Shahnaz Sharifi, Sara Sohrabvandi, Vahid Mofid, Fardin Javanmardi, Elham Khanniri, Amir Mohammad Mortazavian
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The assessment of lead concentration in raw milk collected from some major dairy farms in Iran and evaluation of associated health risk
Milk is one of the most consumed sources among people, especially children. hence, its contamination with heavy metals can pose a serious risk to children. Therefore, this study aimed to measure the lead concentration as one of the most dangerous heavy metals in the raw milk of several major animal husbandries in Tehran province from Iran. A total of 57 raw milk samples were collected from different regions of Tehran province. The lead contents were measured using a graphite furnace atomic absorption spectrometer. To evaluate the risk of the samples and hazard quotient (HQ) were calculated. The results showed that HQ for all samples was lower than 1 which was found within the acceptable level. Because the absorption of Pb is higher in children and this metal has a cumulative property in the body, even its small weekly intake can be dangerous in long-term consumption.
期刊介绍：
Journal of Environmental Health Science & Engineering is a peer-reviewed journal presenting timely research on all aspects of environmental health science, engineering and management.
A broad outline of the journal''s scope includes:
-Water pollution and treatment
-Wastewater treatment and reuse
-Air control
-Soil remediation
-Noise and radiation control
-Environmental biotechnology and nanotechnology
-Food safety and hygiene
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