Nitrite and nitrate content in meat products and estimated nitrite intake by the Estonian children
2020
Elias, Andres | Jalakas, Sirje | Roasto, Mati | Reinik, Mari | Nurk, Eha | Kaart, Tanel | Tuvike, Anneli | Meremäe, Kadrin | Nelis, Keiu | Elias, Terje
Public interest in nitrate and nitrite content reduction in meat products has increased; therefore, the aim of the present study was to determine nitrate and nitrite levels in commercial meat products as the main source of added nitrites, and to estimate their dietary intake by children. The intake of nitrite from processed meat products and drinking water by Estonian children was estimated. Daily intake estimations were based on the food consumption data of the National Institute for Health Development. In addition, nitrite/nitrate concentrations of meat and processed meat products were measured using a liquid chromatographic method with UV detection. Mean nitrite intakes among 1087 studied children were 0.015 and 0.016 mg kg⁻¹ b.w. day⁻¹, respectively, among children aged 12–35 months and 3–10 years. Acceptable daily intake (ADI) of 0.07 mg nitrite kg⁻¹ b.w. day⁻¹ was exceeded in 3.1% of children, being more prevalent in the younger age group. Considering the consumption of processed meat and drinking water, mean nitrite intakes in the younger and the older age groups were, respectively, 21.9% and 22.9% of the ADI. Study results indicated that over a period of 10 years, children’s dietary nitrite intake from processed meat products has declined, which is probably caused by changes in food preferences and decreased usage of nitrite in cured meat products by meat industries.
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