Abstract:In China, one of the top concerns in food safety is swill-cooked dirty oil. The identification indexs of swill-cooked dirty oil are used to judge whether the unknown oil contains swill-cooked dirty oil or not. Common identification indexes of swill-cooked dirty oil include endogenous components and exogenous impurities. Meanwhile, the application of chromatographic technology in the determination of fatty acids, cholesterol and trace impurities in swill-cooked dirty oil was reviewed. It was pointed that the specific indicators of swill-cooked dirty oil should be screened continuously. At the same time, the swill-cooked dirty oil should be detected by a variety of different methods, and the detection results of various methods should be combined for identification to improve the identification accuracy. |