How do calculation method and food data source affect estimates of vitamin A content in foods and dietary intake? |
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| Affiliation: | 1. Department of Food and Experimental Nutrition, Faculty of Pharmaceutical Sciences (FCF), University of São Paulo (USP), São Paulo, SP, Brazil;2. Food and Nutrition Research Center (NAPAN), USP, Brazil;3. Food Research Center (FoRC/CEPID/FAPESP), Brazil;4. Coordinators of BRASILFOODS, Brazil;1. Department of Genetics, Faculty of Veterinary Sciences, University of Córdoba, Spain;2. Instituto de Investigación y Formación Agraria y Pesquera (IFAPA), Alameda del Obispo, Córdoba, Spain;1. Department of Plant Production, NEIKER-Basque Institute of Agricultural Research and Development, Parque Tecnológico de Bizkaia P. 812, E-48160 Derio, Spain;2. Research Group on Quality, Safety and Bioactivity of Plant Foods, Department of Food Science and Technology, CEBAS-CSIC, P.O. Box 164, E-30100 Espinardo, Spain;1. Graduate School of Humanities and Science, Ochanomizu University, 2-1-1 Otsuka, Bunkyo-ku, Tokyo 112-8610, Japan;2. Ajinomoto Co., Inc., 1-1 Suzuki-cho, Kawasaki-ku, Kawasaki 210-8681, Japan;3. Graduate School of Science, Nagoya City University, 1 Yamanohata, Mizuho, Nagoya 467-8501, Japan;4. Faculity of Core Research, Ochanomizu University, 2-1-1 Otsuka, Bunkyo-ku, Tokyo 112-8610, Japan |
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| Abstract: | The aim of this work was to evaluate the effect of the calculation method and food data source on estimates of vitamin A content in foods and in dietary intake. The Brazilian Vitamin A Database (BVAD) was elaborated using compiled data on retinol and carotenoids in Brazilian foods. Vitamin A was calculated with and/or without separating β-carotene isomers. Estimates of vitamin A intake and data on 16 plant foods were compared using data from BVAD, USDA National Nutrient Database and Brazilian Food Composition Table (TACO). Percentage difference (D%) was calculated to evaluate data variability. Calculated vitamin A values with and without separating β-carotene isomers (BVAD) were consistent in most of the evaluated foods and did not impact on vitamin A intake estimates. BVAD data were consistent with TACO analytical data in 81% of the selected foods and only in 37.5% with data from the USDA. Estimates of vitamin A intake calculated by Brazilian databases were similar, while by USDA the results were quite different. Therefore, the use of values for β-carotene without isomer separation in databases did not affect vitamin A data consistency, however, the use data from different countries to evaluate vitamin A intake may result in inaccurate values. |
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| Keywords: | Food composition Database Data compilation Vitamin data Carotenoids β-Carotene Vitamin A |
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