11 ± 3.25% at MIC/2 concentration. Further, the molecular interactions of eugenol with fungal CYP51B were meticulously studied making use of proteomics in silico study including molecular docking and molecular dynamics simulations that showed eugenol to be strongly interacting with heme in an identical fashion to that shown by azole drugs (in this case, clotrimazole was evaluated). This is the first of a kind study showing the simulation study of eugenol with CYP51B of fungi. This inhibition results in ergosterol synthesis and is also studied and compared with keeping clotrimazole as a reference.
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Affiliation(s)
- Jignesh Prajapati
- grid.411877.c0000 0001 2152 424XDepartment of Biochemistry and Forensic Science, University School of Sciences, Gujarat University, Ahmedabad, Gujarat 380009 India
| | - Priyashi Rao
- grid.411877.c0000 0001 2152 424XDepartment of Biochemistry and Forensic Science, University School of Sciences, Gujarat University, Ahmedabad, Gujarat 380009 India
| | - Lipi Poojara
- grid.411877.c0000 0001 2152 424XDepartment of Biochemistry and Forensic Science, University School of Sciences, Gujarat University, Ahmedabad, Gujarat 380009 India
| | - Dhaval Acharya
- Department of Microbiology, B N Patel Institute of Paramedical and Sciences, Anand, Gujarat 388001 India
| | - Saumya K. Patel
- grid.411877.c0000 0001 2152 424XDepartment of Botany, Bioinformatics and Climate Change Impacts Management, School of Sciences, Gujarat University, Ahmedabad, Gujarat India
| | - Dweipayan Goswami
- grid.411877.c0000 0001 2152 424XDepartment of Microbiology and Biotechnology, University School of Sciences, Gujarat University, Ahmedabad, Gujarat 380009 India
| | - Rakesh M. Rawal
- grid.411877.c0000 0001 2152 424XDepartment of Biochemistry and Forensic Science, University School of Sciences, Gujarat University, Ahmedabad, Gujarat 380009 India ,grid.411877.c0000 0001 2152 424XDepartment of Life Science, University School of Sciences, Gujarat University, Ahmedabad, Gujarat 380009 India
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Pérez-Izquierdo C, Serrano-Pérez P, Rodríguez-Molina MDC. Chemical composition, antifungal and phytotoxic activities of Cistus ladanifer L. essential oil and hydrolate. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2022. [DOI: 10.1016/j.bcab.2022.102527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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21
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Tančinová D, Mašková Z, Mendelová A, Foltinová D, Barboráková Z, Medo J. Antifungal Activities of Essential Oils in Vapor Phase against Botrytis cinerea and Their Potential to Control Postharvest Strawberry Gray Mold. Foods 2022; 11:foods11192945. [PMID: 36230021 PMCID: PMC9563059 DOI: 10.3390/foods11192945] [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: 08/18/2022] [Revised: 09/08/2022] [Accepted: 09/16/2022] [Indexed: 11/26/2022] Open
Abstract
Essential oils (EOs) from aromatic plants seem to have the potential to control several fungal pathogens and food contaminants. Botrytis cinerea is the main strawberry fruit contaminant causing high losses during storage. Here, thirteen EOs applied in the vapor phase were evaluated for their potential to inhibit the growth of three different strains of B. cinerea isolated from strawberry fruits. Eight EOs (lemongrass, litsea, lavender, peppermint, mint, petitgrain, sage, and thyme) were able to completely inhibit the growth of B. cinerea for 7 days when applied at a concentration of 625 μL·L−1. Four EOs with the lowest minimal inhibition concentrations (thyme, peppermint, lemongrass, and litsea) have been tested on strawberry fruits intentionally inoculated by B. cinerea. All four EOs showed high inhibition at a concentration of 250 or 500 μL·L−1, but only peppermint EO was able to completely inhibit B. cinerea lesion development at a concentration of 125 μL·L−1. The sensory evaluation of strawberries treated by EOs at a concentration 125 μL·L−1 resulted in a statistically significant decrease in taste, aftertaste, aroma, and overall quality. Lemongrass and litsea EOs scored better than thyme and peppermint ones, thus forming two viable methods for B. cinerea suppression and the extension of packed strawberries’ shelf life.
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Affiliation(s)
- Dana Tančinová
- Institute of Biotechnology, Faculty of Biotechnology and Food Sciences, Slovak University of Agriculture in Nitra, Tr. A Hlinku 2, 949 76 Nitra, Slovakia
| | - Zuzana Mašková
- Institute of Biotechnology, Faculty of Biotechnology and Food Sciences, Slovak University of Agriculture in Nitra, Tr. A Hlinku 2, 949 76 Nitra, Slovakia
| | - Andrea Mendelová
- Institute of Food Sciences, Faculty of Biotechnology and Food Sciences, Slovak University of Agriculture in Nitra, Tr. A Hlinku 2, 949 76 Nitra, Slovakia
| | - Denisa Foltinová
- The State Veterinary and Food Administration of the Slovak Republic, Botanická 17, 842 13 Bratislava, Slovakia
| | - Zuzana Barboráková
- Institute of Biotechnology, Faculty of Biotechnology and Food Sciences, Slovak University of Agriculture in Nitra, Tr. A Hlinku 2, 949 76 Nitra, Slovakia
| | - Juraj Medo
- Institute of Biotechnology, Faculty of Biotechnology and Food Sciences, Slovak University of Agriculture in Nitra, Tr. A Hlinku 2, 949 76 Nitra, Slovakia
- Correspondence:
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Medina-Romero YM, Rodriguez-Canales M, Rodriguez-Monroy MA, Hernandez-Hernandez AB, Delgado-Buenrostro NL, Chirino YI, Cruz-Sanchez T, Garcia-Tovar CG, Canales-Martinez MM. Effect of the Essential Oils of Bursera morelensis and Lippia graveolens and Five Pure Compounds on the Mycelium, Spore Production, and Germination of Species of Fusarium. J Fungi (Basel) 2022; 8:jof8060617. [PMID: 35736100 PMCID: PMC9224590 DOI: 10.3390/jof8060617] [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: 05/06/2022] [Revised: 05/31/2022] [Accepted: 06/02/2022] [Indexed: 02/04/2023] Open
Abstract
The genus Fusarium causes many diseases in economically important plants. Synthetic agents are used to control postharvest diseases caused by Fusarium, but the use of these synthetic agents generates several problems, making it necessary to develop new alternative pesticides. Essential oils can be used as a new control strategy. The essential oils of Bursera morelensis and Lippia graveolens have been shown to have potent antifungal activity against Fusarium. However, for the adequate management of diseases, as well as the optimization of the use of essential oils, it is necessary to know how essential oils act on the growth and reproduction of the fungus. In this study, the target of action of the essential oils of B. morelensis and L. graveolens and of the pure compounds present in the essential oils (carvacrol, p-cymene, α-phellandrene, α-pinene, and Υ-terpinene) was determined by evaluating the effect on hyphal morphology, as well as on spore production and germination of three Fusarium species. In this work, carvacrol was found to be the compound that produced the highest inhibition of radial growth. Essential oils and pure compounds caused significant damage to hyphal morphology and affected spore production and germination of Fusarium species.
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Affiliation(s)
- Yoli Mariana Medina-Romero
- Laboratorio de Farmacognosia, Unidad de Biología, Tecnología y Prototipos (UBIPRO), Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Av. de los Barrios No. 1, Los Reyes Iztacala, Tlalnepantla de Baz CP 54090, Estado de Mexico, Mexico; (Y.M.M.-R.); (A.B.H.-H.)
| | - Mario Rodriguez-Canales
- Laboratorio de Investigación Biomédica en Productos Naturales, Carrera de Medicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Avenida de los Barrios Numero 1, Colonia Los Reyes Iztacala, Tlalnepantla de Baz CP 54090, Estado de Mexico, Mexico; (M.R.-C.); (M.A.R.-M.)
| | - Marco Aurelio Rodriguez-Monroy
- Laboratorio de Investigación Biomédica en Productos Naturales, Carrera de Medicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Avenida de los Barrios Numero 1, Colonia Los Reyes Iztacala, Tlalnepantla de Baz CP 54090, Estado de Mexico, Mexico; (M.R.-C.); (M.A.R.-M.)
| | - Ana Bertha Hernandez-Hernandez
- Laboratorio de Farmacognosia, Unidad de Biología, Tecnología y Prototipos (UBIPRO), Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Av. de los Barrios No. 1, Los Reyes Iztacala, Tlalnepantla de Baz CP 54090, Estado de Mexico, Mexico; (Y.M.M.-R.); (A.B.H.-H.)
| | - Norma Laura Delgado-Buenrostro
- Laboratorio 10, Carcinogénesis y Toxicología, Unidad de Biomedicina (UBIMED), Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Avenida de los Barrios Numero 1, Colonia Los Reyes Iztacala, Tlalnepantla de Baz CP 54090, Estado de Mexico, Mexico; (N.L.D.-B.); (Y.I.C.)
| | - Yolanda I. Chirino
- Laboratorio 10, Carcinogénesis y Toxicología, Unidad de Biomedicina (UBIMED), Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Avenida de los Barrios Numero 1, Colonia Los Reyes Iztacala, Tlalnepantla de Baz CP 54090, Estado de Mexico, Mexico; (N.L.D.-B.); (Y.I.C.)
| | - Tonatiuh Cruz-Sanchez
- Laboratorio de Servicio de Análisis de Propóleos (LASAP), Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de México, Av. Teoloyucan Km 2.5, San Sebastian Xhala, Cuautitlán Izcalli CP 54714, Estado de Mexico, Mexico;
| | - Carlos Gerardo Garcia-Tovar
- Laboratorio de Morfología Veterniaria y Biología Celular, Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de México, Av. Teoloyucan Km 2.5, San Sebastian Xhala, Cuautitlán Izcalli CP 54714, Estado de Mexico, Mexico;
| | - Maria Margarita Canales-Martinez
- Laboratorio de Farmacognosia, Unidad de Biología, Tecnología y Prototipos (UBIPRO), Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Av. de los Barrios No. 1, Los Reyes Iztacala, Tlalnepantla de Baz CP 54090, Estado de Mexico, Mexico; (Y.M.M.-R.); (A.B.H.-H.)
