2009年广东省市售大米及其制品镉污染状况调查  

Investigation of the cadmium contamination on retailed rice and rice products in Guangdong province in 2009

作　　者：杨菲[1,2] 白卢皙[1,2] 梁春穗[2] 王桂安[1,2] 黄琼[2] 闻剑[2] 胡曙光[2] 李海[2] 梁旭霞[2] 王立斌[2] 戴昌芳[2] 张永慧[2] 杨杏芬[2] 

机构地区：[1]暨南大学医学院,广东广州510632 [2]广东省疾病预防控制中心,广东广州510300

出　　处：《中国食品卫生杂志》2011年第4期358-362,共5页Chinese Journal of Food Hygiene

基　　金：广东省科技计划项目(20090320)

摘　　要：目的了解广东省市售大米及其制品镉污染现状,为开展食品中镉暴露风险评估提供参考依据。方法于2009年9月在广东省21个地级市采集市售大米及干米粉共840份,其中大米420份,干米粉420份,采用石墨炉原子吸收光谱法进行镉含量测定,采用秩和检验和χ2检验进行统计学分析。结果 2009年广东省市售大米及干米粉镉含量均值为73μg/kg,超标率为5.5%。将广东省分为粤北、珠三角北、珠三角西南、珠三角东南、粤西、粤西南、粤东(客家地区)、粤东南(潮汕地区)8个区域进行比较,结果显示粤北地区市售大米及干米粉镉含量较高,均值为122μg/kg,超标率为12.5%。结论广东省8个区域市售大米及米制品镉含量有一定超标情况,其中粤北地区超标较明显,建议进一步开展专项调查研究,分析其来源及程度,为进一步开展镉暴露风险评估提供依据。Objective To investigate the cadmium contamination of retailed rice and rice products in Guangdong province,and provide reference basis for the risk assessment on cadmium exposure of food.Methods Rice（420） and dry rice product（420） samples were collected from 21 cities of Guangdong province in September 2009.Cadmium contents were determined by graphite furnace atomic absorption spectrometry（GF-AAS）.Data were analyzed by Nonparametric test and Chi-square test.Results The average content of cadmium in retailed rice and dry rice products samples was 73 μg/kg collected from Guangdong province in 2009,and the over limit rate was 5.5%.When the cadmium contents of rice from eight parts of Guangdong province were compared,the average cadmium content of retailed rice and dry rice products in northern Guangdong was the highest（122 μg/kg） with an over limit rate of 12.5%.Conclusion The over-limit rates of cadmium contents of retailed rice and dry rice products in all 8 areas were ranged from 2.5% to 12.5%,and that of northern Guangdong was the highest.It is suggested that a special survey on the cadmium contamination on retailed rice and rice products of Guangdong province should be further conducted to analyze the sources of contamination for providing reference on assessing the risk of cadmium exposure in food.

关 键 词：大米 米粉 镉污染 食品安全 

分 类 号：R155.5[医药卫生—营养与食品卫生学]