“…Because of their high sensitivity and selectivity, LC-MS based methods provide the capability of multi-component validation, quantification and microanalysis [28]. Liquid chromatography with triple quadrupole (LC-QQQ-MS) or ion trap (LC-IT-MS) were used for the simultaneous determination of azo-dyes in chili products, spices [7,29,30], malachite green, leucomalachite green and rhodamine 6G in fish [31][32][33][34].…”