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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
http://linked.open...avai/riv/aktivity
  • Z(MSM 153100008)
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
  • 576091
http://linked.open...ai/riv/idVysledku
  • RIV/61989592:15310/04:00002117
http://linked.open...riv/jazykVysledku
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
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
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Novák, Ondřej
  • Strnad, Miroslav
  • Grúz, Jiří
http://linked.open...n/vavai/riv/zamer
number of pages
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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