Objective: To establish an UPLC method for rapid identification and quantitation of 15 chemical components in anti-common cold Chinese traditional patent medicine and health foods. Methods: The samples were extracted by ultrasonic machine with 1% acetic acid methanol solution. After centrifugation,the supernatant was injected and the separation was performed on a Waters HSS T3 column(100 mm×2.1 mm,1.8 μm) and the column temperature was set at 40 ℃ . The mobile phase was composed of acetonitrile and 0.1% phosphoric acid with gradient elution at a flow rate of 0.3 mL·min-1. The detection wavelength was set at 210 nm for qualification and quantification. Results: The linearity of all the 15 drugs ranged from 4.860 μg·mL-1 to 110.2 μg·mL-1 with the correlation coefficients of greater than 0.999 5. The limits of detection were between 0.09 and 0.11 μg·mL-1,and the recoveries were in the range of 97.0% to 108.6%,with the relative standard deviations of 0.43% to 2.1%. Using this method,6 batches of positive samples were detected in 10 batches of samples. Paracetamol and chlorphenamine maleate were identified in two batches of anti-common cold Chinese traditional patent medicine,paracetamol,chlorphenamine maleate,prednisone acetate,diclofenac sodium,ibuprofen were found in four batches of health foods. Conclusion: The established method is simple,rapid,accurate,stable and reproducible,and it can be applied to the screening,confirmation and quantitation of 15 illegally added drugs in anti-common cold traditional Chinese medicine and health foods.
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