Matrix solid-phase dispersion for the liquid chromatographic determination of phenolic acids in Melissa officinalis
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Ziaková, A
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Slovak Univ Technol Bratislava, Fac Chem & Food Technol, Dept Analyt Chem, Bratislava 81237, SlovakiaSlovak Univ Technol Bratislava, Fac Chem & Food Technol, Dept Analyt Chem, Bratislava 81237, Slovakia
Ziaková, A
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Brandsteterová, E
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Slovak Univ Technol Bratislava, Fac Chem & Food Technol, Dept Analyt Chem, Bratislava 81237, SlovakiaSlovak Univ Technol Bratislava, Fac Chem & Food Technol, Dept Analyt Chem, Bratislava 81237, Slovakia
Brandsteterová, E
[1
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Blahová, E
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Slovak Univ Technol Bratislava, Fac Chem & Food Technol, Dept Analyt Chem, Bratislava 81237, SlovakiaSlovak Univ Technol Bratislava, Fac Chem & Food Technol, Dept Analyt Chem, Bratislava 81237, Slovakia
Blahová, E
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[1] Slovak Univ Technol Bratislava, Fac Chem & Food Technol, Dept Analyt Chem, Bratislava 81237, Slovakia
Matrix solid-phase dispersion (MSPD) was used for sample preparation of plant material (Melissa officinalis, Lemon Balm) prior to liquid chromatography of rosmarinic, caffeic and protocatechuic acids, phenolic compounds present in this herb. Different MSPD sorbents and various elution agents were tested and the optimal extraction conditions determined with the aim to obtain extraction recoveries greater than 90% for all analytes. (C) 2002 Elsevier Science B.V. All rights reserved.
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Mendel Univ. of Agric. and Forestry, Dept. of Chemistry and Biochemistry, Zemdlská 1, CZ-613 00 Brno, Czech RepublicMendel Univ. of Agric. and Forestry, Dept. of Chemistry and Biochemistry, Zemdlská 1, CZ-613 00 Brno, Czech Republic
Matejicek, David
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Klejdus, Borivoj
Kuban, Vlastimil
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Mendel Univ. of Agric. and Forestry, Dept. of Chemistry and Biochemistry, Zemdlská 1, CZ-613 00 Brno, Czech RepublicMendel Univ. of Agric. and Forestry, Dept. of Chemistry and Biochemistry, Zemdlská 1, CZ-613 00 Brno, Czech Republic