ارزیابی خطر سلامتی فلزات سنگین (کادمیوم و سرب) در محصولات گلخانه‌ای برداشت شده از گلخانه‌های اطراف معدن ایرانکوه در سال 1396

نوع مقاله : مقاله پژوهشی

نویسندگان

1 گروه خاک‌شناسی، واحد اراک، دانشگاه آزاد اسلامی، اراک، ایران

2 گروه زراعت و اصلاح نباتات،دانشگاه صنعتی اصفهان، اصفهان، ایران

چکیده

اهداف:‌ آلودگی خاکها به فلزات سنگین دائماً در حال گسترش است که می‌تواند سلامت انسان را به خطر بیندازد. در این میان برداشت از معادن حاوی فلزات سنگین از جمله سرب و کادمیوم می‌تواند به افزایش آلودگی خاک کمک کند. بنابراین این تحقیق با هدف ارزیابی خطر سلامتی فلزات سنگین (کادمیوم و سرب) در محصولات گلخانه‌ای برداشت شده از گلخانه‌های اطراف معدن ایرانکوه صورت پذیرفت.
موادو روش‌ها: در این مطالعه توصیفی- مقطعی 10 گلخانه خیار، گوجه فرنگی و فلفل دلمه ای در اطراف مجتمع ایرانکوه به طور تصادفی انتخاب گردید، به نحوی که بتواند نشانگر الگوی پراکنش کادمیوم و سرب موجود در منطقه باشد. در زمان برداشت محصول نمونه برداری از میوه و خاک گلخانه صورت پذیرفت. در هر نمونه برداری 10 نمونه از هر محصول و همچنین خاک سطحی هر گلخانه برای آزمایش انتخاب شد‌. غلظت سرب و کادمیوم با استفاده از دستگاه جذب اتمی تعیین شد و ارزیابی خطر سلامتی این فلزات بر اساس مدل پیشنهادی توسط آژانس محیط زیست آمریکا تعیین شد.
یافته‌ها: بیشترین و کمترین میزان جذب کادمیوم و سرب روزانه بدن انسان در گروه سنی 3 تا 6 سال به ترتیب مربوط به مصرف 55 و 100گرم در روز فلفل دلمه‌ای و خیار بود. در گروه بزرگسال 18 تا 35 سال نیز نتایج مشابهی مشاهده شد. ضریب خطرپذیری کادمیوم برای کلیه گروههای سنی بیشتر از سرب بود. بیشترین ضریب خطرپذیری سرب و کادمیوم مربوط به ورود آنها از طریق تماس پوستی با خاک بوده و کمترین آن از طریق ورود از طریق بلع بوده است.
نتیجه‌گیری‌: نتایج این پژوهش نشان داد که غلظت بالای سرب و کادمیم در محصولات گلخانه‌ای تولید شده در اطراف معدن ایرانکوه مساله مهمی برای سلامت مصرف کنندگان این محصولات محسوب می شود که باید بیشتر مورد توجه قرار گیرد.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Health risk assessment of heavy metals (Cd and Pb) in greenhouse products harvested from greenhouses around Irankooh mine in 2017

نویسندگان [English]

  • Amirhossein Baghaie 1
  • Mehran Keshavarzi 2
1 Department of Soil Science, Arak Branch, Islamic Azad University, Arak, Iran
2 Department of Agronomy and Plant Breeding, Isfahan University of Technology, Isfahan, Iran
چکیده [English]

soil pollution to heavy metals is elevating that is dangerous for human health. According to this, mining activities to extract different heavy metals such as Pb and Cd can increase soil pollution. Thus, this research was done to evaluate Health risk assessment of heavy metals (Cd and Pb) in greenhouse products harvested from greenhouses around Irankooh mine.
Materials and Methods: In this study 10 cucumber, tomato and bell pepper greenhouses were selected randomly around Irankooh mine. At the time of harvest, fruit and soil sampling were done. In each sampling, 10 fruit samples of each products and soil surface from different parts of greenhouses were randomly selected for analysis.
Results: The highest and lowest daily intakes of Cd and Pb in the group age of 3-6 were determined with daily consumption of 55 and 100 g bell pepper and cucumber, respectively. The same results were observed for adult people in the age 18-35. The hazard quotient of Cd for all age groups was greater than the Pb hazard quotient. The highest hazard quotient of both Cd and Pb were due to the dermal contact with polluted soil and the lowest of them results from oral way.
Conclusions: The results of this research were shown that high Pb and Cd concentration in the greenhouse vegetable which produced around Irankkoh is an important concern for consumers health of these vegetables that should be more considered.

کلیدواژه‌ها [English]

  • Pollution risk
  • lead
  • cadmium
  • Irankkoh mine
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دوره 26، شماره 3
مرداد و شهریور 1398
صفحه 293-302
  • تاریخ دریافت: 22 خرداد 1397
  • تاریخ بازنگری: 21 شهریور 1397
  • تاریخ پذیرش: 30 شهریور 1398
  • تاریخ اولین انتشار: 30 شهریور 1398