Some heavy metal residues in fast foods (ready to eat) collected from Alexandria governorate [electronic resource].

Includes references.

A total of 150 samples of restaurant and street vended fast foods including shawerma, sausage,hamburger,kofta and liver sandwiches (15 samples of each) were collected from different restaurants and street vendors in Alexandria governorate to determine the Levels of heavy metals (cadmium, lead, mercury ,copper, nickel and zinc.), . The results revealed that levels of heavy metal residues in all the examined samples were within the Egyptian standard permissible limits with the exception of levels of cadmium and lead ,which were above the limits in street vended food samples .At the same time, levels of heavy metals in street vended food samples were significantly higher than levels of heavy metals in restaurant food samples. Concerning , cadmium (Cd) and lead (Pb), the highest levels (0.256+0.191, 1.489+0.767) were in liver sandwiches., respectively. In case of copper (Cu) and nickel (Ni), the highest levels (0.379+0.134 , 0.197+0.098) were in kofta sandwiches., respectively . Regarding, mercury( Hg) and zinc(Zn), the highest mean concentrations (0.408±0.145, 2.862+0.200.) were in sausage sandwiches., respectively.

Summary in Arabic.

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