Dynamics of environmental supplementation of iodine: four years' experience of iodination of irrigation water in Hotien, Xinjiang, China

Archives of Environmental Health
X M JiangG R DeLong

Abstract

Hotien prefecture, Xinjiang Province, China, in the Taklamakan Desert, is an area of severe iodine deficiency. Because usual methods of iodine supplementation failed here, we began supplementation in 1992 with potassium iodate, which was added to irrigation water (Lancet 1994; 334:107-110). We report 4 y experience with this method in 3 townships that contained a total treated population of 37,000. Potassium iodate was dripped into irrigation water (to a concentration 10-80 microg/l) during a 2- to 4-wk period. During the 3 y that followed, no further supplementation was made, and iodine concentrations increased several fold in crops and plants, sheep and chicken thyroid glands, and meat and in urine of children 2-6 y of age and of women who were of childbearing age. Infant mortality decreased 50%, and sheep production increased 43%. Iodine repletion of soil through irrigation water is an effective and cost-efficient way of providing iodine in appropriate situations.

References

Dec 29, 1994·The New England Journal of Medicine·X Y CaoG R DeLong
Aug 8, 1996·The New England Journal of Medicine·T ShenY Chang
Jun 1, 1986·Environmental Geochemistry and Health·R Fuge, C C Johnson

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Citations

Jun 20, 2008·Environmental Geochemistry and Health·Huan-Xin WengLing-Li Xie
Feb 24, 2001·The Science of the Total Environment·F M FordyceC B Dissanayake
Mar 6, 2008·Journal of Trace Elements in Medicine and Biology : Organ of the Society for Minerals and Trace Elements (GMS)·Qiang RenG Robert Delong
Jul 21, 2005·Journal of Trace Elements in Medicine and Biology : Organ of the Society for Minerals and Trace Elements (GMS)·Yusuf GencRobin D Graham
May 1, 2010·Annals of Botany·P J White, P H Brown
Jul 16, 2010·Journal of Child Neurology·G Robert DeLong
Oct 28, 2015·Scientific Reports·M J WattsE L Ander
Apr 1, 2015·Pediatrics·Sana Syed

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