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Table 7 D-optimal design arrangement and responses for urea-complexed fraction (UCF) of Jatropha curcas seed oil

From: Selectively increasing of polyunsaturated (18:2) and monounsaturated (18:1) fatty acids in Jatropha curcas seed oil by crystallization using D-optimal design

 

Variables levels

Responses, Y

Run no.

Urea-FAsa(X 1 )

Temp.b(X 2 )

Timec(X 3 )

Y 5 , Yield (%)

C16:0 (%)

C18:0 (%)

Y 6 , SFAs (C16:0+C18:0) (%)

Y 7 , MUFA (C18:1) (%)

Y 8 , LA (C18:2) (%)

1

1

10

8

50.7

25.42

13.97

39.39

48.10

8.13

2

3

0

24

78.6

17.09

9.27

26.36

53.15

19.94

3

2

0

16

64.9

22.62

21.50

44.13

44.89

10.23

4

3

−10

8

67.4

19.34

10.28

29.62

54.11

15.47

5

5

10

24

92.1

14.14

7.36

21.50

45.07

29.34

6

5

−10

24

92.0

20.59

12.43

33.02

55.41

8.37

7

1

10

24

48.7

25.06

14.57

39.64

45.69

11.50

8

1

−10

24

65.7

23.06

12.24

35.31

45.63

15.74

9

5

10

8

91.0

13.52

8.11

21.63

42.61

31.45

10

5

0

16

93.5

14.47

8.91

23.39

44.44

28.68

11

1

−10

16

51.3

19.76

10.39

30.16

45.28

20.83

12

1

0

8

68.8

20.37

11.84

32.21

43.89

20.10

13

5

10

24

95.7

13.40

6.52

19.92

42.38

35.81

14

3

10

16

68.3

20.37

11.08

31.46

56.01

12.10

15

1

10

8

54.3

23.34

13.49

36.84

45.28

14.61

16

5

−10

8

93.2

13.68

8.33

22.01

42.89

30.77

17

5

0

8

79.2

16.61

8.94

25.56

53.00

20.87

18

1

10

16

49.8

28.38

15.89

44.27

43.04

9.46

  1. Notes: C16:0, palmitic acid; C18:0, stearic acid; C18:1, oleic acid; C18:2, linoleic acid; SFAs, saturated fatty acids; MUFA, monounsaturated fatty acid; LA, linoleic acid;
  2. a urea-to-FAs ratio (w/w).
  3. b crystallization temperature (°C).
  4. c crystallization time (h).
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BMC Chemistry

ISSN: 2661-801X

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