a novel and simple rapid shaking-based method of ionic liquid dispersive liquid phase microextraction
for the determination of six synthetic food colourants (Tartrazine, Amaranth, Sunset Yellow, Allura
Red, Ponceau 4R, and Erythrosine) in soft drinks, sugar- and gelatin-based confectionery was established.
High-performance liquid chromatography coupled with an ultraviolet detector was used for the determinations.