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Impact of Food Diversification on the Status of Fat- Soluble Vitamins in School-aged Children in the Nawa Region (Côte d'Ivoire)

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Introduction: In Côte d'Ivoire, there is an imbalance between the dietary intake and the nutritional requirements of school-aged children. The objective of this study was to analyze the effect of food diversification, namely sweet potato, soya and cowpea, on vitamin A, D and E profiles among school-aged children in Côte d'Ivoire. Methodology: This study was conducted over eight months (from October 2017 to May 2018). It included 240 school-aged children (6 - 12 years old) who were divided into four groups of 60 pupils. These children consumed food at school canteens in 12 localities of the Nawa region. Four types of meals were proposed: rice with fish (Group 1 control), sweet potato porridge accompanied by green soybean (Group 2), sweet potato porridge accompanied by white cowpea (Group 3), and sweet potato porridge accompanied by cowpea with soya balls (Group 4). Three blood samples were collected: Phase 0 (prior to the consumption of the meals), Phase 1 (sampling taken three months later) and Phase 2 (sampling taken six months later). Blood assay for vitamins A, D and E was performed using high performance liquid chromatography (HPLC). Results: Before the children consumed food at the canteen (phase 0), a sufficient amount of vitamins A, D and E was observed, except for group 4 where a deficiency of vitamin D (

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