- Correspondence: ; Tel.: +52-55-27-69-21-73
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Steglińska A, Bekhter A, Wawrzyniak P, Kunicka-Styczyńska A, Jastrząbek K, Fidler M, Śmigielski K, Gutarowska B. Antimicrobial Activities of Plant Extracts against Solanum tuberosum L. Phytopathogens. Molecules 2022; 27:1579. [PMID: 35268680 PMCID: PMC8911893 DOI: 10.3390/molecules27051579] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 02/21/2022] [Accepted: 02/25/2022] [Indexed: 02/05/2023] Open
Abstract
The purpose of the study was to select an environmentally friendly plant biopesticide to protect seed potatoes against phytopathogens. The scope included the evaluation of the antimicrobial activities of 22 plant water extracts, 22 water-glycol extracts, and 3 subcritical carbon dioxide extracts using the agar diffusion method against 10 potato phytopathogens. For the most effective extracts, minimal inhibitory concentration (MIC), chemical composition analysis by gas chromatography-mass spectrometry and in situ assays on seed potatoes were performed. Garlic water extract was finally selected as the most effective in phytopathogen growth inhibition, both in vitro and in situ, with MIC values ranging between 6.3-25 mg/mL. 5-Hydroxymethylfurfural was determined to be the main component of this extract (33.24%). Garlic water extract was proposed as a potential biopesticide against potato phytopathogens.
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Affiliation(s)
- Aleksandra Steglińska
- Department of Environmental Biotechnology, Lodz University of Technology, Wólczańska 171/173, 90-530 Łódź, Poland; (M.F.); (K.Ś.); (B.G.)
| | - Anastasiia Bekhter
- Institute of Natural Products and Cosmetics, Lodz University of Technology, Stefanowskiego 2/22, 90-537 Łódź, Poland; (A.B.); (K.J.)
| | - Paweł Wawrzyniak
- Faculty of Process and Environmental Engineering, Lodz University of Technology, Wólczańska 213, 90-924 Łódź, Poland;
| | - Alina Kunicka-Styczyńska
- Department of Sugar Industry and Food Safety Management, Lodz University of Technology, Wólczańska 171/173, 90-530 Łódź, Poland;
| | - Konrad Jastrząbek
- Institute of Natural Products and Cosmetics, Lodz University of Technology, Stefanowskiego 2/22, 90-537 Łódź, Poland; (A.B.); (K.J.)
| | - Michał Fidler
- Department of Environmental Biotechnology, Lodz University of Technology, Wólczańska 171/173, 90-530 Łódź, Poland; (M.F.); (K.Ś.); (B.G.)
| | - Krzysztof Śmigielski
- Department of Environmental Biotechnology, Lodz University of Technology, Wólczańska 171/173, 90-530 Łódź, Poland; (M.F.); (K.Ś.); (B.G.)
| | - Beata Gutarowska
- Department of Environmental Biotechnology, Lodz University of Technology, Wólczańska 171/173, 90-530 Łódź, Poland; (M.F.); (K.Ś.); (B.G.)
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Plant-Derived Protectants in Combating Soil-Borne Fungal Infections in Tomato and Chilli. J Fungi (Basel) 2022; 8:jof8020213. [PMID: 35205967 PMCID: PMC8878687 DOI: 10.3390/jof8020213] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 02/17/2022] [Accepted: 02/19/2022] [Indexed: 12/17/2022] Open
Abstract
Fungal infections transmitted through the soil continue to pose a threat to a variety of horticultural and agricultural products, including tomato and chilli. The indiscriminate use of synthetic pesticides has resulted in a slew of unintended consequences for the surrounding ecosystem. To achieve sustainable productivity, experts have turned their attention to natural alternatives. Due to their biodegradability, varied mode of action, and minimal toxicity to non-target organisms, plant-derived protectants (PDPs) are being hailed as a superior replacement for plant pesticides. This review outlines PDPs’ critical functions (including formulations) in regulating soil-borne fungal diseases, keeping tomato and chilli pathogens in the spotlight. An in-depth examination of the impact of PDPs on pathogen activity will be a priority. Additionally, this review emphasises the advantages of the in silico approach over conventional approaches for screening plants’ secondary metabolites with target-specific fungicidal activity. Despite the recent advances in our understanding of the fungicidal capabilities of various PDPs, it is taking much longer for that information to be applied to commercially available pesticides. The restrictions to solving this issue can be lifted by breakthroughs in formulation technology, governmental support, and a willingness to pursue green alternatives among farmers and industries.
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Chang Y, Harmon PF, Treadwell DD, Carrillo D, Sarkhosh A, Brecht JK. Biocontrol Potential of Essential Oils in Organic Horticulture Systems: From Farm to Fork. Front Nutr 2022; 8:805138. [PMID: 35096947 PMCID: PMC8792766 DOI: 10.3389/fnut.2021.805138] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 12/20/2021] [Indexed: 11/30/2022] Open
Abstract
In recent decades, increasing attention has been paid to food safety and organic horticulture. Thus, people are looking for natural products to manage plant diseases, pests, and weeds. Essential oils (EOs) or EO-based products are potentially promising candidates for biocontrol agents due to their safe, bioactive, biodegradable, ecologically, and economically viable properties. Born of necessity or commercial interest to satisfy market demand for natural products, this emerging technology is highly anticipated, but its application has been limited without the benefit of a thorough analysis of the scientific evidence on efficacy, scope, and mechanism of action. This review covers the uses of EOs as broad-spectrum biocontrol agents in both preharvest and postharvest systems. The known functions of EOs in suppressing fungi, bacteria, viruses, pests, and weeds are briefly summarized. Related results and possible modes of action from recent research are listed. The weaknesses of applying EOs are also discussed, such as high volatility and low stability, low water solubility, strong influence on organoleptic properties, and phytotoxic effects. Therefore, EO formulations and methods of incorporation to enhance the strengths and compensate for the shortages are outlined. This review also concludes with research directions needed to better understand and fully evaluate EOs and provides an outlook on the prospects for future applications of EOs in organic horticulture production.
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Affiliation(s)
- Yuru Chang
- Horticultural Sciences Department, University of Florida, Gainesville, FL, United States
| | - Philip F. Harmon
- Plant Pathology Department, University of Florida, Gainesville, FL, United States
| | - Danielle D. Treadwell
- Horticultural Sciences Department, University of Florida, Gainesville, FL, United States
| | - Daniel Carrillo
- Tropical Research and Education Center, University of Florida, Homestead, FL, United States
| | - Ali Sarkhosh
- Horticultural Sciences Department, University of Florida, Gainesville, FL, United States
| | - Jeffrey K. Brecht
- Horticultural Sciences Department, University of Florida, Gainesville, FL, United States
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Soliman SA, Hafez EE, Al-Kolaibe AMG, Abdel Razik ESS, Abd-Ellatif S, Ibrahim AA, Kabeil SSA, Elshafie HS. Biochemical Characterization, Antifungal Activity, and Relative Gene Expression of Two Mentha Essential Oils Controlling Fusarium oxysporum, the Causal Agent of Lycopersicon esculentum Root Rot. PLANTS (BASEL, SWITZERLAND) 2022; 11:plants11020189. [PMID: 35050077 PMCID: PMC8781374 DOI: 10.3390/plants11020189] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 01/04/2022] [Accepted: 01/05/2022] [Indexed: 05/08/2023]
Abstract
Tomato (Lycopersicon esculentum Mill.) is important food in daily human diets. Root rot disease by Fusarium oxysporum caused huge losses in tomato quality and yield annually. The extensive use of synthetic and chemical fungicides has environmental risks and health problems. Recent studies have pointed out the use of medicinal plant essential oils (EOs) and extracts for controlling fungal diseases. In the current research, Mentha spicata and Mentha longifolia EOs were used in different concentrations to control F. oxysporum. Many active compounds are present in these two EOs such as: thymol, adapic acid, menthol and menthyl acetate. These compounds possess antifungal effect through malformation and degradation of the fungal cell wall. The relative expression levels of distinctly upregulated defense-related WRKY genes (WRKY1, WRKY4, WRKY33 and WRKY53) in seedling root were evaluated as a plant-specific transcription factor (TF) group in different response pathways of abiotic stress. Results showed significant expression levels of WRKY, WRKY53, WRKY33, WRKY1 and WRKY4 genes. An upregulation was observed in defense-related genes such as chitinase and defensin in roots by application EOs under pathogen condition. In conclusion, M. spicata and M. longifolia EOs can be used effectively to control this plant pathogen as sustainable and eco-friendly botanical fungicides.
