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Mineral composition of pollen using inductively coupled plasma atomic emission spectroscopy

2014Journal article Open access
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dc.contributor.authorPaulo, Luísa
dc.contributor.authorAntunes, Paulo
dc.contributor.authorAnjos, O.
dc.date.accessioned2019-04-15T09:56:31Z
dc.date.available2019-04-15T09:56:31Z
dc.date.issued2014
dc.description.abstractPollen collected by honey bees (bee pollen) is promoted as a health food supplement with a wide range of nutritional and health beneficial properties. While honey is an important source of proteins for the bee colony, pollen is the bees' main source for other important nutrients, such as minerals, fats, fibers, carbohydrates, and other substances. The composition of pollen is rather variable and depends on the botanical origin of the pollen. In this work we studied the mineral content of bee pollen of three botanical origins (Cistus ladanifer L., Rubus ulmifolius Schott, and Calluna vulgaris (L.) Hull) and two geographic sites in the central Portugal (Caniçal and Vale Grande). Inductively coupled plasma atomic emission spectrometry (ICP-AES) was used for the determination of cadmium, chromium, copper, iron, lead, manganese, and zinc. Prior to ICP-AES measurement, the samples were mineralized by treatment with HNO3 and H2O2 at 100 °C until complete digestion. The analyzed elements presented levels corresponding to the usual reference range [1]. The concentrations of micronutrients (Cu, Fe, Mn and Zn) presented characteristic profiles which differed between the three plant species, but where similar in the two geographic areas. The main minerals observed for R. ulmifolius and C. vulgaris were Fe and Mn, and Zn for C. ladanifer. Heavy metals (Cd, Cr and Pb) were present at low concentrations (Table 1), indicating that there were no sources of contamination. In conclusion, the determination of micronutrients in pollen could be suitable for the identification of botanical species. The investigation of element profile, in combination with modern statistical data evaluation techniques, can be a promising approach to identify the botanical source of pollen.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1055/s-0034-1394851pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.11/6479
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.subjectMineral composition; pollen; inductively coupled plasma atomic emission spectroscopypt_PT
dc.titleMineral composition of pollen using inductively coupled plasma atomic emission spectroscopypt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.issue16pt_PT
oaire.citation.volume80pt_PT
person.familyNameAnjos
person.givenNameOfélia
person.identifier.ciencia-idC21D-D8C7-3037
person.identifier.orcid0000-0003-0267-3252
person.identifier.ridG-2808-2012
person.identifier.scopus-author-id23395659700
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationdf9191ae-0bbb-4bb8-bbdc-0f79c7365876
relation.isAuthorOfPublication.latestForDiscoverydf9191ae-0bbb-4bb8-bbdc-0f79c7365876

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