日常衣物中的邻苯二甲酸酯污染及其人体暴露风险
Phthalates in Daily Clothes: Occurrence and Human Exposure
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摘要: 邻苯二甲酸酯(PAEs)作为一类内分泌干扰物，被广泛应用于工业生产。为了查明日常衣物中PAEs的污染状况，并评估其通过衣物的皮肤接触可能造成的人体暴露风险，本研究检测了日常生活中的新、旧衣服中7种典型PAEs的浓度，并通过实验模拟研究了衣料中PAEs向汗液的析出行为。结果表明，邻苯二甲酸二丁酯(DBP)和邻苯二甲酸二异辛酯(DEHP)分别是旧衣服和新衣服中的代表性PAE。旧衣服中DEHP的浓度显著高于新衣服；婴儿衣服中DEHP的浓度高于成人衣服。穿着和清洗过程中的二次污染可能对衣服中的PAEs有显著影响，衣服材质可能是影响旧衣服中PAEs浓度的重要因素。汗液会导致衣物中的PAEs析出，从而明显增加PAEs的人体暴露风险。Abstract: Phthalate esters (PAEs), a class of endocrine disrupting chemicals, are widely used in industry. To evaluate the occurrence of PAEs in daily clothes and the risk of exposure via skin contact, the concentrations of seven typical PAEs in daily clothes were detected. The role of sweat on PAEs release from clothes was evaluated in simulated experiments. The results show that di-n-butyl phthalate (DBP) and di (2-ethylhexyl) phthalate (DEHP) were the dominant PAEs in the used clothes and new clothes, respectively. Higher levels of DEHP was detected in the used clothes and the infant clothes, compared with those in the new clothes and the adult clothes, respectively. These results suggest that further PAEs contamination in clothes may occur during wearing or laundering, and the clothing material may be an important factor influencing PAEs contamination in the used clothes. Sweat can increase the release of PAEs from clothes, inducing a higher risk of human exposure to PAEs.
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Key words:
- phthalates /
- daily clothes /
- dermal exposure /
- artificial sweat
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