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Sugar Alcohols (2) (NH2P-50)


In the Guidelines on Nutrition Labelling in Japan, amino columns of 4.6 mm I.D. x 250 mm Length are adopted for the analysis of monosaccharides, disaccharides and sugar alcohols. This chromatogram shows the analysis result of typical sugar alcohol standards using an amino column, Asahipak NH2P-50 4E . Since the column is polymer-based, it is durable compared with silica-based columns and can be washed by alkali solution. The eluent used is the mixture of water and acetoritrile. The elution volume can be changed by changing the mixing ratio.

Sample : 0.5 % each, 20 μL
1. meso-Erythritol
2. Xylitol
3. Sorbitol
4. myo-Inositol
5. Maltitol
6. Palatinit

Column       : Shodex Asahipak NH2P-50G 4A (4.6 mm I.D. x 10 mm)
               + NH2P-50 4E (4.6 mm I.D. x 250 mm)
Eluent       : H2O/CH3CN=25/75
Flow rate    : 1.0 mL/min
Detector     : RI
Column temp. : Room temp.

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