蔬菜中有机磷农药残留状况调查与膳食风险评估

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Investigation into Organophosphorus Pesticide Residues in Vegetables and DietaryRisk Assessment

CHENMengyao1 GAO Meng² GUO Xin² LIUDongkai2 SANG Zhe² CHEN Kai² OU Shuai² （1.Wenshang County Inspection and Testing Center;2.Liangshan County Inspection and Testing Center）

Abstract：Byanalyzing thedataof vegetable supervision and sampling in Jining Administration forMarket Regulation from2022 to2O23，thestatusoforganophosphorus pesticideresidues invegetables was investigated，andthehealth risks of people's exposure to organophosphorus pesticides through dietary intake wereassessed.Atotal of 57 batches of unqualifiedorganophosphorus pesticides were detected in 3489 batches of vegetables，and the overallunqualified ratewas 1.63% .Theunqualified samples included1l varieties of7vegetable categories，including bulb vegetables， brasicavegetables，leafyvegetables，olanaceousvegetables，melonvegetables，legumevegetables，rootvegetables，a well as potato and taro vegetables.Among them，cowpea （unqualified rate 5.22% ），leek （unqualified rate 4.07% ，celery （unqualified rate 3.85% ）were the three vegetables with the highest number of non-compliant results.In addition，the 9 kindsofunqualifiedorganophosphorus pesticides found tobenon-compliant wereallprohibited（restricted） pesticides forvegetables.Itcanbe seen thattheexcessiveabuseoforganophosphorus pesticides invegetables sold inJining city is very seriousand deserves attention.The acute/chronic dietary risk assessmentof pesticides found that dimethoate， omethoateandtriazophos incowpea，omethoate incommoncabbage，phorateandomethoate inleek，andotherresults were unacceptable and needed to be monitored by market supervision departments.

Keywords：vegetable; supervision and sampling;pesticide residue; dietary risk assessment

0 引言

有机磷农药（Organophosphoruspesticides，OPs）是一类含有磷元素的有机酯类化合物农药，因其高效、广谱、易降解、易氧化、品种多、害虫对其抗性发展缓慢等特点广泛应用于农林牧业生产中，用于防治植物病虫害[1-2]。（剩余7037字）