Hulisan tablets (HLST), a famous classic traditional Chinese prescriptions consisting of four medicinal herbs, have been applied for treating fractures, rheumatoid arthritis, mechanical phlebitis and traumatic bleeding extensively. In this study, a simple and reliable method using high-performance liquid chromatography with diode array detector (HPLC-DAD) was established for the simultaneous determination of 10 active compounds in HLST. The chromatographic analysis was performed on a Symmetry(®)-C18 column (4.6 × 250 mm, i.d., 5 µm; Waters, Wexford, Leinster, Ireland) at 30°C with a gradient elution of 0.1 mol/L ammonium acetate (containing 0.5 mL glacial acetic acid per 1,000 mL) and acetonitrile at a flow rate of 1.0 mL/min. The detection UV wavelengths were set at 232, 254 and 280 nm. The method was validated by linearity, precision, stability and recovery. Calibration curves for the 10 compounds showed good linear regressions (R(2) > 0.9992). The limits of detection and quantification fell in the ranges of 0.03-0.36 and 0.11-1.01 µg/mL, respectively. The results of the recovery test were 97.19-102.04% with a RSD value of 0.65-2.47%. The developed method was subsequently applied to evaluate five batches of HLST and testified to be suitable for the quality control.
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