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Influence of different parameters on the characteristics of hazelnut (var. Grada de Viseu) grown in Portugal

2022Journal article Open access
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dc.contributor.authorFerrão, Ana Cristina
dc.contributor.authorGuiné, Raquel P.F.
dc.contributor.authorRamalhosa, Elsa
dc.contributor.authorLopes, Arminda
dc.contributor.authorRodrigues, Cláudia
dc.contributor.authorMartins, Hugo
dc.contributor.authorCorreia, Paula
dc.date.accessioned2022-02-17T17:20:27Z
dc.date.available2022-02-17T17:20:27Z
dc.date.issued2022
dc.description.abstract“Grada de Viseu” is an indigenous hazelnut variety from Portugal, and it is considered by the producers as the most important variety in terms of production and productivity. Therefore, the aim of this study was to assess the influence of harvest year (2017/2018/2019) and location of production (Viseu/Faia) on some physical and chemical properties of the variety “Grada de Viseu,” namely biometric parameters, colour, true and bulk densities, texture parameters (hardness and friability), and chemical composition. The results showed that the fruits of the samples harvested in 2019 had higher values of height, width, and thickness. Hazelnuts from 2018 had a clearer shell, independently of the location of production, but only the samples from Faia harvested in 2018 had a clearer kernel. As for the texture, the fruits grown in Viseu harvested in 2018 had a harder shell and was more resistant to fracture, whereas the sample from 2019 had a harder kernel. In all cases, fat was the major chemical component. The sample from 2019 had a water activity greater than 0.62, meaning that its stability was not guaranteed. “Grada de Viseu” from Faia in 2018 presented a higher induction period and, therefore, was the one with the highest oxidation stability. The year of production showed to be the best predictor for almost every chemical and biometric characteristics. In general, it was possible to verify that harvesting year and geographical location influence hazelnut characteristics.pt_PT
dc.description.sponsorshipThis study was supported by National Funds through the FCT-Foundation for Science and Technology, I.P., within the scope of the projects Refª UIDB/00681/2020 and UID/AGR/00690/2019.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationFerrão, Ana Cristina; Guiné, Raquel; Ramalhosa, Elsa; Lopes, Arminda; Rodrigues, Cláudia; Martins, Hugo; Correia, Paula (2022) Influence of different parameters on the characteristics of hazelnut (var. Grada de Viseu) grown in Portugal. Open Agriculture. ISSN 2391-9531. 7:1, p. 8-20pt_PT
dc.identifier.doi10.1515/opag-2021-0061pt_PT
dc.identifier.issn2391-9531
dc.identifier.urihttp://hdl.handle.net/10198/25075
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.relationResearch Center in Natural Resources, Environment and Society
dc.relationMountain Research Centre
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectChemical propertiespt_PT
dc.subjectGrada de Viseupt_PT
dc.subjectHarvest yearpt_PT
dc.subjectLocationpt_PT
dc.subjectPhysical propertiespt_PT
dc.titleInfluence of different parameters on the characteristics of hazelnut (var. Grada de Viseu) grown in Portugalpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleResearch Center in Natural Resources, Environment and Society
oaire.awardTitleMountain Research Centre
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00681%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UID%2FAGR%2F00690%2F2019/PT
oaire.citation.endPage20pt_PT
oaire.citation.issue1pt_PT
oaire.citation.startPage8pt_PT
oaire.citation.titleOpen Agriculturept_PT
oaire.citation.volume7pt_PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
person.familyNameRamalhosa
person.givenNameElsa
person.identifier.ciencia-id1A1D-FC05-A05D
person.identifier.orcid0000-0003-2503-9705
person.identifier.scopus-author-id6602978189
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
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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relation.isAuthorOfPublication.latestForDiscoveryd74be6c0-1703-4f77-bd81-e289ec981ee3
relation.isProjectOfPublication7fae63a8-7595-42fe-b07a-77726299dd84
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