D 2000

Determination of Phenolic Compounds in Artychoke Exctract by Means of Capillary Zone Electrophoresis

ŠEVČÍKOVÁ, Petra, Zdeněk GLATZ, Jiří SLANINA and Pavel MUSIL

Basic information

Original name

Determination of Phenolic Compounds in Artychoke Exctract by Means of Capillary Zone Electrophoresis

Authors

ŠEVČÍKOVÁ, Petra, Zdeněk GLATZ, Jiří SLANINA and Pavel MUSIL

Edition

Bratislava, Book of Abstract, International Symposium on Capillary Electrophoresis, ITP 2000, p. 85-85, 2000

Publisher

Slovenská chemická společnost

Other information

Language

English

Type of outcome

Stať ve sborníku

Field of Study

10600 1.6 Biological sciences

Country of publisher

Slovakia

Confidentiality degree

není předmětem státního či obchodního tajemství

RIV identification code

RIV/00216224:14310/00:00003324

Organization unit

Faculty of Science

Keywords in English

Capillary electrophoresis; Artychoke; Phenols
Změněno: 27/2/2001 11:01, prof. RNDr. Zdeněk Glatz, CSc.

Abstract

V originále

Artichoke (Cynara) is well known as a vegetable, but it has also application in pharmacology. The choleretic and hypocholesterolemic actions of the artichoke extract are already known. The present research is being carried out into the antioxidative and hepatoprotective effects of such extracts. These activities have been attributed to the phenolic compounds present in the extract and to its caffeoylquinic derivatives. Micellar electrokinetic capillary chromatography (MECC) has been developed as a promising method for the analysis of the Artichoke extract. Separation conditions have been optimised with respect to different parameters including pH and ion strength of the background electrolyte, SDS concentration and temperature. A buffer consisting of 100 mM SDS in 20 mM sodium dihydrogen phosphate, 20 mM disodium tetraborate pH 8.5 was found to be the most suitable electrolyte for this separation. An applied voltage of 28 kV (positive polarity) and a temperature of 25 oC gave the best separation of the caffeoylquinic acid derivatives.

Links

GA303/00/D062, research and development project
Name: Biologická dostupnost a mechanismus antioxidačního účinku fenolických kyselin a lignanů
Investor: Czech Science Foundation, Bioavailability and mechanism of antioxidant activity of phenolic acids and lignans