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A multivariate approach based on physicochemical parameters and biological potential for the botanical and geographical discrimination of Brazilian bee pollen

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dc.contributor.authorDe-Melo, Adriane A.M.
dc.contributor.authorEstevinho, Leticia M.
dc.contributor.authorMoreira, Manuela M.
dc.contributor.authorDelerue-Matos, Cristina
dc.contributor.authorFreitas, Alex da Silva
dc.contributor.authorBarth, Ortrud M.
dc.contributor.authorAlmeida-Muradian, Ligia Bicudo
dc.date.accessioned2018-02-19T10:00:00Z
dc.date.accessioned2019-02-04T17:06:28Z
dc.date.available2018-01-19T10:00:00Z
dc.date.available2019-02-04T17:06:28Z
dc.date.issued2018
dc.description.abstractFifty six Brazilian bee pollen samples were characterised, and their botanical and geographical origins were studied. The samples were also classified based on physicochemical and biological properties. The characterisation was done using Soxhlet extraction and micro-Kjeldahl methods, ashing at 550°C, transmittance, microscopy, spectrophotometry, inductively coupled plasma optical emission spectrometry and high-performance liquid chromatography. As expected, the values of proteins (7.9–32.2g/100g), lipids (3.2–13.5g/100g), ash (1.9–3.6g/100g), carbohydrates (54.9–82.8g/100g), K (3.4–9.8g/kg), Ca (0.9–4.1g/kg), Mg (0.6–2.4g/kg), Fe (46–1180mg/kg), Na (20–374mg/kg), Mn (25–215mg/kg), Zn (30–101mg/kg), Cu (7.4–19.7mg/kg), total phenolics (6.5–29.2mgGAE/g)and flavonoids(0.3–17.5mgQE/g)as well as the phenolic profiles varied among the samples. In general, the products had high antioxidant capacity (ORAC: 133–563 μmol TE/g; DPPH: 9.4–155μmolTE/g) and the antimicrobial capacity varied according to the sample and microorganism tested. The instrumental colour parameters could be used as indicators of some minerals. Based on multivariate approaches, bee pollen from Southern Brazil seemed to have a higher biological potential, whereas products from the Northeast region had higher calcium and magnesium levels. Similarities were identified in bee pollen containing C. nucifera or Brassica, and monofloral bee pollen seemed to have higher mineral content than heterofloral bee pollen.en_EN
dc.description.sponsorshipThis study was funded by FAPESP (2011/51741-5). All authors are grateful to FAPESP for scholarships granted (2011/11746-8 and 2013/ 23179-6), to CNPq (304067/2013-0), and for the postdoctoral fellowship financed by POPH-QREN (SFRH/BPD/97049/2013). The authors are also grateful to beekeepers who provided samples.
dc.description.versioninfo:eu-repo/semantics/publishedVersionen_EN
dc.identifier.citationDe-Melo, A.A.M.; Estevinho, Leticia M.; Moreira, Manuela M.; Delerue-Matos, C.; Freitas, Alex da Silva de; Barth, Ortrud M.; Almeida-Muradian, Ligia Bicudo (2018). A multivariate approach based on physicochemical parameters and biological potential for the botanical and geographical discrimination of Brazilian bee pollen. Food Bioscience. ISSN 2212-4292. 25, p. 91-110en_EN
dc.identifier.doi10.1016/j.fbio.2018.08.001en_EN
dc.identifier.issn2212-4292
dc.identifier.urihttp://hdl.handle.net/10198/18708
dc.language.isoeng
dc.peerreviewedyesen_EN
dc.relationVALORIZAÇÃO DE RESÍDUOS DA INDÚSTRIA FRUTÍCOLA
dc.subjectBee productsen_EN
dc.subjectChemical propertiesen_EN
dc.subjectChemometricsen_EN
dc.subjectColouren_EN
dc.subjectMineralsen_EN
dc.subjectPhenolic profileen_EN
dc.titleA multivariate approach based on physicochemical parameters and biological potential for the botanical and geographical discrimination of Brazilian bee pollenen_EN
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleVALORIZAÇÃO DE RESÍDUOS DA INDÚSTRIA FRUTÍCOLA
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBPD%2F97049%2F2013/PT
person.familyNameEstevinho
person.givenNameLetícia M.
person.identifier.ciencia-idBA14-09D6-A406
person.identifier.orcid0000-0002-9249-1948
person.identifier.scopus-author-id6506577664
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccessen_EN
rcaap.typearticleen_EN
relation.isAuthorOfPublication4a1d5ba2-1854-4ca5-89a4-73f35e964df9
relation.isAuthorOfPublication.latestForDiscovery4a1d5ba2-1854-4ca5-89a4-73f35e964df9
relation.isProjectOfPublicationa8999335-4117-4b6a-8877-eadb7bf5c43b
relation.isProjectOfPublication.latestForDiscoverya8999335-4117-4b6a-8877-eadb7bf5c43b

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