Voglibose, acarbose, and miglitol are α-glucosidase inhibitors and known as anti-diabetes drugs. Those drugs have sugar structures and thus Asahipak NH2P-50 4E which is often used for sugar analysis, can be used to separate them.


Sample : 0.1 % each, 10 μL
1. Miglitol
2. Voglibose
3. Acarbose

Column       : Shodex Asahipak NH2P-50 4E (4.6 mm I.D. x 250 mm)
Eluent       : CH3CN/H2O=70/30
Flow rate    : 1.0 mL/min
Detector     : RI
Column temp. : 30 °C