Chemometric analysis of volatiles of propolis from different regions using static headspace GC-MS
Abstract: Six samples of propolis were analyzed in the paper: a sample from Brazil, Estonia, China and three samples from different locations of Uruguay. Static headspace technique coupled with gas chromatography-mass spectrometry analysis has been applied for the determination of the characteristic volatile profile with the aim to differentiate the propolis from different regions. Monoterpenes (α- and β-pinenes) were predominant in all samples, except the sample from China. This sample separated itself by the alcohols 3-methyl-3-buten-1-ol and 3-methyl-2-buten-1-ol, (40.33% and 11.57%, respectively) and ester 4-penten-1-yl acetate (9.04%). α-Pinene and β-pinene composed 64.59–77.56% of volatiles in Brazilian and Uruguayan propolis, and 29.43% in Estonian propolis. Brazilian propolis was distinguished by a high amount of β-methyl crotonaldehyde (10.11%), one of Uruguayan samples 3- by limonene (15.58%), and the Estonian sample — by eucalyptol (25.95%). Statistical investigation of the samples was made applying principal component, hierarchical cluster and K-Means cluster analyses. Various data pre-processing techniques were proposed and used to study and obtain the important volatile compounds contributed to the differentiation of the propolis samples from different regions to separate clusters.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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Chemometric analysis of volatiles of propolis from different regions using static headspace GC-MS ; volume:12 ; number:6 ; year:2014 ; pages:736-746 ; extent:11
Open chemistry ; 12, Heft 6 (2014), 736-746 (gesamt 11)
- Urheber
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Kaškonienė, Vilma
Kaškonas, Paulius
Maruška, Audrius
Kubilienė, Loreta
- DOI
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10.2478/s11532-014-0521-7
- URN
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urn:nbn:de:101:1-2410181817095.339720424322
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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15.08.2025, 07:24 MESZ
Datenpartner
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Beteiligte
- Kaškonienė, Vilma
- Kaškonas, Paulius
- Maruška, Audrius
- Kubilienė, Loreta
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