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当前位置: 首页 > 文章 > 杨桃中化学污染物分析及农药残留暴露评估 食品科学 2015,36 (12) 196-200
Position: Home > Articles > Analysis of Chemical Contaminants and Risk Assessment of Pesticide Residues in Carambola(Averrhoa carambola) Fruit FOOD SCIENCE 2015,36 (12) 196-200

杨桃中化学污染物分析及农药残留暴露评估

作  者：
段云;关妮;邓爱妮;罗金辉
单  位：
中国热带农业科学院分析测试中心;广西科学院国家非粮生物质能源工程技术研究中心
关键词：
杨桃;农药残留;暴露评估;三氯杀螨醇
摘  要：
以杨桃为研究对象,对广东、广西、海南和福建的基地收购点、批发市场和农贸市场等地点的样品进行化学污染物残留分析。结果表明:农贸市场和水果摊样品的农药残留种类少,基地收购点的农残种类最多,超标样品集中在基地收购点。检出率最高的3种农药为氯氰菊酯、多菌灵和灭幼脲。3份样品检出镉超标。经点评估对农药残留初步分析,杨桃中的残留风险总体较低,仅三氯杀螨醇存在潜在风险。分布点评估的结果表明,在较高的置信概率P99.5风险水平下,三氯杀螨醇暴露量在幼儿和儿童(2~10岁)的亚群超过日允许摄入量,存在不可接受的风险。建议重点对基地收购点样品监控,制定三氯杀螨醇、多菌灵和灭幼脲在杨桃上的最大残留限量或筛选三氯杀螨醇的替代品。
译  名：
Analysis of Chemical Contaminants and Risk Assessment of Pesticide Residues in Carambola(Averrhoa carambola) Fruit
作  者：
DUAN Yun;GUAN Ni;DENG Aini;LUO Jinhui;Laboratory of Risk Assessment for Tropical Agro-products, Ministry of Agriculture, Analysis and Testing Center,Chinese Academy of Tropical Agricultural Sciences;National Engineering Research Center for Non-food Biorefinery, Guangxi Academy of Sciences;
关键词：
carambola;;pesticide residues;;exposure assessment;;dicofol
摘  要：
Chemical contaminant residues in carambola(Averrhoa carambola) fruits collected from Guangdong, Guangxi, Hainan and Fujian provinces were assayed. The results showed that the frequency of occurrence of pesticide residues in wholesales and open markets were low whereas the largest number of pesticide residues in sample collection spots near cultivation base was detected. Samples contaminated with pesticide residues exceeding the maximum residue levels(MRLs) existed mainly in the collection spots. Three pesticides detected at the highest concentrations were beta-cypermethrin, carbendazim and chlorbenzuron. Based on deterministic method for risk assessment of pesticides, the potential health risk of 21 other pesticide residues in carambola was low. However, the potential risk of dicofol was high. The semi-probabilistic approach was applied to analyze the potential risk of dicofol. Results showed that at a 99.5% confidence level(P99.5) exposure levels in 2- to 10-year-old subgroups were over the value of allowable daily intake(ADI). There existed potential risk from dicofol for these age groups. Thus, we should put more emphasis on monitoring samples collected from near cultivation base, modifying and establishing MRLs for dicofol, carbendazim and chlorbenzuron and formulating alternative pesticides.

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