Fakhri Yadolah, Jafarzadeh Saeedeh, Moradi Bigard, Zandsalimi Yahya, Langarizadeh Ghazaleh, Amirhajeloo Leila Rasouli, Mirzaei Maryam
Research Center of Social Factors and Health Promotion, Faculty of Health, Hormozgan University of Medical Sciences, Bandar Abbas, Iran.
Department of Children's, Nursing Faculty of Nursing, Fasa University of Medical Sciences, Fasa, Iran.
Mater Sociomed. 2015 Feb;27(1):52-5. doi: 10.5455/msm.2014.27.52-55. Epub 2015 Feb 21.
The presence of heavy metals such as cadmium in drinking water resources can be dangerous for human because of toxicity and biological accumulation. The consumption of water which contains Cd in high concentration can lead to Bone and Kidney diseases.
In this present study, the researcher collected 432 samples of bottled water in the popular marks in summer and winter from the surface of Bandar Abbas. The cadmium concentration was measured by atomic absorption Spectrophotometer in model DR2800 through the Dithizone method. CDI, R and HQ which are caused by Cd for adult men, women and children, have been calculated and evaluated through the equations of EPA and WHO.
Mean of 1.73±0.19 µg/l (M±SE) is lower than the standard of WHO and EPA. However, 33.2% of all the samples have concentrations more than the standard limit of WHO, and the concentrations of 22.4% of the samples are more than EPA's standard. The CDI for different age groups is as following manner; Children>adult women>adult men. The CDI in children is more than twice as much as in the CDI for adult men and women. The mean of HQ order for different age groups is children>adult men>adult women. Since HQ of adult men (34E-5), adult women (31E-5) and children (84E-5), is lower than 1.
It can be said that the population of Bandar Abbas is in a safe area regarding the HQ of the bottled water's cadmium.
由于毒性和生物累积性,饮用水资源中存在镉等重金属对人体可能是危险的。饮用高浓度含镉的水会导致骨骼和肾脏疾病。
在本研究中,研究人员于夏季和冬季从阿巴斯港表面的知名品牌中收集了432份瓶装水样本。通过双硫腙法,使用DR2800型号的原子吸收分光光度计测量镉浓度。已通过美国环境保护局(EPA)和世界卫生组织(WHO)的公式计算并评估了成年男性、女性和儿童因镉导致的镉剂量指数(CDI)、风险值(R)和危害商数(HQ)。
平均浓度为1.73±0.19微克/升(平均值±标准误),低于WHO和EPA的标准。然而,所有样本中有33.2%的浓度超过了WHO的标准限值,22.4%的样本浓度超过了EPA的标准。不同年龄组的CDI情况如下:儿童>成年女性>成年男性。儿童的CDI是成年男性和女性的两倍多。不同年龄组的HQ平均值顺序为儿童>成年男性>成年女性。由于成年男性(34×10⁻⁵)、成年女性(31×10⁻⁵)和儿童(84×10⁻⁵)的HQ均低于1。
可以说,就瓶装水镉的HQ而言,阿巴斯港的居民处于安全区域。