ホルモースの合成と利用(第2報)

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タイトル別名
  • Studies on Synthesis and Utilization of Formose Part II
  • ホルモース ノ ゴウセイ ト リヨウ 2 ホルモース ノ フンベツ オヨビ トウ ソセイ ニ ツイテ
  • ホルモースの分別および糖組成について
  • Chromatographic Fractionation and Identification of Formose Sugar

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The sugar composition of formose, that is monosaccharide mixture produced from the dilute formaldehyde aqueous solution at yellowing point in the presence of calcium hydroxide, was investigated by the various methods of chromatography, i.e., paper chromatography of formose, thin-layer chromatography of formose and its phenyl osazone derivative, gas-liquid chromatography of alditol acetate and trimethylsilyl derivatives of formose, and liquid-solid chromatography (sugar-autoanalyzer) of formose sugar. The results were as follows:<br> Formose was mixture of monosaccharides of various carbon number (aldose and ketose). Hexose was the major component, pentose was the second and triose, tetrose and heptose were the minor components. The following 12 kinds of DL-racemic sugars in the above-mentioned monosaccharide group were detected. Glycerose and dioxyacetone as triose; erythrose and threose as tetrose; arabinose and xylose as pentose; mannose, galactose, glucose, gulose, fructose and sorbose as hexose group, respectively. A number of other pending spots or peaks were found on chromatographic patterns of formose.

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