试验号

因素

指标

相对百分 误差(%)

提取条件

DPPH自由基抑制率

X1

X2

X3

Y1 (实验值)

Y2 (预测值)

1

1 (1次)

2 (20)

3 (10)

56.34

57.33

−1.76

2

2 (1次)

4 (40)

6 (13)

57.53

60.80

−5.68

3

3 (2次)

6 (60)

2 (9)

64.29

63.68

0.96

4

4 (2次)

1 (10)

5 (12)

69.52

67.38

3.07

5

5 (3次)

3 (30)

1 (8)

67.18

70.26

−4.59

6

6 (3次)

5 (50)

4 (11)

72.04

73.73

−2.35

7

7 (3次)

7 (70)

7 (14)

74.96

77.20

−2.99