GC-MS and AAS in Fractionation Analysis of Herbal Supplement
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1164 Sofia, bld. J. Bourchier 1, Faculty of Chemistry, University of Sofia, Bulgaria
Christo Chanev   

1164 Sofia, bld. J. Bourchier 1, Faculty of Chemistry, University of Sofia, Bulgaria
Online publication date: 2007-10-01
Publication date: 2007-10-01
Eurasian J Anal Chem 2008;3(1):44–55
An analytical scheme based on solid phase and liquid-liquid extraction was proposed for the fractionation of element species and organic constituents in a mixture (1:1) of 8 Bulgarian medicinal plants proposed as herbal nutritional supplement using GC-MS and AAS. Solid phase extraction was performed with water, 0.1 mol L-1 HCl, Tris-buffer (pH 7.6) and methanol. Liquid-liquid successive extractions were performed with petroleum ether, diethyl ether, CHCl3 and ethyl acetate. The potential bioavailability of water and lipid – soluble compounds were discussed.
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