Determination of Content of Aspartame in Tea Beverages by High Performance Liquid Chromatography
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Abstract:
To establish a high performance liquid chromatography (HPLC) method for determination content of Aspartame in tea beverages ,20 μL samples were tested on a thermo C18 column using 0.01 mol?L-1 potassium dihydrogen phosphate and acetonitrile (40:60) as mobile phase was with flow rate of 1.0 mL/min at 210nm.The results showed that Aspartame concentration had good liner relationship within the range of 0~50 μg/mL (Y=52139X (0~50 μg/mL, R=0.9994). The average recovery was 100.3% with RSD of 0.33%.The method was simple, fast, accurate, and precise, which could be used to determine content of aspartame in tea beverages.