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Affiliation(s)
- Seham A. Soliman
- Plant Protection and Biomolecular Diagnosis Department, Arid Lands Cultivation Research Institute, City of Scientific Research and Technology Applications, Borg EL-Arab, Alexandria 21934, Egypt; (S.A.S.); (E.E.H.); (E.-S.S.A.R.); (A.A.I.)
| | - Elsayed E. Hafez
- Plant Protection and Biomolecular Diagnosis Department, Arid Lands Cultivation Research Institute, City of Scientific Research and Technology Applications, Borg EL-Arab, Alexandria 21934, Egypt; (S.A.S.); (E.E.H.); (E.-S.S.A.R.); (A.A.I.)
| | | | - El-Sayed S. Abdel Razik
- Plant Protection and Biomolecular Diagnosis Department, Arid Lands Cultivation Research Institute, City of Scientific Research and Technology Applications, Borg EL-Arab, Alexandria 21934, Egypt; (S.A.S.); (E.E.H.); (E.-S.S.A.R.); (A.A.I.)
| | - Sawsan Abd-Ellatif
- Bioprocess Development Department, Genetic Engineering and Biotechnology Research Institute, City of Scientific Research and Technology Applications, Borg EL-Arab, Alexandria 21934, Egypt;
| | - Amira A. Ibrahim
- Plant Protection and Biomolecular Diagnosis Department, Arid Lands Cultivation Research Institute, City of Scientific Research and Technology Applications, Borg EL-Arab, Alexandria 21934, Egypt; (S.A.S.); (E.E.H.); (E.-S.S.A.R.); (A.A.I.)
| | - Sanaa S. A. Kabeil
- Protein Research Department, Genetic Engineering and Biotechnology Research Institute, City of Scientific Research and Technology Applications, Borg EL-Arab, Alexandria 21934, Egypt;
| | - Hazem S. Elshafie
- School of Agricultural, Forestry, Food and Environmental Sciences, University of Basilicata, Viale dell’Ateneo Lucano 10, 85100 Potenza, Italy
- Correspondence: ; Tel.: +39-0971-205522; Fax: +39-0971-205503
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The Concentration-Dependent Effects of Essential Oils on the Growth of Fusarium graminearum and Mycotoxins Biosynthesis in Wheat and Maize Grain. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12010473] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
The presence of Fusarium fungi and their toxic metabolites in agricultural crops contributes to significant quantitative and qualitative losses of crops, causing a direct threat to human and animal health and life. Modern strategies for reducing the level of fungi and mycotoxins in the food chain tend to rely on natural methods, including plant substances. Essential oils (EOs), due to their complex chemical composition, show high biological activity, including fungistatic properties, which means that they exhibit high potential as a biological plant protection factor. The aim of this study was to determine the fungistatic activity of three EOs against F. graminearum, and the reduction of mycotoxin biosynthesis in corn and wheat grain. All tested EOs effectively suppressed the growth of F. graminearum in concentrations of 5% and 10%. Cinnamon and verbena EOs also effectively reduced the ergosterol (ERG) content in both grains at the concentration of 1%, while at the 0.1% EO concentration, the reduction in the ERG amount depended on the EO type as well as on the grain. The degree of zearalenone (ZEA) reduction was consistent with the inhibition of ERG biosynthesis, while the reduction in deoxynivalenol (DON) was not consistent with this parameter.
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Ashraf H, Anjum T, Riaz S, Batool T, Naseem S, Li G. Sustainable synthesis of microwave-assisted IONPs using Spinacia oleracea L. for control of fungal wilt by modulating the defense system in tomato plants. J Nanobiotechnology 2022; 20:8. [PMID: 34983521 PMCID: PMC8725286 DOI: 10.1186/s12951-021-01204-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 12/12/2021] [Indexed: 01/18/2023] Open
Abstract
BACKGROUND Changing climate enhances the survival of pests and pathogens, which eventually affects crop yield and reduces its economic value. Novel approaches should be employed to ensure sustainable food security. Nano-based agri-chemicals provide a distinctive mechanism to increase productivity and manage phytopathogens, with minimal environmental distress. In vitro and in greenhouse studies were conducted to evaluate the potential of green-synthesized iron-oxide nanoparticles (IONPs) in suppressing wilt infection caused by Fusarium oxysporum f. sp. lycospersici, and improving tomato growth (Solanum lycopersicum) and fruit quality. RESULTS Various microwave powers (100-1000 W) were used to modulate the properties of the green-synthesized IONPs, using spinach as a starting material. The IONPs stabilized with black coffee extract were substantively characterized using X-ray diffraction analysis (XRD), Fourier-transform infrared spectroscopy, dielectric and impedance spectroscopy, X-ray photoelectron spectroscopy (XPS), scanning and transmission electron microscopy (SEM and TEM, respectively), and magnetization analysis. XRD revealed a cubic magnetite (Fe3O4) phase with super-paramagnetic nature, detected at all microwave powers. The binding energies of Fe 2p3/2 (710.9 eV) and Fe 2p1/2 (724.5 eV) of Fe3O4 NPs were confirmed using XPS analysis at a microwave power of 1000 W. Uniform, spherical/cubical-shaped particles with an average diameter of 4 nm were confirmed using SEM and TEM analysis. A significant reduction in mycelial growth and spore germination was observed upon exposure to different IONP treatments. Malformed mycelium, DNA fragmentation, alternation in the cell membrane, and ROS production in F. oxysporum indicated the anti-microbial potential of the IONPs. The particles were applied both through the root (before transplantation) and by means of foliar application (after two weeks) to the infected seedlings. IONPs significantly reduced disease severity by an average of 47.8%, resulting in increased plant growth variables after exposure to 12.5 µg/mL of IONPs. Analysis of photosynthetic pigments, phenolic compounds, and anti-oxidant enzymes in the roots and shoots showed an increasing trend after exposure to various concentrations of IONPs. Correspondingly, lycopene, vitamin C, total flavonoids, and protein content were substantially improved in tomato fruits after treatment with IONPs. CONCLUSION The findings of the current investigation suggested that the synthesized IONPs display anti-fungal and nutritional properties that can help to manage Fusarium wilt disease, resulting in enhanced plant growth and fruit quality.
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Affiliation(s)
- Hina Ashraf
- Guangdong Key Laboratory for New Technology Research of Vegetables/Vegetable Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou, People's Republic of China
- Department of Plant Pathology, Faculty of Agricultural Sciences, University of the Punjab, Lahore, Pakistan
- Centre of Excellence in Solid-State-Physics, University of the Punjab, Lahore, Pakistan
| | - Tehmina Anjum
- Department of Plant Pathology, Faculty of Agricultural Sciences, University of the Punjab, Lahore, Pakistan
| | - Saira Riaz
- Centre of Excellence in Solid-State-Physics, University of the Punjab, Lahore, Pakistan
| | - Tanzeela Batool
- Centre of Excellence in Solid-State-Physics, University of the Punjab, Lahore, Pakistan
| | - Shahzad Naseem
- Centre of Excellence in Solid-State-Physics, University of the Punjab, Lahore, Pakistan
| | - Guihua Li
- Guangdong Key Laboratory for New Technology Research of Vegetables/Vegetable Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou, People's Republic of China.
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Cheng X, Yang Y, Zhu X, Yuan P, Gong B, Ding S, Shan Y. Inhibitory mechanisms of cinnamic acid on the growth of Geotrichum citri-aurantii. Food Control 2022. [DOI: 10.1016/j.foodcont.2021.108459] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Yan J, Wu H, Chen K, Feng J, Zhang Y. Antifungal Activities and Mode of Action of Cymbopogon citratus, Thymus vulgraris, and Origanum heracleoticum Essential Oil Vapors against Botrytis cinerea and Their Potential Application to Control Postharvest Strawberry Gray Mold. Foods 2021; 10:foods10102451. [PMID: 34681505 PMCID: PMC8536117 DOI: 10.3390/foods10102451] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 10/10/2021] [Accepted: 10/11/2021] [Indexed: 01/06/2023] Open
Abstract
Gray mold caused by Botrytis cinerea is one of the most destructive postharvest decay of strawberry fruit. The present study aims to identify essential oils with antifungal activity against B. cinerea and the underlying mechanisms and their potential application in controlling postharvest decay. In the screening test, essential oils from Cymbopogon citratus (Cc), Thymus vulgraris (Tv), and Origanum heracleoticum (Oh) exhibited maximum inhibition of B. cinerea mycelial growth. The three essential oils altered the hyphal morphology and ultrastructure and resulted in many blebs around the hyphae. The essential oils damaged the plasma membrane of B. cinerea cells and resulted in the leakage of intercellular nucleic acids, proteins and soluble sugars. The exposure of strawberries to the vapors of these three essential oils in commercial package reduced gray mold, with Tv and Oh exhibiting strong efficiency and disease index reduction by 53.85% and 57.69%, respectively. Oh also inhibited postharvest decay and maintained fruit quality, preventing weight loss and soluble solid degradation. The study proposes using plant essential oils as an alternative to chemical fungicides in controlling the gray mold of strawberries.
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Affiliation(s)
- Jiaqi Yan
- College of Horticulture, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing 100193, China; (K.C.); (J.F.); (Y.Z.)
