Stevioside and Rebaudioside A (NH2P-50 4E)
Polymer-based-amino column, Asahipak
NH2P-50 4E was used to separate stevioside and rebaudioside A, that were extracted from stevia.
Sample : 0.05% each, 20micro-L
1.
Stevioside
2.
Rebaudioside A
Column : Shodex Asahipak NH2P-50 4E (4.6mmID*250mm)
Eluent : H2O/CH3CN=25/75
Flow rate : 1.0mL/min
Detector : UV (210nm)
Column temp. : 30deg-C