Pregled bibliografske jedinice broj: 11073
Flavonoids of Guiera senegalensis J.F. GMEL.- Thin-Layer Chromatography and Numerical Methods
Flavonoids of Guiera senegalensis J.F. GMEL.- Thin-Layer Chromatography and Numerical Methods // Croatica chemica acta, 71 (1998), 1; 69-79 (međunarodna recenzija, članak, znanstveni)
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Naslov
Flavonoids of Guiera senegalensis J.F. GMEL.- Thin-Layer Chromatography and Numerical Methods
Autori
Maleš, Željan ; Medić-Šarić, Marica ; Bucar, Franz
Izvornik
Croatica chemica acta (0011-1643) 71
(1998), 1;
69-79
Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni
Ključne riječi
Guiera senegalensis J.F.GMEL; Numerical Taxonomy; Discriminating Power; Information Contents; Clusters; Dendrogram
Sažetak
The efficiency of seven thin-layer chromatographic systems for separating nine flavonoids isolated from Guiera senegalensis J.F.GMEL. ( Combretaceae ) was investigated. For this purpose, three mathematical techniques were applied. The first technique was the calculation of the information content derived from Shannon's equation for each chromatographic system. In the second technique, the discriminating power of the systems was measured individually and in various combinations. The third technique classifies chromatographic system according to clusters. The classification was carried out by the numerical taxonomy methods. The most suitable chromaographic systems for the separation of the investigated flavonoids are: ethyl acetate: ethylmethylketon: formic acid:water, 60:15:3:2, and ethyl acetate: formic acid: acetic acid: water, 100:11:11:27.
Izvorni jezik
Engleski
Znanstvena područja
Farmacija
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Časopis indeksira:
- Current Contents Connect (CCC)
- Web of Science Core Collection (WoSCC)
- SCI-EXP, SSCI i/ili A&HCI