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, No. 11 Fucheng Road, Beijing 100048, China;
- Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology and Business University, No. 11 Fucheng Road, Beijing 100048, China
- Correspondence:
| | - Hua Wu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, No. 11 Fucheng Road, Beijing 100048, China;
- Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology and Business University, No. 11 Fucheng Road, Beijing 100048, China
- College of Chemistry and Materials Engineering, Beijing Technology and Business University, No. 11 Fucheng Road, Beijing 100048, China
| | - Keying Chen
- College of Horticulture, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing 100193, China; (K.C.); (J.F.); (Y.Z.)
| | - Jiajun Feng
- College of Horticulture, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing 100193, China; (K.C.); (J.F.); (Y.Z.)
| | - Yansong Zhang
- College of Horticulture, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing 100193, China; (K.C.); (J.F.); (Y.Z.)
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Grzanka M, Sobiech Ł, Danielewicz J, Horoszkiewicz-Janka J, Skrzypczak G, Sawinska Z, Radzikowska D, Świtek S. Impact of essential oils on the development of pathogens of the Fusarium genus and germination parameters of selected crops. OPEN CHEM 2021. [DOI: 10.1515/chem-2021-0079] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Abstract
Fungal pathogens can significantly reduce the potential yield of agricultural crops, especially cereals. One of the most dangerous are pathogens of the Fusarium genus. They contribute to the infestation of plants, reduction of yields, and contamination of agricultural crops with mycotoxins, which are harmful to human beings and animal health. The absence of active substances, the problem of pathogen resistance to fungicides, and the pressure of society to limit the use of chemical plant protection products are the most important issues in agriculture. This has resulted in research aimed at finding natural methods to control plant pathogens gaining importance. One of them is the use of essential oils. In laboratory experiments, clove essential oil and pine essential oil were used. The influence of different concentrations of the above-mentioned substances on the development of the mycelium of Fusarium species (F. equiseti, F. poae, F. culmorum, and F. avenaceum) was analyzed and the germination of wheat and maize seeds infected with the pathogens of the genus Fusarium was assessed. Clove oil significantly inhibited the growth of mycelium of the Fusarium species and reduced germination parameters than pine oil.
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Affiliation(s)
- Monika Grzanka
- Faculty of Agronomy, Horticulture and Bioengineering, Agronomy Department, Poznań University of Life Sciences , Wojska Polskiego 28 , 60-637 Poznan , Poland
| | - Łukasz Sobiech
- Faculty of Agronomy, Horticulture and Bioengineering, Agronomy Department, Poznań University of Life Sciences , Wojska Polskiego 28 , 60-637 Poznan , Poland
| | - Jakub Danielewicz
- Department of Mycology, Institute of Plant Protection, National Research Institute , Władysława Wegorka 20 , 60-318 Poznan , Poland
| | - Joanna Horoszkiewicz-Janka
- Department of Mycology, Institute of Plant Protection, National Research Institute , Władysława Wegorka 20 , 60-318 Poznan , Poland
| | - Grzegorz Skrzypczak
- Faculty of Agronomy, Horticulture and Bioengineering, Agronomy Department, Poznań University of Life Sciences , Wojska Polskiego 28 , 60-637 Poznan , Poland
| | - Zuzanna Sawinska
- Faculty of Agronomy, Horticulture and Bioengineering, Agronomy Department, Poznań University of Life Sciences , Wojska Polskiego 28 , 60-637 Poznan , Poland
| | - Dominika Radzikowska
- Faculty of Agronomy, Horticulture and Bioengineering, Agronomy Department, Poznań University of Life Sciences , Wojska Polskiego 28 , 60-637 Poznan , Poland
| | - Stanisław Świtek
- Faculty of Agronomy, Horticulture and Bioengineering, Agronomy Department, Poznań University of Life Sciences , Wojska Polskiego 28 , 60-637 Poznan , Poland
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Comparative Analysis of Machine Learning Methods to Predict Growth of F. sporotrichioides and Production of T-2 and HT-2 Toxins in Treatments with Ethylene-Vinyl Alcohol Films Containing Pure Components of Essential Oils. Toxins (Basel) 2021; 13:toxins13080545. [PMID: 34437416 PMCID: PMC8402422 DOI: 10.3390/toxins13080545] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Accepted: 07/31/2021] [Indexed: 11/30/2022] Open
Abstract
The efficacy of ethylene-vinyl alcohol copolymer films (EVOH) incorporating the essential oil components cinnamaldehyde (CINHO), citral (CIT), isoeugenol (IEG), or linalool (LIN) to control growth rate (GR) and production of T-2 and HT-2 toxins by Fusarium sporotrichioides cultured on oat grains under different temperature (28, 20, and 15 °C) and water activity (aw) (0.99 and 0.96) regimes was assayed. GR in controls/treatments usually increased with increasing temperature, regardless of aw, but no significant differences concerning aw were found. Toxin production decreased with increasing temperature. The effectiveness of films to control fungal GR and toxin production was as follows: EVOH-CIT > EVOH-CINHO > EVOH-IEG > EVOH-LIN. With few exceptions, effective doses of EVOH-CIT, EVOH-CINHO, and EVOH-IEG films to reduce/inhibit GR by 50%, 90%, and 100% (ED50, ED90, and ED100) ranged from 515 to 3330 µg/culture in Petri dish (25 g oat grains) depending on film type, aw, and temperature. ED90 and ED100 of EVOH-LIN were >3330 µg/fungal culture. The potential of several machine learning (ML) methods to predict F. sporotrichioides GR and T-2 and HT-2 toxin production under the assayed conditions was comparatively analyzed. XGBoost and random forest attained the best performance, support vector machine and neural network ranked third or fourth depending on the output, while multiple linear regression proved to be the worst.
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Zhao Y, Wang Q, Wu X, Jiang M, Jin H, Tao K, Hou T. Unraveling the polypharmacology of a natural antifungal product, eugenol, against Rhizoctonia solani. PEST MANAGEMENT SCIENCE 2021; 77:3469-3483. [PMID: 33826225 DOI: 10.1002/ps.6400] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 03/01/2021] [Accepted: 04/07/2021] [Indexed: 05/27/2023]
Abstract
BACKGROUND Rice sheath blight caused by Rhizoctonia solani is a devastating disease of rice in China. However, indiscriminate use of chemical fungicides applied to control the disease raise major environmental and food safety issues. Ecofriendly biocontrol alternatives are urgently needed. Eugenol, one of the main ingredients in Syzygium aromaticum, has attracted much attention owing to its antifungal properties. However, its mode of action is still not clear. Herein, the antifungal activity and mode of action of eugenol against R. solani were investigated. RESULTS Results confirmed that the mycelia of R. solani treated with eugenol shrank and became dehydrated, the cytoplasmic wall separated, and the vacuoles and mitochondria decreased or dissolved. Moreover, we found that eugenol downregulated expression of C-4 methyl sterol oxidase, inhibited synthesis of ergosterol, increased membrane permeability and impaired the transportation of amino acids and glucose across the cell membrane. In addition, eugenol decreased the mitochondrial membrane potential and initiated an oxidative stress reaction by increasing reactive oxygen species and malondialdehyde, which together with membrane damage contribute to the antifungal activity of eugenol. Meanwhile, eugenol might inhibit R. solani by affecting oxidative phosphorylation and the tricarboxylic acid cycle (TCA cycle). CONCLUSION In view of its multitarget properties against R. solani, eugenol provides an alternative approach to chemical control strategies against rice sheath blight. © 2021 Society of Chemical Industry.
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Affiliation(s)
- Yongtian Zhao
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, China
- College of Agroforestry and Health, Sichuan Radio and TV University, Chengdu, China
| | - Qi Wang
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, China
| | - Xia Wu
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, China
| | - Mingfang Jiang
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, China
| | - Hong Jin
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, China
| | - Ke Tao
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, China
| | - Taiping Hou
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, China
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Jafari F, Ramezani M, Nomani H, Amiri MS, Moghadam AT, Sahebkar A, Emami SA, Mohammadpour AH. Therapeutic Effect, Chemical Composition, Ethnobotanical Profile of Eucalyptus globulus: A Review. LETT ORG CHEM 2021. [DOI: 10.2174/1570178617999200807213043] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The composition of essential oil (EO) of E. globulus is so different all over the world. The
main component of essential oil is 1,8-cineole (Compound 64), macrocarpal C (Compound 22), terpenes
(Compound 23-92), oleanolic acid (Compound 21), and tannins (Compound 93-99). We
searched in vitro and in vivo articles and reviewed botanical aspects, therapeutic activity, chemical
composition and mechanism of action of E. globulus. Essential oils and extracts of leaves, stump,
wood, root and fruits of E. globulus represented many various medicinal effects including antibacterial,
antifungal, antidiabetic, anticancer, anthelmintic, antiviral, antioxidant, anti-inflammatory, protection
against UV-B, wound healing effect and stimulating the immune response. Also, the leaf extract of eucalyptus
is used as a food additive in the industry. Eucalyptus has so many different therapeutic effects
and some of these effects were confirmed by pharmacological and clinical studies. More clinical studies
are recommended to confirm the useful pharmacological activity of E. globulus.
