Prof. DJAHRA Ali Boutlelis currently works at University of Eloued- Algeria . Dr Ali Boutlelis does research in phytotherapy and toxicology, Specially by phytosanitary products. for the reserchs wesr about :Antimicrobial Activity Antioxidant, Activity Assa,y Pesticide Toxicity, Phytochemical Analysis, Natural Product Chemistry, Natural Product Isolation, Evaluation of Cytotoxicity. Nanoparticles: Synthesis, Characterization and Application.