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Statements

Subject Item
n2:RIV%2F60461373%3A22330%2F07%3A00022453%21RIV10-MSM-22330___
rdf:type
skos:Concept n12:Vysledek
dcterms:description
A simple and rapid multiresidue method for the determination of nine banned synthetic dyes in various spices has been developed. Reversed phase HPLC coupled with mass spectrometry (tandem in time - ion trap mass analyser) was employed for the examination of crude acetonitrile extract acidified with acetic acid. The detection limits of Para Red, Sudan Orange G, Sudan I, Sudan II, Sudan III, Sudan IV, Sudan Red 7B and Rhodamine B were in the range of 0.02-0.1 mg/kg, the recoveries ranged from 75.7 to 92.3% with repeatability of 0.9-11.3%. Rather worse performance characteristics were obtained with Tropaeolin 000, obviously due to its more polar nature as compared to other dyes involved in this study. In spite of that, the developed method can be used for a reliable control of a wide range of dyes used for illegal colouring of various spices. A simple and rapid multiresidue method for the determination of nine banned synthetic dyes in various spices has been developed. Reversed phase HPLC coupled with mass spectrometry (tandem in time - ion trap mass analyser) was employed for the examination of crude acetonitrile extract acidified with acetic acid. The detection limits of Para Red, Sudan Orange G, Sudan I, Sudan II, Sudan III, Sudan IV, Sudan Red 7B and Rhodamine B were in the range of 0.02-0.1 mg/kg, the recoveries ranged from 75.7 to 92.3% with repeatability of 0.9-11.3%. Rather worse performance characteristics were obtained with Tropaeolin 000, obviously due to its more polar nature as compared to other dyes involved in this study. In spite of that, the developed method can be used for a reliable control of a wide range of dyes used for illegal colouring of various spices.
dcterms:title
Determination of banned dyes in spices by liquid chromatography-mass spectrometry Determination of banned dyes in spices by liquid chromatography-mass spectrometry
skos:prefLabel
Determination of banned dyes in spices by liquid chromatography-mass spectrometry Determination of banned dyes in spices by liquid chromatography-mass spectrometry
skos:notation
RIV/60461373:22330/07:00022453!RIV10-MSM-22330___
n3:aktivita
n15:Z n15:P
n3:aktivity
P(1P05OC057), Z(MSM6046137305)
n3:cisloPeriodika
25
n3:dodaniDat
n16:2010
n3:domaciTvurceVysledku
n8:8580588 n8:2553392 n8:9241914
n3:druhVysledku
n17:J
n3:duvernostUdaju
n14:S
n3:entitaPredkladatele
n10:predkladatel
n3:idSjednocenehoVysledku
416635
n3:idVysledku
RIV/60461373:22330/07:00022453
n3:jazykVysledku
n19:eng
n3:klicovaSlova
Sudan dyes; Para Red; Rhodamine B; chilli; curry; liquid chromatography - mass spectrometry
n3:klicoveSlovo
n6:chilli n6:Sudan%20dyes n6:Rhodamine%20B n6:curry n6:liquid%20chromatography n6:Para%20Red
n3:kodStatuVydavatele
CZ - Česká republika
n3:kontrolniKodProRIV
[12EFD814E9AE]
n3:nazevZdroje
Czech Journal of Food Sciences
n3:obor
n13:GM
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
3
n3:projekt
n5:1P05OC057
n3:rokUplatneniVysledku
n16:2007
n3:tvurceVysledku
Poustka, Jan Botek, Petr Hajšlová, Jana
n3:wos
000244286000002
n3:zamer
n18:MSM6046137305
s:issn
1212-1800
s:numberOfPages
8
n7:organizacniJednotka
22330