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Affiliation(s)
- Fatemeh Jafari
- School of Pharmacy, Mashhad University of Medical Sciences, Mashhad,Iran
| | - Mahin Ramezani
- Nanotechnology Research Center, Mashhad University of Medical Sciences, Mashhad,Iran
| | - Homa Nomani
- School of Pharmacy, Mashhad University of Medical Sciences, Mashhad,Iran
| | | | | | - Amirhossein Sahebkar
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad,Iran
| | - Seyed Ahmad Emami
- Department of Traditional Pharmacy, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad,Iran
| | - Amir Hooshang Mohammadpour
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad,Iran
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Achimón F, Brito VD, Pizzolitto RP, Ramirez Sanchez A, Gómez EA, Zygadlo JA. Chemical composition and antifungal properties of commercial essential oils against the maize phytopathogenic fungus Fusarium verticillioides. Rev Argent Microbiol 2021; 53:292-303. [PMID: 33546971 DOI: 10.1016/j.ram.2020.12.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 09/04/2020] [Accepted: 12/10/2020] [Indexed: 01/05/2023] Open
Abstract
The aim of the present study was to analyze the chemical composition of Curcuma longa, Pimenta dioica, Rosmarinus officinalis, and Syzygium aromaticum essential oils (EOs) and their antifungal and anti-conidiogenic activity against Fusarium verticillioides. The chemical profile of the EOs was determined by GC/MS. The antifungal and anti-conidiogenic activities were evaluated by the agar dilution method. The tested concentrations were 1000ppm, 500ppm, 250ppm and 125ppm. S. aromaticum EO exhibited the highest antifungal effect, followed by P. dioica and to a lesser extent C. longa. The major compounds of these EOs were eugenol (88.70% in S. aromaticum and 16.70% in P. dioica), methyl eugenol (53.09% in P. dioica), and α-turmerone (44.70%), β-turmerone (20.67%), and Ar-turmerone (17.27%) in C. longa. Rosmarinus officinalis poorly inhibited fungal growth; however, it was the only EO that inhibited conidial production, with its major components being 1,8-cineole (53.48%), α-pinene (15.65%), and (-)-camphor (9.57%). Our results showed that some compounds are capable of decreasing mycelial growth without affecting sporulation, and vice versa. However, not all the compounds of an EO are responsible for its bioactivity. In the present work, we were able to identify different major compounds or mixtures of major compounds that were responsible for antifungal and anti-conidiogenic effects. Further experiments combining these pure components are necessary in order to achieve a highly bioactive natural formulation against the phytopathogenic fungus F. verticillioides.
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Affiliation(s)
- Fernanda Achimón
- Instituto Multidisciplinario de Biología Vegetal (IMBIV), CONICET-Universidad Nacional de Córdoba, Av. Vélez Sarsfield 1611, X5016GCA Córdoba, Argentina; Instituto de Ciencia y Tecnología de los Alimentos (ICTA), Av. Vélez Sarsfield 1611, X5016GCA Córdoba, Argentina
| | - Vanessa D Brito
- Instituto Multidisciplinario de Biología Vegetal (IMBIV), CONICET-Universidad Nacional de Córdoba, Av. Vélez Sarsfield 1611, X5016GCA Córdoba, Argentina; Instituto de Ciencia y Tecnología de los Alimentos (ICTA), Av. Vélez Sarsfield 1611, X5016GCA Córdoba, Argentina
| | - Romina P Pizzolitto
- Instituto Multidisciplinario de Biología Vegetal (IMBIV), CONICET-Universidad Nacional de Córdoba, Av. Vélez Sarsfield 1611, X5016GCA Córdoba, Argentina; Instituto de Ciencia y Tecnología de los Alimentos (ICTA), Av. Vélez Sarsfield 1611, X5016GCA Córdoba, Argentina.
| | | | - Elisa A Gómez
- Instituto de Innovación en Biotecnología e Industria (IIBI), Santo Domingo, Dominican Republic
| | - Julio A Zygadlo
- Instituto Multidisciplinario de Biología Vegetal (IMBIV), CONICET-Universidad Nacional de Córdoba, Av. Vélez Sarsfield 1611, X5016GCA Córdoba, Argentina; Instituto de Ciencia y Tecnología de los Alimentos (ICTA), Av. Vélez Sarsfield 1611, X5016GCA Córdoba, Argentina
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Dutta A, Mandal A, Kundu A, Malik M, Chaudhary A, Khan MR, Shanmugam V, Rao U, Saha S, Patanjali N, Kumar R, Kumar A, Dash S, Singh PK, Singh A. Deciphering the Behavioral Response of Meloidogyne incognita and Fusarium oxysporum Toward Mustard Essential Oil. FRONTIERS IN PLANT SCIENCE 2021; 12:714730. [PMID: 34512695 PMCID: PMC8427441 DOI: 10.3389/fpls.2021.714730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Accepted: 07/29/2021] [Indexed: 05/17/2023]
Abstract
Environmental concerns related to synthetic pesticides and the emphasis on the adoption of an integrated pest management concept as a cardinal principle have strengthened the focus of global research and development on botanical pesticides. A scientific understanding of the mode of action of biomolecules over a range of pests is key to the successful development of biopesticides. The present investigation focuses on the in silico protein-ligand interactions of allyl isothiocyanate (AITC), a major constituent of black mustard (Brassica nigra) essential oil (MEO) against two pests, namely, Meloidogyne incognita (Mi) and Fusarium oxysporum f. sp. lycopersici (Fol), that cause severe yield losses in agricultural crops, especially in vegetables. The in vitro bioassay results of MEO against Mi exhibited an exposure time dependent on the lethal concentration causing 50% mortality (LC50) values of 47.7, 30.3, and 20.4 μg ml-1 at 24, 48, and 72 h of exposure, respectively. The study revealed short-term nematostatic activity at lower concentrations, with nematicidal activity at higher concentrations upon prolonged exposure. Black mustard essential oil displayed excellent in vitro Fol mycelial growth inhibition, with an effective concentration to cause 50% inhibition (EC50) value of 6.42 μg ml-1. In order to decipher the mechanism of action of MEO, its major component, AITC (87.6%), which was identified by gas chromatography-mass spectrometry (GC-MS), was subjected to in silico docking and simulation studies against seven and eight putative target proteins of Mi and Fol, respectively. Allyl isothiocyanate exhibited the highest binding affinity with the binding sites of acetyl cholinesterase (AChE), followed by odorant response gene-1 (ODR1) and neuropeptide G-protein coupled receptor (nGPCR) in Mi, suggesting the possible suppression of neurotransmission and chemosensing functions. Among the target proteins of Fol, AITC was the most effective protein in blocking chitin synthase (CS), followed by 2,3-dihydroxy benzoic acid decarboxylase (6m53) and trypsinase (1try), thus inferring these as the principal molecular targets of fungal growth. Taken together, the study establishes the potential of MEO as a novel biopesticide lead, which will be utilized further to manage the Mi-Fol disease complex.
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Affiliation(s)
- Anirban Dutta
- Division of Agricultural Chemicals, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Research Institute, New Delhi, India
| | - Abhishek Mandal
- Division of Agricultural Chemicals, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Research Institute, New Delhi, India
| | - Aditi Kundu
- Division of Agricultural Chemicals, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Research Institute, New Delhi, India
| | - Monika Malik
- Division of Nematology, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Research Institute, New Delhi, India
| | - Amrendra Chaudhary
- Division of Plant Pathology, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Research Institute, New Delhi, India
| | - Matiyar Rahaman Khan
- Division of Nematology, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Research Institute, New Delhi, India
| | - Veerubommu Shanmugam
- Division of Plant Pathology, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Research Institute, New Delhi, India
| | - Uma Rao
- Division of Nematology, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Research Institute, New Delhi, India
| | - Supradip Saha
- Division of Agricultural Chemicals, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Research Institute, New Delhi, India
| | - Neeraj Patanjali
- Division of Agricultural Chemicals, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Research Institute, New Delhi, India
| | - Rajesh Kumar
- Division of Agricultural Chemicals, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Research Institute, New Delhi, India
| | - Anil Kumar
- Division of Design of Experiments, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Statistical Research Institute, New Delhi, India
| | - Sukanta Dash
- Division of Design of Experiments, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Statistical Research Institute, New Delhi, India
| | - Pradeep Kumar Singh
- Division of Agricultural Chemicals, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Research Institute, New Delhi, India
| | - Anupama Singh
- Division of Agricultural Chemicals, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Research Institute, New Delhi, India
- *Correspondence: Anupama Singh ;
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Achar PN, Quyen P, Adukwu EC, Sharma A, Msimanga HZ, Nagaraja H, Sreenivasa MY. Investigation of the Antifungal and Anti-Aflatoxigenic Potential of Plant-Based Essential Oils against Aspergillus flavus in Peanuts. J Fungi (Basel) 2020; 6:jof6040383. [PMID: 33371318 PMCID: PMC7767372 DOI: 10.3390/jof6040383] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 12/17/2020] [Accepted: 12/17/2020] [Indexed: 11/21/2022] Open
Abstract
Aspergillus species are known to cause damage to food crops and are associated with opportunistic infections in humans. In the United States, significant losses have been reported in peanut production due to contamination caused by the Aspergillus species. This study evaluated the antifungal effect and anti-aflatoxin activity of selected plant-based essential oils (EOs) against Aspergillus flavus in contaminated peanuts, Tifguard, runner type variety. All fifteen essential oils, tested by the poisoned food technique, inhibited the growth of A. flavus at concentrations ranging between 125 and 4000 ppm. The most effective oils with total clearance of the A. flavus on agar were clove (500 ppm), thyme (1000 ppm), lemongrass, and cinnamon (2000 ppm) EOs. The gas chromatography-mass spectrometry (GC-MS) analysis of clove EO revealed eugenol (83.25%) as a major bioactive constituent. An electron microscopy study revealed that clove EO at 500 ppm caused noticeable morphological and ultrastructural alterations of the somatic and reproductive structures. Using both the ammonia vapor (AV) and coconut milk agar (CMA) methods, we not only detected the presence of an aflatoxigenic form of A. flavus in our contaminated peanuts, but we also observed that aflatoxin production was inhibited by clove EO at concentrations between 500 and 2000 ppm. In addition, we established a correlation between the concentration of clove EO and AFB1 production by reverse-phase high-performance liquid chromatography (HPLC). We demonstrate in our study that clove oil could be a promising natural fungicide for an effective bio-control, non-toxic bio-preservative, and an eco-friendly alternative to synthetic additives against A. flavus in Georgia peanuts.
