Evaluation of Radioactivity and Heavy Metal Concentrations in Some Liquid Supplements Samples
DOI:
https://doi.org/10.30526/39.3.4322Keywords:
Radioisotopes, Dietary supplements , Cancer Risk, Flame atomic absorption spectroscopy, Heavy metalAbstract
In recent years, it has become clear that consumers of nutritional supplements, especially adults, tend to consume these supplements for the purpose of improving health and delaying chronic diseases associated with age, in addition to improving physical and mental performance. These supplements are widely available in all pharmacies and medical stores in Iraq. Therefore, the current study aims to determine the concentrations of uranium and its isotopes and the concentration of radon gas and calculate the associated radiological hazard using the CR-39 detector by the exposure and irradiation method, and to calculate the concentration of heavy metals and hazard coefficients using the flame atomic absorption spectroscopy technique. The results showed that for Uranium isotopes activity values for (U238, U235, U234) were(5.23±0.3144Bq/L),(0.244±0.014Bq/L), and (5.402±0.324Bq/L),and The average value of the total annual effective dose (AED) and for the risk of deaths from cancer per million individuals (RECFPMP) were (2.02×10-6±3.83×10-7) (mSv/y) (6.84×10-6±1.437×10-6) respectivly, while for radon the radon concentration in the air and The annual effective doses (AED) and the lung cancer cases per million (CPPP) have an average value were (22.421±17.389 Bq/L), (0.565 ±0.155mSv/y) and (10.181±7.896), and for heavy metals The concentrations were measured for each (Cd, Cr, Cu, Zn and Fe) were (0.307±0.020ppm), (0.028±0.005ppm), (0.714±0.048ppm), (2.714±0.188ppm)and (0.145±0.035ppm), and for The daily intake of carcinogens(CDIca) The highest value was for Zn with the average value equal (8.92× 10⁻⁹ ± 6.19×10⁻10 mg/kg/day), and lowest value was for Cr with average value (9.33×10⁻11±1.57×10⁻11 mg/kg/day) , and The risk of cancer (CR) was calculated for both Cr and Cd with an average are (4.66×10-11±7.86×10-12), (6.36×10⁻⁹ ±4.07×10⁻10) ,and finally for Total Cumulative Cancer Risk (TCCR) with an average is (6.41×10⁻⁹ ±1.147×10⁻⁹),all measured results were less than the acceptable limits
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