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2004 AUG 5 - (NewsRx.com & NewsRx.net) -- Persistent organochlorine residues in human breast milk pose a risk for infants in Hanoi and Hochiminh city, Vietnam.
According to published research from Japan, "Despite the ban on persistent organochlorines (OCs) in most of the developed nations, their usage continued until recently in many Asian developing countries including Vietnam, for agricultural purposes and vector-borne disease eradication programs. In this study, we collected human breast milk samples from the two big cities in Vietnam: Hanoi (n=42) and Hochiminh (n=44) and determined the concentrations of persistent OCs such as PCBs, DDT and its metabolites (DDTs), hexachlorocyclohexanes (HCHs), hexachlorobenzene (HCB), chlordane compounds (CHLs), and tris-4-chlorophenyl-methane (TCPMe)."
"The contamination pattern of OCs was in the order of DDTs > PCBs > HCHs > CHLs (approx) HCB (approx) TCPMe," said Nguyen Hung Minh at Ehime University in Japan and collaborators in Japan and Vietnam. "Compilation of available data indicated that DDT residue levels in human breast milk from Vietnam were among the highest values reported for Asian developing countries as well as developed nations. This result suggests recent usage of DDTs in both North and South Vietnam. Interestingly, in both cities, the p,p'-DDT portion was higher in multiparas than those in primiparas."
"Considering the fact that the ...