Determination of some heavy metals levels in the meat of animal species (sheep, beef, turkey, and ostrich) and carcinogenic health risk assessment in Kurdistan province in the west of Iran
2022
Raeeszadeh, Mahdieh | Gravandi, Hamed | Akbari, Abolfazl
Heavy metals accumulation in food products as a result of industrialization is one of the main potential threats to public health. This study was aimed to evaluate the concentrations of heavy metals in the meat of some prevalent farm animal species including sheep, beef, turkeys, and ostriches in Sanandaj (one of the strategic cities in Kurdistan province, Iran). In this study, the contents of some heavy metals (selenium, lead, cadmium, arsenic, cobalt, zinc, nickel, copper, and chromium) were assessed in 170 meat samples collected from meat distribution centers in Sanandaj, Kurdistan province. The ICP-MS method was used to assess the levels of these elements in the meat of beef, sheep, turkey, and ostrich as the main consumed meats in this region. Statistical analysis was performed by ANOVA and one-sample t-test, and the correlation coefficient of the concentrations of metals was also calculated. The results showed that there were no significant differences in the average contents of selenium, nickel, cobalt, and chromium among various meats (P > 0.05). However, the amounts of lead, cadmium, arsenic, zinc, copper, chromium, and nickel were meaningfully different to maximum permissible limits (MPL) (P < 0.05). In addition, a significant negative correlation was found between arsenic and selenium in meats. Except for cobalt, the concentrations of other metals were higher than MPL in the evaluated meats. Despite the target hazard quotient (THQ) for cadmium in sheep and beef meats being higher than their MPL (> 1), its target risk of cancer (TR) was acceptable. It can be concluded that monitoring and elimination of heavy metals pollution are essential because of their high accumulation in the meat of main farm animal species in Sanandaj, Kurdistan province.
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