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Affiliation(s)
- Premila Narayana Achar
- Department of Molecular and Cellular Biology, Kennesaw State University, Kennesaw, GA 30144, USA;
- Correspondence:
| | - Pham Quyen
- Department of Molecular and Cellular Biology, Kennesaw State University, Kennesaw, GA 30144, USA;
| | - Emmanuel C. Adukwu
- Centre for Research in Biosciences, University of the West of England, Bristol BS16 1QY, UK;
| | - Abhishek Sharma
- Amity Food and Agriculture Foundation, Amity University Uttar Pradesh, Noida 201313, India;
| | | | - Hanumanthu Nagaraja
- Department of Studies in Microbiology, University of Mysore, Mysore 570006, India; (H.N.); (M.Y.S.)
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Machine learning approach for predicting Fusarium culmorum and F. proliferatum growth and mycotoxin production in treatments with ethylene-vinyl alcohol copolymer films containing pure components of essential oils. Int J Food Microbiol 2020; 338:109012. [PMID: 33321397 DOI: 10.1016/j.ijfoodmicro.2020.109012] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 11/07/2020] [Accepted: 11/20/2020] [Indexed: 12/21/2022]
Abstract
Fusarium culmorum and F. proliferatum can grow and produce, respectively, zearalenone (ZEA) and fumonisins (FUM) in different points of the food chain. Application of antifungal chemicals to control these fungi and mycotoxins increases the risk of toxic residues in foods and feeds, and induces fungal resistances. In this study, a new and multidisciplinary approach based on the use of bioactive ethylene-vinyl alcohol copolymer (EVOH) films containing pure components of essential oils (EOCs) and machine learning (ML) methods is evaluated. Bioactive EVOH-EOC films were made incorporating cinnamaldehyde (CINHO), citral (CIT), isoeugenol (IEG) or linalool (LIN). Several ML methods (neural networks, random forests and extreme gradient boosted trees) and multiple linear regression (MLR) were applied and compared for modeling fungal growth and toxin production under different water activity (aw) (0.96 and 0.99) and temperature (20 and 28 °C) regimes. The effective doses to reduce fungal growth rate (GR) by 50, 90 and 100% (ED50, ED90, and ED100) of EOCs in EVOH films were in the ranges 200 to >3330, 450 to >3330, and 660 to >3330 μg/fungal culture (25 g of partly milled maize kernels in Petri dish), respectively, depending on the EOC, aw and temperature. The type of EVOH-EOC film and EOC doses significantly affected GR in both species and ZEA and FUM production. Temperature also affected GR and aw only affected GR and FUM production of F. proliferatum. EVOH-CIT was the most effective film against both species and ZEA and FUM production. Usually, when the EOC levels increased, GR and mycotoxin levels in the medium decreased although some treatments in combination with certain aw and temperature values induced ZEA production. Random forest models predicted the GR of F. culmorum and F. proliferatum and ZEA and FUM production better than neural networks or extreme gradient boosted trees. The MLR mode provided the worst performance. This is the first approach on the ML potential in the study of the impact that bioactive EVOH films containing EOCs and environmental conditions have on F. culmorum and F. proliferatum growth and on ZEA and FUM production. The results suggest that these innovative packaging systems in combination with ML methods can be promising tools in the prediction and control of the risks associated with these toxigenic fungi and mycotoxins in food.
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Maximino SC, Dutra JAP, Rodrigues RP, Gonçalves RCR, Morais PAB, Ventura JA, Schuenck RP, Júnior VL, Kitagawa RR, S Borges W. Synthesis of Eugenol Derivatives and Evaluation of their Antifungal Activity Against Fusarium solani f. sp. piperis. Curr Pharm Des 2020; 26:1532-1542. [PMID: 32242782 DOI: 10.2174/1381612826666200403120448] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Accepted: 03/13/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Fusarium solani f. sp. piperis is a phytopathogen that causes one of the most destructive diseases in black pepper crops, resulting in significant economic and crop production losses. Consequently, the control of this fungal disease is a matter of current and relevant interest in agriculture. OBJECTIVE The objective was to synthesize eugenol derivatives with antifungal activity. METHODS In this study, using bimolecular nucleophilic substitution and click chemistry approaches, four new and three known eugenol derivatives were obtained. The eugenol derivatives were characterized and their antifungal and cytotoxic effects were evaluated. RESULTS Eugenol derivative 4 (2-(4-allyl-2-methoxyphenoxy)-3-chloronaphthalene-1,4-dione) was the most active against F. solani f. sp. piperis and showed acceptable cytotoxicity. Compound 4 was two-fold more effective than tebuconazole in an antifungal assay and presented similar cytotoxicity in macrophages. The in silico study of β-glucosidase suggests a potential interaction of 4 with amino acid residues by a cation-π interaction with residue Arg177 followed by a hydrogen bond with Glu596, indicating an important role in the interactions with 4, justifying the antifungal action of this compound. In addition, the cytotoxicity after metabolism was evaluated as a mimic assay with the S9 fraction in HepG2 cells. Compound 4 demonstrated maintenance of cytotoxicity, showing IC50 values of 11.18 ± 0.5 and 9.04 ± 0.2 μg mL-1 without and with the S9 fraction, respectively. In contrast, eugenol (257.9 ± 0.4 and 133.5 ± 0.8 μg mL-1), tebuconazole (34.94 ± 0.2 and 26.76 ± 0.17 μg mL-1) and especially carbendazim (251.0 ± 0.30 and 34.7 ± 0.10 μg mL-1) showed greater cytotoxicity after hepatic biotransformation. CONCLUSION The results suggest that 4 is a potential candidate for use in the design of new and effective compounds that could control this pathogen.
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Affiliation(s)
- Sarah C Maximino
- Graduate Program of Pharmaceutical Sciences, Health Sciences Center, Federal University of Espírito Santo, Avenida Marechal Campos 1468, Maruípe, 29047-105,Vitória, ES, Brazil
| | - Jessyca A P Dutra
- Graduate Program of Pharmaceutical Sciences, Health Sciences Center, Federal University of Espírito Santo, Avenida Marechal Campos 1468, Maruípe, 29047-105,Vitória, ES, Brazil
| | - Ricardo P Rodrigues
- Graduate Program of Pharmaceutical Sciences, Health Sciences Center, Federal University of Espírito Santo, Avenida Marechal Campos 1468, Maruípe, 29047-105,Vitória, ES, Brazil
| | - Rita C R Gonçalves
- Graduate Program of Pharmaceutical Sciences, Health Sciences Center, Federal University of Espírito Santo, Avenida Marechal Campos 1468, Maruípe, 29047-105,Vitória, ES, Brazil
| | - Pedro A B Morais
- Department of Chemistry and Physics, Exact, Natural and Health Sciences Center, Federal University of Espírito Santo, Alto Universitário, s/n, Guararema, Alegre, ES, Brazil
| | - José A Ventura
- Capixaba Institute for Research, Technical Assistance and Rural Extension, Rua Afonso Sarlo 160, Bento Ferreira, 29052-010, Vitória, ES, Brazil
| | - Ricardo P Schuenck
- Graduate Program of Pharmaceutical Sciences, Health Sciences Center, Federal University of Espírito Santo, Avenida Marechal Campos 1468, Maruípe, 29047-105,Vitória, ES, Brazil
| | - Valdemar Lacerda Júnior
- Department of Chemistry, Exact Sciences Center, Federal University of Espírito Santo, Avenida Fernando Ferrari 514, Goiabeiras, 29075-910, Vitória, ES, Brazil
| | - Rodrigo R Kitagawa
- Graduate Program of Pharmaceutical Sciences, Health Sciences Center, Federal University of Espírito Santo, Avenida Marechal Campos 1468, Maruípe, 29047-105,Vitória, ES, Brazil
| | - Warley S Borges
- Graduate Program of Pharmaceutical Sciences, Health Sciences Center, Federal University of Espírito Santo, Avenida Marechal Campos 1468, Maruípe, 29047-105,Vitória, ES, Brazil.,Department of Chemistry, Exact Sciences Center, Federal University of Espírito Santo, Avenida Fernando Ferrari 514, Goiabeiras, 29075-910, Vitória, ES, Brazil
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Swelling of biodegradable polymers for the production of nanocapsules and films with the incorporation of essential oils. Polym Bull (Berl) 2020. [DOI: 10.1007/s00289-020-03465-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Li QQ, Huo YY, Chen CJ, Zeng ZY, Xu FR, Cheng YX, Dong X. Biological Activities of Two Essential Oils from Pogostemon cablin and Eupatorium fortunei and Their Major Components against Fungi Isolated from Panax notoginseng. Chem Biodivers 2020; 17:e2000520. [PMID: 33184961 DOI: 10.1002/cbdv.202000520] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 10/12/2020] [Indexed: 11/07/2022]
Abstract
Panax notoginseng (Burkill) F.H.Chen (Araliaceae), of which the dry root and rhizome are precious traditional Chinese medicine, suffers severely from diseases during planting. Essential oils (EOs) with antimicrobial activity are a possibility for the development of green pesticides. We extracted EOs from Pogostemon cablin (Blanco) Benth. and Eupatorium fortunei Turcz., respectively and tested their inhibitory rates on fungi isolated from diseased P. notoginseng by the Oxford cup method. The compounds of the EO were identified by GC/MS and the minimum inhibitory concentrations (MICs) of the EOs and their main components were evaluated by the 96-well plate method. We also mixed P. cablin EO, E. fortunei EO and hymexazol in pairs to explore whether their combinations produce stronger antifungal effects than individual components. Finally, we evaluated the effects of the EOs against Fusarium oxysporum in vivo. P. cablin EO and E. fortunei EO exhibited different antifungal activities against fungi, with the inhibitory rates of 21.02 %-100 % and 54.84 %-100 % and MICs of 0.07-0.88 mg/mL and 0.20-1.17 mg/mL, respectively. Pogostone (24.96 %) and thymol (15.64 %) were the major compounds of P. cablin EO and E. fortunei EO, respectively, and they exhibited stronger antifungal activities than EOs, with MICs of 0.008-0.078 mg/mL and 0.12-0.31 mg/mL, respectively. Moreover, hymexazol was mixed with E. fortunei EO, and the inhibitory effect against Cylindrocarpon destructans was enhanced with a synergistic effect. The disease incidence and disease index of EO treatments decreased significantly in vivo. Based on our study, P. cablin EO and E. fortunei EO have great potential to be developed into green fungicides for use in agriculture to control diseases of P. notoginseng.
