The method of detection of clenbuterol hydrochloride in pork by high-performance liquid chromatography was established after simplifying the steps of the national standard method to optimize the chromatographic conditions.. The results showed that, the optimized conditions just require two processes of extraction and protein precipitation, by using Alsonsil C18 HPLC column, optimized parameters for HPLC running were mobile phase ratio of acetonitrile to ammonium acetate 25∶75, flow rate 1.0 mL/min, injection volume 20 μL, detection wavelength 243 nm and detection limit was 0.025 mg/kg. The coefficient of recovery was up to 88.55%~94.03% and the relative standard deviation (RSD) was less than 2%. This method is accurate, rapid, low-cost and simple ,which is suitable for rapid detection of clenbuterol in pork .

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