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Comparison of bioactive compounds in four blueberry cultivars throughout the years: selection of the best cultivars to be used in health promoting foodstuffs

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dc.contributor.authorSilva, S.
dc.contributor.authorCosta, E. M.
dc.contributor.authorCoelho, M. C.
dc.contributor.authorPereira, M. F.
dc.contributor.authorCosta, M. R.
dc.contributor.authorPintado, M. M.
dc.date.accessioned2015-05-11T09:43:56Z
dc.date.available2015-05-11T09:43:56Z
dc.date.issued2014
dc.description.abstractBlueberries are known as rich in phenolics and possessing a considerable antioxidant capacity. In recent decades, Portuguese blueberry production has increased greatly with several new blueberry producers appearing every year and, considering the amount of factors that can affect the overall fruit composition it is important to systematically study each matrix in order to understand the phenolic compounds profile, and therefore allow both the industry and consumers to maximize the potential benefits. Therefore the present work aimed to characterize four blueberry cultivars (representative of Portuguese blueberry production); Duke, Bluecrop, Goldtraube and Ozarkblue throughout a period of 3 years. Antioxidant activity, total phenolic compounds and anthocyanins were assessed. The results obtained illustrated, as could be expected, significant differences throughout the years studied for all parameters assessed, with values ranging from ca. 205 to 770 g of ascorbic acid equivalents per 100 g of fresh fruit for the total antioxidant capacity, ca. 115 to 630 g of gallic acid equivalents per 100 g of fresh fruit for the total phenolics content and ca. 56 to 263 mg of cianidin-3-glucoside equivalents per 100 g of fresh fruit for the total anthocyanin content. Despite the large variations, the cultivar Goldtraube proved to possess systematically higher contents of anthocyanins and antioxidants than all other cultivars though the same cannot be said for the total phenolics were, despite possessing higher values for 2 years, in both Duke and Bluecrop significantly higher content of phenolic compounds were observed. In conclusion, as it stands Goldtraube appears to be the better cultivar to be used in the development of blueberry based matrices and foodstuffs with higher potential health benefits.por
dc.description.versioninfo:eu-repo/semantics/publishedVersion
dc.identifier.citationSILVA, S … [et al] - Comparison of bioactive compounds in four blueberry cultivars throughout the years: selection of the best cultivars to be used in health promoting foodstuffs. In Congress on Food Structure Design, 1st, Porto, Portugal, 15-17 October, 2014. VICENTE, A. A. ; SILVA, C. L. M. ; PIAZZA, L. (eds.) - Book of Abstracts of the 1st Congress on Food Structure Design. Braga: Universidade do Minho, Departamento de Engenharia Biológica, 2014. ISBN 978-989-97478-5-2. p.201-202por
dc.identifier.isbn9789899747852
dc.identifier.urihttp://hdl.handle.net/10400.14/17514
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherUniversidade do Minho, Departamento de Engenharia Biológica
dc.relationQREN-ADI-30230
dc.subjectBlueberrypor
dc.subjectAntioxidant activitypor
dc.subjectPhenolic compoundspor
dc.subjectAnthocyaninspor
dc.titleComparison of bioactive compounds in four blueberry cultivars throughout the years: selection of the best cultivars to be used in health promoting foodstuffspor
dc.typeconference object
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PEst-OE%2FEQB%2FLA0016%2F2013/PT
oaire.citation.endPage202
oaire.citation.startPage201
oaire.fundingStream3599-PPCDT
person.familyNamePintado
person.givenNameMaria Manuela
person.identifier456608
person.identifier.ciencia-id2F13-AAE0-3405
person.identifier.orcid0000-0002-0760-3184
person.identifier.ridF-5696-2013
person.identifier.scopus-author-id7004483898
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspor
rcaap.typeconferenceObjectpor
relation.isAuthorOfPublicationba387c7d-27c9-4016-895c-b35597e91ebc
relation.isAuthorOfPublication.latestForDiscoveryba387c7d-27c9-4016-895c-b35597e91ebc
relation.isProjectOfPublication76842dfa-b675-443a-843b-f9555a0a9199
relation.isProjectOfPublication.latestForDiscovery76842dfa-b675-443a-843b-f9555a0a9199

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