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Affiliation(s)
- Qing-Qing Li
- School of Chinese Materia Medica, Yunnan University of Chinese Medicine, Kunming, 650500, P. R. China
| | - Ying-Ying Huo
- School of Chinese Materia Medica, Yunnan University of Chinese Medicine, Kunming, 650500, P. R. China
| | - Chuan-Jiao Chen
- School of Chinese Materia Medica, Yunnan University of Chinese Medicine, Kunming, 650500, P. R. China
| | - Zi-Ying Zeng
- School of Chinese Materia Medica, Yunnan University of Chinese Medicine, Kunming, 650500, P. R. China.,Guangdong Key Laboratory for Genome Stability and Disease Prevention, School of Pharmaceutical Sciences, Shenzhen University Health Science Center, Shenzhen, 518060, P. R. China
| | - Fu-Rong Xu
- School of Chinese Materia Medica, Yunnan University of Chinese Medicine, Kunming, 650500, P. R. China
| | - Yong-Xian Cheng
- School of Chinese Materia Medica, Yunnan University of Chinese Medicine, Kunming, 650500, P. R. China.,Guangdong Key Laboratory for Genome Stability and Disease Prevention, School of Pharmaceutical Sciences, Shenzhen University Health Science Center, Shenzhen, 518060, P. R. China
| | - Xian Dong
- School of Chinese Materia Medica, Yunnan University of Chinese Medicine, Kunming, 650500, P. R. China
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Bouhlali EDT, Derouich M, Ben-Amar H, Meziani R, Essarioui A. Exploring the potential of using bioactive plant products in the management of Fusarium oxysporum f.sp. albedinis: the causal agent of Bayoud disease on date palm (Phoenix dactylifera L.). BENI-SUEF UNIVERSITY JOURNAL OF BASIC AND APPLIED SCIENCES 2020. [DOI: 10.1186/s43088-020-00071-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Abstract
Background
“Bayoud” disease caused by Fusarium oxysporum f. sp. albedinis (Foa) poses a serious threat to date palm (Phoenix dactylifera L.) in Morocco. However, research studies performed to discover biological methods to control this disease remain limited. The present study has set objectives to determine antifungal activity of five plants extracts (Acacia cyanophylla, Cupressus atlantica, Eucalyptus torquata, Nerium oleander, and Schinus molle) against Foa and link this effect to their content in polyphenols and flavonoids as well as their antioxidant properties.
Results
Plant extracts showed significant differences (p < 0.05) regarding their antifungal activity. The extracts of E. torquata and C. atlantica showed the strongest antifungal effect resulting in the inhibition of mycelial growth, sporulation, and spore germination in a dose-dependent manner. In addition, there were significant differences among the examined plant extracts in respect to their total polyphenols (1.536–7.348 g GAE/100 g DW), flavonoids (0.986–5.759 g RE/100 g DW), and antioxidant properties measured by Trolox equivalent antioxidant capacity (TEAC) (7.47–38.97 mmol TE/100 g DW) and ferric-reducing antioxidant power (FRAP) assay (8.95–47.36 mmol TE/100 g DW). Moreover, the antifungal potential of plant extracts was found to be moderately to strongly correlated with their polyphenol and flavonoid contents as well as their antioxidant activity, implying that the effective inhibitory activity of these plant extracts is partly due to their richness in antioxidative secondary metabolites.
Conclusion
Our findings shed further light on plants as a-yet-untapped resource of bioactive compounds and constructed the foundation for the development of new biological approaches to best manage Bayoud disease.
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Sattary M, Amini J, Hallaj R. Antifungal activity of the lemongrass and clove oil encapsulated in mesoporous silica nanoparticles against wheat's take-all disease. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2020; 170:104696. [PMID: 32980050 DOI: 10.1016/j.pestbp.2020.104696] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 08/23/2020] [Accepted: 08/24/2020] [Indexed: 05/27/2023]
Abstract
Combined application of plant essential oils (EOs) with known antimicrobial effects and silica nanocapsules with high loading capacity and protection capability of the EOs make them proper candidates for creating environmentally friendly fungicides. In this study, EOs of the Lemongrass (LGO) and Clove (CO) were used against Gaeumannomyces graminis var. tritici (Ggt), a causal agent of take-all disease of wheat. To provide controlled delivery of the EOs, they were encapsulated into mesoporous silica nanoparticles (MSNPs) and then compared to the effects of pure EOs both in- vitro and in- vivo. MSNPs were synthesized via the sol-gel process. Various techniques such as Fourier transform infrared spectroscopy (FTIR), the Brunauer-Emmett-Teller (BET), thermogravimetric analysis (TGA), and UV-Vis spectroscopy were used to evaluate the successful loading of the EOs into the pore of MSNPs. The encapsulation efficiency (EE) was calculated as high as 84.24% for LGO and 80.69% for CO, while loading efficiency (LE) was determined 36% and 29% for LGO and CO, respectively. Scanning electron microscopy (SEM) and transmission electron microscopy (TEM) displayed spherical shapes and porous structures with average diameters of 50-70 nm. Recognition of the main components of the EOs via gas chromatographic-mass spectrometry (GC-MS) before and after the EO loading, detected eugenol and citral as the most frequent compounds in LGO and CO, respectively. For antifungal test in- vitro, selected concentrations of the pure EOs, EOs loaded in MSNPs (EOs- MSNPs) and Mancozeb ® fungicide based on pre-tests were mixed using potato dextrose agar (PDA). The inhibition percentage (IP) of fungal growth at each concentration, as well as minimum inhibition concentration (MIC) and minimum fungicidal concentrations (MFC) were obtained. The results indicated that antifungal effects in the encapsulated form increased by up to three times. In- vivo, the sterile wheat seeds were treated with pure EOs, EOs-MSNPs, and mancozeb at MFC concentration. Also, in order to keep on the EOs-MSNPs around the seeds, sodium alginate was used. The consequences of in- vivo experiments indicated that rate of disease control in presence of EOs-MSNPs and mancozeb was the same (~70%) and higher than pure EOs (LGO: 57.44%, CO: 49%). Also, improving the growth parameters in wheat plant, the covering of the EOs-MSNPs in alginate, had better control (84%) than that of EOs-MSNPs alone. Further, the release kinetics studies showed a gradual release of LGO and CO from MSNPs for four weeks in water and for five weeks in the soil-plant system. To the best of our knowledge, this is the first report of the control effect of LGO, CO, and their nanocapsule in MSNPs against the take-all disease of wheat. These results showed that the EOs-MSNPs can be a safe product for the efficient control of take-all disease in wheat crop.
