Abstract
Cow’s milk is considered as one of responsible food sources contamination with heavy metals. The objective of the study were to assess to content of selected heavy metals in fresh cow's milk and its associated human health risks in the food chain in Sudan. Fresh cow's milk samples were collected from two dairy of Merowe city-North Sudan by using Atomic Absorption Spectrophotometer (AAS) was used for the quantitative determination of the concentration of sex heavy metals namely (Cd, Cr, Cu, Pb, Zn and Mn) in samples available, the elements of (Cd 0.007, 0.005, 0.008) (Cr 0.008, 0.009, 0.007) (Cu 0.500, 0.340, 0.460) (Pb 0.009, 0.006, 0.005) (Zn 3.120, 2.000, 1.640) (Mn, 0.120, 0.080, 0.160). These values are compared with Recommended Dietary Allowance (ARD) values and also with corresponding values of different countries available in the literature our result of this paper it is co strong to meager the concentration of seven heavy metals and show an important.
Highlights
It is well known that increase in industrial and agricultural processes has resulted in increased concentration of metals such as Cu, Zn, Mn, Fe, Cr, Ni, Pb, Cd, Al, Se and Hg in air, water and soil
Heavy metals contents varies widely due to many factors such as difference between species, characteristic of manufacturing practices and possible contamination from equipment’s during the process among the sex elements analyzed
Table 2. mean concentration of heavy metals in cow milk samples collected from Merowe
Summary
It is well known that increase in industrial and agricultural processes has resulted in increased concentration of metals such as Cu, Zn, Mn, Fe, Cr, Ni, Pb, Cd, Al, Se and Hg in air, water and soil. Such metals are taken in by plants and subsequently get accumulated in their tissues. Metals enter the human body through inhalation of polluted air, ingestion of polluted food and water or absorption through the skin [1]. The scientific community is greatly concerned about the ever increasing pollution of the environment, especially about the intake of harmful metals by human beings, plants and animals
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