A Rapid Determination of Sucrose and Fructose in Biological Samples by Video Densitometry

摘要

Simple, rapid methods which have been developed for the separation and quantification of sucrose and fructose in biological materials are presented. The method uses thin layer chromatography. The saccharides are stained with thymol-reagent on the chromatograms. The quantitative determination of red spots of saccharides are performed with a Telechrom video densitometer. The density of the spots are directly proportional to the concentration of the saccharides in a certain range. The saccharides content of the sample may be determined with a standard curve on the same chromatograms. The reproducibility of the methods are characterized by a cofficient of variation of about 4–5%