Determination and Comparison of Aspartame Level in Low Calorie Table Top Sweeteners by Ultraviolet Visible Spectroscopy


  • Narjis Naz Lahore College for Women University, Lahore, Pakistan
  • Subreena Altaf Lahore College for Women University, Lahore, Pakistan



Aspartame, UV/Visible spectroscopy, Sweetener, KMnO4.


The analysis of aspartame was done in table top sweeteners using Ultraviolet visible Spectroscopy. The method is based on the formation of manganate ion (MnO42-) when potassium permanganate oxidizes aspartame. The analysis was carried out at a fixed wavelength of 600nm exactly after 48 minutes of sample preparation using 1mL of 0.01M KMnO4 and 2mL of 1.0M NaOH. A linear calibration graph was obtained with the regression coefficient of 0.9999 and the percentage recovery was in the range of 92.7-101.6%. The Relative standard deviation for the method was found to be 1.03%.


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How to Cite

Narjis Naz, & Subreena Altaf. (2018). Determination and Comparison of Aspartame Level in Low Calorie Table Top Sweeteners by Ultraviolet Visible Spectroscopy. Journal of Basic & Applied Sciences, 14, 197–201.



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