Establish an analytical method of Red 2G in meat product by high performance liquid chromatography (HPLC). MethodsRed 2G in meat product was extracted by ethylate-ammonia solution and purified by polyamide, then analyzed with HPLC-PDA. ResultsThe standard curve showed good linearity in the range of 1.00-20.00μg/ml; the LOD was 0.1mg/kg; the average recovery was between 79.9%-84.4%. The RSD was 2.20%-6.45% (n=6). ConclusionThis method is suitable for analysis of Red 2G in meat product with high selectivity and sensitivity.
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Li Jingna, Xiao Yonghua, Zhang Yi, Huang Changgang, Wang Jun, Ling Yun, He Zhenyu, Zhou Dunjin. Determination of Red 2G in meat product by high performance liquid chromatography[J].中国食品卫生杂志,2013,25(1):40-43.