The use of a liquid chromatography (LC) splitter inserted between an HPLC column and an evaporative light scattering detector (ELSD) is described. This paper aims to show the feasibility of using the splitter in an HPLC-ELSD system to fractionate a model mixture of analytes, namely salicin (2-(hydroxymethyl)-phenyl-β-d-glucopyranoside) and glucose. The retention factors and efficiency of the separation were studied under various temperatures and water contents in the mobile phase in order to clarify the mechanism of polyols separation on a diol column under the conditions of hydrophilic liquid chromatography (HILIC). Finally, the system was applied to a biological sample (a lyophilized colony gel of Pectinatella magnifica), where the presence of fructose and glucose was confirmed.

Department of Chemical Drugs Faculty of Pharmacy University of Veterinary and Pharmaceutical Sciences Palackého tr 1946 1 Brno 61242 Czech Republic

Department of Natural Drugs Faculty of Pharmacy University of Veterinary and Pharmaceutical Sciences Palackého tr 1946 1 Brno 61242 Czech Republic

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$a Pazourek, Jiří $u Department of Chemical Drugs, Faculty of Pharmacy, University of Veterinary and Pharmaceutical Sciences, Palackého tr. 1946/1, Brno 61242, Czech Republic. pazourekj@vfu.cz.

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$a Feasibility of Fraction Collection in HPLC Systems with Evaporative Light Scattering Detector: Analysis of Pectinatella magnifica / $c J. Pazourek, K. Šmejkal,

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$a The use of a liquid chromatography (LC) splitter inserted between an HPLC column and an evaporative light scattering detector (ELSD) is described. This paper aims to show the feasibility of using the splitter in an HPLC-ELSD system to fractionate a model mixture of analytes, namely salicin (2-(hydroxymethyl)-phenyl-β-d-glucopyranoside) and glucose. The retention factors and efficiency of the separation were studied under various temperatures and water contents in the mobile phase in order to clarify the mechanism of polyols separation on a diol column under the conditions of hydrophilic liquid chromatography (HILIC). Finally, the system was applied to a biological sample (a lyophilized colony gel of Pectinatella magnifica), where the presence of fructose and glucose was confirmed.

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$a Šmejkal, Karel $u Department of Natural Drugs, Faculty of Pharmacy, University of Veterinary and Pharmaceutical Sciences, Palackého tr. 1946/1, Brno 61242, Czech Republic. karel.mejkal@post.cz.

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