武汉市市售灌肠类肉制品中红色2G色素非法使用现状及分析

Investigation and analysis on red 2G in sausage product in Wuhan city

目的对武汉市市场销售的灌肠类肉制品中红色2G色素非法使用现状进行监测,对其健康危害评估提供依据。方法在全市范围内分层随机抽样,采集超市、集贸市场及肉制品专营店出售的灌肠类食品样品156件,采用高效液相色谱法检测,Eclipse XDB-C18色谱柱(4.6 mm×250 mm,5μm),甲醇和0.02 mol/L乙酸铵溶液为流动相进行梯度洗脱,流速1.0 ml/min,柱温35℃,检测波长530 nm,进样量10μl。结果 23件样品检出红色2G色素,检出率为14.74%,含量范围0.20～5.21 mg/kg,集贸市场检出率高于其他经营场所(P<0.05)。结论灌肠类肉制品中红色2G色素污染现象不容忽视,建议有关部门将其列为食品安全日常监测项目。

Objective To investigate the illegal use of red 2G in sausage product and provide scientific basis for hazard analysis.Methods Stratified sampling was used to collect 156 sausage samples from supermarket,country fair and boutique in Wuhan urban area.The content of red 2G was determined by high performance liquid chromatography（HPLC）,Chromatographic column for Eclipse XDB-C18（4.6 mm×250 mm,5μm）column by using methyl alcohol and ammonium acetate（0.02 mol/L）as mobile phase with a flow rate of 1.0 ml/min at 35 ℃.The detector at 530 nm with a injection volume of 10 μl.Results Red 2G were detected in 23 sausage products and the contamination ratio was 14.74%.In positive samples,it ranged from 0.20 to 5.21 mg/kg.Conclusion The illegal use of red 2G in sausage was serious and we should bring it into the routine food safety monitoring project.