Determination of the hydrothermal degradation products of D-(U-14C) glucose and D-(U-14C) fructose by TLC |
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Authors: | G Bonn O Bobleter |
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Institution: | (1) Institute of Radiochemistry, University of Innsbruck, Innrain 52a, A-6020 Innsbruck, Tirol, Austria |
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Abstract: | The hydrothermal degradation was examined using D-(U-14C) glucose and D-(U-14C) fructose. By thin layer chromatography with methylene chloride, tetrahydrofuran (THF), acetic acid −60∶20∶20 as a mobile
phase it was, possible to separate and identify the carbohydrates and their reaction products, glyceraldehyde, dihydroxyacetone,
methylglyoxal, glycolaldehyde, 5-hydroxymethylfurfural and furfural. Up to 99% of the initial activity was determined by scintillation
counting of the TL-chromatograms. A reaction scheme for the hydrothermal degradation of glucose and fructose was obtained
from these results. |
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Keywords: | |
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