Abstract
A simple and rapid analytical procedure for determination of saccharin (SAC) and acesulfame-K (AC-K) based on UV-vis measurements and partial least squares (PLS) was proposed. Thus, an experimental design at levels 2 and 15 mg l−1 for SAC and 2 and 20 mg l−1 for AC-K was applied. Because real samples usually contain SAC and AC-K combined with aspartame (ASP), this interference was also included in the model. The procedure was successfully applied for SAC and AC-K simultaneous determination in sweeteners and fruit juice powders, without any separation step to remove ASP. The results were validated by using spiked samples, and the obtained recoveries were satisfactory.
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Acknowledgments
The authors acknowledge financial support from Universidad Nacional and Proyecto Grupo de Investigación (PGI) granted for Secretaría General de Ciencia y Tecnología (Argentina). B.S. Fernández and N.E. Llamas wishes to thank Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET, Argentina).
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Llamas, N.E., Di Nezio, M.S., Palomeque, M.E. et al. Direct Determination of Saccharin and Acesulfame-K in Sweeteners and Fruit Juices Powders. Food Anal. Methods 1, 43–48 (2008). https://doi.org/10.1007/s12161-007-9006-z
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DOI: https://doi.org/10.1007/s12161-007-9006-z