Effects of canning on extraction of heavy metals from tuna

In this study, mercury, lead, cadmium and copper were determined in oils and meat of canned tuna. Also two tuna species of Persian Gulf and Oman sea and vegetable oil were analyzed for these metals. the results of this study indicate that these heavy metals could be extracted to oil or water in cann...

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Published in:Italian journal of food science 2011-10, Vol.23 (4), p.442
Main Authors: Hashemi-Moghaddam, H, Shaabanzadeh, M, Mohammadhosseini, M
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Language:English
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Canned foods industry
Heavy metals
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Shaabanzadeh, M
Mohammadhosseini, M
description In this study, mercury, lead, cadmium and copper were determined in oils and meat of canned tuna. Also two tuna species of Persian Gulf and Oman sea and vegetable oil were analyzed for these metals. the results of this study indicate that these heavy metals could be extracted to oil or water in canned tuna. In the case of lead, because of impurity of galvanized cans to it, concentration in oil and water is higher than meats in some samples. Overall, the majority of canned tuna from the Persian Gulf (area of Iran) have concentrations below the maximum permissible levels for these toxic metals but concentration of heavy metals is considerable in oil and water of canned tuna. It should be due to the extraction of them to organic phase. since most toxic organometallic compounds extract faster than inorganic compounds it could be very important in toxicology. --Key words: heavy metals, canned tuna, oil, meat, extraction--
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subjects Canned foods industry
Heavy metals
title Effects of canning on extraction of heavy metals from tuna
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