辽宁地区大米中重金属检测探析

Detection of Heavy Metals in Rice of Liaoning Province

本文分析了2019—2021年辽宁地区各地市大米和米制品中重金属铅、镉的监测结果,了解辽宁地区市面大米和米制品的食品安全情况。本研究随机采集辽宁地区各地市2019—2021年在售大米和米制品230份,按照《食品安全国家标准食品中多元素的测定》(GB 5009.268—2016)进行铅、镉含量检测并对检测结果进行分析评价。结果表明,大米及米制品的铅、镉检出率都较高,镉的超标率高达10%,需要引起重视。定型包装的大米和米制品镉超标率低于散装大米和米制品镉超标率,可以推测散装大米和米制品受重金属镉污染的风险更高。

The monitoring results of heavy metals lead and cadmium in rice and rice products in various cities of Liaoning Province from 2019 to 2021 were analyzed,so as to know the food safety situation of rice and rice products in Fujian Province in this paper.And the 230 samples of rice and rice products sold in Liaoning Province from 2019 to 2021 were randomly collected.According to GB 5009.268—2016,the contents of lead and cadmium were detected,and the results were analyzed and evaluated.The detection rates of lead and cadmium in rice and rice products are high,and the cadmium over-standard rate is as high as 10%,which should be paid more attention.The Cd over-standard rate of rice and rice products in finalized packaging is lower than that of bulk rice and rice products,so it is speculated that the bulk rice or rice products may be more susceptible to the pollution of the heavy metal cadmium in the process of processing,transportation or sale.