Skip to main content

Table 6 Mitochondrial fatty acid profiles (% of total fatty acids) from rats fed experimental diets for 2 or 6 months.

From: Effects of alpha-linolenic acid vs. docosahexaenoic acid supply on the distribution of fatty acids among the rat cardiac subcellular membranes after a short- or long-term dietary exposure

Duration (months)

2

2

2

6

6

6

 

Dietary groups

CTL

DHA

ALA

CTL

DHA

ALA

 

Fatty acids

      

CI

16:0

10.5 ± 0.37b

12.5 ± 0.51a

11.9 ± 0.13a

10.2 ± 0.33

11 ± 1.14**

10.9 ± 0.07

-

18:0

23.2 ± 0.29

22.3 ± 0.32

22.8 ± 0.12

21.4 ± 0.32ab

21 ± 2.22b *

22.5 ± 0.14a

-

18:1 n-9

5.4 ± 0.51

5.2 ± 0.35

6 ± 0.18

4.8 ± 0.11

3.8 ± 0.46*

4.7 ± 0.13*

-

18:1 n-7

3 ± 0.06a

2.3 ± 0.05b

2.8 ± 0.05c

2.4 ± 0.03a ***

1.9 ± 0.16b ***

2.6 ± 0.06a ***

-

18:2 n-6

22.7 ± 0.66b

17.4 ± 0.94c

23 ± 0.32a

25.4 ± 0.59b ***

21.2 ± 2.19c ***

27.6 ± 0.53a ***

-

18:3 n-3

<0.01b

<0.01b

1.6 ± 0.06a

<0.01b

<0.01b

1.3 ± 0.04a ***

-

20:4 n-6

23.1 ± 0.73a

11.1 ± 0.26c

14.8 ± 0.37b

24.8 ± 0.34a *

11.6 ± 1.45b

14.2 ± 0.48c

-

20:5 n-3

<0.01

0.9 ± 0.04

1.3 ± 0.07

<0.01

1.0 ± 0.12b

1.4 ± 0.05a

-

22:4 n-6

1.4 ± 0.05a

<0.01b

<0.01b

1.3 ± 0.04a

<0.01b

<0.01b

-

22:5 n-6

3.2 ± 0.24a

0.7 ± 0.14b

<0.01c

2.9 ± 0.23a

0.7 ± 0.09b

<0.01c

-

22:5 n-3

0.7 ± 0.03b

0.9 ± 0.05b

3.7 ± 0.08a

0.7 ± 0.02b

0.7 ± 0.09b ***

3.6 ± 0.06a

-

22:6 n-3

4.4 ± 0.28c

24.5 ± 0.97a

9.4 ± 0.25b

3.4 ± 0.10c ***

20.4 ± 2.73a ***

8.2 ± 0.35b

-

SFA

34.4 ± 0.21

35.5 ± 0.36

35.4 ± 0.14

32.5 ± 0.46

32.9 ± 1.02**

34.6 ± 0.12

-

MUFA

9.3 ± 0.6

8.4 ± 0.46

9.8 ± 0.26

8.4 ± 0.20a

6.7 ± 0.45b ***

8.4 ± 0.22a

-

PUFA

56.3 ± 0.74

56.1 ± 0.72

54.8 ± 0.37

59.1 ± 0.63

56.2 ± 2.06

57.0 ± 0.22

-

n-6 PUFA

51 ± 0.52a

29.7 ± 1.19b

38.7 ± 0.19c

54.8 ± 0.66a ***

33.9 ± 1.04b ***

42.5 ± 0.42c ***

-

n-3 PUFA

5.2 ± 0.30c

26.4 ± 1.01a

16.1 ± 0.30b

4.2 ± 0.11c

22.3 ± 1.39a ***

14.8 ± 0.36b

-

LA/AA

1.0 ± 0.06b

1.6 ± 0.07a

1.6 ± 0.06a

1.0 ± 0.02b

1.8 ± 0.06a **

2.0 ± 0.09a **

$

AA/DHA

5.3 ± 0.22a

0.5 ± 0.03c

1.6 ± 0.04b

7.4 ± 0.27a ***

0.6 ± 0.04c

1.8 ± 0.11b

$

n-6/n-3 ratio

9.9 ± 0.48a

1.1 ± 0.09c

2.4 ± 0.05b

13.1 ± 0.43a ***

1.5 ± 0.09c

2.9 ± 0.10b

$

P/S ratio

1.6 ± 0.03

1.6 ± 0.04

1.6 ± 0.02

1.8 ± 0.05a ***

1.7 ± 0.02a

0.6 ± 0.01b

$

  1. SFA. MUFA. and PUFA. saturated. monounsaturated. and polyunsaturated FA; CTL. n-3 PUFA free diet; DHA. docosahexaenoic acid-rich diet; ALA. alpha linolenic acid-rich diet.
  2. Data are means ± SEM. n = 6. Dietary effect (CTL versus DHA versus ALA) was compared in rats from the same dietary treatment duration and values with different letters are statistically different. a>b>c. p < 0.01. Time effect (2 months versus 6 months) was compared between rats from the same dietary group. with * = p < 0.05; ** = p < 0.01. *** = p < 0.001). Symbol $ denoted significant cross-interaction. p < 0.05.