A single-run HPLC–PDA method for simultaneous screening of sibutramine, phenolphthalein, caffeine and furosemide in weight-loss products
Background: A high-performance liquid chromatography method with photodiode-array detection (HPLC-PDA) was developed and validated for the simultaneous quantification of caffeine (CAF), furosemide (FUR), phenolphthalein (PHE), and sibutramine (SIB) in herbal weight-loss products. Materials and Methods: The method emplo...