Paper Information

Journal:   JOURNAL OF AGRICULTURAL SCIENCE (UNIVERSITY OF TABRIZ)   2007 , Volume 17 , Number 1; Page(s) 91 To 98.
 
Paper: 

ESTIMATION OF NITRATE DIETARY INTAKE OF URBAN POPULATION OF ARDEBIL REGION

 
Author(s):  HASHEMI MAJD K.*, FATHI ACHACHLOUEI B.
 
* DEPARTMENT OF SOIL SCIENCE, FACULTY OF AGRICULTURE, UNIVERSITY OF MOHAGHEGH ARDABILI, ARDABIL, IRAN
 
Abstract: 
Nitrate is one of the most important pollutants in the nature. Entrance of high amounts of nitrate to the body creates some disorders such as methemiglobinemia and cancer. To estimate nitrate dietary I intake of Ardebil citizens, compound samples of various food materials were taken from several shopping places at different times, and nitrate concentration was measured. For determination of food consumption amounts, data were collected from 50 families (240 persons) by filling of questionnaires and average nitrate dietary intake was then, calculated. Nitrate dietary intake for Ardebil citizens was 6.16 mg/ kg. day. This value was much higher than the allowed amount of dietary intake (ADI) for nitrate by WHO/FAO (3.7 mg/kg.day). This result showed the potential risk of nitrate for people's health. Leaf vegetables constituted approximately 60 percent of total nitrate intake and lettuce, spinach and fresh vegetables had the highest nitrate concentration. With regard to high consumption rate of bread and relatively its high nitrate content, it is necessary to find the origin of nitrate in this food material. Conducting more research about the origin of nitrate in different food sources and establishing a reference laboratory for permanent control of nitrate in food is being recommended.
 
Keyword(s): ACCEPTABLE DAILY INTAKE (ADI), CONTAMINATION, FOODS, NITRATE
 
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