Naslov: | Simultaneous GC-MS determination of free and bound phenolic acids in Slovenian red wines and chemometric characterization |
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Avtorji: | ID Ivanović, Milena (Avtor) ID Islamčević Razboršek, Maša (Avtor) ID Kolar, Mitja (Avtor) |
Datoteke: | Acta_Chimica_Slovenica_2016_Ivanovic,_Islamcevic_Razborsek,_Kolar_Simultaneous_GC-MS_Determination_of_Free_and_Bound_Phenolic_Acids_in_S.pdf (222,27 KB) MD5: 4737ED92FC39808498566BF744EAE062 PID: 20.500.12556/dkum/74c16350-14a1-4185-89e4-7fe0f9b35545
https://journals.matheo.si/index.php/ACSi/article/view/2534
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Jezik: | Angleški jezik |
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Vrsta gradiva: | Znanstveno delo |
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Tipologija: | 1.01 - Izvirni znanstveni članek |
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Organizacija: | FKKT - Fakulteta za kemijo in kemijsko tehnologijo
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Opis: | Several phenolic acids (PAs), caffeic, vanillic, syringic, p-coumaric and ferulic acid, found in Slovenian red wines were studied using gas chromatography and mass spectrometry (GC-MS). For isolation of the PAs from wine samples, solid phase extraction (SPE) using hydrophilic modified styrene - HLB cartridges was used. The bound PAs were extracted after basic hydrolysis and o-coumaric acid was used as the internal standard (ISTD). The method developed was validated and the linear concentration range for all analytes was from 1 to 100 mg L$^{-1}$ with correlation coefficients above 0.999. We show that the method is repeatable (RSD<2%), recoveries were above 96%, and LOD and LOQ values were acceptable.
In all of the wine samples tested, caffeic and p-coumaric acid were determined to be the predominant PAs (17-72 mg L$^{-1}$), while other compounds were found in lower concentrations. Principal Component Analysis (PCA) and Cluster Analysis (CLU) were used to study differences between wines related towards varieties and Slovenian wine regions. The results demonstrate that variety has more influence on PAs content than wine regions in Slovenian red wines. |
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Ključne besede: | phenolic acids, Slovenian red wines, gas chromatography, mass spectrometry, PCA, CLU |
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Status publikacije: | Objavljeno |
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Verzija publikacije: | Objavljena publikacija |
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Leto izida: | 2016 |
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Št. strani: | str. 661-669 |
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Številčenje: | Letn. 63, št. 3 |
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PID: | 20.500.12556/DKUM-67640  |
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ISSN: | 1318-0207 |
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UDK: | 66 |
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COBISS.SI-ID: | 19728662  |
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DOI: | 10.17344/acsi.2016.2534  |
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ISSN pri članku: | 1318-0207 |
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NUK URN: | URN:SI:UM:DK:UMTW2EKZ |
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Datum objave v DKUM: | 25.08.2017 |
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Število ogledov: | 2231 |
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Število prenosov: | 388 |
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Metapodatki: |  |
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Področja: | Ostalo
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