Determination and risk assessment of sixteen polycyclic aromatic hydrocarbons in vegetables

文献类型： 外文期刊

第一作者： Li, Huidong

作者： Li, Huidong;Lu, Xiao;Du, Hongxia;Guan, Shuai;Chen, Zilei;Li, Huidong;Zhu, Duanwei;Li, Huidong;Lu, Xiao;Du, Hongxia;Guan, Shuai;Chen, Zilei

作者机构：

关键词： QuECHERS;polycyclic aromatic hydrocarbons;risk assessment

期刊名称：JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART A-TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING （ 影响因子：2.269； 五年影响因子：2.108 ）

ISSN： 1093-4529

年卷期： 2018 年 53 卷 2 期

页码：

收录情况： SCI

摘要： Polycyclic aromatic hydrocarbons (PAHs) are a group of organic environmental pollutants posing a potential risk to human health. This study was constructed to investigate the presence of 16 PAHs in six commonly consumed vegetables collected from the markets in Shandong, China by a quick, easy, cheap, effective, rugged, safe (QuEChERS)-based extraction method coupled with gas chromatography-mass spectrometry (GC-MS). Our results showed that the vegetables were polluted with PAHs at an alarming level, of which celery contained the highest total concentration of PAHs (sigma 16 PAH), whereas cucumbers contained the lowest sigma 16 PAH. Besides, the dietary exposure of PAHs was assessed in these vegetables based on the maximum sigma 16 PAH. The results showed that the populations in Shandong were exposed to 23-213ng/d of PAHs through these six vegetables, suggesting that vegetables are the major sources of PAHs in the diet. Hence, it is necessary to monitor the PAH levels in vegetables. Our study provides guidance for future legislative actions regarding PAH levels in vegetables in China.

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