ارزیابی مخاطرات فلزات کادمیوم و آرسنیک در خاک و کاهو ( longifolia sativa Lactuca ( و کلم ) oleraceacapitata Brassica ) کشت شده در استان خوزستان

نوع مقاله: مقاله علمی - پژوهشی

نویسندگان

1 کارشناس ارشد گروه علوم و صنایع غذایی، واحد اهواز، دانشگاه آزاد اسلامی، اهواز، ایران

2 استادیار گروه خاکشناسی، واحد اهواز، دانشگاه آزاد اسلامی، اهواز، ایران

3 استادیار گروه علوم و صنایع غذایی، واحد اهواز، دانشگاه آزاد اسلامی، اهواز، ایران

چکیده

مقدمه: کادمیوم و آرسنیک سمیت بسیار زیادی دارند و با تجمع در مواد غذایی سبب مسمومیت و بیماریزایی در بدن انسان میشوند. در
این تحقیق میزان آلودگی فلزات سنگین آرسنیک و کادمیوم در سبزیچات کاهو و کلم های معمولی و خاک در سه شهرستان حمیدیه، دزفول
و رامهرمز در استان خوزستان مورد بررسی قرار گرفت.
مواد و روشها: به منظور اجرای پژوهش، تعداد 21 نمونه از سبزی های کاهو و کلم کشت شده و 21 نمونه خاک مزارع شهرستانهای
حمیدیه، دزفول و رامهرمز استان خوزستان نمونهبرداری شد. ریسک اکولوژیک فلزات کادمیوم و آرسنیک به کمک شاخصهای آلودگی
بررسی شد.
0 میلیگرم در کیلوگرم و / 2 و 21 / یافته ها: کمترین میزان آلودگی در هر دو سبزی کلم و کاهو به آرسنیک در شهر دزفول به ترتیب با 31
2 میلیگرم در کیلوگرم مشاهده شد. / 1 و 41 / بیشترین میزان آلودگی کلم و کاهو به آرسنیک در شهر رامهرمز به ترتیب به میزان 44
0/ 1 میلیگرم در کیلوگرم و بیشترین غلظت عنصر کادمیوم در خاک دزفول به میزان 11 / بیشترین غلظت آرسنیک در خاک رامهرمز با 14
میلی گرم در کیلوگرم مشاهده شد. نتایج نشان داد که فلزات سنگین آرسنیک و کادمیوم در شهرهای مورد مطالعه دارای پتانسیل ریسک
> اکولوژیک کم ) 40 Er ( و شاخص ریسک ) RI > ( نیز دارای ریسک کم ) 210 RI 31 ( و / ( بود. بیشترین شاخص ریسک در شهر حمیدیه ) 4
22 ( میباشد. / کمترین شاخص ریسک مربوط به شهر رامهرمز ) 66
نتیجهگیری: نتایج محاسبه شاخص مخاطره سلامت ) HI ( در کاهو و کلم مورد مطالعه کمتر از 2 بود که نشان میدهد غلظت این عناصر
در خاک فاقد مخاطره و اثرات سوء بهداشتی برای مصرفکننده میباشد.

کلیدواژه‌ها


عنوان مقاله [English]

Evaluation of Health Hazards of Cadmium and Arsenic in Lettuce and Cabbage Cultivated in Khuzestan Province

نویسندگان [English]

  • Z. Moavi 1
  • Kh. Payandeh 2
  • M. Tadayoni 3
1 M. Sc. of the Department of Food Science and Technology, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran.
2 Assistant Professor of the Department of Soil Science, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran.
3 Assistant Professor of the Department of Food Science and Technology, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran.
چکیده [English]

Introduction: Cadmium and arsenic have toxicity and can accumulate in food and cause
poisoning and disease in the human body. In this research, the amount of contamination of
heavy metals, particularly arsenic and cadmium in lettuce and common cabbage and soil in
three cities of Hamidieh, Dezful and Ramhormoz in Khuzestan province were investigated.
Materials and Methods: In order to implement the research, 15 samples of lettuce and
cabbage cultivars were cultured and 15 soil samples were collected from cities of Hamidieh,
Dezful and Ramhormoz in Khuzestan province. The ecological risk of cadmium and arsenic
was studied using pollution indices.
Results: The lowest amounts of contaminations in both cabbage and lettuce vegetables
concerned with arsenic were found in Dezful at the concentrations of 1.39 and 0.85 ppm
while the highest concentrations were observed in Ramhormoz at the levels of 2.44 and 1.49
ppm respectively. Ramhormoz soil indicated the highest concentrations at arsenic (2.24 ppm)
while Dezful soil showed the highest amount of cadmium (0.25 ppm). The results showed that
heavy metals of arsenic and cadmium in the studied cities had low ecological risk (Er<40) and
low risk (IR) risk index (RI<150). The highest risk index is in Hamidieh (32.4) and the lowest
risk index is Ramhormoz (11.66).
Conclusion: The results of Health Hazard Index (HI) in lettuce and cabbage were less than 1,
indicating that the concentration of these elements in the soil would be hazardous and would
have adverse health effects for the consumer.

کلیدواژه‌ها [English]

  • Arsenic
  • Cabbage
  • Cadmium
  • Health
  • Lettuce
  • toxicity
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