Estimated dietary intake of nitrite and nitrate in Swedish children
- 11 March 2011
- journal article
- research article
- Published by Taylor & Francis Ltd in Food Additives & Contaminants: Part A
- Vol. 28 (5), 659-666
- https://doi.org/10.1080/19440049.2011.555842
Abstract
This study examines the intake of nitrate and nitrite in Swedish children. Daily intake estimates were based on a nationwide food consumption survey (4-day food diary) and nitrite/nitrate content in various foodstuffs. The mean intake of nitrite from cured meat among 2259 children studied was 0.013, 0.010 and 0.007 mg kg−1 body weight day−1 in age groups 4, 8–9 and 11–12 years, respectively. Among these age groups, three individuals (0.1% of the studied children) exceeded the acceptable daily intake (ADI) of 0.07 mg nitrite kg−1 body weight day−1. The mean intake of nitrate from vegetables, fruit, cured meat and water was 0.84, 0.68 and 0.45 mg kg−1 body weight day−1 for children aged 4, 8–9 and 11–12 years, respectively. No individual exceeded the ADI of 3.7 mg nitrate kg−1 body weight day−1. However, when the total nitrite intake was estimated, including an estimated 5% endogenous conversion of nitrate to nitrite, approximately 12% of the 4-year-old children exceeded the nitrite ADI. Thus, the intake of nitrite in Swedish children may be a concern for young age groups when endogenous nitrite conversion is included in the intake estimates.Keywords
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