Tissue distribution of phthalates in celery under different cultivation patterns and associated dietary exposure
文献类型： 外文期刊
作者： Zhao, Fang 1 ; Ma, Zhihong 1 ; Ping, Hua 1 ; He, Zhaoying 1 ; Li, Bingru 1 ; Gao, Yuan 1 ; Li, Cheng 1 ;
作者机构： 1.Beijing Acad Agr & Forestry Sci, Beijing Res Ctr Agr Stand & Testing, Beijing 100097, Peoples R China
2.Minist Agr & Rural Affairs, Risk Assessment Lab Agro Prod Beijing, Beijing, Peoples R China
关键词： Phthalates; Cultivation pattern; Temperature; Uptake pathway; Risk assessment
期刊名称：ENVIRONMENTAL POLLUTION （ 影响因子：9.988； 五年影响因子：10.366 ）
ISSN： 0269-7491
年卷期： 2022 年 292 卷
页码：
收录情况： SCI
摘要： To investigate tissue distribution, spatial difference, temperature variation, and potential health risks of PAEs in vegetables, celery was used as a model plant. Celery samples were collected from open fields and greenhouses from two provinces in China over four seasons. Celery tissues were analyzed for 16 PAE compounds by gas chromatography-tandem mass spectrometry. The total content of PAEs was 89.0-1130.3 mu g kg(-1) dry weight (dw) in stems and 155.0-2730.8 mu g kg(-1) dw in leaves. Concentrations of PAEs in celeries showed notable spatial differences (P < 0.05), and the levels in samples from open fields were lower than those in samples from plastic greenhouses. In celeries from greenhouses, higher PAE concentrations were observed for plants grown at high temperatures than in plants grown at low temperatures. Discrepancies in tissue distribution indicated different uptake pathways of PAE contaminants. Risk assessments to humans found that both carcinogenic risks and non-carcinogenic risks of PAEs via celery consumption were at an acceptable level. Further research should consider other exposure pathways of PAEs and pay special attention to reducing PAE contents in vegetables.
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