Optimization of Ionic Liquid Based Simultaneous Ultrasonic- and Microwave-Assisted Extraction of Rutin and Quercetin from Leaves of Velvetleaf (<i>Abutilon theophrasti</i>) by Response Surface Methodology

<table>The effect of the concentrations of [C4mim]Br (A), extraction temperature (B), extraction time (C), liquid-solid ratio (D), and microwave power (E) on the extraction yields of RU and QU.</table>

The Scientific World Journal

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Figure 4

Figure 4: Optimization of Ionic Liquid Based Simultaneous Ultrasonic- and Microwave-Assisted Extraction of Rutin and Quercetin from Leaves of Velvetleaf (<i>Abutilon theophrasti</i>) by Response Surface Methodology 

Figure 4 | Optimization of Ionic Liquid Based Simultaneous Ultrasonic- and Microwave-Assisted Extraction of Rutin and Quercetin from Leaves of Velvetleaf (Abutilon theophrasti) by Response Surface Methodology 