ارزيابي ريسک عوارض غير سرطان زاي سرب، کادميوم و روي در کپور ماهي تالاب زريوار
فصلنامه علمی پژوهشی بهداشت در عرصه,
دوره 2 شماره 4,
1 دی 2015
,
صفحه 18-25
https://doi.org/10.22037/jhf.v2i4.7575
چکیده
زمينه و هدف: مصرف ماهي مسير مهمي از در معرض قرار گرفتن انسان با فلزات سنگين است. به منظور ارزيابي خطر بهداشتي بالقوه در ارتباط با اين آلايندهها ناشي از مصرف ماهي، نمونههاي کپور ماهي از تالاب زريوار جمعآوري شد.
مواد و روشها: طيف سنجي جذب اتمي براي تعيين حضور فلزات در نمونههاي ماهي انجام شد. فلزات کادميوم و سرب با استفاده از روش کوره گرافيتي شناسايي شده و فلز روي به روش شعله تشخيص داده شد. در اين پژوهش به منظور برآورد جذب روزانه و شاخصهاي خطر فلزات سنگين در نمونههاي بافت عضله ماهي، طبق روش آژانس حفاظت محيط زيست آمريکا براي مصرف ماهي عمل شد. همچنین مسائل اخلاقی در طول جمع آوری دادهها و در کل مطالعه در نظر گرفته شد.
يافتهها: غلظت فلزات سنگين در بافت عضله کمتر از غلظت مجاز استانداردهاي بين المللي (WHO، FAO، MAFF و FDA) بود. خطرپذيري غيرسرطاني براي همه فلزات کمتر از يک بود. مقادير کادميوم، سرب و روي براي خطرپذيري غيرسرطانزا به ترتيب 036/0، 008/0 و 039/0 بود، همچنين شاخص خطر 084/0 بود.
نتيجه گيري: از نتايج اين تحقيق برميآيد كه غلظت فلزات در اين گونه از نقطه نظر مسموميت، براي مصرف انسان قابل قبول است. شاخص خطر در ماهي کپور معمولي کمتر از يک بود. بنابراين مصرف ماهي کپور معمولي غيرمحتمل است که سبب بروز عوارض سوء بهداشتي براي مصرف کنندگان شود.
- فلزات سنگين، استانداردهاي جهاني، جذب روزانه، خطر پذيري، کپور
ارجاع به مقاله
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