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Izvorni znanstveni članak
Flavonoids of Guiera senegalensis J. F. GMEL. − Thin-layer Chromatography and Numerical Methods
Željan Maleš
; Department of Pharmacognosy, Faculty of Pharmacy and Biochemistry, University of Zagreb, 10000 Zagreb, Croatia
Marica Medić-Šarić
; Department of Pharmaceutical Chemistry, Faculty of Pharmacy and Biochemistry, University of Zagreb, 10000 Zagreb, Croatia
Franz Bucar
; Institute of Pharmacognosy, Karl-Franzens-University, Graz, Austria
| Puni tekst: engleski, pdf (83 KB) | str. 69-79 | citiraj | |
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APA 6th Edition Maleš, Ž., Medić-Šarić, M. i Bucar, F. (1998). Flavonoids of Guiera senegalensis J. F. GMEL. − Thin-layer Chromatography and Numerical Methods. Croatica Chemica Acta, 71 (1), 69-79. Preuzeto s https://hrcak.srce.hr/132325 MLA 8th Edition Maleš, Željan, et al. "Flavonoids of Guiera senegalensis J. F. GMEL. − Thin-layer Chromatography and Numerical Methods." Croatica Chemica Acta, vol. 71, br. 1, 1998, str. 69-79. https://hrcak.srce.hr/132325. Citirano 17.09.2019. Chicago 17th Edition Maleš, Željan, Marica Medić-Šarić i Franz Bucar. "Flavonoids of Guiera senegalensis J. F. GMEL. − Thin-layer Chromatography and Numerical Methods." Croatica Chemica Acta 71, br. 1 (1998): 69-79. https://hrcak.srce.hr/132325 Harvard Maleš, Ž., Medić-Šarić, M., i Bucar, F. (1998). 'Flavonoids of Guiera senegalensis J. F. GMEL. − Thin-layer Chromatography and Numerical Methods', Croatica Chemica Acta, 71(1), str. 69-79. Preuzeto s: https://hrcak.srce.hr/132325 (Datum pristupa: 17.09.2019.) Vancouver Maleš Ž, Medić-Šarić M, Bucar F. Flavonoids of Guiera senegalensis J. F. GMEL. − Thin-layer Chromatography and Numerical Methods. Croatica Chemica Acta [Internet]. 1998 [pristupljeno 17.09.2019.];71(1):69-79. Dostupno na: https://hrcak.srce.hr/132325 IEEE Ž. Maleš, M. Medić-Šarić i F. Bucar, "Flavonoids of Guiera senegalensis J. F. GMEL. − Thin-layer Chromatography and Numerical Methods", Croatica Chemica Acta, vol.71, br. 1, str. 69-79, 1998. [Online]. Dostupno na: https://hrcak.srce.hr/132325. [Citirano: 17.09.2019.] |
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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 systems according to clusters. The classification was carried out by the numerical taxonomy methods. The most suitable chromatographic 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.
Hrčak ID: 132325
URI
https://hrcak.srce.hr/132325
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