ESTIMATION OF HEALTH RISK INDEX DUE TO PRESENCE OF HEAVY METALS IN FOOD OF KYZYLORDA CITY (KAZAKHSTAN)

Abstract

This article presents the estimation of health risk index due to presence of heavy metals in food of Kyzylorda city. The main heavy metals (zinc, copper, cadmium, lead and manganese) were analyzed in some most commonly used locally produced food products of Kyzylorda city by atomic absorption spectrometry. The decomposition of food samples was done by mixture of sulfuricand nitricacidsin a ratio of1:1 without boiling to complete oxidation.The obtained data were used for the health risk index calculation. The results showed the highest content of zinc in rice (93.8 mg/kg); lead – in cabbage (61.2 mg/kg); cadmium – in peels of onion (14.7 mg/kg); manganese – in peels of carrot (38.7 mg/kg); copper – in peels of onion (33.2 mg/kg). Health risk index due to content of zinc and lead in potato and zinc in rice is high. Consumption of carrots, onions, cabbages and apples produced in Kyzylorda region has insufficient influence on health of local people, but the content of heavy metals in potato and rice is recommended to be controlled.

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