About: Determination of Gentiopicroside in Extracts of Centaurium erythreae and Gentiana lutea by Micellar Electrokinetic Capillary Chromatography

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About: Determination of Gentiopicroside in Extracts of Centaurium erythreae and Gentiana lutea by Micellar Electrokinetic Capillary Chromatography Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Micellar electrokinetic capillary chromatography has been developed as a promising method for the determination of gentiopicroside. The separation conditions have been optimised with respect to the different parameters including SDS concentration, pH and ion strength of the background electrolyte, and temperature of capillary. A buffer consisting of 100 mM SDS in 20 mM sodium dihydrogen phosphate, 20 mM disodium tetraborate pH 8.6 was found to be the most suitable electrolyte for this separation. The applied voltage of 28 kV (positive polarity) and the temperature of capillary 20 oC gave the best separation of secoiridiods. The linear detection range for concentration versus peak area for the assay is from 5 to 500 mg . ml-1 (correlation coefficient 0.9998) with a detection limit of 0.3 mg . ml-1. The inter-day reproducibility of the peak area was 2.5 % and the inter-day reproducibility of the migration time was below 0.16 %. The developed method was successfully used to quantify gentiopicroside in ex Micellar electrokinetic capillary chromatography has been developed as a promising method for the determination of gentiopicroside. The separation conditions have been optimised with respect to the different parameters including SDS concentration, pH and ion strength of the background electrolyte, and temperature of capillary. A buffer consisting of 100 mM SDS in 20 mM sodium dihydrogen phosphate, 20 mM disodium tetraborate pH 8.6 was found to be the most suitable electrolyte for this separation. The applied voltage of 28 kV (positive polarity) and the temperature of capillary 20 oC gave the best separation of secoiridiods. The linear detection range for concentration versus peak area for the assay is from 5 to 500 mg . ml-1 (correlation coefficient 0.9998) with a detection limit of 0.3 mg . ml-1. The inter-day reproducibility of the peak area was 2.5 % and the inter-day reproducibility of the migration time was below 0.16 %. The developed method was successfully used to quantify gentiopicroside in ex (en)
Title	Determination of Gentiopicroside in Extracts of Centaurium erythreae and Gentiana lutea by Micellar Electrokinetic Capillary Chromatography Determination of Gentiopicroside in Extracts of Centaurium erythreae and Gentiana lutea by Micellar Electrokinetic Capillary Chromatography (en)
skos:prefLabel	Determination of Gentiopicroside in Extracts of Centaurium erythreae and Gentiana lutea by Micellar Electrokinetic Capillary Chromatography Determination of Gentiopicroside in Extracts of Centaurium erythreae and Gentiana lutea by Micellar Electrokinetic Capillary Chromatography (en)
skos:notation	RIV/00216224:14310/00:00003302!RIV/2002/GA0/143102/N
http://linked.open.../vavai/riv/strany	1831
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA303/00/D062)
http://linked.open...iv/cisloPeriodika	12
http://linked.open...vai/riv/dodaniDat	2002
http://linked.open...aciTvurceVysledku	Pospíšilová, Jiřina Glatz, Zdeněk Musil, Pavel
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Masarykova univerzita / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	708440
http://linked.open...ai/riv/idVysledku	RIV/00216224:14310/00:00003302
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	micellar electrokinetic chromatography, gentiopicroside, gentiana, centaurium (en)
http://linked.open.../riv/klicoveSlovo	micellar electrokinetic chromatography centaurium gentiana gentiopicroside
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[7917D043AF5E]
http://linked.open...i/riv/nazevZdroje	J.Liquid Chromatogr. Rel. Technol.
http://linked.open...in/vavai/riv/obor	CE
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...vavai/riv/projekt	Bioavailability and mechanism of antioxidant activity of phenolic acids and lignans
http://linked.open...UplatneniVysledku	2000
http://linked.open...v/svazekPeriodika	23
http://linked.open...iv/tvurceVysledku	Glatz, Zdeněk Musil, Pavel Pospíšilová, Jiřina
issn	1082-6076
number of pages	9 (xsd:int)
http://localhost/t...ganizacniJednotka	14310

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