Al-Saleh Iman, Shinwari Neptune, Mashhour Abdullah
Biological & Medical Research Department, King Faisal Specialist Hospital & Research Centre, Riyadh, Saudi Arabia.
Biol Trace Elem Res. 2003 Winter;96(1-3):21-37. doi: 10.1385/BTER:96:1-3:21.
Lead, cadmium, and mercury concentrations were determined in breast milk of Saudi lactating mothers from Riyadh and Al-Ehssa regions in Saudi Arabia who were not occupationally exposed. The mean levels for cadmium, lead, and mercury were 1.732 microg/L, 31.671 microg/L, and 3.100 microg/L, respectively. In contrast to mercury, mothers living in the Al-Ehssa region had significantly higher cadmium and lead concentrations in their breast milk than those in the Riyadh region. The estimated weekly intakes of cadmium, lead, and mercury of breast-fed infants in this study were in some cases higher than the Provisional Tolerance Weekly Intake (PTWI) recommended by FAO/WHO, which pose a threat to their health. This necessitates the urgent need to undertake a comprehensive study to determine the sources of exposure to these heavy metals. Breast-feeding is of great beneficial value for the infant's development; therefore, efforts should be made to prevent its contamination with environmental pollutants.
对沙特阿拉伯利雅得和艾赫萨地区未从事职业接触的哺乳期母亲的母乳中的铅、镉和汞浓度进行了测定。镉、铅和汞的平均水平分别为1.732微克/升、31.671微克/升和3.100微克/升。与汞不同，居住在艾赫萨地区的母亲母乳中的镉和铅浓度明显高于利雅得地区的母亲。本研究中母乳喂养婴儿的镉、铅和汞的估计每周摄入量在某些情况下高于粮农组织/世界卫生组织建议的暂定每周耐受摄入量（PTWI），这对他们的健康构成威胁。这就迫切需要进行一项全面研究，以确定这些重金属的接触来源。母乳喂养对婴儿发育具有极大的有益价值；因此，应努力防止其受到环境污染物的污染。
