Contamination of Phthalate Esters in Vegetable Agriculture and Human Cumulative Risk Assessment
Contamination of Phthalate Esters in Vegetable Agriculture and Human Cumulative Risk Assessment
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蔬菜农业中邻苯二甲酸酯的污染及人类累积风险评估
DOI：
10.1016/s1002-0160(17)60340-0
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发表时间：
2017-06-01
期刊：
影响因子：
5.7
通讯作者：
Gao Juan
中科院分区：
文献类型：
--
作者：
Chen Ning;Shuai Wenjuan;Gao Juan
邻苯二甲酸酯（PAEs）是一种干扰人体内分泌系统的物质，在中国蔬菜大棚农业中被广泛检测到。为了研究环境因素对土壤中PAEs的影响，本研究确定了污染来源，并评估了通过饮食中的蔬菜对人体PAEs的累积风险。从10个市场采集了98份蔬菜样本，从农业大棚和露天田中采集了128份蔬菜样本和111份土壤样本。全是土壤和蔬菜。结果表明，土壤中邻苯二甲酸二甲酯（DMP）、邻苯二甲酸二乙酯（DEP）、邻苯二甲酸二异丁酯（DiBP）、邻苯二甲酸二正丁酯（DnBP）、邻苯二甲酸二乙己酯（DEHP） 5种PAEs的总浓度为0.26 ~ 2.53 mg kg(-1)，蔬菜中邻苯二甲酸二乙己酯（DEHP）的总浓度为0.95 ~ 8.09 mg kg（-1）。从主成分分析中提取的3个成分可以解释土壤中5种PAEs总方差的51.2%、19.8%和15.3%，这可能代表了土壤中PAEs的3个主要来源，即废水灌溉、化肥农药施用和塑料薄膜。长期温室栽培可在土壤中积累DEHP，土壤FeOx含量越高，DnBP浓度越低。通过对饮食中蔬菜的调查，不同城市个体PAEs危害指数均< 0.15。通过蔬菜摄入的PAEs暴露量高于其他食物、吸入和皮肤吸收的总暴露量。温室蔬菜中PAEs的控制应引起更多的重视。
Phthalate esters (PAEs), which can disturb human endocrine system, have been widely detected in vegetable greenhouse agriculture in China. To investigate the effects of environmental factors on PAEs in soils, pollution sources were identified, and the cumulative risks of PAEs to humans through vegetables in the diet were evaluated in this study. Ninety-eight vegetable samples were collected from 10 markets along with 128 vegetable and 111 soil samples from agricultural greenhouses and open field. All soil and vegetable. samples were contaminated with PAEs, and the total concentrations of the 5 PAEs, including dimethyl phthalate (DMP), diethyl phthalate (DEP), di-iso-butyl phthalate (DiBP), di-n-butyl phthalate (DnBP), and di-2-ethylhexyl phthalate (DEHP), were in the ranges of 0.26-2.53 mg kg(-1) for soils and 0.95-8.09 mg kg(-1) for vegetables. Three components extracted from principle component analysis could explain 51.2%, 19.8%, and 15.3% of the total variance of the 5 PAEs in soils, which may represent three major sources of PAEs, i.e., wastewater irrigation, application of fertilizers and pesticides, and plastic film. Long-term greenhouse cultivation could accumulate DEHP in soils, and a higher soil FeOx content reduced the DnBP concentration. Based on a survey of,vegetables in the diet, the hazard index of PAEs was < 0.15 for individuals in different cities. The exposure of PAEs through vegetable intake was higher than the total exposure from other food stuffs, inhalation, and dermal absorption. More attention should be given to controlling PAEs in greenhouse vegetables.