[瓶装水中微塑料和邻苯二甲酸酯的含量及健康风险]。

Q2 Environmental Science Huanjing Kexue/Environmental Science Pub Date : 2024-10-08 DOI:10.13227/j.hjkx.202310185
Xiao-Ge Liang, Rui-Yao Guo, Meng-Fei Su, Xue-Jing Yang, Bo Yao, Jian-Sheng Cui
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引用次数: 0

摘要

研究微塑料(MPs)和邻苯二甲酸酯(PAEs)的含量和健康风险和邻苯二甲酸酯(PAEs)的含量及其对健康的危害。采用玫瑰红染色法和立体显微镜对瓶装水中的微塑料(MPs)和邻苯二甲酸酯(PAEs)进行了定量分析。采用气相色谱-三重四极杆串联质谱法(GC-MS/MS)对 7 种 PAEs 进行了定量分析。通过健康风险评估模型估算了多环芳烃的日摄入量,并评估了多环芳烃的致癌和非致癌风险。结果表明,21 种瓶装水中多环芳烃的丰度范围为 48 n-L-1 至 216 n-L-1(丰度中位数为 88 n-L-1)。大多数(72.1)纤维状,碎片仅占 27.9%。小尺寸(10-50 微米)MPs 的平均比例为 33.9%。占 33.9%,大型 MPs(>500 μm)占 4.3%。为 4.3%。大多数议员为蓝色。瓶装水中的∑(PAEs)含量为 1.15-2.47 μg-L-1(平均值为 1.62 μg-L-1)。高频率检测到的 PAEs(100)包括邻苯二甲酸二甲酯(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(DBP)和邻苯二甲酸二(2-乙基己基)酯(DEHP)。邻苯二甲酸丁基苄基酯(BBP)和邻苯二甲酸二正辛基酯(DEHP)的检测频率分别为和邻苯二甲酸二正辛酯(DNOP)的检测频率相对较低。相对较低。DBP、DEHP 和 DEP 的浓度均低于中国饮用水标准限值。迁移实验中的∑(PAEs)为 0.61-2.04 μg-L-1(平均 1.33 μg-L-1)。在 60℃ 条件下 10 天,DBP 和 DEHP 的迁移量也在允许范围内。在瓶子和瓶盖中都检测到了 7 种 PAE,其中瓶子中 DEHP 的平均含量最高,而瓶盖中 DBP 的含量最高。不同年龄组饮用瓶装水估计摄入的多溴联苯(EDI)成人为 2.87 n-(kg-d)-1,儿童为 3.87 n-(kg-d)-1,婴儿为 5.85 n-(kg-d)-1。在 21 个瓶装水样本和迁移测试中,DEHP 的致癌风险均小于最高可接受风险水平(1×10-6)。不过,婴幼儿和儿童的风险值要高于成人,不容忽视。
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[Content and Health Risks of Microplastics and Phthalate Esters in Bottled Water].

To study the content and health risks of microplastics (MPs) and phthalate esters (PAEs) in bottled water, a quantitative analysis of MPs was conducted by using Rose Bengal staining and stereomicroscopy. Seven PAEs were quantified by using gas chromatography-triple quadrupole tandem mass spectrometry (GC-MS/MS). The daily intake of MPs was estimated and the carcinogenic and non-carcinogenic risks of PAEs were evaluated through a health risk assessment model. The results showed that the abundance of MPs in 21 bottled waters ranged from 48 n·L-1 to 216 n·L-1 (with the median abundance of 88 n·L-1). The majority (72.1%) of MPs were fibrous in shape, and fragments accounted for only 27.9%. The average proportion of small-sized (10-50 μm) MPs was 33.9%, and that of large-sized MPs (>500 μm) was 4.3%. Most MPs were blue. The ∑(PAEs) in bottled water was 1.15-2.47 μg·L-1 (average 1.62 μg·L-1). PAEs detected with high frequencies (100%) included dimethyl phthalate (DMP), diethyl phthalate (DEP), diisobutyl phthalate (DIBP), di-n-butyl phthalate (DBP), and di(2-ethylhexyl) phthalate (DEHP), while the detection frequencies of butylbenzyl phthalate (BBP) and di-n-octyl phthalate (DNOP) were relatively low. The concentrations of DBP, DEHP, and DEP were all below the standard limits for drinking water in China. The ∑(PAEs) in the migration experiments was 0.61-2.04 μg·L-1 (average 1.33 μg·L-1). The migration amounts of DBP and DEHP were also within the allowable range under the condition of 60℃ for 10 days. Seven PAEs were detected in both the bottles and caps, and the average content of DEHP in bottles was the highest, while DBP had the highest content in caps. The estimated intake of MPs (EDI) by drinking bottled water in different age groups of humans was 2.87 n·(kg·d)-1 for adults, 3.87 n·(kg·d)-1 for children, and 5.85 n·(kg·d)-1 for infants. The carcinogenic risks of DEHP in 21 bottled water samples and the migration test were less than the maximum acceptable risk level (1×10-6), and the non-carcinogenic risk indices (HIs) of PAEs were all less than 1, indicating no non-carcinogenic risk to humans; however, the risk value of infants and children was higher than that of adults and should not be ignored.

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来源期刊
Huanjing Kexue/Environmental Science
Huanjing Kexue/Environmental Science Environmental Science-Environmental Science (all)
CiteScore
4.40
自引率
0.00%
发文量
15329
期刊最新文献
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