咸阳市居民丙烯酰胺膳食暴露水平调查

目的通过对咸阳市居民进行问卷调查,估计咸阳市居民丙烯酰胺膳食暴露水平。方法根据预调查结果,选定28种咸阳市居民经常食用的油炸、烘烤食品作为被调查食品,用国标方法测定被调查食品中丙烯酰胺的含量,并依据检测结果计算咸阳市居民丙烯酰胺的膳食暴露水平。结果咸阳市居民丙烯酰胺的平均摄入量为26.68μg/d,平均暴露水平为0.46μg/kg bw.d。不同性别及不同地区间差异无统计学意义;不同年龄差异有统计学意义;各年龄组人群丙烯酰胺暴露贡献较高的食品分别为〈10和10～岁组为薯片、饼干、烤馍片和烤饼;20～、30～和40～岁组为薯片、饼干、烤饼和炸饼;50～和≥60岁组为饼干和烤饼。结论被调查居民每天通过食品摄入一定量的丙烯酰胺,其主要食物来源是薯片、饼干、烤饼、炸饼和烤馍片。

Survey on the Level of Dietary Exposure to Acrylamide in Residents of Xianyang City

Objective To assess the level of dietary exposure to acrylamide among the residents of Xianyang City through questionnaire survey.Methods According to the results of the pretest,28 types of fried and baked foods were selected to serve as the surveyed samples.The exposure assessment was performed by combining the levels of acrylamide determined with the national standard method and individual food consumption data.Results The mean intake of acrylamide in the residents of Xianyang City was 26.68 μg/d,the average level of acrylamide exposure was 0.46 μg/kg bw·d.No statistically significant difference was found in the level of acrylamide exposure in different genders and regions,but there were statistically significant differences among the age groups.The foods that contributed most to acrylamide exposure were potato chips,biscuits,baked steamed bread slices and scones in the age groups of < 10 and 10～ years,potato chips,biscuits,scones and fried cakes in the age groups of 20～,30～ and 40～ years,and biscuits and scones in the age groups of 50～ and ≥60 years.Conclusions Daily dietary acrylamide intake is found among the surveyed residents,and the main food sources of acrylamide are potato chips,biscuits,scones,fried cakes and baked steamed bread slices.