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Table 5 Composition of muscle lipids

From: β3-adrenoceptor agonist prevents alterations of muscle diacylglycerol and adipose tissue phospholipids induced by a cafeteria diet

% mole fatty acids

REF

CAF

CAF-ZD

Phospholipids

   

Palmitic acid (16:0)

27.87 ± 0.50

26.17 ± 0.29

26.44 ± 0.57

Stearic acid (18:0)

20.21 ± 0.64

22.37 ± 0.54 *

21.64 ± 0.58

Oleic acid (18:1n-9)

6.84 ± 0.21

9.13 ± 0.48 **

9.12 ± 0.24 **

Linoleic acid (18:2n-6)

13.09 ± 0.65

8.98 ± 0.51**

9.02 ± 0.28 **

Arachidonic acid (20:4n-6)

11.64 ± 0.46

15.07 ± 0.53**

14.11 ± 0.22 **

Docosatetraenoic acid (22:4n-6)

ND

0.61 ± 0.04

0.51 ± 0.02

Adrenic acid (22:5n-3)

2.04 ± 0.07

2.44 ± 0.18

2.10 ± 0.09

Docosahexaenoic acid (22:6n-3)

18.30 ± 0.95

15.23 ± 0.52 *

16.09 ± 0.35

Triacylglycerol

   

Myristic acid (14:0)

ND

1.66 ± 0.08

1.53 ± 0.06

Palmitic acid (16:0)

37.13 ± 2.06

25.26 ± 0.95 **

25.15 ± 0.81 **

Stearic acid (18:0)

7.94 ± 0.31

9.36 ± 0.45 *

9.38 ± 0.65

Palmitoleic acid (16:1n-7)

ND

1.51 ± 0.14

1.31 ± 0.13

Oleic acid (18:1n-9)

29.00 ± 0.94

51.36 ± 1.83 **

50.14 ± 0.93 **

Linoleic acid (18:2n-6)

25.00 ± 1.98

10.86 ± 0.83 **

12.47 ± 0.66 **

Diacylglycerol

   

Myristic acid (14:0)

1.92 ± 0.09

1.75 ± 0.07

1.85 ± 0.05

Palmitic acid (16:0)

25.55 ± 0.86

22.42 ± 1.22

24.88 ± 0.62

Stearic acid (18:0)

6.71 ± 0.45

8.74 ± 0.63 *

9.71 ± 0.08 **

Palmitoleic acid (16:1n-7)

2.58 ± 0.20

1.59 ± 0.14 **

1.26 ± 0.07 **

Oleic acid (18:1n-9)

28.90 ± 1.24

52.88 ± 1.25 **

46.45 ± 1.61 ** ++

Nervonic acid (24:1n-9)

3.92 ± 1.93

1.24 ± 0.42

2.71 ± 0.88

Linoleic acid (18:2n-6)

26.96 ± 2.22

10.14 ± 2.04 **

8.05 ± 0.69 **

α-linolenic acid (18:3n-3)

1.12 ± 0.18

ND

ND

Stearidonic acid (18:4n-3)

ND

ND

1.90 ± 0.41

Arachidonic acid (20:4n-6)

0.78 ± 0.06

0.46 ± 0.06 **

0.26 ± 0.04 ** +

  1. Data are the mean ± SEM. Values significantly different from those obtained in the group of rats fed a chow diet (REF) are indicated by * (p < 0.05) and ** (p < 0.01). Data measured in the group of rats treated with ZD7114 (CAF-ZD) and significantly different from those in the group of rats fed a cafeteria diet (CAF) are shown by + (p < 0.05) and ++ (p < 0.05). Fatty acids representing more than 1% in at least one group are presented.