Hamza Harkat is a PhD candidate in Biology and Plant Physiology at Constantine University, Algeria. He is working on a thesis entitled "Valorization of Date Palme Tree (Pheonix dactylifera L.) by Biological Study (biomolecules of fruits, leaves and seeds, genetic diversity of date palm cultivars)". He is also an assistant lecturer at the University of Skikda where he teaches various modules at the Department of Biology including: plant biology, plant cell physiology, and pedology. He has a magister degree in biological basis of plant production from Constantine University, Algeria. His research areas of interest involve: Phytochemical and Plant Analysis; soil analysis; Mineral Nutrition; Antioxidant Activity; and Chromatography (HPLC, GC, Mass Spectrometry).