Paper Information

Journal:   JOURNAL OF FOOD TECHNOLOGY AND NUTRITION   SUMMER 2010 , Volume 7 , Number 3 (27); Page(s) 35 To 42.
 
Paper: 

ASSESSMENT OF LEAD AND CADMIUM LEVELS IN RAW MILK FROM VARIOUS REGIONS IN YAZD PROVINCE

 
 
Author(s):  YASAEI MEHRGRDY GH.R., EZZATPANAH H.*, YASINI ARDAKANI S.A., DADFARNIA SH.
 
* FOOD SCIENCE AND TECHNOLOGY DEPARTMENT, SCIENCE AND RESEARCH BRANCH, ISLAMIC AZAD UNIVERSITY, TEHRAN, IRAN
 
Abstract: 

Introduction: With attention to damages due to dietetic absorption of lead and cadmium, such as disorder in operation of kidney and liver, increasing cordial-coronary disease, anemia, decreasing pregnancy, and most important, increasing spontaneously metal absorption and being one of the important selective food to nourish infants and other age groups, the concentrations of Pb and Cd in raw cow's milk samples, which were taken from different regions of Yazd province, were determined.
Materials and Methods: A total of 25 samples of raw cow's milk were obtained on the base of ISO: 707.
Measurement of lead and cadmium was carried out by slurry method and Electrothermal Atomic Absorption Spectrometry (ETAAS) with Zeeman basis correction.
Results: The mean concentrations were determined in raw milk for Pb (7.2µg/kg) and Cd (0.582µg/kg). Statistical analyses showed that there are no significant differences between lead and cadmium concentrations in raw cow's milk samples from different regions of Yazd province. In all the samples measured lead and cadmium contents, were less than authorized limit by FAO/WHO standard (Pb: 20µg/kg and Cd: 10µg/kg).
Conclusion: With respect to the results obtained, It seems that the concentrations of Pb and Cd in raw milk produced in Yazd did not present any major risk to human health (infants and adults).

 
Keyword(s): CADMIUM, LEAD, RAW MILK, YAZD PROVINCE
 
References: 
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