In scientific journals

  1. Costas S. Papageorgiou, Stathis Lymberopoulos, Panagiotis Bakas, Dimitris P. Zagklis, Varvara Sygouni, Christakis A. Paraskeva, Hydroxytyrosol Enrichment of Olive Leaf Extracts via Membrane Separation Processes Membranes, 2022, 12 (11), 1027,
  2. Costas S. Papageorgiou, Paraskevi Lyri, Ioanna Xintaropoulou, Ioannis Diamantopoulos, Dimitris P. Zagklis, Christakis A. Paraskeva High-Yield Production of a Rich-in-Hydroxytyrosol Extract from Olive (Olea europaea) Leaves. Antioxidants, 2022, 11(6), 1042,
  3. Andreas D. Zentelis, Michael P. Kodjapashis, Nikodimos Kotrotsos, Dimitris P. Zagklis, Varvara Sygouni, Fotini N. Lamari, Christakis A. Paraskeva, “Separation, isolation, and enrichment of samples of phenolic compounds from winemaking by-products” Sustainability 2023, 15(16), 12221; 


Book Chapter

  1. Zagklis, D.P., Papageorgiou, C.S., Paraskeva, C.A. Valorization of phenolic extracts from Olea europaea L. by membrane operations. Membrane Engineering in the Circular Economy: Renewable Sources Valorization in Energy and Downstream Processing in Agro-food Industry, 2022, pp. 495–524,  .