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Trace elements in Mytella strigata and Perna viridis from three Chinese coastal regions: comparison and safety assessments

文献类型： 外文期刊

作者： Zhang, Yifei 1 ; Ma, Peizhen 3 ; Mu, Mingjie 5 ; Zuo, Chenxia 1 ; Ma, Xiaojie 1 ; Zhu, Yi 1 ; Zhang, Zhen 1 ;

作者机构： 1.Chinese Acad Sci, Inst Oceanol, Lab Marine Organism Taxon & Phylogeny, Qingdao Key Lab Marine Biodivers & Conservat, Qingdao 266071, Shandong, Peoples R China

2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

3.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, State Key Lab Mariculture Biobreeding & Sustainabl, Qingdao 266071, Shandong, Peoples R China

4.Qingdao Marine Sci & Technol Ctr, Lab Marine Fisheries Sci & Food Prod Proc, Qingdao 266237, Shandong, Peoples R China

5.Shouguang Marine Fisheries Dev Ctr, Weifang 262700, Shandong, Peoples R China

关键词： Bioaccumulation; Invasive bivalves; Food safety assessment

期刊名称：ENVIRONMENTAL GEOCHEMISTRY AND HEALTH （ 影响因子：3.8； 五年影响因子：4.0 ）

ISSN： 0269-4042

年卷期： 2025 年 47 卷 7 期

页码：

收录情况： SCI

摘要： Food safety concerns affect life health. Mussels are a significant source of high-quality marine protein in China, but their ability to bioaccumulate heavy metals raises concerns regarding food safety, warranting further investigation. This study compares the concentrations of seven trace elements include six heavy metals (Cd, Cr, Hg, Pb, Cu, Zn) and harmful element inorganic arsenic (iAs) in the soft tissues of two mussel species, i.e. the invasive Mytella strigata (Hanley, 1843) and the native, commercially important Perna viridis (Linnaeus, 1758), collected from same habitats of Haikou, Shanwei, and Zhanjiang, China. The results revealed species-related variations in trace elements concentrations. Zinc (Zn) exhibited the highest concentration, while cadmium (Cd) and mercury (Hg) had the lowest levels in both mussel species. M. strigata was more proficient in accumulating iAs, Cu, and Pb than P. viridis, but was less efficient in accumulating Cd. Correlation analysis showed significant positive correlations between iAs-Pb and iAs-Zn (p < 0.05). Heavy metal pollution and food safety evaluations indicated that iAs had the highest single-factor pollution index in both species across all locations. The Nemerow comprehensive indices for M. strigata from both Shanwei and Zhanjiang, and P. viridis from Zhanjiang, exceeded 3, indicating severe pollution. Target hazard quotient analysis of iAs suggested a potential health risk for M. strigata from Shanwei. Therefore, the trace elements and food safety of wild mussels, especially invasive mussels, should draw more attention.

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