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Statements

Subject Item
n2:RIV%2F61989592%3A15310%2F11%3A33117980%21RIV12-MSM-15310___
rdf:type
skos:Concept n13:Vysledek
dcterms:description
Hyphenation of micro-liquid and ultra-performance liquid chromatography with a hybrid (QqTOF) tandem mass spectrometry was studied from the viewpoint of their applicability for monitoring of anthocyanin dyes in various cultivars and different vintages of red wine. After appropriate optimization both techniques proved to be suitable for this task. UHPLC system provided lower LOD and LOQ values as well as higher productivity and precision of retention parameters and peak areas with respect to micro-LC method. On the other hand, micro-LC method offers significant savings of mobile phase, less contamination of ion source of mass spectrometer and makes the nebulization process in electrospray much easier. In combination with principal component analysis (PCA), the method allows to elucidate long-term relations in a complete set of certified red wine cultivars grown in South Moravia (certified in Czech Republic until year 2005). Among the studied varieties Rubinet exhibit a specific anthocyanin profile. Especially interesting is a high content of 3-coumaroylglucoside-5-glucosides of malvidin and peonidin. Those dyes can be used as markers of artificial color enhancement. Principal component analysis applied to data processed with regard to enzymatic activity markedly facilitate classification among varieties. This approach allows resolution of teinturiers. variety Blaufrankish and partial classification of other varieties. Hyphenation of micro-liquid and ultra-performance liquid chromatography with a hybrid (QqTOF) tandem mass spectrometry was studied from the viewpoint of their applicability for monitoring of anthocyanin dyes in various cultivars and different vintages of red wine. After appropriate optimization both techniques proved to be suitable for this task. UHPLC system provided lower LOD and LOQ values as well as higher productivity and precision of retention parameters and peak areas with respect to micro-LC method. On the other hand, micro-LC method offers significant savings of mobile phase, less contamination of ion source of mass spectrometer and makes the nebulization process in electrospray much easier. In combination with principal component analysis (PCA), the method allows to elucidate long-term relations in a complete set of certified red wine cultivars grown in South Moravia (certified in Czech Republic until year 2005). Among the studied varieties Rubinet exhibit a specific anthocyanin profile. Especially interesting is a high content of 3-coumaroylglucoside-5-glucosides of malvidin and peonidin. Those dyes can be used as markers of artificial color enhancement. Principal component analysis applied to data processed with regard to enzymatic activity markedly facilitate classification among varieties. This approach allows resolution of teinturiers. variety Blaufrankish and partial classification of other varieties.
dcterms:title
Advanced liquid chromatography/mass spectrometry profiling of anthocyanins in relation to set of red wine varieties certified in Czech Republic Advanced liquid chromatography/mass spectrometry profiling of anthocyanins in relation to set of red wine varieties certified in Czech Republic
skos:prefLabel
Advanced liquid chromatography/mass spectrometry profiling of anthocyanins in relation to set of red wine varieties certified in Czech Republic Advanced liquid chromatography/mass spectrometry profiling of anthocyanins in relation to set of red wine varieties certified in Czech Republic
skos:notation
RIV/61989592:15310/11:33117980!RIV12-MSM-15310___
n13:predkladatel
n14:orjk%3A15310
n3:aktivita
n4:Z n4:P
n3:aktivity
P(ED2.1.00/03.0058), P(GAP206/10/0625), Z(MSM6198959214), Z(MSM6198959216)
n3:cisloPeriodika
42
n3:dodaniDat
n17:2012
n3:domaciTvurceVysledku
n8:8390924 n8:4316851 n8:5646634 n8:1077074 n8:3649768 n8:5138299
n3:druhVysledku
n11:J
n3:duvernostUdaju
n9:S
n3:entitaPredkladatele
n19:predkladatel
n3:idSjednocenehoVysledku
184727
n3:idVysledku
RIV/61989592:15310/11:33117980
n3:jazykVysledku
n18:eng
n3:klicovaSlova
Principal component analysis; Variety; Anthocyanin; Mass spectrometry; Ultra-performance liquid chromatography; Capillary chromatography
n3:klicoveSlovo
n16:Mass%20spectrometry n16:Variety n16:Capillary%20chromatography n16:Anthocyanin n16:Principal%20component%20analysis n16:Ultra-performance%20liquid%20chromatography
n3:kodStatuVydavatele
NL - Nizozemsko
n3:kontrolniKodProRIV
[C5F69F753C31]
n3:nazevZdroje
Journal of Chromatography A
n3:obor
n5:CB
n3:pocetDomacichTvurcuVysledku
6
n3:pocetTvurcuVysledku
9
n3:projekt
n6:ED2.1.00%2F03.0058 n6:GAP206%2F10%2F0625
n3:rokUplatneniVysledku
n17:2011
n3:svazekPeriodika
1218
n3:tvurceVysledku
Bednář, Petr Papoušková, Barbora Barták, Petr Lemr, Karel Stávek, Jan Myjavcová, Renata Tománková, Eva Balík, Josef Hron, Karel
n3:wos
000296037900020
n3:zamer
n21:MSM6198959216 n21:MSM6198959214
s:issn
0021-9673
s:numberOfPages
11
n12:doi
10.1016/j.chroma.2011.07.027
n20:organizacniJednotka
15310