安徽农业科学2017，Vol.45Issue(31)：8-11,4.
宁波市地产蔬菜5种重金属点风险评估
The Point Risk Assessment of Five Kinds of Heavy Metals in Vegetables Planted in Ningbo City
摘要
Abstract
[Objective] The aim was to understand the risk level of heavy metal residues in vegetables planted in Ningbo City.[Method] A total of 843 vegetable samples were collected from 2014 to 2015,in which five kinds of heavy metals (lead,cadmium,chromium,mercury,arsenic) residues were detected by standard methods.The maximum residue limit (MRL) from the national standard "GB 2762-2012 food safety national standard food pollutant limit" and the health risk assessment model recommended by the Joint FAO/WHO expert committee on food additives (JECFA) were used for the risk assessment.[Result] The dietary exposure assessment indicated that the risk of single heavy metal was:arsenic ＜ mercury ＜ cadmium ＜ lead ＜ chromium.Among them,The risk quotient of cadmium,mercury and arsenic was less than 100％,which indicated that the risk was acceptable.The risk quotient of chromium was 139％,which indicated that it had a certain risk,but if we considered the price of chromium and the regulation of intake,the risk level of chromium was not high.[Conclusion] Compared of MRL and dietary exposure assessment methods,MRL is a fast,and suitable method for daily use.While the calculation of dietary exposure assessment is relatively complicated,and other parameters need to be assisted,the more accurate parameters are,the more reliable evaluation is.关键词
蔬菜/重金属/风险评估/宁波Key words
Vegetables/Heavy metals/Risk assessment/Ningbo分类
农业科技引用本文复制引用
朱勇,江潇潇,罗宗涛,凌淑萍,陈国..宁波市地产蔬菜5种重金属点风险评估[J].安徽农业科学,2017,45(31):8-11,4.基金项目
宁波市科技局农业攻关项目(2014C10058) （2014C10058）
第二期宁波市科技新苗培养计划(甬教基[2016]415号). （甬教基[2016]415号）
