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Application of information theory and numerical taxonomy methods to thin-layer chromatographic investigations of Hypericum perforatum L. (CROSBI ID 107450)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Medić-Šarić, Marica ; ; Brantner, Adelheid ; Maleš, Željan Application of information theory and numerical taxonomy methods to thin-layer chromatographic investigations of Hypericum perforatum L. // Acta pharmaceutica, 46 (1996), 2; 115-124-x

Podaci o odgovornosti

Medić-Šarić, Marica ; ; Brantner, Adelheid ; Maleš, Željan

engleski

Application of information theory and numerical taxonomy methods to thin-layer chromatographic investigations of Hypericum perforatum L.

The efficiency of nine TLC systems for separating six main components of a methanolic extract of Hypericum perforatum (St. Johns wort) was investigated. For this purpose, three mathematical approaches have been applied. The first approach was the calculation of the information content for each chromatographic system. Secondly, the discriminating power of the systems was measured individually and in diverse combinations. As a third approach the chromatographic systems were classified into dissimilar groups and of each group with similar separation characteristics the best system was selected according to the information content. The classification was carried out by the numerical taxonomy methods.

Hypericum perforatum L.; thin-layer chromatography; information content; discriminating power; numerical taxonomy

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Podaci o izdanju

46 (2)

1996.

115-124-x

objavljeno

1330-0075

Povezanost rada

Povezane osobe



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Indeksiranost