Abstract

Abstract A silica bonded-phase with carboxylic acid functionality and a side chain of three carbon atoms has been synthesized for HPLC analysis. Mixtures of nucleic acid bases, PTH-amino acids, phospholipids and ethanolic extract of dry ginger powder were analyzed to demonstrate its performance. Nucleic acid bases and PTH-amino acids were separated by cation-exchange mechanism whereas phospholipids experienced combination of cation-exchange and normal-phase resolution. The resolution of gingerols in the dry ginger powder was achieved by reversed-phase mechanism.

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