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Affiliation(s)
- Maryam Sattary
- Department of Plant Protection, Faculty of Agriculture, University of Kurdistan, Sanandaj, Iran
| | - Jahanshir Amini
- Department of Plant Protection, Faculty of Agriculture, University of Kurdistan, Sanandaj, Iran.
| | - Rahman Hallaj
- Department of Chemistry, Faculty of Sciences, University of Kurdistan, Sanandaj, Iran; Nanotechnology Research Center, University of Kurdistan, P.O. Box 416, Sanandaj, Iran
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Antibacterial, Antifungal, Antimycotoxigenic, and Antioxidant Activities of Essential Oils: An Updated Review. Molecules 2020; 25:molecules25204711. [PMID: 33066611 PMCID: PMC7587387 DOI: 10.3390/molecules25204711] [Citation(s) in RCA: 106] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Revised: 10/11/2020] [Accepted: 10/13/2020] [Indexed: 01/19/2023] Open
Abstract
The interest in using natural antimicrobials instead of chemical preservatives in food products has been increasing in recent years. In regard to this, essential oils-natural and liquid secondary plant metabolites-are gaining importance for their use in the protection of foods, since they are accepted as safe and healthy. Although research studies indicate that the antibacterial and antioxidant activities of essential oils (EOs) are more common compared to other biological activities, specific concerns have led scientists to investigate the areas that are still in need of research. To the best of our knowledge, there is no review paper in which antifungal and especially antimycotoxigenic effects are compiled. Further, the low stability of essential oils under environmental conditions such as temperature and light has forced scientists to develop and use recent approaches such as encapsulation, coating, use in edible films, etc. This review provides an overview of the current literature on essential oils mainly on antifungal and antimycotoxigenic but also their antibacterial and antioxidant activities. Additionally, the recent applications of EOs including encapsulation, edible coatings, and active packaging are outlined.
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Inhibition of mold growth on the surface of dried persimmons using combined treatments of UV-C light and clove oil. INNOV FOOD SCI EMERG 2020. [DOI: 10.1016/j.ifset.2020.102336] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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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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Edible coatings in post-harvest papaya: impact on physical-chemical and sensory characteristics. Journal of Food Science and Technology 2020; 57:274-281. [PMID: 31975730 DOI: 10.1007/s13197-019-04057-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 08/13/2019] [Accepted: 08/21/2019] [Indexed: 11/27/2022]
Abstract
The aim of the present study was to characterize the physical-chemical and sensory attributes of two papaya varieties (Aliança and Golden THB) (Carica papaya L.) coated with different solutions of manioc starch and clove essential oil (Syzygium aromaticum L. Merr. et Perry). Four different treatments were studied in papaya fruits at ripening stage 1: T0 (control); T1 (fruits coated with a solution of manioc starch); T2 (fruits coated with clove essential oil at 0.175 mL L-1); T3 (solution of manioc starch with clove essential oil-0.175 mL L-1). The physical-chemical and sensory analyses were conducted in the fruits at ripening stage 5. The edible coatings did not influence the physical-chemical characteristics of the two varieties. Those fruits coated with manioc starch reported a good sensory acceptance not differing statistically from the control fruits in the majority of the attributes studied. By evaluating the purchase intention regarding the variety Aliança, all the treatments reported good levels of acceptance, with higher scores in the option "would certainly buy". After the sensory evaluation, treatment T3 reported a purchase intention of 80%. It was concluded that the edible coatings did not influence the physical-chemical characteristics of the fruits, however, they influenced the sensory acceptance of the tasters. For the variety Aliança, the application of treatment T3 is recommended, while for Golden THB, treatments T1 and T2 are recommended due to their similarity to the control.
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Zhang X, Wang H, Zhu W, Li W, Wang F. Transcriptome Analysis Reveals the Effects of Chinese Chive (Allium tuberosum R.) Extract on Fusarium oxysporum f. sp. radicis-lycopersici Spore Germination. Curr Microbiol 2020; 77:855-864. [PMID: 31932997 DOI: 10.1007/s00284-020-01875-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Accepted: 01/02/2020] [Indexed: 10/25/2022]
Abstract
Fusarium oxysporum f. sp. radicis-lycopersici (Forl) causes Fusarium crown and root rot of tomato, leading to severe yield losses. Chinese chive and the Chinese chive extract reportedly have antifungal effects. In this study, Chinese chive extract treatments inhibited Forl spore germination, with an EC50 of 0.40 g ml-1 in vitro. Furthermore, the mechanism underlying the fungicidal effects of the Chinese chive extract was analyzed by RNA sequencing. A total of 1252 differentially expressed genes (DEGs) were detected, of which 396 were upregulated and 856 were downregulated. The DEGs were related to starch and sucrose metabolism, amino sugar and nucleotide sugar metabolism, galactose metabolism, fatty acid metabolism, sphingolipid metabolism, glycerophospholipid metabolism, peroxisomes, ribosome biogenesis in eukaryotes, mismatch repair, and the phosphatidylinositol signaling system, implying these pathways contribute to the fungicidal activity of the Chinese chive extract. The qRT-PCR results verified the accuracy of the RNA sequencing data. Thus, the Chinese chive extract can inhibit Forl spore germination by affecting spore nutrient metabolism.
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Affiliation(s)
- Xiu Zhang
- College of Horticulture, Qingdao Agricultural University, Qingdao, 266109, China
| | - Hui Wang
- College of Horticulture, Qingdao Agricultural University, Qingdao, 266109, China
| | - Wenying Zhu
- College of Horticulture, Qingdao Agricultural University, Qingdao, 266109, China
| | - Wenli Li
- College of Horticulture, Qingdao Agricultural University, Qingdao, 266109, China
| | - Fu Wang
- College of Horticulture, Qingdao Agricultural University, Qingdao, 266109, China.
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Krzyśko-Łupicka T, Sokół S, Piekarska-Stachowiak A. Evaluation of Fungistatic Activity of Eight Selected Essential Oils on Four Heterogeneous Fusarium Isolates Obtained from Cereal Grains in Southern Poland. Molecules 2020; 25:E292. [PMID: 31936864 PMCID: PMC7024206 DOI: 10.3390/molecules25020292] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 01/05/2020] [Accepted: 01/08/2020] [Indexed: 12/13/2022] Open
Abstract
The aim of the study was to determine the relationship between the chemical composition of eight commercial essential oils (EsO) (garlic, grapefruit, lemon grass, tea tree, thyme, verbena, cajeput, and Litsea cubeba) and their fungistatic activity in relation to four species of Fusarium: F. avenaceum, F. culmorum, F. graminearum, and F. oxysporum. The species identification of Fusarium isolates was confirmed by matrix-assisted laser desorption/ionization time-of-flight (MALDI-TOF) mass spectrometer. The determination of qualitative and quantitative chemical composition of the EsO was carried out using the gas chromatography-mass spectrometry (GC-MS) method. The fungistatic activity of EsO was assessed by using the method of poisoned substrates. The data were compiled in the STATISTICA 13.0 program. The chemical composition of the tested oils varied; the dominant fraction, except for grapefruit and garlic oils, were monoterpenoids. The greatest similarity to the action of the synthetic pesticide Funaben T was found in four oils, i.e., thyme, lemongrass, verbena, and Litsea cubeba. The studies showed that F. oxysporum and F. avenaceum were characterized by a higher resistance to low oil concentrations, and F. culmorum and F. graminearum by sensitivity. The fungicidal activity of two EsO-dominant monoterpenoids-thymol and citral-has been confirmed.
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Affiliation(s)
- Teresa Krzyśko-Łupicka
- Institute of Environmental Engineering and Biotechnology, Faculty of Natural and Technical Sciences, University of Opole, Kominka 6A, 45-035 Opole, Poland
| | - Sławomir Sokół
- Institute of Biology, Faculty of Natural and Technical Sciences, University of Opole, Oleska 22, 45-052 Opole, Poland;
| | - Anna Piekarska-Stachowiak
- Institute of Biology, Biotechnology an Environmental Protection, Faculty of Natural Sciences, University of Silesia in Katowice, Jagiellońska 28, 40-032 Katowice, Poland;
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Karpiński TM. Essential Oils of Lamiaceae Family Plants as Antifungals. Biomolecules 2020; 10:biom10010103. [PMID: 31936168 PMCID: PMC7023020 DOI: 10.3390/biom10010103] [Citation(s) in RCA: 83] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 01/03/2020] [Accepted: 01/06/2020] [Indexed: 12/29/2022] Open
Abstract
The incidence of fungal infections has been steadily increasing in recent years. Systemic mycoses are characterized by the highest mortality. At the same time, the frequency of infections caused by drug-resistant strains and new pathogens e.g., Candida auris increases. An alternative to medicines may be essential oils, which can have a broad antimicrobial spectrum. Rich in the essential oils are plants from the Lamiaceae family. In this review are presented antifungal activities of essential oils from 72 Lamiaceae plants. More than half of these have good activity (minimum inhibitory concentrations (MICs) < 1000 µg/mL) against fungi. The best activity (MICs < 100) have essential oils from some species of the genera Clinopodium, Lavandula, Mentha, Thymbra, and Thymus. In some cases were observed significant discrepancies between different studies. In the review are also shown the most important compounds of described essential oils. To the chemical components most commonly found as the main ingredients include β-caryophyllene (41 plants), linalool (27 plants), limonene (26), β-pinene (25), 1,8-cineole (22), carvacrol (21), α-pinene (21), p-cymene (20), γ-terpinene (20), and thymol (20).
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Affiliation(s)
- Tomasz M Karpiński
- Department of Medical Microbiology, Poznań University of Medical Sciences, Wieniawskiego 3, 61-712 Poznań, Poland
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