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Distribution of feminizing compounds in the aquatic environment and bioaccumulation in wild tilapia tissues |
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| Authors: | Wen-Ling Chen Jin-Chywan Gwo Gen-Shuh Wang Chia-Yang Chen |
| Institution: | 1. Institute of Environmental Health, National Taiwan University, 17 Hsu-Chou Rd, Taipei, 10055, Taiwan 2. Department of Aquaculture, National Taiwan Ocean University, 2 Beining Rd, Keelung, 20224, Taiwan 3. Department of Public Health, National Taiwan University, 17 Hsu-Chou Rd, Taipei, 10055, Taiwan |
| Abstract: | This study sampled six times of river water, sediment, and tilapia (Oreochromis niloticus) in the Dan-Shui River, Taipei, Taiwan; 10 feminizing compounds were analyzed using ultra-performance liquid chromatography-tandem mass spectrometry. Bisphenol A (508?±?634 ng/L, geometric mean (GM) 303 ng/L) and nonylphenol (491?±?570 ng/L, GM 328 ng/L) were the most abundant among analytes in the river water. Nonylphenol (770?±?602 ng/g wet weight, GM 617 ng/g wet weight) was also the highest in sediment. Fish may uptake nonylphenol and nonylphenol ethoxylates from river water and sediment because there were significant correlations between the concentrations in these matrixes and those in fish tissues (r s ranged from 0.21 to 0.49, p? |
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