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Caspian Journal of Enviromental Sciences، جلد ۱۶، شماره ۳، صفحات ۲۴۱-۲۴۸
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عنوان انگلیسی Radon transfer from water to milk
چکیده انگلیسی مقاله Radon, as naturally occurring radioactive gas, is responsible for 50% of the total background radiations in human. Radon gas is able to enter to human body through eating and drinking. So, measurement of received radiation in the human body is essential. In this study, the presence of radon in milk and its dose was examined. This experiment was conducted using 12 Rayeni goats which have been categorized in a completely randomized design by 4 treatments and 3 replication (Treatment A = Radon-containing water + zero antioxidant, Treatment B = Radon-containing water + antioxidant, Treatment C = healthy water + antioxidant, Treatment D = healthy water+ zero antioxidant). The experiment was prolonged for 60 days. During the experiment the goats were milked every day. The samples were transferred to laboratory to determine the milk compounds and properties, as well as to measure its radon level. Presence of radon in milk was detected using Rad7 device. The averaged radon concentration in milk samples (for treatments A and B) receiving radon was about 126 Bq m-3. There was no significant difference between protein. But there was a significant difference between the percentages of fat, lactose, total antioxidant capacity and the number of somatic cells. Radon did not change pH and Malondialdehyde contents of the treatments. We also determined annual received radon dose per person from drinking milk. It was different among age groups. Newborns were at higher risk of internal radon exposure from contaminated milk. Radon can enter thelivestock milk. According to our findings, with, this radon amount in milk was not higher than the allowable level in valid resources for human health.
کلیدواژه‌های انگلیسی مقاله Radon, Milk, Antioxidant, Effective Dose
نویسندگان مقاله M Mansour Bahmany |
Department of Animal Sciences, Faculty of Agriculture, Ferdowsi University of Mashhad, Mashhad, Iran

A Vakili |
Department of Animal Sciences, Faculty of Agriculture, Ferdowsi University of Mashhad, Mashhad, Iran

M Danesh Mesgaran |
Department of Animal Sciences, Faculty of Agriculture, Ferdowsi University of Mashhad, Mashhad, Iran

M.R Rezaie Rayeni |
Departments of Electronic and Biotechnology, Kerman Graduate University of Advanced Technology, Kerman, Iran

E Rezvan Nejhad |
Departments of Electronic and Biotechnology, Kerman Graduate University of Advanced Technology, Kerman, Iran

نشانی اینترنتی http://cjes.guilan.ac.ir/article_3064_eb5d1f47574e602b7aeef2dca320e541.pdf
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زبان مقاله منتشر شده en
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