the quinophthalone quinoline yellow (E104); the triarylmethane compounds patent blue V (E131) and brilliant blue FCF (E133) and the indigo colorant indigo carmine (E132). The method was validated according to 2004/882/CE Regulation (Annex III) [33] for the detection of yellow, red and blue food dyes in beverages and yellow and red dyes in solid food matrices.