电感耦合等离子体质谱法测定毛肚、鸭肠、黄喉中的5种污染物含量及健康风险评估
目的 建立电感耦合等离子体质谱法(inductively coupled plasma mass spectrometry, ICP-MS)同时测定毛肚、鸭肠、黄喉中铅、砷、汞、镉、铬5种有害元素含量的方法, 并评估其健康风险。方法 采用微波消解ICP-MS法, 同时测定41批次毛肚、48批次鸭肠、28批次黄喉中铅、砷、汞、镉、铬5种有害元素的含量; 采用单因子污染指数评价和内梅罗综合因子污染指数评价法对重金属污染情况进行评价; 利用美国环保局提出的目标危害系数法评估重金属对人体健康的风险。结果 该方法的线性良好, 相关系数为0.9992~0.9999, 检出限为0.002~0.023 μg/g, 平均回收率为86.7%~108%, 相对标准偏差为0.6%~4.8%(n=7)。标准物质测定结果与生物标准参考物质的标准值相符; 毛肚、鸭肠、黄喉中的5种重金属元素的单项污染指数和综合污染指数均低于0.7, 处于安全水平; 目标危害系数和综合风险指数均远小于1, 尚不构成健康风险。结论 该方法适用于动物性火锅食材中微量有害元素的准确测定, 为以后的标准完善、食品安全风险管理等方面提供有效的数据支撑。
Objective To establish a method for the simultaneous determination of lead, arsenic, mercury, cadmium and chromium in tripe, duck intestine and yellow throat by inductively coupled plasma mass spectrometry (ICP-MS), andto evaluate their health risk. Methods The content of lead, arsenic, mercury, cadmium and chromium in 41 batches of tripe, 48 batches of duck intestines and 28 batches of yellow throats was determined by ICP-MS with microwave digestion. The heavy metal pollutionwas evaluated by single factor pollution index and Nemero comprehensive factor pollution index. The risk of heavy metals to human health was evaluated bytarget hazard coefficient method proposed by US Environmental Protection Agency. Results The linearity of the method was good, the correlation coefficients were 0.9992–0.9999, the limits of detection were 0.002–0.023 μg/g, and the average recoveries were 86.7%–108%, with the relative standard deviations of 0.6%–4.8% (n=7). The results of standard substance determination were consistent with the standard values of biological standard reference materials. The single pollution index and comprehensive pollution index of 5 heavy metals in tripe, duck intestine and yellow throat were all lower than 0.7, which were in the safe level. The target hazard coefficient and comprehensive risk index were far less than 1, which did not constitute the health risk. Conclusion This method is suitable for the accurate determination of trace harmful elements in animal hot pot ingredients, and provides effective data support for future standards improvement and food safety risk management.
标题：电感耦合等离子体质谱法测定毛肚、鸭肠、黄喉中的5种污染物含量及健康风险评估
英文标题：Determination of 5 pollutants in tripe, duck intestine and yellow throat by inductively coupled plasma mass spectrometry and health risk assessment
作者：
冉俊 重庆市黔江食品药品检验所
马之攀 重庆市黔江食品药品检验所
龙昌洲 重庆市黔江食品药品检验所
王春林 重庆市黔江食品药品检验所
田霞 重庆市黔江食品药品检验所
中文关键词:电感耦合等离子体质谱法,毛肚,鸭肠,黄喉,重金属,风险评估,
英文关键词:inductively coupled plasma mass spectrometry,tripe,duck intestine,yellow throat,heavy metals,risk assessment,
发表日期：2020-04-22
- 文件大小:
- 864.88 KB
- 下载次数:
- 60
-
高速下载
|
|
