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Heavy Metal Contamination of Milk and Milk Products Consumed in Tabriz

[ Vol. 15 , Issue. 5 ]

Author(s):

Samira Beikzadeh, Behzad Ebrahimi*, Reza Mohammadi, Mehdi Beikzadeh, Mohammad Asghari-Jafarabadi and Elaheh Foroumandi   Pages 484 - 492 ( 9 )

Abstract:


Background: In this study, lead (Pb), cadmium (Cd), copper (Cu), Iron (Fe) and arsenic (As) contents in milk and different dairy product samples from in Iran (Tabriz) were measured.

Methods: Samples of 10 brands of pasteurized milk, yoghurt, traditional and industrial kashk were selected and quantitative analysis for heavy metals were performed by a Varian AA240fs atomic absorption spectrometer with a graphite Furnace (GTA 120).

Results: The obtained ranges of mean heavy metals are given in the following: in milk 6.066-10.83, 2.343-6.070, 141.73-241.23, 2764.3-3151.3, 3.246-7.536ppb, in yoghurt 5.543-19.341, 3.143-8.830, 276.17-423.53, 2412.4-4115.7, 6.650-10.84, in industrial kashk 2.163-19.621, 1.541-13.45, 115.87- 565.40, 2588.4-5014.3, 4.346-20.351ppb, and in traditional kashk 7.972-32.723, 5.233-9.966, 416.42- 923.62, 4491.4-6402.3, 7.661-28.413 ppb, respectively.

Conclusion: All the samples were below the internationally recognized permissible limits and did not pose any health risk to the consumption of milk and dairy products in Tabriz.

Keywords:

Bioactive compounds, heavy metals, kashk, milk product, milk, yoghuort.

Affiliation:

Student Research Committee, Department of Food Science and Technology, National Nutrition and Food Technology Research Institute, Faculty of Nutrition Science and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Department of Food Science and Technology, Maragheh University of Medical Sciences, Maragheh, Department of Food Science and Technology, School of Nutrition Sciences and Food Technology, Research Center of Oils and Fats, Kermanshah University of Medical Sciences, Kermanshah, Department of Food Science and Technology, Faculty of Nutrition and Food Sciences, Tabriz University of Medical Sciences, Tabriz, Road Traffic Injury Research Center, Faculty of Hygiene, Tabriz University of Medical Sciences, Tabriz, Department of Nutrition, Faculty of Nutrition and Food Sciences, Tabriz University of Medical Sciences, Tabriz



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