Volume 17, Issue 6 (Iranian South Medical Journal 2015)                   Iran South Med J 2015, 17(6): 1160-1167 | Back to browse issues page

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Juibar F, Tavakoli kazerooni A, Ghorbani ranjbary A. Histopathological effects of sodium nitrite on the spleen of male and female rats. Iran South Med J 2015; 17 (6) :1160-1167
URL: http://ismj.bpums.ac.ir/article-1-632-en.html
1- Young Researchers and Elite Club, Kazerun Branch, Islamic Azad University, Kazerun, IRAN , Dr.f.juibar@gmail.com
2- Department of biology & Laboratory Science, Kazerun Branch, Islamic Azad University, Kazerun, IRAN
3- Young Researchers and Elite Club, Kazerun Branch, Islamic Azad University, Kazerun, IRAN
Abstract:   (5688 Views)

Background: Nitrite and nitrate are common additives in meat processed products. In spite of all technological advantages of nitrite, creation of nitrosamine carcinogenic substances causes a lot of concerns for use of these additives. In this study, the histopatological effects of sodium nitrite on the splenic tissue in adult male and female rats were evaluated.

Material and method: In recent studies, 60 adult male and female rats strain Vistar, divided in 6 groups of 10. They were examined for 60 day, and they (male and female rats separately) were divided in 175 mg/kg/day dose recipient group, 350 mg/kg/day dose recipient group and control group which was absorbed nitrite through drinking water. At the end of day 60, using cotton dipped in ether in the jar of anesthesia, were anesthetized. After anesthesia, blood from the left ventricle was taken .the spleen was taking out of body, and then tissue sections were prepared for testing tissue changes. The samples were stained with Hematoxilin- Eozin method. In both sex, factors like morphometric and morphologic from spleen tissue, body weight changes before and after test and blood NOx level was checked. After data collection, all data was analyzed by SPSS statistical software version 17 with using Independent sample t-test and ANOVA. P value of less than 0.05 were reported as statistically significant.

Result: The results showed that consume of sodium nitrite, cause background inflammation type of Mononuclear in both sex, especially around the pulp. Also, in both sex NOx levels in the blood of animals in the group receiving 350 mg/ kg and group receiving 175 mg of sodium nitrite per kg compared with the control group, significantly increased (p ≤ 0.05).

Conclusion: Considering of this study and other studies, Nitrite can cause damage to blood vessels, liver, spleen and other organs. Also sodium nitrite has to switching to other food preservatives.

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Type of Study: Original | Subject: Biochemistry. Cell Biology and Genetics
Received: 2013/06/12 | Accepted: 2013/09/10 | Published: 2014/12/18

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