Τhe present research proposal aims firstly to the traceability of Greek olive varieties, in order to certify the origin of the final products and, secondly, to the development and application of modern analytical techniques in order to ensure the quality of edible olives (using an alkaline solution or treatment with brine) and the documentation of the health claim for oils that meet the criteria of the EFSA, with aim the protection of consumers from false or misleading labels in olive products and olive oil.