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Table 7 The effect of feeding growing female rats different sources of omega-3 polyunsaturated fatty acids on gonadal and retroperitoneal adipose tissue fatty acid profile

From: Different sources of omega-3 polyunsaturated fatty acids affects apparent digestibility, tissue deposition, and tissue oxidative stability in growing female rats

 

Treatments

Fatty Acid Measurement1

CO

FO

KO

MO

SO

TO

Gonadal Fat Pad

      

n-3 PUFA

1.3 ± 0.2c

81.7 ± 6.8a

21.5 ± 2.6b

21.6 ± 2.0b

9.5 ± 2.8bc

13.5 ± 2.4bc

ALA (18:3n-3)

1.3 ± 0.2b

80.9 ± 6.6a

3.1 ± 0.4b

5.0 ± 0.4b

1.1 ± 0.2b

2.0 ± 0.4b

EPA (20:5n-3)

ND

0.7 ± 0.2c

9.7 ± 1.3a

5.6 ± 0.9b

4.2 ± 1.4bc

1.9 ± 0.4bc

DHA (22:6n-3)

ND

0.07 ± 0.02c

8.7 ± 1.2ab

10.9 ± 1.0a

4.2 ± 1.2bc

9.7 ± 2.0a

n-6 PUFA

107.9 ± 14.1a

59.8 ± 5.8b

17.0 ± 2.0c

21.0 ± 1.8c

8.0 ± 1.4c

11.6 ± 2.2c

LA (18:2n-6)

106.5 ± 13.9a

59.4 ± 5.6b

15.5 ± 1.9c

19.5 ± 1.7c

6.5 ± 1.3c

8.5 ± 1.6c

ARA (20:4n-6)

1.4 ± 0.2b

0.5 ± 0.1b

1.6 ± 0.2b

1.5 ± 0.1b

1.4 ± 0.3b

3.1 ± 0.7a

Retroperitoneal Fat Pad

      

n-3 PUFA

2.9 ± 0.2c

149.4 ± 15.1a

45.7 ± 6.9b

37.9 ± 5.1b

20.4 ± 4.3bc

23.1 ± 3.6bc

ALA (18:3n-3)

2.9 ± 0.2b

148.4 ± 15.1a

5.0 ± 0.6b

8.0 ± 0.7b

2.7 ± 0.3b

2.8 ± 0.6b

EPA (20:5n-3)

ND

1.0 ± 0.2c

19.9 ± 3.1a

10.8 ± 1.6b

10.5 ± 2.3b

3.2 ± 0.7bc

DHA (22:6n-3)

ND

ND

20.7 ± 3.9a

23.3 ± 2.1a

9.4 ± 1.9b

17.0 ± 2.8ab

n-6 PUFA

211.3 ± 25.4a

97.7 ± 10.3b

34.4 ± 4.9c

33.6 ± 5.0c

14.8 ± 2.8c

13.9 ± 1.8c

LA (18:2n-6)

208.9 ± 25.2a

97.2 ± 10.3b

32.1 ± 4.9c

34.4 ± 3.4c

14.6 ± 2.5c

11.4 ± 1.7c

ARA (20:4n-6)

2.4 ± 0.3ab

0.5 ± 0.1c

2.3 ± 0.3ab

2.9 ± 0.2a

1.8 ± 0.2b

2.5 ± 0.2ab

  1. 1Values are expressed as mean (mg FA/g tissue) ± SEM of n = 10 rats/group. Different superscript letters a, b, c within the same rows indicate significant differences at P < 0.05 by one-way ANOVA followed by Tukey's test. Abbreviations are CO, corn oil; FO, flaxseed oil; KO, krill oil; MO, menhaden oil; SO, salmon oil; TO, tuna oil; PUFA, polyunsaturated fatty acids; ALA, α-linolenic acid; EPA, eicosapentaenoic acid; DHA, docosahexaenoic acid; LA, linoleic acid; ARA, arachidonic acid; ND, not detectable.