Concentration, Distribution and Biomagnification of Novel Brominated Flame Retardant in Grassland Food Chain and Sheep from Inner Mongolia, China
Abstract
:1. Introduction
2. Materials and Methods
2.1. Sampling
2.2. Chemical Analysis
2.3. Quality Control and Assurance
3. Results and Discussion
3.1. NBFRs Concentrations in the Xilingol Grassland Samples
3.2. NBFRs Congener Patterns in the Different Xilingol Grassland Samples
3.3. NBFRs Biomagnification in the Grassland Food Chain in Inner Mongolia
3.4. NBFRs Bioaccumulation in the Organs and Tissues of Sheep
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Type | Consumer (Part) | Food (Part) | pTBX | PBBz | PBT | PBEB | HBB |
---|---|---|---|---|---|---|---|
Insect | Insect (whole) | Grass | 0.654 | 0.640 | 0.823 | 0.132 | 0.719 |
Mammals | Mouse (muscle) | Grass | 1.05 | 1.09 | 0.551 | 0.0963 | 0.436 |
Sheep (muscle) | Grass | 2.49 | 1.14 | 1.47 | 0.500 | 5.57 | |
weasel (muscle) | Mouse (muscle) | 1.31 | 4.08 | 27.9 | 0.663 | 4.23 | |
Wool | Grass | 0.680 | 0.310 | 0.693 | 0.0951 | 0.109 | |
Cattle hair | Grass | 0.978 | 0.436 | 0.609 | 0.188 | 0.233 | |
Horse hair | Grass | 0.452 | 0.200 | 0.426 | 0.0991 | 0.108 | |
Human hair | Wool | 7.85 | 7.55 | 22.3 | 6.89 | 15.6 | |
Human hair | Cattle hair | 5.46 | 5.37 | 25.4 | 3.49 | 7.32 | |
Human hair | Horse hair | 11.8 | 11.7 | 36.4 | 6.60 | 15.7 | |
Birds | Sparrow (muscle) | Grass | 5.98 | 0.349 | 0.0611 | 0.211 | 2.91 |
Swallow (muscle) | Insect (whole) | 9.54 | 1.94 | 0.192 | 5.12 | 0.793 | |
Cuckoo (muscle) | Insect (whole) | 34.3 | 3.93 | 11.0 | 11.1 | 2.27 | |
Amphibians and reptiles | Toad (whole) | Insect (whole) | 7.61 | 0.467 | 0.357 | 0.756 | 0.530 |
lizard (whole) | Insect (whole) | 5.23 | 1.41 | 0.408 | 0.734 | 0.501 | |
Snake (muscle) | Mouse (muscle) | 2.55 | 0.221 | 0.157 | 1.14 | 1.07 | |
Snake (muscle) | Sparrow (muscle) | 0.450 | 0.694 | 1.41 | 0.519 | 0.161 | |
Snake (muscle) | Swallow (muscle) | 0.432 | 0.195 | 0.546 | 0.162 | 0.820 | |
Snake (muscle) | Cuckoo (muscle) | 0.120 | 0.0963 | 0.00951 | 0.0749 | 0.286 | |
Snake (muscle) | Toad (whole) | 0.541 | 0.811 | 0.294 | 1.10 | 1.23 | |
Snake (muscle) | Lizard (whole) | 0.787 | 0.268 | 0.257 | 1.13 | 1.30 |
Tissues and Organs | pTBX | PBT | PBBz | HBB | PBEB |
---|---|---|---|---|---|
Abdominal fat | 49.8 | 3.71 | 1.86 | 4.61 | 2.67 |
Tail fat | 40.2 | 2.64 | 1.39 | 3.23 | 0.562 |
Tail fat-2 | 37.6 | 3.07 | 1.42 | 3.42 | 0.597 |
Lung | 17.3 | 3.52 | 2.98 | 3.73 | 0.669 |
Stomach | 10.3 | 5.05 | 1.49 | 2.12 | 0.676 |
Kidney | 7.22 | 2.79 | 1.99 | 4.52 | 0.362 |
Liver | 7.22 | 4.63 | 2.40 | 2.54 | 0.433 |
Liver | 7.14 | 4.21 | 3.25 | 2.62 | 0.532 |
Chest muscle | 3.98 | 4.78 | 2.31 | 2.97 | 0.410 |
Heart | 3.41 | 4.56 | 3.15 | 2.75 | 0.290 |
Hind leg muscle | 2.59 | 3.31 | 1.85 | 3.59 | 0.382 |
Hind leg muscle | 2.70 | 3.35 | 2.01 | 2.35 | 0.382 |
Hind leg muscle-2 | 2.78 | 3.35 | 2.03 | 2.82 | 0.456 |
Spleen | 2.24 | 3.77 | 2.61 | 3.67 | 0.231 |
Brain | 0.00 | 4.48 | 3.03 | 2.16 | 0.302 |
Intestine | 0.00 | 3.57 | 2.80 | 1.95 | 0.324 |
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Chen, W.; Bu, T.; Li, T.; Bao, J.; Wang, Y.; Hu, J.; Jin, J. Concentration, Distribution and Biomagnification of Novel Brominated Flame Retardant in Grassland Food Chain and Sheep from Inner Mongolia, China. Int. J. Environ. Res. Public Health 2022, 19, 12785. https://doi.org/10.3390/ijerph191912785
Chen W, Bu T, Li T, Bao J, Wang Y, Hu J, Jin J. Concentration, Distribution and Biomagnification of Novel Brominated Flame Retardant in Grassland Food Chain and Sheep from Inner Mongolia, China. International Journal of Environmental Research and Public Health. 2022; 19(19):12785. https://doi.org/10.3390/ijerph191912785
Chicago/Turabian StyleChen, Wenming, Te Bu, Tianwei Li, Junsong Bao, Ying Wang, Jicheng Hu, and Jun Jin. 2022. "Concentration, Distribution and Biomagnification of Novel Brominated Flame Retardant in Grassland Food Chain and Sheep from Inner Mongolia, China" International Journal of Environmental Research and Public Health 19, no. 19: 12785. https://doi.org/10.3390/ijerph191912785