Kinetic modelling of ultrasound-assisted extraction of phenolics from cereal brans

• DOI: 10.1016/j.ultsonch.2021.105761
• Publication Date: 2021-09-28T06:49:09Z
• Authors: Nataša Milićević; Predrag Kojić; Marijana Sakač; Aleksandra Mišan; Jovana Kojić; Camila Perussello; Vojislav Banjac; Milica Pojić; Brijesh Tiwari
• Keywords: Ultrasound-assisted extraction (UAE); Dietary Fiber; 2. Zero hunger; Extraction kinetics; Acoustics. Sound; QC221-246; Peleg’s model; 04 agricultural and veterinary sciences; Antioxidants; Chemistry; Kinetics; 0404 agricultural biotechnology; Phenols; Ultrasonic Waves; Cereal brans; Animals; Original Research Article; Total phenolic content (TPC); Edible Grain; 0405 other agricultural sciences; QD1-999

Cereal brans are by-products of the milling cereal grains, which mainly used as low value ingredients in animal feed. Wheat and oat bran is a rich source bioactives phytochemicals, especially phenolic compounds. Within this study, application ultrasound (US) technology to assist extraction phenolics from wheat was investigated (20-45 kHz). Peleg's mathematical model study kinetics ultrasound-assisted (UAE) subsequent stirring total compounds (TPC). The surface morphology after studied using SEM analysis. excellent agreement determined between values TPC calculated actual experimental results. constant that represents time required for initial concentration be extracted one-half its has been introduced (K1/2). It shown dependent only on K1/2 enabling fast fitting comparison rates. Moreover, different could indicate differences composition consequently influence US pretreatment these samples.