Volume 3, Number 2 (6 2010)                   ijhe 2010, 3(2): 195-202 | Back to browse issues page


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Nazemi S, Asgari A, Raei M. Survey the Amount of Heavy Metals in Cultural Vegetables in  Suburbs of Shahroud. ijhe. 2010; 3 (2) :195-202
URL: http://ijhe.tums.ac.ir/article-1-125-en.html

Abstract:   (6129 Views)

Backgrounds and Objectives : Vegetables are one of the most important components of daily food. Contamination of vegetables with heavy metals might ends to accumulate in the body, there for in this study the level of lead, chromium, cadmium, arsenic and zinc in cultural vegetables of shahroud suburb were measured in 1387.
Materials and Methods : In this cross-sectional descriptive study, 150 vegetable samples through 3 months, 50 for each month, were randomly harvested. Atomic absorption instrument was used to determine the amount of mentioned heavy metals after sample preparation, SPSS whit 0.05 was used for statistically data analyzing.
Results : For vegetables the average value of Pb, Cr and Cd in different vegetables were different from each other and P value was less than<0.001. There are no significant amounts of Arsenic concentration. The value of these metals with 95% acceptable level was in the range of satisfaction. Arsenic didn&apost have that much of error of its contamination
Conclusion : Except Zn and As other metals like Cr, Cd and Pb were above the standard zone by FAO&WHO. The wastewaters of urban and industrial facilities are the main reason for this problem.The best suggestion is using pure water for this purpose.

Full-Text [PDF 421 kb]   (2254 Downloads)    
Type of Study: Research | Subject: General
Received: 2010/02/16 | Accepted: 2009/04/3 | Published: 2010/04/4

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