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随机抽取了市售的牛肉、虾肉、蜂蜜、贝类、鸡肉、猪肉、牛奶及鱼肉食品等8类动物源食品样品1709份,采用超高效液相-质谱法对食品中氯霉素的含量进行了检测调查分析。方法在0.5~50μg/L范围内呈良好的线性关系,相关系数R为0.997,检出限为0.1μg/kg,回收率在75%~120%之间。样品中除鸡肉、猪肉、牛肉、虾肉未检出外,其它种类的样品中均有检出。蜂蜜、贝类、牛奶及鱼肉样品中氯霉素的检出率分别为0.86%、1.41%、0.62%和0.39%;其含量范围分别为0.0~1.8μg/kg、0.0~4.5μg/kg、0.0~0.5μg/kg和0.0~2.6μg/kg。调查结果表明,市场上食品中氯霉素存在一定程度的污染,相关部门应该引起重视,并加强食品中违禁药物的监测工作。
A total of 1709 food samples from 8 animal sources, including beef, shrimp, honey, shellfish, chicken, pork, milk and fish, were collected at random. The content of chloramphenicol in food was determined by ultra performance liquid chromatography- Conducted a test investigation and analysis. The method showed good linearity in the range of 0.5 ~ 50μg / L, the correlation coefficient R was 0.997, the detection limit was 0.1μg / kg and the recovery was between 75% and 120%. Samples except chicken, pork, beef, shrimp were not detected, the other types of samples were detected. The detection rates of chloramphenicol in honey, shellfish, milk and fish samples were 0.86%, 1.41%, 0.62% and 0.39%, respectively. The contents ranged from 0.0 to 1.8μg / kg and 0.0-4.5μg / kg, 0.0 to 0.5 μg / kg and 0.0 to 2.6 μg / kg. The survey results show that there is a certain degree of contamination of chloramphenicol in food on the market and the relevant departments should pay attention to it and strengthen the monitoring of illicit drugs in food.