About: New HPLC/MS approach to analyses of phenolics in plants

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Je uvedena nová HPLC/MS metoda pro stanovení fenolických látek v rostlinnách. (cs) The separation, identification and quantitative analysis of phenolic acids are necessary because of their importance as non-steroid antiphlogistic drugs, semi-products of biosynthesis of aromatic amino-acids in plants and natural products with antioxidative and anticarcinogenic abilities. A method was developed for LC/MS analysis of eighteen phenolic acids in plant material after methanolic extraction. Different stacionary (C8, C18, Phenyl-Hexyl) and many mobile phases were tested during an optimisation process. Two fundamentally different atmospheric pressure ionization interfaces (chemical and electrospray ionizations) were also compared in terms of ionization effectivity and limits of detection. The most suitable method for analysis of phenolic acids was carried out after combining Fenyl-Hexyl column, gradient elution (acetonitrile - 5 mmol.L-1 HCOOH) and negative mode electrospray ionization. A linear dynamic range of 1 - 300 pmol injected was found for the optimised method, with detection limit The separation, identification and quantitative analysis of phenolic acids are necessary because of their importance as non-steroid antiphlogistic drugs, semi-products of biosynthesis of aromatic amino-acids in plants and natural products with antioxidative and anticarcinogenic abilities. A method was developed for LC/MS analysis of eighteen phenolic acids in plant material after methanolic extraction. Different stacionary (C8, C18, Phenyl-Hexyl) and many mobile phases were tested during an optimisation process. Two fundamentally different atmospheric pressure ionization interfaces (chemical and electrospray ionizations) were also compared in terms of ionization effectivity and limits of detection. The most suitable method for analysis of phenolic acids was carried out after combining Fenyl-Hexyl column, gradient elution (acetonitrile - 5 mmol.L-1 HCOOH) and negative mode electrospray ionization. A linear dynamic range of 1 - 300 pmol injected was found for the optimised method, with detection limit (en)
Title	New HPLC/MS approach to analyses of phenolics in plants New HPLC/MS approach to analyses of phenolics in plants (en) Nová HPLC/MS metoda pro stanovení fenolických látek v rostlinnách (cs)
skos:prefLabel	New HPLC/MS approach to analyses of phenolics in plants New HPLC/MS approach to analyses of phenolics in plants (en) Nová HPLC/MS metoda pro stanovení fenolických látek v rostlinnách (cs)
skos:notation	RIV/61989592:15310/04:00002117!RIV/2005/MSM/153105/N
http://linked.open.../vavai/riv/strany	165
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM 153100008)
http://linked.open...vai/riv/dodaniDat	2005
http://linked.open...aciTvurceVysledku	Novák, Ondřej Strnad, Miroslav
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Palackého v Olomouci / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	576091
http://linked.open...ai/riv/idVysledku	RIV/61989592:15310/04:00002117
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	phenolic compounds;extraction and purification;liquid chromatography;single-quadropole mass spektrometry;quantitative analysis;plants;Brassica oleraceae L. var. acephala (en)
http://linked.open.../riv/klicoveSlovo	liquid chromatography phenolic compounds plants quantitative analysis Brassica oleraceae L. var. acephala extraction and purification single-quadropole mass spektrometry
http://linked.open...ontrolniKodProRIV	[63C3C87B1773]
http://linked.open...i/riv/mistoVydani	Lublin-Kazimerz Dolny
http://linked.open...i/riv/nazevZdroje	4th International symposium on chromatography of natural products
http://linked.open...in/vavai/riv/obor	EF
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...UplatneniVysledku	2004
http://linked.open...iv/tvurceVysledku	Novák, Ondřej Strnad, Miroslav Grúz, Jiří
http://linked.open...n/vavai/riv/zamer	http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20153100008
number of pages	236 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Skubiszewski Medical University of Lublin
https://schema.org/isbn	83-916900-1-6
http://localhost/t...ganizacniJednotka	15310

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