水平

乙醇浓度/%

固液比/(g/mL)

提取温度/℃

提取时间/h

PEO产率/%

1

1

1

1

1

15.79 ± 0.95

2

1

2

2

2

20.85 ± 1.25

3

1

3

3

3

22.03 ± 1.54

4

1

4

4

4

20.01 ± 1.21

5

2

1

2

3

21.23 ± 1.73

6

2

2

1

4

20.54 ± 1.03

7

2

3

4

1

21.72 ± 1.95

8

2

4

3

2

22.13 ± 1.77

9

3

1

3

4

23.07 ± 0.89

10

3

2

4

3

23.26 ± 1.16

11

3

3

1

2

22.52 ± 1.68

12

3

4

2

1

22.59 ± 1.81

13

4

1

4

2

22.36 ± 1.33

14

4

2

3

1

23.12 ± 1.62

15

4

3

2

4

24.37 ± 1.95

16

4

4

1

3

23.68 ± 1.18

K1

19.670

20.612

20.633

20.805

K2

21.405

21.943

22.260

21.965

K3

22.860

22.660

22.587

22.550

K4

23.383

22.102

21.838

21.997

R

3.713

2.048

1.954

1.745

最佳

A4

B3

C3

D3