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Potential health risk of heavy metals via consumption of rice and vegetables grown in the industrial areas of Bangladesh

Publication Date - 2019-01-19 00:00:00

Publication Title : Potential health risk of heavy metals via consumption of rice and vegetables grown in the industrial areas of Bangladesh

Publicationed By : Dr. Md Saiful Islam

Publication Publication Date : 2019-01-19 00:00:00

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Publication Description :

Heavy metals are toxic in nature, and their contamination in foodstuff  is a matter of concern for human health. The present study was  conducted to assess the concentrations of chromium, nickel, copper,  arsenic, cadmium, and lead in rice and vegetables and their possible  human health risks in Tangail district, Bangladesh. Metals were measured  by inductively coupled plasma mass spectrometry (ICP-MS) after  microwave digestion system. The average values of Cr, Ni, Cu, As,  Cd, and Pb in rice and vegetables were 16.26, 16.11, 13.99, 2.28,  1.86, and 7.93mg/kg, respectively. The average metal concentration  in rice and vegetable species was in the decreasing order of okra>-  chili>bitter gourd>papaya>brinjal>bean>bottle gourd>rice>  cucumber>sponge gourd>Indian spinach. The estimated daily  intake (EDI) values of all the metals except Cu were higher than the  maximum tolerable daily intake (MTDI). The target hazard quotients  (THQs) values of Ni, Cu, As, Cd, and Pb exceeded the threshold value  of 1 through consumption of rice and vegetables, indicating significant  health risks to both adult and children. The target carcinogenic  risk (TR) of As and Pb through consumption of rice and vegetables  was higher than the USEPA threshold level (104). From the health  point of view, this study clearly revealed that consumption of these  contaminated rice and vegetables definitely poses carcinogenic and  non-carcinogenic risks.

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