Determination of Vitamin A Content by High Performance Liquid Chromatography Method in Vegetable Oils Sold in Dakar Supermarkets

Vitamin A deficiency has been a public health problem in many low- and middle-income countries, causing a weakened immune system, putting a child at greater risk of early disease and mortality. It is a source of preventable childhood blindness. Following Decree No. 2009-872 of 10 September 2009, making the application of standards on refined edible oils enriched with vitamin A mandatory. A study was conducted with the aim of evaluating the vitamin A content by the HPLC method in vegetable oils marketed in the urban markets of Dakar. This study is spread over three localities in the city of Dakar according to their demographic concentration. The results found on average for vitamin A are quite revealing with 10.28 ± 2.17 mg/kg for the commune of Grand-Yoff, that of Pikine gives 11.34 ± 0.85 mg/L and finally the commune of Keur Massar 11.79 ± 0.71 mg/kg. The results give a fairly significant difference with P = 0.023.