Green extraction of soluble dietary fibre from coffee silverskin: impact of ultrasound/microwave‐assisted extraction

Coffee silverskin (CSS), a potential source of soluble dietary fibre (8%–11%), is a major coffee by‐product obtained during the coffee roasting process. Ultrasound‐assisted extraction (UAE) and microwave‐assisted extraction (MAE) have been considered as efficient and economic novel extraction techniques. In this study, UAE, MAE and simultaneous ultrasound–microwave‐assisted extraction (UMAE) techniques were investigated for soluble dietary fibre...