Journals
Publish with us
Publishing partnerships
About us
Blog
Mathematical Problems in Engineering
+
Journal Menu
Journal overview
For authors
For reviewers
For editors
Table of Contents
Special Issues
Submit
Mathematical Problems in Engineering
/
2018
/
Article
/
Tab 8
Research Article
Optimization of Microwave Vacuum Drying and Pretreatment Methods for
Polygonum cuspidatum
Table 8
Variance analysis of the retention of polydatin.
Indicator compounds
Source of variation
Sum of squares
Degree of freedom
Mean square
F
value
Sig.
Polydatin
0.991
Pretreatment
88.853
2
44.427
89.450
0.011
Vacuum pressure
9.291
2
4.646
9.354
0.097
Temperature of inner material
15.266
2
7.633
15.369
0.061
Emodin
0.939
Pretreatment
27.766
2
13.883
2.273
0.306
Vacuum pressure
1.646
2
0.823
0.135
0.881
Temperature of inner material
157.277
2
78.639
12.873
0.072
Physcion
0.944
Pretreatment
0.001
2
0.000
0.535
0.652
Vacuum pressure
0.002
2
0.001
1.421
0.413
Temperature of inner material
0.016
2
0.008
14.791
0.063
Resveratrol
0.865
Pretreatment
0.008
2
0.004
0.543
0.648
Air pressure
0.006
2
0.003
0.428
0.700
Temperature of inner material
0.082
2
0.041
5.418
0.156