About: Utilization of capillary electrophoresis/mass spectrometry (CE/MSn) for the study of anthocyanin dyes     Goto   Sponge   NotDistinct   Permalink

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Description
  • Je popsáno využití spojení kapilární elektroforézy a hmotnostní spektrometrie (CE/MSn) ke studiu antokyaninových barviv ve víně a vinných moštech. (cs)
  • Hyphenation of capillary electrophoresis with electrospray ionization mass spectrometry was utilized for the monitoring of anthocyanins in wine and wine musts. CE/MS was performed in two electrolytes: 1) an acidic one (chloroacetate-ammonium, pH 2) and 2) a basic one with high selectivity towards derivatives containing vicinal hydroxy groups (borate-ammonium, pH 9). The setup of MS was optimized and the fragmentation of common anthocyanins was studied in detail. Attention was also focused on the fragmentation of anthocyanidin skeleton. The anthocyanidins substituted with hydroxy groups fragment via a cascade of neutral losses of water and carbon monoxide. Fragmentation of anthocyanidins containing a methoxy group on their B-ring starts with the cleavage of methane and/or methyl radical. The optimized method was utilized for the monitoring of changes in anthocyanin profile in red wines as well as the process of release of anthocyanins to wine must.
  • Hyphenation of capillary electrophoresis with electrospray ionization mass spectrometry was utilized for the monitoring of anthocyanins in wine and wine musts. CE/MS was performed in two electrolytes: 1) an acidic one (chloroacetate-ammonium, pH 2) and 2) a basic one with high selectivity towards derivatives containing vicinal hydroxy groups (borate-ammonium, pH 9). The setup of MS was optimized and the fragmentation of common anthocyanins was studied in detail. Attention was also focused on the fragmentation of anthocyanidin skeleton. The anthocyanidins substituted with hydroxy groups fragment via a cascade of neutral losses of water and carbon monoxide. Fragmentation of anthocyanidins containing a methoxy group on their B-ring starts with the cleavage of methane and/or methyl radical. The optimized method was utilized for the monitoring of changes in anthocyanin profile in red wines as well as the process of release of anthocyanins to wine must. (en)
Title
  • Utilization of capillary electrophoresis/mass spectrometry (CE/MSn) for the study of anthocyanin dyes
  • Utilization of capillary electrophoresis/mass spectrometry (CE/MSn) for the study of anthocyanin dyes (en)
  • Využití spojení kapilární elektroforézy a hmotnostní spektrometrie (CE/MSn) ke studiu antokyaninových barviv (cs)
skos:prefLabel
  • Utilization of capillary electrophoresis/mass spectrometry (CE/MSn) for the study of anthocyanin dyes
  • Utilization of capillary electrophoresis/mass spectrometry (CE/MSn) for the study of anthocyanin dyes (en)
  • Využití spojení kapilární elektroforézy a hmotnostní spektrometrie (CE/MSn) ke studiu antokyaninových barviv (cs)
skos:notation
  • RIV/61989592:15310/05:00001893!RIV06-MSM-15310___
http://linked.open.../vavai/riv/strany
  • 1291-1299
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GP203/02/D013), Z(MSM 435100002), Z(MSM6198959216)
http://linked.open...iv/cisloPeriodika
  • 12
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 548261
http://linked.open...ai/riv/idVysledku
  • RIV/61989592:15310/05:00001893
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • MICELLAR ELECTROKINETIC CHROMATOGRAPHY; TANDEM MASS-SPECTROMETRY; ZONE-ELECTROPHORESIS; LIQUID-CHROMATOGRAPHY; FOOD SAMPLES; ESI-MS; IONIZATION; SEPARATION; WINE; INTERFACE (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV
  • [5189916E8796]
http://linked.open...i/riv/nazevZdroje
  • Journal of Separation Science
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 28
http://linked.open...iv/tvurceVysledku
  • Barták, Petr
  • Bednář, Petr
  • Lemr, Karel
  • Papoušková, B.
  • Müller, L.
  • Pavloušek, P.
http://linked.open...n/vavai/riv/zamer
issn
  • 1615-9306
number of pages
http://localhost/t...ganizacniJednotka
  • 15310
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