Dalia Nafir

Optimization of ultrasound-assisted extraction time and solvent to improve phenolic recovery and antioxidant yield from Nigella sativa oil-extraction waste

This study evaluated the phenolic composition and antioxidant activity of raw Nigella sativa crude seeds (NSC) and their post-oil extraction solid byproducts, including defatted seeds (NSD) and extraction residues (NSR), which are typically considered agro-industrial waste. Ultra...