Optimization Conditions of Ultrasound-Assisted Extraction for Phenolic Compounds and Antioxidant Activity from <i>Rubus alceifolius</i> Poir Leaves

<div>3D surface plot of relationships between ultrasonic parameters and TPC and ABTS: (a, d) given extraction time of 30 min; (b, e) given extraction temperature of 45°C; and (c, f) given ultrasonic power of 300 W.</div>

International Journal of Food Science

fig3

Figure 3

Figure 3: Optimization Conditions of Ultrasound-Assisted Extraction for Phenolic Compounds and Antioxidant Activity from <i>Rubus alceifolius</i> Poir Leaves 

Figure 3 | Optimization Conditions of Ultrasound-Assisted Extraction for Phenolic Compounds and Antioxidant Activity from Rubus alceifolius Poir Leaves 