Sara LEMMADI is a doctoral student in agri-food technology at the University of Constantine 1. I was valedictorian during my engineering diploma and my master's degree formation. I'm currently preparing my thesis on Saharan plants and the encapsulation of their active biomolecules for incorporation into food matrices. I have experience in the experimental design and optimization of phenolic compound extraction. Sara has experience in microencapsulating bioactive molecules using the spray-drying technique and in food preservation using natural molecules.