Development Nutraceuticals by fruits and vegetables; Biology and Horticultural Technology; Technology and quality of olive oil; Processing and Quality of Olive Products; Phytochemicals from vegetables as dietary supplements; New food products-Sensory assessment; Effect of organic fertilization on technological and quality characteristics of potato and chips before and after frying; Study of chemical, biochemical and physicochemical reactions on nuts during storage; Study and improve the cultivation of pomegranate cultivation aiming to produce high nutritional value juices.