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Occurrence, Bioaccumulation, and Potential Risks of Steroid Hormones in Freshwater Aquaculture Ponds in South China

文献类型： 外文期刊

作者： Liu, Shuang-Shuang 1 ; Li, Ya-Fang 1 ; Ning, Jia-Jia 1 ; Xu, Lei 1 ; Wang, Liang-Gen 1 ; Huang, De-Lian 1 ; Wang, Xue-Hui 1 ; Tang, Que-Hui 1 ; Du, Fei-Yan 1 ;

作者机构： 1.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Guangzhou 510300, Peoples R China

2.Guangdong Prov Key Lab Fishery Ecol & Environm, Guangzhou 510300, Peoples R China

3.Minist Agr & Rural Affairs, Key Lab Marine Ranching, Guangzhou 510300, Peoples R China

4.Southern Marine Sci & Engn Guangdong Lab Zhuhai, Zhuhai 519000, Peoples R China

5.Natl Digital Fisheries Marine Ranching Innovat Sub, Guangzhou 510300, Peoples R China

关键词： steroid hormones; freshwater aquaculture pond; fish; bioaccumulation; potential risk

期刊名称：WATER （ 影响因子：3.0； 五年影响因子：3.3 ）

ISSN：

年卷期： 2024 年 16 卷 20 期

页码：

收录情况： SCI

摘要： Steroid hormones, recognized as emerging environmental contaminants, have garnered increasing attention in recent years. The present work studied the distribution characteristics in the environment, bioaccumulation in aquatic products, and the associated environmental and health risks of typical steroid hormones from commercial freshwater aquaculture farms operating under different aquaculture modes (monoculture and polyculture). Totals of 9 and 14 steroid hormones were detected in water and sediment samples, with concentrations ranging from 0.66 +/- 0.17 ng/L to 40.5 +/- 5.08 ng/L and from 0.36 +/- 0.08 ng/g to 123 +/- 19.9 ng/g, respectively. Hazard index (HI) calculations indicated that all sampling locations were identified as medium or high risk for both water and sediment matrices. Nineteen steroids were detected in at least one type of tissue, with the concentrations in the bile, plasma, muscle, liver, and gill ranging from 5000 L/kg). Notably, despite low estimated daily intakes (EDIs) (0.43-6.43 ng/day/person to 18.7 ng/day/person) and hazard quotients (HQs) (below 4.188 x 10-7), the high bioaccumulation factors (BAFs) underscore the necessity for stringent regulatory measures by local governments. Additionally, a comparison of EDI results across different aquaculture modes and fish species revealed that steroid hormone-related health risks to humans are influenced by both the fish species and the aquaculture mode. This study indicated that the consumption of poly-cultured fish (e.g., bighead carp) may pose a greater steroid-related health risk, compared to the consumption of mono-cultured fish.

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