TABLE 1.
Sterols were extracted from T. cruzi epimastigotes cultured in LIT medium in the absence or in the presence of the indicated concentrations of UR-9825 or ketoconazole for 120 h; they were separated from polar lipids by silicic acid column chromatography and were analyzed by quantitative capillary gas-liquid chromatography and mass spectrometry as described in Materials and Methods. Results are expressed as mass percent.