Research Article

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

Figure 3

Effect of ionic liquids anions (a) and cations (b) on the extraction yields of RU and QU. Error bars indicate standard deviation ().
283024.fig.003a
(a)
283024.fig.003b
(b)