Effect of the essential oils of Satureja montana L., Myristica fragrans H. and Cymbopogon flexuosus S. on mycotoxin-producing Aspergillus flavus and Aspergillus ochraceus antifungal properties of essential oils

ABSTRACT Essential oils can be a useful alternative to the use of synthetic fungicides because they have biological potential and are relatively safe for food and agricultural products. The objectives of the present study were to evaluate the antifungal and antimycotoxigenic activities of the essent...

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Veröffentlicht in:FEMS microbiology letters 2021-10, Vol.368 (19), p.1
Hauptverfasser: Rezende, Danubia Aparecida de Carvalho Selvati, Cardoso, Maria das Graças, Alves, Eduardo, Brandão, Rafaela Magalhães, Ferreira, Vanuzia Rodrigues Fernandes, Caetano, Alex Rodrigues Silva, Lunguinho, Allan da Silva, Campolina, Gabriela Aguiar, Nelson, David Lee, Batista, Luís Roberto
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container_issue 19
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container_title FEMS microbiology letters
container_volume 368
creator Rezende, Danubia Aparecida de Carvalho Selvati
Cardoso, Maria das Graças
Alves, Eduardo
Brandão, Rafaela Magalhães
Ferreira, Vanuzia Rodrigues Fernandes
Caetano, Alex Rodrigues Silva
Lunguinho, Allan da Silva
Campolina, Gabriela Aguiar
Nelson, David Lee
Batista, Luís Roberto
description ABSTRACT Essential oils can be a useful alternative to the use of synthetic fungicides because they have biological potential and are relatively safe for food and agricultural products. The objectives of the present study were to evaluate the antifungal and antimycotoxigenic activities of the essential oils from Satureja montana L., Myristica fragrans H. and Cymbopogon flexuosus S. against Aspergillus flavus and Aspergillus ochraceus, as well as their effects on ergosterol synthesis and membrane morphology. The antifungal potential was evaluated by mycelial growth analysis and scanning electron microscopy. Fungicidal effects against A. flavus, with MFC of 0.98, 15.62 and 0.98 µL/mL, respectively, were observed for the essential oils from S. montana, M. fragrans and C. flexuosus. Aspergillus ochraceus did not grow in the presence of concentrations of 3.91, 15.62 and 0.98 µL/mL of the essential oils from S. montana, M. fragrans and C. flexuosus, respectively. The essential oils significantly inhibited the production of ochratoxin A by the fungus A. ochraceus. The essential oils also inhibited the production of aflatoxin B1 and aflatoxin B2. The biosynthesis of ergosterol was inhibited by the applied treatments. Biological activity in the fungal cell membrane was observed in the presence of essential oils, given that deleterious effects on the morphologies of the fungi were detected. The essential oils under study are promising as food preservatives because they significantly inhibit toxigenic fungi that contaminate food. In addition, the essential oils hindered the biosynthesis of mycotoxins. Antifungal properties of essential oils.
doi_str_mv 10.1093/femsle/fnab137
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The objectives of the present study were to evaluate the antifungal and antimycotoxigenic activities of the essential oils from Satureja montana L., Myristica fragrans H. and Cymbopogon flexuosus S. against Aspergillus flavus and Aspergillus ochraceus, as well as their effects on ergosterol synthesis and membrane morphology. The antifungal potential was evaluated by mycelial growth analysis and scanning electron microscopy. Fungicidal effects against A. flavus, with MFC of 0.98, 15.62 and 0.98 µL/mL, respectively, were observed for the essential oils from S. montana, M. fragrans and C. flexuosus. Aspergillus ochraceus did not grow in the presence of concentrations of 3.91, 15.62 and 0.98 µL/mL of the essential oils from S. montana, M. fragrans and C. flexuosus, respectively. The essential oils significantly inhibited the production of ochratoxin A by the fungus A. ochraceus. The essential oils also inhibited the production of aflatoxin B1 and aflatoxin B2. The biosynthesis of ergosterol was inhibited by the applied treatments. Biological activity in the fungal cell membrane was observed in the presence of essential oils, given that deleterious effects on the morphologies of the fungi were detected. The essential oils under study are promising as food preservatives because they significantly inhibit toxigenic fungi that contaminate food. In addition, the essential oils hindered the biosynthesis of mycotoxins. 