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目的了解铁岭市市售蔬菜中重金属污染水平,为加强食品安全性管理提供科学依据。方法采集样品175份。用国标法检测镉、铅、汞。结果镉、铅、汞检出率分别为39.43%、11.43%、29.71%,超标率分别1.14%、0.57%、2.29%。农贸市场蔬菜镉检出率(48.76%)高于超市(29.41%),市区蔬菜汞检出率(43.21%)最高,农村最低(13.51%)。春秋季蔬菜均有重金属检出,夏季蔬菜无重金属检出。结论铁岭市蔬菜重金属污染程度不高,对于市区供应蔬菜、温室大棚蔬菜、农贸市场蔬菜的重金属污染,应加大监测管理力度。
Objective To understand the level of heavy metal pollution in vegetables sold in Tieling City and provide a scientific basis for strengthening food safety management. Methods 175 samples were collected. GB test cadmium, lead, mercury. Results The detection rates of cadmium, lead and mercury were 39.43%, 11.43% and 29.71%, respectively, exceeding the standards of 1.14%, 0.57% and 2.29% respectively. The detection rate of vegetable cadmium in farmer’s market is higher than that of supermarkets (48.76%), the detection rate of mercury in urban vegetables is the highest (43.21%), and the lowest in rural areas (13.51%). Spring and autumn vegetables are detected in heavy metals, summer vegetables without heavy metals detected. Conclusion The level of heavy metal pollution in vegetables is not high in Tieling City. Monitoring and management should be strengthened for the heavy metal pollution of vegetables supplied in urban areas, vegetables in greenhouses and vegetable farmer’s markets.