Introduction: The powdered milk is a much appreciated food in Senegal. However no particular control is realized by authorities on the various marks of milk imported before their marketing. In the concern to protect the health of the consumers, but especially in front of the very big variety of the sources of supply in this product we determined the contents in fat, in protein and in vitamin D main variety show of marketed powdered milk Dakar.
Material and methods: Chemical methods were operated to determine the fat contents and in proteins. The liquid chromatography in high performance was used to identify and measure the vitamin D.
Results: The obtained results profits showed that all the studied samples of milk had contents in fat included between 25 and 31 g %, those in proteins were included between 23 and 25 g %. As regards the dosage of the vitamin D, a single sample had content weaker than that mentioned on the packaging by the manufacturer.
Conclusion: The results of this study allowed to notice most of the variety varieties of powdered milk marketed in Dakar were in accordance with the standards established for this food and are consequently good quality.