韶关市区食品污染物监测研究

Determination and analysis on Certain Food Contamination in Shaoguan Downtown

目的掌握韶关市区食品污染物状况及危害程度,为该地区控制食品污染制定控制措施,保障食品安全和市民的健康提供科学依据。方法选择韶关市区主要集贸市场,随机抽取18类23个品种599份食品样品,分别进行镉、铅、氟、二氧化硫、胭脂红、日落黄、柠檬黄、苯甲酸、山梨酸、安赛蜜、糖精钠、农药残留监测。以5类食品,11个品种,156份样品进行沙门菌、肠出血性大肠杆菌、单核细胞增生性李斯特菌、副溶血性弧菌等食源性致病菌的监测。结果蔬菜中甲胺磷农药残留检出率6.07%,敌敌畏农药检出率8.41%,镉的超标率14.7%,铅的超标率20.6%,二氧化硫的超标率4.4%;茶叶中氟的含量较高,平均值106.1mg/kg。所检测的食品添加剂除二氧化硫外,合格率100%。海水产品中副溶血性弧菌的检出率20.0%,沙门菌的检出率5.0%。结论韶关市区的部分食品受到镉、铅、氟、农药残留、食源性致病菌的污染,存在食品安全的风险。

Objective To understand the situation and harmfulness of food contamination, ensure the food safety and provide the evidence for citizen health. Method The main markets were slected in Shaoguan downtown, sample 18 kinds and 23 items and 599 pieces were slected randomly and were examined for Cadmium, Lead, Fluorine, Sulfur Dioxide, Ponceau 4R, Sunset Yellow, Tartrazine, Benzoidacid, Sorbic Acid, Acesulfamek, saccharin sodium, pesticide residues. 5 kinds and 11 items and 156 pieces were examined for Salmonella, Hmorrhagic Colitis, Listeria monocygenes, Vibrio parahamolyticus. Results In samples of vegetable, the detection rates of Methamidophos were 6.07 % and the detection rates of Dichlorvos were 8.41 %. The rates over standard for Cadmium, Lead, Sulfur Dioxide were 14.7%, 20.6%, 4.4% respectively. The percentages of Fluorine were relatively high in tea, the average data were 106. lmg/kg. The qualification rate of the contents of Benzoic acid, Sorbic Acid in food were 100%. The detection rates in food of Vibrio parahamolyticus were 20.0%, .and Salmonella were 5.0%. Conclusion Some of the food products in Shaoguan downtown could be contaminated by Cadmium, Lead, Fluorine, pesticide residues, foodborne pathogenic.