Repository logo
 
Publication

Potential of portuguese viticulture by-products as natural resources of bioactive compounds—antioxidant and antimicrobial activities

2024-07-18Journal article Open access
Simple item page
dc.contributor.authorFerreira da Vinha, Ana
dc.contributor.authorSilva, Carla Sousa e
dc.contributor.authorVilela, Andreia
dc.contributor.authorFerreira, Joana
dc.contributor.authorMedeiros, R.
dc.contributor.authorCerqueira, Fátima
dc.date.accessioned2024-08-06T13:43:20Z
dc.date.available2024-08-06T13:43:20Z
dc.date.issued2024-07-18
dc.description.abstractVitis vinifera is the grape variety used in the production of wine and other products. In the wine production process, many of the vine’s by-products are wasted, namely seeds and stems. Given the proportion of wine production worldwide, the quantity of by-products is beginning to be an environmental problem, making it urgent to take measures for their use to obtain bioactive compounds with health benefits. The aim of this work was to study the antioxidant and antimicrobial activities of extracts from the seeds and stems of four Portuguese grape varieties: Touriga Franca, Touriga Nacional, Viosinho, and Tinta Roriz. Total phenolic (TPC) and total flavonoids (TFC) contents present in the different extracts were evaluated, as well as the antioxidant activity, by DPPH and FRAP methods. TPC and TFC values of the stem’s extracts are much higher than those of the seeds of the same grape variety in the same solvent. The antioxidant activity of aqueous and ethanolic stem extracts is higher than that obtained for the seeds, showing that antioxidant activity is related to the content of polyphenols. The antimicrobial activity of different stem and seed extracts was determined against yeasts and Gram-positive and Gram-negative bacteria, and the effect was determined based on the minimal inhibitory concentrations calculated (MIC). In general, the ethanol:water (1:1) extract of the seeds from the different varieties tested inhibited C. albicans ATCC10231 and C. krusei ATCC6258 growth even at 200 μg/mL, and the effect was fungicidal at 200 μg/mL. The same type of extract showed selective antimicrobial activity, inhibiting S. aureus ATCC29213 growth but having no effect against E. coli ATCC25922 even at 200 μg/mL. The effect against S. aureus was bactericidal (at 200 μg/mL) for Touriga Franca, Touriga Nacional, and Viosinho. Taking all these results into account, it can be concluded that the by-products of the grape varieties tested are important sources of bioactive products, particularly as antioxidants and antimicrobials.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationVinha, A.F.; Sousa, C.; Vilela, A.; Ferreira, J.; Medeiros, R.; Cerqueira, F. Potential of portuguese viticulture by-products as natural resources of bioactive compounds— antioxidant and antimicrobial activities. Appl. Sci. 2024, 14, 6278. https://doi.org/10.3390/ app14146278pt_PT
dc.identifier.doi10.3390/ app14146278pt_PT
dc.identifier.eissn2076-3417
dc.identifier.urihttp://hdl.handle.net/10284/13154
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.relation.publisherversionhttps://www.mdpi.com/2076-3417/14/14/6278pt_PT
dc.subjectBy-productspt_PT
dc.subjectVinept_PT
dc.subjectTouriga Francapt_PT
dc.subjectTouriga Nacionalpt_PT
dc.subjectViosinhopt_PT
dc.subjectTinta Rorizpt_PT
dc.subjectAntioxidantspt_PT
dc.subjectPhenolics compoundspt_PT
dc.subjectAntibacterialpt_PT
dc.subjectAntifungalpt_PT
dc.titlePotential of portuguese viticulture by-products as natural resources of bioactive compounds—antioxidant and antimicrobial activitiespt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.issue14pt_PT
oaire.citation.startPage6278pt_PT
oaire.citation.titleApplied Sciencespt_PT
oaire.citation.volume14pt_PT
person.familyNameMendes Ferreira da Vinha
person.familyNameSilva
person.familyNameMedeiros
person.familyNameCerqueira
person.givenNameAna Cristina
person.givenNameCarla
person.givenNameRui
person.givenNameFátima
person.identifier37604
person.identifier812695
person.identifier.ciencia-id011A-FCBD-DC66
person.identifier.ciencia-id2E1D-05DF-E0DB
person.identifier.ciencia-idC51F-5DBE-9C51
person.identifier.ciencia-idCF14-52ED-5DA0
person.identifier.orcid0000-0002-6116-9593
person.identifier.orcid0000-0001-6467-4766
person.identifier.orcid0000-0003-3010-8373
person.identifier.orcid0000-0003-4513-4654
person.identifier.ridD-8159-2013
person.identifier.ridC-7938-2009
person.identifier.ridM-7557-2013
person.identifier.scopus-author-id7006241641
person.identifier.scopus-author-id6603346911
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationb09696c0-d5ea-4218-a5e4-63a3f6288d83
relation.isAuthorOfPublication741eff47-ffdf-4a5f-b763-3ada0062b1b8
relation.isAuthorOfPublication5ffb7965-d9af-4ba1-a81b-b0aed28de206
relation.isAuthorOfPublication2705e35c-97f6-4de2-bbf1-d680342760e9
relation.isAuthorOfPublication.latestForDiscovery741eff47-ffdf-4a5f-b763-3ada0062b1b8

Files

Original bundle
Now showing 1 - 1 of 1
Thumbnail Image
Name:
applsci-Wine byproducts_AFV_2024.pdf
Size:
313.67 KB
Format:
Adobe Portable Document Format
Download
License bundle
Now showing 1 - 1 of 1
No Thumbnail Available
Name:
license.txt
Size:
1.71 KB
Format:
Item-specific license agreed upon to submission
Description:
Download

Collections

FCS - Artigos em Revistas Científicas Internacionais com Arbitragem Científica