Supercritical fluid extraction and high performance liquid chromatographic determination of benzopyrans and phloroglucinol derivative in Hypericum polyanthemum

The aerial parts of Hypericum polyanthemum Klotzsch ex Reichardt (Guttiferae) were successively extracted with supercritical carbon dioxide (SC CO 2) under pressures of 90, 120, 150 and 200 bar at different temperatures (40, 50 and 60 °C), and compared with the n-hexane extract obtained by ultrasoun...

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Veröffentlicht in:	Journal of chromatography. B, Analytical technologies in the biomedical and life sciences Analytical technologies in the biomedical and life sciences, 2010-01, Vol.878 (1), p.83-87
Hauptverfasser:	Cargnin, Simone Tasca, de Matos Nunes, Jéssica, Haas, Juliana Schulte, Baladão, Luís Fernando, Cassel, Eduardo, Vargas, Rubem Figueiró, Rech, Sandra Beatriz, von Poser, Gilsane Lino
Format:	Artikel
Sprache:	eng
Schlagworte:	Analysis Analysis of Variance Analytical, structural and metabolic biochemistry Benzopyrans Benzopyrans - analysis Benzopyrans - chemistry Biological and medical sciences Carbon Dioxide - chemistry Chromatography, High Pressure Liquid - methods Chromatography, Supercritical Fluid - methods Fundamental and applied biological sciences. Psychology General pharmacology Herb processing Hexanes - chemistry Hypericum Hypericum - chemistry Medical sciences Pharmacology. Drug treatments Phloroglucinol - analogs & derivatives Phloroglucinol - analysis Phloroglucinol - chemistry Phloroglucinol derivative Plant Components, Aerial - chemistry Pressure Reproducibility of Results Sensitivity and Specificity Supercritical extraction Temperature
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