CPV code 15413100 designates Oilcake in the Common Procurement Vocabulary (CPV 2008), the EU classification used to describe the subject of public contracts.
15413100 is a leaf code — the most specific level of its branch — so it can be used directly as the main CPV code of a contract notice. If it does not quite fit, check the neighbouring codes under 15413000 (Solid residues of vegetable fats or oils).