Consideration of the Gas Chromatographic Method for the Determination of Sugars
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概要
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Optimum conditions were established for the preparation of tetramethylsilyl (TMS) derivatives from aqueous sugar solution for gas liquid chromatography.<BR>1) Tetramethylsilylation by the addition of 0.25ml of pyridine, 1.25ml of N-TMSI and 0.2ml of TMCS to 25μl of 20% aqueous solution gives TMS derivative with precision equal to that obtained by the conventional method, and a good result was obtained in the recovery experiment. Consequently, this new method will eliminate the dehydration process necessary in the conventional method and disregard the low solubility of oligosaccharides in pyridine.<BR>2) The programmed GLC method has higher analytical precision than the isothermal GLC method, and there was a significant difference between these two methods.
- 公益社団法人 日本栄養・食糧学会の論文
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