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Alteration of Diastereoisomeric and Enantiomeric Profiles of Hexabromocyclododecanes (HBCDs) in Adult Chicken Tissues, Eggs, and Hatchling Chickens
Zheng, XB; Qiao, L; Sun, RX; Luo, XJ; Zheng, J; Xie, QL; Sun, YX; Mai, BX; luoxiaoj@gig.ac.cn
2017
Source PublicationENVIRONMENTAL SCIENCE & TECHNOLOGY
Volume51Issue:10Pages:5492-5499
AbstractThe concentrations and enantiomer fractions (EFs) of alpha-, beta-, and gamma-hexabromocyclododecanes (HBCDs) were measured in chicken diet sources (soil and chicken feed), home-raised adult chicken (Gallus domesticus) tissues, eggs during incubation, and hatchling chicken tissues. HBCD concentrations were not detected-0.69 ng/g dry weight (dw) and 25.6-48.4 ng/g dw in chicken feed and soil, respectively. HBCDs were detected in all adult chicken tissues, except the brain, at median levels of 13.1-44.0 ng/g lipid weight (lw). The proportions of alpha-HBCD in total HBCDs increased from 51% in soil to more than 87% in adult chicken tissues. The accumulation ratios (ARs) of alpha-HBCD from diet to adult chicken tissues were 4.27 for liver, 11.2 for fat, and 7.64-12.9 for other tissues, respectively. The AR and carry-over rate (COR) of alpha-HBCD from diet to eggs were 22.4 and 0.226, respectively. The concentrations of alpha-HBCD in hatchling chicken liver (median: 35.4 ng/g lw) were significantly lower than those in hatchling chicken pectoral muscle (median: 130 ng/g lw). The EFs of alpha-HBCD decreased from soil to adult chicken tissues and from eggs to hatchling chicken liver. Meanwhile, the EFs of gamma-HBCD increased from soil to adult chicken tissues. These results indicate the preferential enrichment of (-)-alpha-HBCD and (+)-gamma-HBCD in chickens. The alteration of diastereoisomeric and enantiomeric patterns of HBCDs might be influenced by the different absorption and elimination rates of the six HBCD enantiomers as well as variations in HBCD metabolism in chickens.
Department[Zheng, Xiaobo; Xie, Qilai] South China Agr Univ, Coll Resources & Environm, Guangzhou 510642, Guangdong, Peoples R China; [Zheng, Xiaobo; Sun, Runxia; Luo, Xiaojun; Mai, Bixian] Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou 510640, Guangdong, Peoples R China; [Zheng, Xiaobo; Sun, Runxia; Luo, Xiaojun; Mai, Bixian] Chinese Acad Sci, Guangzhou Inst Geochem, Guangdong Key Lab Environm Protect & Resources Ut, Guangzhou 510640, Guangdong, Peoples R China; [Qiao, Lin; Zheng, Jing] Minist Environm Protect, Ctr Environm Hlth Res, South China Inst Environm Sci, Guangzhou 510655, Guangdong, Peoples R China; [Sun, Yuxin] Chinese Acad Sci, Key Lab Trop Marine Bioresources & Ecol, South China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China
Funding ProjectLMB
Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/16288
Collection中科院海洋生物资源可持续利用重点实验室
Corresponding Authorluoxiaoj@gig.ac.cn
Recommended Citation
GB/T 7714
Zheng, XB,Qiao, L,Sun, RX,et al. Alteration of Diastereoisomeric and Enantiomeric Profiles of Hexabromocyclododecanes (HBCDs) in Adult Chicken Tissues, Eggs, and Hatchling Chickens[J]. ENVIRONMENTAL SCIENCE & TECHNOLOGY,2017,51(10):5492-5499.
APA Zheng, XB.,Qiao, L.,Sun, RX.,Luo, XJ.,Zheng, J.,...&luoxiaoj@gig.ac.cn.(2017).Alteration of Diastereoisomeric and Enantiomeric Profiles of Hexabromocyclododecanes (HBCDs) in Adult Chicken Tissues, Eggs, and Hatchling Chickens.ENVIRONMENTAL SCIENCE & TECHNOLOGY,51(10),5492-5499.
MLA Zheng, XB,et al."Alteration of Diastereoisomeric and Enantiomeric Profiles of Hexabromocyclododecanes (HBCDs) in Adult Chicken Tissues, Eggs, and Hatchling Chickens".ENVIRONMENTAL SCIENCE & TECHNOLOGY 51.10(2017):5492-5499.
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