Please use this identifier to cite or link to this item:https://hdl.handle.net/20.500.12259/48259
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dc.contributor.authorKaškonienė, Vilma-
dc.contributor.authorRuočkuvienė, Geralda-
dc.contributor.authorKaškonas, Paulius-
dc.contributor.authorAkuneca, Ieva-
dc.contributor.authorMaruška, Audrius-
dc.coverage.spatialUS-
dc.date.accessioned2018-10-06T21:58:51Z-
dc.date.available2018-10-06T21:58:51Z-
dc.date.issued2015-
dc.identifier.issn19369751-
dc.identifier.otherVDU02-000018119-
dc.identifier.urihttp://link.springer.com/article/10.1007%2Fs12161-014-9996-2-
dc.description.abstractThe aim of this study was to determine total amounts of phenolics and flavonoids, radical scavenging activities, and compositions of phenolic and volatile compounds in 14 samples of honeybee pollen collected in the Baltic region. Radical 2,2-diphenyl-1-picrylhydrazyl (DPPH) scavenging activities and total amounts of phenolics and flavonoids were evaluated using spectrophotometry. Volatiles from the headspace of the samples were analyzed using solid-phase microextraction (SPME) fiber coated with 100-μm polydimethylsiloxane layer, separated, and identified employing GC-mass spectrometry (MS). Forty-two volatiles were identified in the headspace. Nonanal (1.5–20.1 %), dodecane (1.2–-34.6 %), and tridecane (1.4–24.7 %) were found in all samples. Screening of phenolics and flavonoids was performed using high-performance liquid chromatography (HPLC) with electrochemical detection. 2-Hydroxycinnamic acid (43.4–179.9 μg/g), rutin (156.2–955.7 μg/g), and quercetin (24.0–529.8 μg/g) were detected in all tested samples. Total amounts of phenolic compounds and flavonoids varied between 24.1 and 45.5 mg/g, and 6.1 and 11.6 mg/g, respectively, expressed as rutin equivalents. The pollen extracts exhibited radical scavenging activity, which scattered widely in range of 7.1–39.2 mg/g, expressed as rutin equivalents. Radical scavenging activity correlated with the total content of phenolic compounds while correlation coefficient was 0.95. Chemometric evaluation was performed to classify the samples into clusters according to the observed dataen
dc.description.sponsorshipBiochemijos katedra-
dc.description.sponsorshipGamtos mokslų fakultetas-
dc.description.sponsorshipKauno technologijos universitetas-
dc.description.sponsorshipVytauto Didžiojo universitetas-
dc.format.extentp. 1150-1163-
dc.language.isoen-
dc.relation.ispartofFood analytical methods. New York : Springer New York LLC, 2015, vol. 8, no. 5-
dc.relation.isreferencedbyCAB Abstracts-
dc.relation.isreferencedbyAGRICOLA-
dc.relation.isreferencedbyCompendex-
dc.relation.isreferencedbySpringerLINK-
dc.relation.isreferencedbyScopus-
dc.relation.isreferencedbyScience Citation Index Expanded (Web of Science)-
dc.subjectŽiedadulkėslt
dc.subjectChemometrinė analizėlt
dc.subjectAntioksidacinis aktyvumaslt
dc.subjectBee pollenen
dc.subjectAntioxidant activityen
dc.subjectHPLC with electrochemical detectionen
dc.subjectSPME-GC-MSen
dc.subjectChemometric analysisen
dc.subject.otherChemija / Chemistry (N003)-
dc.subject.otherChemijos inžinerija / Chemical engineering (T005)-
dc.titleChemometric analysis of bee pollen based on volatile and phenolic compound compositions and antioxidant propertiesen
dc.typeStraipsnis Clarivate Analytics Web of Science ar/ir Scopus / Article in Clarivate Analytics Web of Science or / and Scopus (S1)-
dc.identifier.doihttps://doi.org/10.1007/s12161-014-9996-2-
dc.identifier.isiWOS:000352648300009-
dcterms.bibliographicCitation33-
dc.date.updated2020-04-23T11:44Z-
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local.typeS-
item.fulltextWith Fulltext-
item.grantfulltextopen-
crisitem.author.deptBiochemijos katedra-
crisitem.author.deptBiochemijos katedra-
crisitem.author.deptGamtos mokslų fakultetas-
crisitem.author.deptBiochemijos katedra-
crisitem.author.deptInstrumentinės analizės atviros prieigos centras-
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications
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