Modeling and optimization of phenolic compounds extraction from prickly pear (Opuntia Ficus-Indica) seeds via ultrasound-assisted technique - Amrane-Abider, Meriem; Nerin, Cristina; Canellas, Elena; Benkerrou, Fatiha; Louaileche, Hayette (The Annals of the University Dunarea de Jos of Galati. Fascicle VI - Food Technology, 2018)