Organic ultraviolet absorbents in soils and typical plants from an industrial metropolis in China: Concentrations, profiles and environmental implications

被引：4
作者：
An D. [1 ,2 ]
Sun J. [3 ]
Ma J. [1 ,2 ]
Xing X. [3 ]
Tang Z. [1 ,2 ,3 ]
机构：
[1] Key Laboratory of Ecology and Environment in Minority Areas (Minzu University of China), National Ethnic Affairs Commission, Beijing
[2] College of Life and Environmental Sciences, Minzu University of China, Beijing
[3] College of Environmental Science and Engineering, North China Electric Power University, Beijing
来源：
Chemosphere | 2023年 / 343卷
基金：
中国国家自然科学基金;
关键词：
Local pollution; Organic ultraviolet absorbers; Plant; Potential sources; Urban soil;
D O I：
10.1016/j.chemosphere.2023.140242
中图分类号：
学科分类号：
摘要：
There is accumulating evidence of the toxicity of organic ultraviolet absorbers (OUVAs); however, limited information is available regarding the presence of OUVAs in terrestrial environments and organisms. Therefore, this study was conducted to investigate the occurrence of 11 OUVAs in soils and typical plant species from an industrial metropolis in China. Total OUVA concentrations in soils ranged from 1.30 to 80.3 ng g−1 DW. Based on comparison with previously reported data, OUVA contamination in soil was not severe. Benzophenone and octocrylene were the dominant OUVAs in soils, with median contributions to total concentrations of 25% and 15%, respectively. Source assessment revealed that the observed OUVA contamination primarily originated from industrial activities and the use of personal care products. The concentration of 11 OUVAs in plants ranged from 159 to 4470 ng g−1 DW, at high levels. Our findings imply that great attention should be given to the presence of these chemicals in plants because of the risk they could pose as well as the potential for biomagnification as plants are eaten by insects and birds. Our results also indicate the necessity to further study the geochemical behavior of these chemicals in urban ecosystems in order to better manage the harmfulness to terrestrial ecological health caused by their exposure through the food chains. © 2023 Elsevier Ltd
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