食品消费已被确定为人类接触短链氯化石蜡（short-chain chlorinated paraffins，SCCPs）和中链氯化石蜡（medium-chain chlorinated paraffins，MCCPs）的主要途径，但对从主要膳食来源摄入的SCCPs和MCCPs的评价有限。
中国科学院生态环境研究中心的Lili Cui、Lirong Gao和国家食品安全风险评估中心的Jingguang Li*等人 利用第六次中国总膳食研究，对南方9 个省份的谷物、蔬菜、土豆、豆类、鸡蛋、牛奶、肉类和水产食品中的SCCPs和MCCPs进行了全面调查。在江苏、湖北和浙江等省份氯化石蜡（Chlorinated paraffins，CPs）浓度显示出较高的水平。大多数动物性食品中的CPs浓度高于植物性食品。SCCPs和MCCPs的估计每日摄入量（estimated daily intakes，EDIs）平均值分别为7.0×10 2 和 4.7×10 2 ng kg –1 day –1 ，主要来自谷物、蔬菜和肉类。
Abstract
Short- and Medium-Chain Chlorinated Paraffins in Foods from the Sixth Chinese Total Diet Study: Occurrences and Estimates of Dietary Intakes in South China
Lili Cui, Lirong Gao, Minghui Zheng, Jingguang Li, Lei Zhang, Yongning Wu, Lin Qiao, Chi Xu, Kunran Wang, Di Huang
Food consumption has been identified as a major pathway for human exposure to short-chain chlorinated paraffins (SCCPs) and medium-chain chlorinated paraffins (MCCPs), but evaluations of SCCP and MCCP intake from major dietary sources are limited. We used the sixth Chinese Total Diet Study to perform a comprehensive investigation of SCCPs and MCCPs in cereals, vegetables, potatoes, legumes, eggs, milk, meats, and aquatic foods from nine southern provinces. The geographical distribution of CP concentrations showed higher levels in Jiangsu, Hubei, and Zhejiang provinces. The CP concentrations in most animal-origin foods were higher than those in foods of plant origin. The total estimated daily intakes (EDIs) of SCCPs and MCCPs, with average values of 7.0 × 102 and 4.7 × 102 ng kg–1 day–1, respectively, were mostly contributed by cereals, vegetables, and meats. Risk assessment indicated the EDIs of CPs posed no significant risk to residents in South China.
该文章《Short- and Medium-Chain Chlorinated Paraffins in Foods from the Sixth Chinese Total Diet Study: Occurrences and Estimates of Dietary Intakes in South China》于《Journal of Agricultural and Food Chemistry》2020年8月出版。
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