2009年大连市部分食品中化学污染物监测分析

Monitoring and analysis on the chemical contaminants of food products in Dalian in 2009

目的了解大连市部分食品中重金属、有机磷及氨基甲酸酯农药残留、有机氯及菊酯农药残留以及环己基氨基磺酸钠的污染现状,对食品安全进行有效控制。方法按GB/T 5009—2003《食品卫生检验方法理化部分》检测铅、镉、汞、有机氯及菊酯农药残留、环己基氨基磺酸钠、有机磷及氨基甲酸酯农药残留。结果 39份样品中铅超标5份;镉和汞无超标样品。50份蔬菜样品中检出毒死蜱农药残留1份,超标1份;氯氰菊酯农药残留2份,超标1份。10份茶叶样品中检出联苯菊酯农药残留1份,无超标样品。有机磷及氨基甲酸酯农药、有机氯及菊酯农药、环己基氨基磺酸钠均无检出。结论大连市部分水产品中铅含量较高,污染较明显。需要进一步加强监测,控制污染。农药残留水平较低,只在个别蔬菜和茶叶中有不同程度的检出。

Objective To understand the contaminants,such as heavy metal,orgnaophosphorus,carbamates,organochlorine,sodium cyclamate in some food products in Dalian.Methods Detecting heavy metals,orgnaophosphorus,carbamates,organochlorine and sodium cyclamate in foods according to GB /T 5009—2003 food sanitation analysis methods.Results Lead content in 5 of 39 samples was over the qualified standard.Chromium and mercury content were not over the qualified standard.Durshan residue was detected and exceeding standard in 1 of 50 vegetable samples.Cypermethrin residue was detected in 2 and exceeding standard in 1 of 50 vegetable samples.Bifenthrin residue was detected in 1 of 10 tea samples.Orgnaophosphorus and carbamates,organochlorine and pyrethroid pesticides,and sodium cyclamate were not detected in any sample.Conclusion The contamination of lead in fishery products were obvious in Dalian.Strengthening supervision and controlling pollution is needed.Pesticide residue levels were low,and detected only in a few tea and vegetable samples.