Table 4 Analysis of variance results for the experimental design.

From: Efficient purification of CrocinI from saffron stigmas using antisolvent precipitation to implications for food technology

Source Prob

Sum of squares

Df1

Mean Square

F-Value

P-Value

Model

1.222E + 011

14

8.731E + 009

4.30

0.00622

A: Concentration

1.671E + 010

1

1.671E + 010

8.23

0.0132

B: Ratio

1.598E + 008

1

1.598E + 008

0.079

0.7834

C: Addition rate

1.455E + 009

1

1.455E + 009

0.72

0.4124

D: Temperature

5.259E + 009

1

5.259E + 009

2.59

0.1315

AB

3.534E + 007

1

3.534E + 007

0.017

0.8970

AC

6.068E + 008

1

6.068E + 008

0.30

0.5938

AD

3.354E + 010

1

3.354E + 010

16.52

0.0013

BC

8.956E + 009

1

8.956E + 009

4.41

0.0557

BD

4.818E + 009

1

4.818E + 009

2.37

0.1474

CD

1.706E + 008

1

1.706E + 008

0.084

0.7765

A2

6.913E + 009

1

6.913E + 009

3.41

0.0878

B2

1.929E + 009

1

1.929E + 009

0.95

0.3474

C2

3.715E + 008

1

3.715E + 008

0.18

0.6758

D2

3.424E + 010

1

3.424E + 010

0.1687

0.0012

Lack of fit

1.709E + 010

10

1.709E + 009

0.55

0.79173

  1. 1DF: degree of freedom; 2significant; 3not significant, Std. Dev.=45050.70, R2 = 0.8225, Adj-R2 = 0.6313.