论文部分内容阅读
目的了解广西南宁市市售的畜禽内脏组织中抗生素、激素、重金属残留及其病理变化情况。方法随机抽取南宁市场上销售的鸡、鸭、猪肝,生鲜牛奶;应用酶免疫吸附法检测激素,应用氢化物原子荧光光度法检测砷含量,应用双硫腙分光光度计法检测铅含量,应用石墨炉原子吸收光谱法检测镉含量,应用苏木素-伊红染色法做组织病理切片,在显微镜下观察病理改变。结果从8个市场共收集样品371份。其中33份鸡肝、35份鸭肝、34份猪肝样品的铅检出率分别为72.72%,85.00%,73.53%;31份鸡肝和30份鸭肝样品的镉检出率均为100%;33份鸡肝、34份鸭肝和27份猪肝样品的砷检出率分别为93.34%,11.76%和33.33%;33份鸡肝样品中27份砷检测值超标,超标率为81.82%。70份鲜牛奶样品有4份检出速效氯霉素,检出率为5.72%。28份鸡肝、20份鸭肝样品全部检出乙烯雌酚。结论南宁市的畜禽食品污染严重,存在安全隐患。
Objective To understand the antibiotics, hormones, heavy metal residues and their pathological changes in the visceral tissues of livestock and poultry on the market of Nanning, Guangxi. Methods Chickens, ducks, pigs and fresh milk were collected randomly from Nanning market. Hormone was detected by enzyme-linked immunosorbent assay. Arsenic was detected by hydride atomic fluorescence spectrometry. Dithizone spectrophotometer was used to detect the content of lead, The content of cadmium was determined by graphite furnace atomic absorption spectrometry. The hematoxylin and eosin staining was used to make histopathological sections. The pathological changes were observed under the microscope. Results A total of 371 samples were collected from eight markets. The detection rates of lead in 33 samples of chicken liver, 35 samples of duck liver and 34 samples of pig liver were 72.72%, 85.00% and 73.53%, respectively. The detection rates of cadmium in 31 samples of chicken liver and 30 samples of duck liver were 100 %. The detection rates of arsenic in 33 samples of chicken liver, 34 samples of duck liver and 27 samples of porcine liver were 93.34%, 11.76% and 33.33%, respectively. %. Four samples of 70 fresh milk samples showed fast-acting chloramphenicol, with a detection rate of 5.72%. 28 parts of chicken liver, 20 parts of duck liver samples were all detected diethylstilbestrol. Conclusion The pollution of livestock and poultry food in Nanning is serious and there are potential safety problems.