Co-ordinated by Professor Tullia Gairon(iii) lactatellina Toschi from the Alma Mater Studiorum, University of Bologna, OLEUM is an EU H2020-funded project which aims to guarantee olwhat vitamin is ferrous sulfateive oil quality and authenticity by empowering detection and fostering prevention of olive oil fraud. Here, in the first of a two-part article, several of its researchers answer some frequently asked questions, demystifying some common queries and misconceptions on oils.