Comparison of the concentration of heavy metals in some vegetables (celery, broccoli and lettuce)

  • Maryam Zokaei University of Medical Science, Shiraz, Iran
  • Masoud Sepehri Shiraz University of Medical Science, Shiraz, Iran
  • Mehdi Rezvani Shiraz, Shiraz University of Medical Science, Shiraz, Iran
  • Aniseh Zarei Shiraz University of Medical Science, Shiraz, Iran
Keywords: Accumulation, Heavy metals, Vegetables, FAO

Abstract

Heavy metal contamination is one of the main environmental and food safety concerns. This study was conducted with the objective of determining the concentration of heavy metals such as cadmium, lead, copper, zinc and iron in stems and leaves in various vegetables (celery, broccoli and lettuce) in Shiraz. The metal concentrations in the vegetable samples were determined by atomic absorption spectroscopy (AAS). The results for the vegetable samples showed that the leaves contained much higher concentrations of heavy metals. The concentrations of Cd detected in the vegetable samples varied from a very low infection to 0.0025 mg / kg; very low infection at 0.51 mg / kg Pb; 0.93 to 2.91 mg / kg Cu. 1.44 to 9.69 mg / kg Zn and 2.54 to 11.05mg / kg Fe. The findings of this study indicated that although most of the sampling plants were contaminated, except for lettuce, other crops have an EDI below the Tolerable Daily Intake (PTDI) recommended by the Institute of Standards and Industrial Research of Iran and the FAO / WHO.

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Author Biographies

Maryam Zokaei, University of Medical Science, Shiraz, Iran

 Food and drug department, school of pharmacy, Shiraz University of Medical Science, Shiraz, Iran

Masoud Sepehri, Shiraz University of Medical Science, Shiraz, Iran

Food and drug department, school of pharmacy, Shiraz University of Medical Science, Shiraz, Iran

Mehdi Rezvani, Shiraz, Shiraz University of Medical Science, Shiraz, Iran

Food and drug department school of pharmacy, Shiraz, Shiraz University of Medical Science, Shiraz, Iran

Aniseh Zarei, Shiraz University of Medical Science, Shiraz, Iran

Food and drug department, school of pharmacy, Shiraz University of Medical Science, Shiraz, Iran

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Published
2018-10-30
How to Cite
Zokaei, M., Sepehri, M., Rezvani, M., & Zarei, A. (2018). Comparison of the concentration of heavy metals in some vegetables (celery, broccoli and lettuce). Amazonia Investiga, 7(16), 324-334. Retrieved from https://amazoniainvestiga.info/index.php/amazonia/article/view/415
Section
Articles
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