咸阳市市区小学生丙烯酰胺膳食摄入量调查分析

目的通过对小学生进行膳食摄入量问卷调查,估计小学生通过食物摄入丙烯酰胺的量,为了解小学生丙烯酰胺膳食暴露水平提供依据。方法采用自行设计的问卷,调查咸阳市623名小学生常吃食物的种类与数量,用气相色谱-质谱法测定常吃的22种高温加工食品中丙烯酰胺的含量,并根据检测结果计算被调查学生丙烯酰胺的摄入量。结果所检测食物中丙烯酰胺的含量范围为7~1 044μg/kg,其中薯片中丙烯酰胺含量最高。被调查小学生每人通过食物摄入丙烯酰胺的均值为(30.15±0.21)μg/d。不同性别摄入量差异无统计学意义(P0.05),不同年级差异有统计学意义(P0.05)。结论咸阳市小学生通过食物摄入丙烯酰胺的量相对较高,应该采取措施降低小学生的丙烯酰胺膳食摄入量。

Investigation and analysis on dietary intake of acrylamide among urban pupils in Xianyang City

Objective To investigate the dietary intake of acrylamide among primary school students so as to provide a basis for understanding their exposure level of acrylamide. Methods A self designed questionnaire was used to investigate the types and amounts of daily intake foods among the pupils in Xianyang City. Gas chromatography mass spectrometry was used to determine the contents of acrylamide in 22 kinds of high - temperature - procssing foods, and then the intake of acrylamide by the surveyed pupils was calculated. Results The range of acrylamide content in the tested foods was 7ug/kg 1,044μg/kg. The chips had the highest content. The average intake of acrylamide in the pupils was （30.15±0.21）μg/d. No statistically significant difference was found between boys and girls （P 〉0.05）, but there were statistically significant differences among different grades （P〈0.05）. Conclusions Dietary intake of acrylamide among the pupils in Xianyang City is relatively high; and hence, it is necessary to adopt countermeasures to reduce it.