Abstract

Abstract Separation of 3-, 7- and 12-monosulfates of cholate, chenodeoxycholate, deoxycholate, lithocholate and ursodeoxycholate and their glyco- and tauro-conjugates by high-performance liquid chromatography on a reversed phase column has been carried out. Effects of pH and salt concentration of a mobile phase on the k' value of sulfated bile acids were investigated with the μBondapak C18 and ODS SC-02 columns. The 3-sulfated bile acids were efficiently separated on ODS SC-02 using three aqueous ammonium carbonate/acetonitrile systems. The chromatographic behaviors of 7-and 12-sulfated bile acids are also briefly discussed.

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