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Original scientific paper

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

Fulltext: english, pdf (83 KB) pages 69-79 downloads: 475* cite
APA 6th Edition
Maleš, Ž., Medić-Šarić, M. & Bucar, F. (1998). Flavonoids of Guiera senegalensis J. F. GMEL. − Thin-layer Chromatography and Numerical Methods. Croatica Chemica Acta, 71 (1), 69-79. Retrieved from 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, no. 1, 1998, pp. 69-79. https://hrcak.srce.hr/132325. Accessed 20 Sep. 2020.
Chicago 17th Edition
Maleš, Željan, Marica Medić-Šarić and Franz Bucar. "Flavonoids of Guiera senegalensis J. F. GMEL. − Thin-layer Chromatography and Numerical Methods." Croatica Chemica Acta 71, no. 1 (1998): 69-79. https://hrcak.srce.hr/132325
Harvard
Maleš, Ž., Medić-Šarić, M., and Bucar, F. (1998). 'Flavonoids of Guiera senegalensis J. F. GMEL. − Thin-layer Chromatography and Numerical Methods', Croatica Chemica Acta, 71(1), pp. 69-79. Available at: https://hrcak.srce.hr/132325 (Accessed 20 September 2020)
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 [cited 2020 September 20];71(1):69-79. Available from: https://hrcak.srce.hr/132325
IEEE
Ž. Maleš, M. Medić-Šarić and F. Bucar, "Flavonoids of Guiera senegalensis J. F. GMEL. − Thin-layer Chromatography and Numerical Methods", Croatica Chemica Acta, vol.71, no. 1, pp. 69-79, 1998. [Online]. Available: https://hrcak.srce.hr/132325. [Accessed: 20 September 2020]

Abstracts
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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