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Published by Oxford University Press on behalf of FEMS. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com 2021</rights><rights>The Author(s) 2021. Published by Oxford University Press on behalf of FEMS. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.</rights><rights>COPYRIGHT 2021 Oxford University Press</rights><rights>The Author(s) 2021. Published by Oxford University Press on behalf of FEMS. All rights reserved. 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The objectives of the present study were to evaluate the antifungal and antimycotoxigenic activities of the essential oils from Satureja montana L., Myristica fragrans H. and Cymbopogon flexuosus S. against Aspergillus flavus and Aspergillus ochraceus, as well as their effects on ergosterol synthesis and membrane morphology. The antifungal potential was evaluated by mycelial growth analysis and scanning electron microscopy. Fungicidal effects against A. flavus, with MFC of 0.98, 15.62 and 0.98 µL/mL, respectively, were observed for the essential oils from S. montana, M. fragrans and C. flexuosus. Aspergillus ochraceus did not grow in the presence of concentrations of 3.91, 15.62 and 0.98 µL/mL of the essential oils from S. montana, M. fragrans and C. flexuosus, respectively. The essential oils significantly inhibited the production of ochratoxin A by the fungus A. ochraceus. The essential oils also inhibited the production of aflatoxin B1 and aflatoxin B2. The biosynthesis of ergosterol was inhibited by the applied treatments. Biological activity in the fungal cell membrane was observed in the presence of essential oils, given that deleterious effects on the morphologies of the fungi were detected. The essential oils under study are promising as food preservatives because they significantly inhibit toxigenic fungi that contaminate food. In addition, the essential oils hindered the biosynthesis of mycotoxins. Antifungal properties of essential oils.</abstract><cop>England</cop><pub>Oxford University Press</pub><pmid>34718530</pmid><doi>10.1093/femsle/fnab137</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0001-8075-1725</orcidid><oa>free_for_read</oa></addata></record>
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issn 1574-6968
0378-1097
1574-6968
language eng
recordid cdi_proquest_miscellaneous_2591219669
source MEDLINE; Oxford University Press Journals All Titles (1996-Current); Alma/SFX Local Collection
subjects Aflatoxin B1
Aflatoxins
Agricultural products
Antifungal Agents - pharmacology
Aspergillus
Aspergillus flavus
Aspergillus flavus - drug effects
Aspergillus ochraceus
Aspergillus ochraceus - drug effects
Biological activity
Biosynthesis
Cell membranes
Chemical properties
Control
Cymbopogon - chemistry
Cymbopogon flexuosus
Ergosterol
Ergosterol - biosynthesis
Essences and essential oils
Essential oils
Food
Food contamination
Fungi
Fungicides
Microbiology
Montana
Morphology
Mycelia
Mycotoxins
Myristica - chemistry
Myristica fragrans
Ochratoxin A
Oils & fats
Oils, Volatile - pharmacology
Pharmaceutical research
Preservatives
Prevention
Satureja - chemistry
Satureja montana
Scanning electron microscopy
title Effect of the essential oils of Satureja montana L., Myristica fragrans H. and Cymbopogon flexuosus S. on mycotoxin-producing Aspergillus flavus and Aspergillus ochraceus antifungal properties of essential oils
url https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2024-12-24T13%3A36%3A29IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-gale_proqu&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Effect%20of%20the%20essential%20oils%20of%20Satureja%20montana%20L.,%20Myristica%20fragrans%20H.%20and%20Cymbopogon%20flexuosus%20S.%20on%20mycotoxin-producing%20Aspergillus%20flavus%20and%20Aspergillus%20ochraceus%20antifungal%20properties%20of%20essential%20oils&rft.jtitle=FEMS%20microbiology%20letters&rft.au=Rezende,%20Danubia%20Aparecida%20de%20Carvalho%20Selvati&rft.date=2021-10-01&rft.volume=368&rft.issue=19&rft.spage=1&rft.pages=1-&rft.issn=1574-6968&rft.eissn=1574-6968&rft_id=info:doi/10.1093/femsle/fnab137&rft_dat=%3Cgale_proqu%3EA700408553%3C/gale_proqu%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=2596451555&rft_id=info:pmid/34718530&rft_galeid=A700408553&rft_oup_id=10.1093/femsle/fnab137&rfr_iscdi=true