RT journal article T1 Optimization of the ultrasound-assisted extraction of anthocyanins and total phenolic compounds in mulberry (Morus nigra) pulp A1 Espada Bellido, Estrella A1 Ferreiro González, Marta A1 Carrera Fernández, Ceferino Adrián A1 Palma Lovillo, Miguel A1 García Barroso, Carmelo A1 Fernández Barbero, Gerardo A2 Química Analítica K1 Anthocyanins K1 Box–Behnken design K1 Mulberry K1 Phenolic compounds K1 Ultrasound-assisted extraction AB New ultrasound-assisted extraction methods for the determination of anthocyanins and total phenoliccompounds present in mulberries have been developed. Several extraction variables, including methanolcomposition (50–100%), temperature (10–70 C), ultrasound amplitude (30–70%), cycle (0.2–0.7 s),solvent pH (3–7) and solvent-solid ratio (10:1.5–20:1.5) were optimized. A Box–Behnken design inconjunction with a response surface methodology was employed to optimize the conditions for themaximum response based on 54 different experiments. Two response variables were considered: totalanthocyanins and total phenolic compounds. Extraction temperature and solvent composition werefound to be the most influential parameters for anthocyanins (48 C and 76%) and phenolic compounds(64 C and 61%). The developed methods showed high reproducibility and repeatability (RSD < 5%).Finally, the new methods were successfully applied to real samples in order to investigate the presenceof anthocyanins and total phenolic compounds in several mulberry jams. PB Elsevier SN 1873-7072 YR 2017 FD 2017 LK http://hdl.handle.net/10498/30062 UL http://hdl.handle.net/10498/30062 LA eng DS Repositorio Institucional de la Universidad de Cádiz RD 12-nov-2026