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

Table 2

Actual and predicted results for the extraction yields of RU and QU.

RunActual valuesPredicted values
The extraction yield of RU (mg/g)The extraction yield of QU (mg/g)The extraction yield of RU (mg/g)The extraction yield of QU (mg/g)

15.220.235.270.23
23.900.163.930.16
35.310.265.320.26
44.100.194.170.20
55.310.255.130.24
64.910.244.930.24
75.180.245.280.25
85.410.265.320.26
93.260.143.110.14
104.830.224.740.23
115.450.275.320.26
123.740.213.990.22
133.860.193.750.19
144.460.214.330.21
155.220.255.320.26
165.180.265.320.26
174.270.164.360.17
185.360.255.320.26
194.920.234.910.22
202.910.142.970.14