[Systematic analysis of oral hypoglycemic agents in health foods].

A systematic analysis for 11 ingredients of oral hypoglycemic agent in health foods was established using three different analytical methods; i.e. thin-layer chromatography (TLC), high-performance liquid chromatography (HPLC) and comparison of MS/MS spectra analyzed by liquid chromatography/tandem mass spectrometry (LC/MS/MS).

[Rapid determination of medical components found in the health food for weight loss by liquid chromatography/tandem mass spectrometry (LC/MS/MS)].

A method for the rapid determination of 11 medical components found in health foods for weight loss using liquid chromatography/tandem mass spectrometry (LC/MS/MS) has been developed. HPLC separation is performed on an ODS column with the gradient elution method. The mobile phase consists of two solvents.