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Table 4 Fatty acid composition of serum

From: Estrogen and n-3 polyunsaturated fatty acid supplementation have a synergistic hypotriglyceridemic effect in ovariectomized rats

Fatty acids (%)

0 % n-3

1 % n-3

2 % n-3

0 % n-3 + E2

1 % n-3 + E2

2 % n-3 + E2

14:0

0.55 ± 0.04

0.59 ± 0.07

0.63 ± 0.06

0.38 ± 0.03*

0.43 ± 0.03*

0.41 ± 0.04*

16:0

19.81 ± 0.34

19.79 ± 0.47

20.59 ± 0.41

17.78 ± 0.38*

17.98 ± 0.43*

18.72 ± 0.27*

16:1n-7

1.17 ± 0.05

1.13 ± 0.04

1.12 ± 0.06

0.90 ± 0.05*

0.91 ± 0.03*

0.98 ± 0.06*

18:0

15.61 ± 0.34

16.01 ± 0.50

15.40 ± 0.22

17.38 ± 0.51*

17.50 ± 0.38*

17.03 ± 0.17*

18:1n-9

10.74 ± 0.44

10.25 ± 0.71

10.89 ± 0.45

9.13 ± 0.74*

8.74 ± 0.26*

9.32 ± 0.20*

18:2n-6

11.21 ± 0.22

11.88 ± 0.30

11.41 ± 0.25

10.56 ± 0.39

11.48 ± 0.30

11.67 ± 0.21

18:3n-3

0.09 ± 0.01

0.09 ± 0.01

0.10 ± 0.02

0.08 ± 0.01

0.10 ± 0.01

0.10 ± 0.02

20:4n-6

33.03 ± 0.77

26.82 ± 0.77†

21.98 ± 0.73†,††

33.95 ± 0.90

28.05 ± 0.56†

22.67 ± 0.30†,††

20:5n-3

0.40 ± 0.13

3.03 ± 0.18†

6.37 ± 0.48†,††

0.24 ± 0.13

2.79 ± 0.20†

5.50 ± 0.44†,††

22:4n-6

0.42 ± 0.04

0.10 ± 0.01†

0.05 ± 0.01†

0.48 ± 0.03

0.13 ± 0.01†

0.07 ± 0.02†

22:5n-6

2.64 ± 0.35

0.11 ± 0.02†

0.07 ± 0.02†

5.73 ± 0.25*

0.08 ± 0.01†

0.05 ± 0.01†

22:5n-3

0.09 ± 0.05

0.60 ± 0.03†

0.91 ± 0.07†,††

0.07 ± 0.04

0.68 ± 0.03†

1.26 ± 0.14†,††,*

22:6n-3

1.60 ± 0.29

6.72 ± 0.29†

7.97 ± 0.23†,††

1.27 ± 0.05

8.52 ± 0.19†,*

10.25 ± 0.27†,††,*

SFA

36.66 ± 0.31

36.86 ± 0.27

37.03 ± 0.30

36.08 ± 0.26

36.27 ± 0.45

36.39 ± 0.41

MUFA

12.27 ± 0.42

11.92 ± 0.69

12.41 ± 0.45

10.29 ± 0.74*

10.28 ± 0.25*

10.65 ± 0.22*

n-3 PUFA

2.17 ± 0.45

10.44 ± 0.38†

15.36 ± 0.63†,††

1.66 ± 0.12

12.08 ± 0.26†,*

17.12 ± 0.45†,††,*

n-6 PUFA

48.10 ± 0.80

39.77 ± 0.51†

34.27 ± 0.66†,††

51.38 ± 0.65*

40.53 ± 0.50†

35.16 ± 0.24†,††

  1. Values are mean ± SEM; 0, 1, and 2 % n-3, 0, 1, and 2 % EPA + DHA diet with corn oil injection; 0, 1, and 2 % n-3 + E2, 0 % 1 %, and 2 % EPA + DHA diet with E2 injection
  2. PUFA polyunsaturated fatty acid, SFA saturated fatty acid, MUFA monounsaturated fatty acid
  3. * Values are significantly different (P < 0.05) between corn oil and E2 injection for diets containing the same amount of n-3 PUFA
  4. †Values are significantly different (P < 0.05) among 0, 1, and 2 % n-3 within the corn oil- and E2-injected groups
  5. ††Values are significantly different (P < 0.05) between 1 % and 2 % n-3 within the corn oil- and E2-injected groups