Optimization of Ultrasound-Assisted Extraction Followed by Macroporous Resin Purification for Maximal Recovery of Functional Components and Removal of Toxic Components from Ginkgo biloba Leaves
Table 1
Real values of the variables in the Plackett-Burman design and experimental data of the yields of flavonoids, ginkgolides. and alkylphenols from G. biloba leaves.
Run
Factors
Responses
A
B
C
D
E
F
G
Y1
Y2
Y3
(%)
(%)
(g)
(min)
(W)
(mesh)
(°C)
(mg/g)
(mg/g)
(mg/g)
1
0.0
80.0
0.5
50.0
400.0
40.0
60.0
18.5± 0.48
8.7± 0.53
11.5± 1.02
2
0.0
80.0
2.0
50.0
100.0
40.0
30.0
15.7± 0.52
6.2± 0.62
9.1± 0.52
3
0.0
50.0
2.0
10.0
400.0
60.0
30.0
20.4± 0.33
5.8± 0.35
6.5± 0.36
4
3.0
50.0
2.0
50.0
100.0
60.0
60.0
19.3± 0.41
4.8± 0.16
5.9± 0.49
5
0.0
50.0
0.5
50.0
100.0
60.0
60.0
18.9± 0.26
4.8± 0.22
4.3± 0.27
6
3.0
50.0
0.5
10.0
400.0
40.0
60.0
20.9± 0.29
5.1± 0.19
6.9± 0.19
7
3.0
80.0
2.0
10.0
100.0
40.0
60.0
16.2± 0.38
5.5± 0.42
8.5± 0.28
8
3.0
80.0
0.5
50.0
400.0
60.0
30.0
19.1± 0.23
8.1± 0.37
12.3± 0.82
9
0.0
50.0
0.5
10.0
100.0
40.0
30.0
18.5± 0.55
3.9± 0.28
4.5± 0.33
10
3.0
50.0
2.0
50.0
400.0
40.0
30.0
20.9± 0.61
4.4± 0.25
7.8± 0.26
11
0.0
80.0
2.0
10.0
400.0
60.0
60.0
18.7± 0.45
9.1± 0.31
9.4± 0.34
12
3.0
80.0
0.5
10.0
100.0
60.0
30.0
16.3± 0.17
5.3± 0.29
10.2± 0.92
A: HAc%; B: EtOH%; C: solid amount; D: extraction time; E: UAE power; F: sample particle size; G: extraction temperature. Y1: the yield of flavonoids; Y2: the yield of ginkgolides; Y3: the yield of alkylphenols.
