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Table 9 Liver neutral lipids fatty acid composition of rats after 7 weeks of treatment

From: The role of Odontella aurita, a marine diatom rich in EPA, as a dietary supplement in dyslipidemia, platelet function and oxidative stress in high-fat fed rats

Diet groups

C

COA

HF

HFOA

p value

Fatty acids (% molar)

14:0

0.95 ± 0.06a

0.88 ± 0.32a

0.51 ± 0.17b

0.64 ± 0.29ab

0.030

16:0

25.53 ± 2.22

24.39 ± 2.73

22.84 ± 0.55

23.07 ± 1.80

N.S

16:1

3.75 ± 1.00a

3.41 ± 0.74a

0.34 ± 0.03b

0.40 ± 0.07b

< 0.001

18:0

6.06 ± 1.76

5.75 ± 2.58

5.42 ± 1.32

4.39 ± 0.86

N.S

18:1n-7 + n-9

35.06 ± 4.60b

35.84 ± 3.57b

32.97 ± 1.90b

41.00 ± 2.48a

0.005

18:2n-6

11.41 ± 1.96b

11.20 ± 2.91b

15.14 ± 1.57a

14.61 ± 1.36a

0.008

18:3n-3

0.46 ± 0.20

0.54 ± 0.16

0.62 ± 0.06

0.65 ± 0.10

N.S

20:1n-9

0.14 ± 0.01c

0.40 ± 0.06a

0.15 ± 0.00c

0.28 ± 0.00b

< 0.001

20:4n-6

3.89 ± 0.45

3.39 ± 0.81

3.27 ± 0.78

3.64 ± 1.44

N.S

20:5n-3

0.13 ± 0.04b

0.33 ± 0.16a

0.15 ± 0.04b

0.19 ± 0.05b

0.011

22:5n-3

0.16 ± 0.03b

0.35 ± 0.10a

0.12 ± 0.01b

0.41 ± 0.15a

< 0.001

22:6n-3

1.09 ± 0.07b

1.58 ± 0.17a

1.02 ± 0.19b

1.14 ± 0.06b

0.004

SFA

32.75 ± 1.26a

31.02 ± 2.41a

28.77 ± 1.65b

28.72 ± 0.9b

0.002

MUFA

38.88 ± 4.19ab

42.15 ± 5.39a

33.60 ± 2.06b

42.97 ± 4.00a

0.007

Total n-3

1.88 ± 0.16b

2.68 ± 0.43a

1.94 ± 0.27b

2.78 ± 0.68a

0.043

Total n-6

14.96 ± 2.01

14.14 ± 2.48

20.40 ± 4.18

19.52 ± 3.55

N.S

Δ9 desaturase index

0.85 ± 0.05

0.86 ± 0.05

0.86 ± 0.03

0.89 ± 0.03

N.S

MUFA / SFA

1.19 ± 0.15b

1.55 ± 0.24a

1.17 ± 0.06b

1.49 ± 0.09a

0.004

n-6 / n-3

7.37 ± 0.94ab

5.56 ± 0.60c

8.44 ± 0.84a

7.25 ± 0.66b

0.001

  1. Results are expressed as mean ± SD (n=5). After a one-way ANOVA, Student–Newman–Keuls (SNK) multiple comparison test, results are arranged in increasing order from left to right: a > b > c (p < 0.05). C, control; COA, control + O. aurita; HF, high fat; HFOA, high fat + O. aurita. N.S: Not significant. Δ9 desaturase index = [18:1n-7 + n-9/(18:0 + 18:1n-7 + n-9)].