<br>首次测定南海江豚体内塑料添加剂含量升高,Journal of Hazardous Materials

当前位置： X-MOL 学术 › J. Hazard. Mater. › 论文详情

Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)

首次测定南海江豚体内塑料添加剂含量升高
Journal of Hazardous Materials ( IF 12.2 ) Pub Date : 2024-01-05 , DOI: 10.1016/j.jhazmat.2023.133389
Zhenhui Xie ₁ , Xiyang Zhang ₁ , Fei Liu ₁ , Yanqing Xie ₁ , Bin Sun ₁ , Jiaxue Wu ₁ , Yuping Wu ₁

Affiliation

有机磷酸酯（OPE）和邻苯二甲酸酯（PAE）等塑料添加剂因其广泛存在和潜在的健康风险而引起了公众的关注。尽管如此，这些添加剂在海洋哺乳动物中的出现和潜在健康风险仍然有限。在这里，我们首先研究了 2007—2020 年栖息在南海北部（NSCS）的印太江豚（mPAE）中 OPE 和 PAEs 代谢物的潜在风险。NSCS 江豚肝脏平均浓度分别为 ∑15OPEs 和 ∑16mPAEs ±± 53.9 40.7 和 98.6 ng/g ww。江豚体内 mPAEs 和 OPEs 的积累与化合物的化学结构有关。∑5卤代 OPE 是 ∑15OPE 中最主要的类别（62.6%），其次是 ∑6 芳基 OPE （25.9%）和 ∑6 非卤代烷基 OPE （11.5%）。mPAEs 的积累呈下降趋势，随着烷基侧链长度（C0-C10）的增加。尽管江豚 mPAEs 的肝脏负荷与性别无关，但一些 OPEs，包括 TDCIPP、TBOEP、TCIPP、TCrP、TPHP 和 TDBPP，在成年雄性中的浓度显著高于成年雌性。TDBPP 作为新一代 OPE，在研究期间呈逐渐增加的趋势，提示 TDBPP 应优先在华南沿海地区进行监测。估计的危害商表明，几乎所有的 mPAEs 和 OPEs 都对江豚没有危害，只有 DEHP 对成年和幼年江豚构成潜在的健康风险。

"点击查看英文标题和摘要"

First determination of elevated levels of plastic additives in finless porpoises from the South China Sea

Plastic additives, such as organophosphate esters (OPEs) and phthalate esters (PAEs), are raising public concerns due to their widespread presence and potential health risks. Nonetheless, the occurrences and potential health risks of these additives in marine mammals remain limited. Here, we first investigated the accumulation patterns and potential risks of OPEs and metabolites of PAEs (mPAEs) in Indo-Pacific finless porpoises inhabiting the northern South China Sea (NSCS) during 2007–2020. The average hepatic concentrations of ∑15OPEs and ∑16mPAEs in the NSCS finless porpoises were 53.9 ± 40.7 and 98.6 ± 54.8 ng/g ww, respectively. The accumulation of mPAEs and OPEs in the finless porpoises is associated with the chemical structures of the compounds. ∑5halogenated-OPEs were the most dominant category (62.6%) of ∑15OPEs, followed by ∑6aryl-OPEs (25.9%) and ∑6nonhalogenated alkyl-OPEs (11.5%). The accumulation of mPAEs displayed a declining trend with increasing alkyl side chain length (C0-C10). Although the hepatic burden of mPAEs in finless porpoises was sex-independent, some OPEs, including TDCIPP, TBOEP, TCIPP, TCrP, TPHP, and TDBPP, exhibited significantly higher concentrations in adult males than in adult females. TDBPP, as a new-generation OPE, exhibited a gradual increase during the study period, suggesting that TDBPP should be prioritized for monitoring in the coastal regions of South China. The estimated hazard quotient indicated that almost all mPAEs and OPEs pose no hazard to finless porpoises, with only DEHP presenting potential health risks to both adult and juvenile finless porpoises.

更新日期：2024-01-05

点击分享查看原文

点击收藏

阅读更多本刊新发论文本刊介绍/投稿指南