2008-2011年厦门市食品中重金属污染状况调查

Investigation on Situation of Food Contaminated with Heavy Metals in Xiamen During the Period of 2008-2011

目的了解和掌握厦门市各类食品的重金属污染状况,为政府部门加强食品安全监管提供科学依据。方法 2008-2011年从厦门市超市和农贸市场随机抽取各类食品样品,采用石墨炉原子吸收光谱法和荧光光谱法检测食品样品中的铅、镉、汞含量,依据GB2762-2005《食品中污染物限量》、GB19643-2005《藻类制品卫生标准》和(EC)NO629/2008《欧盟食品中重金属限量标准》进行评价。结果共检测19类食品320份,总合格率为88.7%,各类食品中大米的合格率最低,仅为64.7%,其次是食用菌、藻类、叶菜类蔬菜合格率都在80%以下。结论不同种类食品受重金属污染程度不同,应重点加强对大米、藻类、蔬菜的卫生监督管理,以提高食品安全性。

Objective To investigate the contamination status of heavy metals in various types of food in Xiamen, and to provide the scientific evidence for strengthening supervision of food safety. Methods Samples of foodstuff were randomly col- lected from supermarkets and fairs in Xiamen from 2008 to 2011. Heavy metals such as plumburn, cadmium and hydrargyrum in food samples were tested by graphite furnace atomic absorption spectrometry and hydride generation atomic fluorescence spectrom- etry, and were evaluated according to Maximum Levels of Contaminants in Food （GB2762 - 2005）, Hygienic Standard for Ma- rine Algae and Algae Products （GB19643- 2005） and Maximum Levels of Heavy Metals in Food in EU （（EC） No. 629/2008）. Results Totally 19 types of food samples were tested, and the total eligible rate of 320 samples tested was 88.7 %, in which the rice had the lowest eligible rate, only 64.7%. The passing rates of edible mushrooms, algae and leafy vegetables were aU below 80 %. Conclusions The contamination levels of heavy metals in different types of food are unlike. More attention should be paid to health supervision and management of rice, algae and vegetables so as to improve the food safety.