In Vitro Evaluation of the Effects of Eurycoma longifolia Extract on CYP-Mediated Drug Metabolism

Figure 1

Representative HPLC chromatogram of Eurycoma longifolia extracts. The extract of E. longifolia (1 mg/mL) was analyzed by HPLC with a C18 column. The UV detection wavelength was set at 244 nm. The retention time of eurycomanone was 13.4 min and the resulting content was calculated as % of E. longifolia extract ().