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Intake of Heavy Metals through Milk and Toxicity Assessment

Intake of Heavy Metals through Milk and Toxicity Assessment


Amir Ismail1, Muhammad Riaz1,2*, Saeed Akhtar1, Amjad Farooq3, Muhammad Arif Shahzad1 and Ahmad Mujtaba4


1Instituteof Food Science and Nutrition, Bahauddin Zakariya University, Multan
2Department of Food Science and Technology, College of Life Sciences, Sejong University, Gunja-dong 98, Gwangjin-gu, Seoul 143-747, Republic of Korea
3Institute of Pure and Applied Biology, Bahauddin Zakariya University, Multan
4PMAS-Arid Agriculture University, Rawalpindi-Pakistan 

*       Corresponding author:


 In the present study five heavy metals were analyzed in the milk samples of cow, buffalo and goat. The level of Pb was found to exceed the maximum permissible limit (0.02 µg/g) set by Codex Alimentarius Commission in 53% milk samples. In 44% milk samples the level of Cd was found to exceed the permissible limit (0.0026 µg/g) set by International Dairy Federation (1979). The mean levels of Ni, Cu and Co were found in the normal ranges. The data for estimated daily intake of heavy metals through milk showed that infants are most prone towards heavy metal toxicity due to the higher rate of milk consumption.

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Pakistan Journal of Zoology


Pakistan J. Zool., Vol. 56, Iss. 3, pp. 1001-1500


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