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Natural solutions for grape pathogen control: chemical analysis and bioactivity evaluation of plant extracts

2023Documento de conferência Acesso aberto
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datacite.subject.fosEngenharia e Tecnologia::Biotecnologia Industrial
datacite.subject.sdg09:Indústria, Inovação e Infraestruturas
dc.contributor.authorArdohain, Elizandra
dc.contributor.authorMarx, Ítala
dc.contributor.authorRodrigues, Paula
dc.contributor.authorAfonso, Andreia
dc.contributor.authorOliveira, Izamara
dc.contributor.authorPires, Tânia C.S.P.
dc.contributor.authorBarros, Lillian
dc.contributor.authorHeleno, Sandrina A.
dc.date.accessioned2026-05-14T08:47:55Z
dc.date.available2026-05-14T08:47:55Z
dc.date.issued2023
dc.description.abstractPeels from orange (Citrus sinensis L.) are often considered processing waste. Citrus peels contain bioactive compounds such as organic acids that have important biological properties [1]. In addition, fennel (Foeniculum vulgare Mill.) and sage (Salvia officinalis L.) are widely used herbs that have been used for medicinal purposes and human consumption for centuries. The leaves of these herbs contain polyphenols, which are antioxidant and antifungal compounds such as flavonoids [2,3]. To explore the potential of these plants as natural antifungals, this study aimed to analyze the phenolic compounds in extracts of fennel and sage leaves using HPLC-DAD/ESI-MS, after a maceration process. The study also evaluated the organic acids present in orange peels using HPLC-DAD. Finally, the antimicrobial potential of the plant extracts against food contaminants, including grapevine pathogens such as Botrytis cinerea, was tested using the microdilution method. This study found that the highest concentration of polyphenols in the leaves of sage and fennel were the flavonoids luteolin-7-O-glucuronide and quercetin-3-O-glucuronide, respectively. Sage leaves extract contained 69% of flavonoids and 31% of phenolic acids, while fennel leaves extract was richer in phenolic acids, corresponding to 61%, and the flavonoids were found in lower concentrations, corresponding to 39% of total phenolic composition. The concentration of organic acids in orange peels was 8±0.1g/100g dw, with citric acid being the main compound found, corresponding to 75%, while ascorbic acid corresponding to 18% of total organic acids determined. In this study, oxalic and quinic acids were also found in orange peels extract. All plant extracts demonstrated the ability to inhibit the growth of B. cinerea at a concentration of 10 mg/mL, indicating their potential as natural antifungals against this grapevine pathogen. Thus, these plant extracts have the potential to act as natural antimicrobials, showing promising results for disease control in grapevines. In this sense, the valorization of these plant extracts could generate significant economic benefits for the wine industry.eng
dc.description.sponsorshipFoundation for Science and Technology (FCT, Portugal) for financial support through national funds FCT/MCTES to the CIMO (UIDB/00690/2020 and UIDP/00690/2020) and SusTEC (LA/P/0007/2021). S.S. Heleno and L. Barros also thank the national funding by FCT through the institutional scientific employment program–contract for their contract. FEDER through the North 2020 Regional Operational Program to the R&D project “PreVineGrape: Desenvolvimento de um biofungicida para combate a doenças da videira” (POCI-01- 0247-FEDER-049695) (NORTE-01-0247-FEDER- 113508).
dc.identifier.citationMarx, Ítala; Ardohain, Elizandra; Rodrigues, Paula; Afonso, Andreia; Pires, Tânia C.S.P.; Barros, Lillian; Heleno, Sandrina A. (2023). Natural solutions for grape pathogen control: chemical analysis and bioactivity evaluation of plant extracts. In II International Congress on Science, Biodiversity and Sustainability. Brasil
dc.identifier.urihttp://hdl.handle.net/10198/36659
dc.language.isoeng
dc.peerreviewedyes
dc.publisherUniversidade Federal de Minas Gerais
dc.relationMountain Research Center - UIDB/00690/2020
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectPolyphenols
dc.subjectCitrus sinensis L.
dc.subjectFoeniculum vulgare Mill.
dc.subjectSalvia officinalis L.
dc.subjectBotrytis cinerea
dc.subjectAntimicrobial activity
dc.titleNatural solutions for grape pathogen control: chemical analysis and bioactivity evaluation of plant extractseng
dc.typeconference object
dspace.entity.typePublication
oaire.awardNumberUIDB/00690/2020
oaire.awardTitleMountain Research Center - UIDB/00690/2020
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00690%2F2020/PT
oaire.citation.conferenceDate2023
oaire.citation.conferencePlaceUniversidade Federal de Minas Gerais, Brasil
oaire.citation.endPage312
oaire.citation.startPage312
oaire.citation.titleBook of abstracts of the II International Congress on Science, Biodiversity and Sustainability (SCIBIOSUS)
oaire.fundingStream6817 - DCRRNI ID
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameMarx
person.familyNameRodrigues
person.familyNameOliveira
person.familyNamePires
person.familyNameBarros
person.familyNameHeleno
person.givenNameÍtala
person.givenNamePaula
person.givenNameIzamara
person.givenNameTânia C.S.P.
person.givenNameLillian
person.givenNameSandrina A.
person.identifier1676851
person.identifier2118829
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person.identifier.ciencia-id2717-C420-DEAE
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person.identifier.orcid0000-0002-7049-2114
person.identifier.orcid0000-0002-3789-2730
person.identifier.orcid0000-0002-2274-2166
person.identifier.orcid0000-0002-3954-3833
person.identifier.orcid0000-0002-9050-5189
person.identifier.orcid0000-0001-7224-1098
person.identifier.ridGLV-5485-2022
person.identifier.ridQ-2842-2018
person.identifier.ridJ-3600-2013
person.identifier.ridL-5951-2014
person.identifier.scopus-author-id57191503603
person.identifier.scopus-author-id7102639646
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person.identifier.scopus-author-id35236343600
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project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
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