Estimate of intake of benzoic acid in the Belgian adult population.
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| Abstract |
An exposure assessment was performed to estimate average daily benzoic acid intake for Belgian adults. Food consumption data were retrieved from the national food-consumption survey. As a first step, individual food-consumption data were multiplied with the maximum permitted use levels for benzoic acid per food group (Tier 2). As a second step, a label survey to identify the foods where benzoic acid is effectively used as an additive and a literature review of the possible occurrence of benzoic acid as a natural substance were performed. With this information, a refined list of foods was drafted for the quantification of benzoic acid, which was performed by a high-performance liquid chromatography (HPLC) method, optimized and validated for this purpose. Individual food-consumption data were then multiplied with the actual average concentrations of benzoic acid per food group (Tier 3). Usual intakes were calculated using the Nusser method. The mean benzoic acid intake was 1.58 mg kg(-1) body weight day(-1) (Tier 2) and 1.25 mg kg(-1) body weight day(-1) (Tier 3). In Tier 2, men exceeded the acceptable daily intake (ADI) of 5 mg kg(-1) body weight day(-1) at the 99th percentile. The greatest contributors to the benzoic acid intake were soft drinks. Benzoic acid as a natural substance represents only a small percentage of the total intake. The results show that actual benzoic acid intake is very likely to be below the ADI. However, there is a need to collect national food-consumption data for children as they might be more vulnerable to an excessive intake.
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| Authors | S Vandevijvere, M Andjelkovic, M De Wil, C Vinkx, I Huybrechts, J Van Loco, H Van Oyen, L Goeyens |
| Journal | Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment (Food Addit Contam Part A Chem Anal Control Expo Risk Assess) Vol. 26 Issue 7 Pg. 958-68 (Jul 2009) ISSN: 1944-0057 [Electronic] England |
| PMID | 19680971 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't) |
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