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Characterisation of Low Molecular Weight Compounds of Strawberry Tree (Arbutus unedo L.) Fruit Spirit Aged with Oak Wood

2024-05Artigo científico Acesso aberto
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dc.contributor.authorAnjos, Ofélia
dc.contributor.authorAntunes, Carlos A. L.
dc.contributor.authorOliveira-Alves, Sheila
dc.contributor.authorCanas, Sara
dc.contributor.authorCaldeira, Ilda
dc.date.accessioned2025-08-06T13:13:59Z
dc.date.available2025-08-06T13:13:59Z
dc.date.issued2024-05
dc.description.abstractThere is a trend towards the commercialisation of strawberry tree fruit spirit (AUS) with wood ageing, motivated by its favourable sensory characteristics. Additionally, further studies are necessary to elucidate the optimal conditions regarding ageing time and toasting level. This study evaluated the changes in colour and low molecular weight compounds (LMWC) of AUS aged for three and six months using oak wood (Quercus robur L.) with light, medium and medium plus toasting levels. For this purpose, phenolic acids (gallic, ellagic, ferulic and syringic acids), phenolic aldehydes (vanillin, syringaldehyde, coniferaldehyde and sinapaldehyde) and furanic aldehydes (furfural, 5-hydroxymethylfurfural and 5-methylfurfural) were quantified using the HPLC method. Chromatic characteristics, colour sensory analysis and total polyphenol index were also analysed. Fourier transform near-infrared spectroscopy (FT-NIR) was used to discriminate between samples. The results emphasized the favourable effect of oak wood contact on enhancing the colour and enriching AUS with low molecular weight compounds (LMWC). AUS aged in medium toasted wood exhibits high levels of total phenolic index, 5-hydroxymethylfurfural, furfural, coniferaldehyde, sinapaldehyde, sum LMWC and chromatic characteristics b* and C. Concentrations of syringaldehyde, ellagic acid, vanillin and syringic acid and a lighter colour (a* chromaticity coordinates) are higher in AUS aged with slightly more toasted wood. Nearly all analysed parameters showed an increase with ageing time. The FT-NIR technique allowed for the differentiation of aged AUS, focusing more on ageing time than on toasting level.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationAnjos, O.; Antunes, C.A.L.; Oliveira-Alves, S.; Canas, S.; Caldeira, I. Characterisation of Low Molecular Weight Compounds of Strawberry Tree (Arbutus unedo L.) Fruit Spirit Aged with Oak Wood. Fermentation 2024, 10, 253. https://doi.org/10.3390/fermentation10050253pt_PT
dc.identifier.doi10.3390/fermentation10050253pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.5/102690
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.relationForest Research Centre
dc.relationLaboratory for Sustainable Land Use and Ecosystem Services
dc.relation.publisherversionhttps://www.mdpi.com/journal/fermentationpt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectArbutus unedo spiritpt_PT
dc.subjectageingpt_PT
dc.subjectoak woodpt_PT
dc.subjectcolourpt_PT
dc.subjectlow molecular weight compoundspt_PT
dc.subjectFT-NIRpt_PT
dc.titleCharacterisation of Low Molecular Weight Compounds of Strawberry Tree (Arbutus unedo L.) Fruit Spirit Aged with Oak Woodpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardNumberUIDB/00681/2020
oaire.awardNumberUIDB/00239/2020
oaire.awardNumberLA/P/0092/2020
oaire.awardNumberUIDB/05183/2020
oaire.awardTitleForest Research Centre
oaire.awardTitleLaboratory for Sustainable Land Use and Ecosystem Services
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/Concurso de avaliação no âmbito do Programa Plurianual de Financiamento de Unidades de I&D (2017%2F2018) - Financiamento Base/UIDB%2F00681%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00239%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/LA%2FP%2F0092%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/Concurso de avaliação no âmbito do Programa Plurianual de Financiamento de Unidades de I&D (2017%2F2018) - Financiamento Base/UIDB%2F05183%2F2020/PT
oaire.citation.issue5pt_PT
oaire.citation.startPage253pt_PT
oaire.citation.titleFermentationpt_PT
oaire.citation.volume10pt_PT
oaire.fundingStreamConcurso de avaliação no âmbito do Programa Plurianual de Financiamento de Unidades de I&D (2017/2018) - Financiamento Base
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStreamConcurso de avaliação no âmbito do Programa Plurianual de Financiamento de Unidades de I&D (2017/2018) - Financiamento Base
person.familyNameAnjos
person.familyNameOliveira Alves
person.givenNameOfélia
person.givenNameSheila Cristina de
person.identifierG-2808-2012
person.identifier.ciencia-idC21D-D8C7-3037
person.identifier.ciencia-id3E1A-CDB8-3D21
person.identifier.orcid0000-0003-0267-3252
person.identifier.orcid0000-0002-9963-4673
person.identifier.scopus-author-id23395659700
person.identifier.scopus-author-id57193863077
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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