Skip to main content

Table 4 Regression coefficients of the predicted quadratic polynomial model for the response variables of the IV mg/g of HYOOA

From: Synthesis and optimization ring opening of monoepoxide linoleic acid using p-toluenesulfonic acid

Variables

Coefficients (ß), IV mg/g (Y 3 )

T

P

Notability

Linear

    

X 1

-2.79

1.54

0.2432

 

X 2

-2.02

0.71

0.4205

 

X 3

7.84

12.32

0.0056

***

X 4

-3.17

1.85

0.2034

 

Quadratic

    

X 11

22.75

16.54

0.0023

***

X 22

-12.57

4.90

0.0513

 

X 33

6.80

1.76

0.2144

 

X 44

-0.30

5.153E-003

0.9442

 

Interaction

    

X 12

10.60

18.35

0.0016

***

X 13

1.76

0.47

0.5064

 

X 14

5.52

5.06

0.0482

**

X 23

-1.24

0.25

0.6247

 

X 24

-3.79

2.23

0.1663

 

X 34

-6.97

7.61

0.0202

**

R 2

0.84

   
  1. Notes: X 1 = OA/MEOA ratio; X 2 = PTSA/MEOA ratio; X 3 = reaction temperature; X 4 = reaction time. ** P < 0.05; *** P < 0.01. T: F test value. See Table 1 for a description of the abbreviations.