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Pakistan Journal of Nutrition
Year: 2005  |  Volume: 4  |  Issue: 4  |  Page No.: 270 - 272

Study and Measurement of Pb, Cd, Cr and Zn in Green Leaf of Tea Cultivated in Gillan Province of Iran

A.G. Ebadi, S. Zare, M. Mahdavi and M. Babaee    

Abstract: One of the effects of industrialization of communities is great consumption of different chemical substances that resulted severe consequences such as, chronic poisoning that most of them will be dangerous and life threatening. The metals are part of major substances with mutational and carcinogenic effects. With respect to the collective characteristics of these metals on human and environmental health, we decided to evaluate their adverse effects. Present study was done in Gillan province (North of Iran) on green leaf of Tea cultivated in Lahijan and Fuman cities. The samples were selected from ten regions and five samples from selected areas were studied. evaluation of metals in green leaves (Pb, Cd, Cr and Zn) was carried out by atomic absorption spectrometry .The results showed a significant relation between the amount of lead and regions (P < 0.05) and also comparison between these mean numbers showed that in Eastern station, lead had the highest amount with average of 5.300 ppm in Fuman and 4.300 ppm in Lahijan samples. Amounts of other metals (Cd, Cr and Cu) were below standard that proposed by WHO. With respect to obtained results, there is a great potential for hazardous substance in the studied regions and it is necessary to make a serious analysis about this substances in other regions of Gillan Province.

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