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Electrochemical study of the flavour enhancer maltol. Determination in foods by liquid chromatography with amperometric detection

✍ Scribed by M.Jesús Portela; Zuriñe Gómez de Balugera; M.Aránzazu Goicolea; Ramón J. Barrio

Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
509 KB
Volume
327
Category
Article
ISSN
0003-2670

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✦ Synopsis

The electrochemical behaviour of malt01 on a glassy carbon electrode was studied. The results were applied to electrochemical detection in liquid chromatography (TX-ED). Liquid chromatography (LC) and oxidative amperometric detection with a glassy carbon electrode were used for the determination of malt01 in food samples. A mobile phase of methanol-acetonitrilecitrate/phosphate buffer, pH=2.4 (50:48:2) was used with the detector operated at E=lOOOmV vs. Ag/ AgCl reference electrode. Under optimal conditions detection and determination limits of 0.1 and 3.7 ng respectively were obtained. The method was used for the determination of malt01 in cakes. Conditions for clean-up of the sample were established using solid phase extraction cartridges.

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