Prof. Yordanka Uzunova is an Associate Professor at the Department of Bioorganic Chemistry, Medical University of Plovdiv, Plovdiv, Bulgaria. She received her master’s degree in Chemistry from Paisii Hilendarski University and a PhD in bioorganic chemistry, the chemistry of natural and physiologically active compounds, from the Medical University of Plovdiv. Her research interests are the application of HPLC with UV and MS detection for the analysis of natural and synthetic biologically active substances in different matrices.