Levels of polychlorinated dibenzodioxins and polychlorinated dibenzofurans in breast milk samples from three dioxin-contaminated hotspots of Vietnam

• Manh, Ho Dung

• Kido, Teruhiko

• Tai, Pham The

• Okamoto, Rie

• Honma, Seijiro

• Liang, Sun Xian

• Anh, Le Thai

• Maruzeni, Shoko

• Nghi, Tran Ngoc

• Nishijo, Muneko

• Nakagawa, Hideaki

• Nhu, Dang Duc

• Tung, Dao Van

• Hung, Nguyen Ngoc

• Son, Le Ke

抄録

We determined polychlorinated dibenzodioxin (PCDD) and polychlorinated dibenzofuran (PCDF) levels in breast milk of 143 primiparae living around the three most dioxin-contaminated areas of Vietnam. The women sampled lived in the vicinity of former U.S. air bases at Bien Hoa (n. =. 51), Phu Cat (n. =. 23), and Da Nang (n. =. 69), which are known as dioxin hotspots. Breast milk samples from Bien Hoa City, where residents live very close to the air base, showed high levels of 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD), with 18% of the samples containing >. 5. pg. TCDD/g lipid. However, Phu Cat residents lived far from the air base and their samples showed lower TCDD levels, with none containing >. 5. pg. TCDD/g lipid. In Da Nang, TCDD levels in mothers from Thanh Khe (close to the air base, n. =. 43) were significantly higher than those in mothers from Son Tra (far from the air base, n. =. 26), but not other PCDD and PCDF (PCDD/F) congeners. Although TCDD levels in Bien Hoa were the highest among these hotspots, levels of other PCDD/F congeners as well as the geometric mean concentration of total PCDD/F level in Bien Hoa (9.3. pg toxic equivalents [TEQ]/g lipid) were significantly lower than the level observed in Phu Cat (14.1. pg. TEQ/g lipid), Thanh Khe (14.3. pg. TEQ/g lipid), and Son Tra (13.9. pg. TEQ/g lipid). Our findings indicated that residents living close to former U.S. air bases were exposed to elevated levels of TCDD, but not of other PCDD/F congeners.

収録刊行物

• Science of the Total Environment

  Science of the Total Environment 511 416-422, 2015-04-01

  Elsevier

キーワード

• Agent Orange
• Breast milk
• Dioxins
• Hotspots
• Vietnamese primiparae

詳細情報

• CRID: 1050845760881086080
• NII論文ID: 120005537894
• NII書誌ID: AA00836666
• ISSN: 00489697
• Web Site: http://hdl.handle.net/2297/40614
• 本文言語コード: en
• 資料種別: journal article
• データソース種別:
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  • CiNii Articles