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  • Title: High-performance liquid chromatographic determination of L-aspartyl-L-phenylalanine methyl ester in various food products and formulations.
    Author: Fox L, Anthony GD, Lau EP.
    Journal: J Assoc Off Anal Chem; 1976 Sep; 59(5):1048-50. PubMed ID: 965327.
    Abstract:
    A simple, rapid, and specific high-performance liquid chromatographic (HPLC) procedure is described for the analysis of the chemical sweetener L-aspartyl-L-phenylalanine methyl ester (aspartame). Using a strong cation exchange column and pressures less than 1000 psig, an analysis can be performed in less than 15 min. The technique has been applied to a wide range of food products and formulations. No interferences were found in the samples studied. Recoveries are quantitative, and the coefficients of variation for replicate analyses are less than or equal to 2.5%.
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