1. Department of Biochemistry, Faculty of Medicine, Harran University, Sanliurfa, Turkey;
2. Department of Chemistry, Faculty of Arts and Sciences, Harran University, Sanliurfa, Turkey;
3. Department of Medical Biochemistry, Faculty of Medicine, Bezmialem Vakif University, Istanbul, Turkey;
4. Neurofarba Dept., Section of Pharmaceutical and Nutriceutical Sciences, Università degli Studi di Firenze, Sesto Fiorentino (Florence), Italy