Nitrite and Nitrate content of fruits and vegetables in Kermanshah (2010)

AUTHORS

Meghdad Pirsaheb 1 , Sima Rahimian 1 , Yahya Pasdar 2 , *

1 Dept. of Environmental Health, Health Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran

2 Dept. of Nutritional Sciences, Health Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran

How to Cite: Pirsaheb M, Rahimian S, Pasdar Y. Nitrite and Nitrate content of fruits and vegetables in Kermanshah (2010), J Kermanshah Univ Med Sci. 2012 ; 16(1):e78885.

ARTICLE INFORMATION

Journal of Kermanshah University of Medical Sciences: 16 (1); e78885
Published Online: May 29, 2012
Article Type: Research Article
Received: April 22, 2011
Accepted: September 13, 2011

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Abstract

Background: High intake of Nitrite and Nitrate may threat human health. Fruits and leafy vegetables are the major source of these chemicals in our diet. There are limited studies on Nitrite and Nitrate content of fruits and vegetables in Iranian and we need to conduct more research on daily-consumed foods. This study aimed to determine Nitrite and Nitrate contents of distributed fruits and vegetables in Kermanshah (2010).

Methods: 108 fruit and vegetable samples were collected during three sessions from different socio–economic area of Kermanshah, Western Iran. Nitrite and Nitrate was assessed triplicate on each samples using Iranian standard protocols (NO.4106). Data was analyzed using one sample t-Test and ANOVA.

Results: Nitrate concentration of potato was higher than the recommender level of WHO (347.7±45.4 mg/kg, p<0.05). Leafy vegetables contained the highest and non-leafy vegetables contained lowest level of Nitrate, 673.8±50/6 and12.5±0.9 mg/kg respectively. Leafy vegetables showed lowest concentration and non-leafy vegetables showed highest concentration of nitrite 0.25±0.05 and 4.3±0.2 mg/kg respectively.

Conclusion: High level of nitrate in potato and vegetables may relate to extra consumption of fertilizer, environmental factors and non-mechanical agriculture in Iran. Periodical examination of nitrite and nitrate concentration in fruits and vegetables need to perform by Food and Drug Committee supervision to increase quality of foods.

Keywords

Nitrate Nitrite vegetables fruits

© 2012, Journal of Kermanshah University of Medical Sciences. This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.

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