Table 3

Phenotypic traits characterizing fatty acid composition in skeletal muscle

Trivial name

Abbreviation

Mean of absolute

content (mg/100 g)

SD

Mean of relative

content (%)

SD


Lauric acid

C12:0

2.83*

1.80

0.10

0.04

Myristoleic acid

C14:1cis-9

18.53

17.85

0.62

0.31

Myristic acid

C14:0

92.12*

65.50

3.10*

0.66

Palmitoleic acid

C16:1cis-9

109.33*

76.59

3.73

0.83

Palmitic acid

C16:0

823.94*

490.88

28.77

1.86

Heptadecenoic acid

C17:1cis-10

23.48*

12.51

0.85

0.18

Margaric acid

C17:0

34.94*

18.13

1.26*

0.25

Stearic acid

C18:0

373.40*

199.95

4.96*

1.80

Oleic acid

C18:1cis-9

981.37*

578.52

34.35

2.60

Vaccenic acid

C18:1cis-11

43.60*

30.60

13.41

1.65

trans Vaccenic acid

C18:1trans-11

28.40*

20.18

1.52*

0.33

Linoleic acid (LA)

C18:2n-6

121.45*

29.94

0.99*

0.43

Linolelaidic acid

C18:2trans-9, trans-12

4.11*

3.39

0.11

0.13

Conjugated linoleic acid

CLAcis-9, trans-11

5.99*

4.73

0.20

0.09

α-Linolenic acid (ALA)

C18:3n-3

12.99

4.97

0.50*

0.14

Stearidonic acid (SDA)

C18:4n-3

2.70

3.36

0.15

0.10

Arachidic acid

C20:0

2.94

1.90

0.11

0.06

Eisosenoic acid

C20:1n-9

4.21*

2.80

0.35

0.15

Eisosatrienoic acid (ETE)

C20:3n-3

8.15*

1.86

0.11*

0.05

Arachidonic acid (AA)

C20:4n-6

33.89

7.60

1.48*

0.74

Timnodonic acid, EPA

C20:5n-3

2.41*

0.70

0.14*

0.03

Erucic acid

C22:1n-9

0.46*

0.24

0.02*

0.01

Adrenic acid

C22:4n-6

6.20

1.53

0.28

0.13

Clupadonic acid, DPA

C22:5n-3

6.51*

1.34

0.26*

0.11

Cervonic acid, DHA

C22:6n-3

0.92

0.45

0.04

0.03

Lignoceric acid

C24:0

0.82

0.44

0.03*

0.02

∑ Saturated fatty acids

SFA

1352.06*

777.93

47.55

2.38

∑ Unsaturated fatty acids

UFA

1463.62*

777.61

52.45

2.38

∑ Polyunsaturated fatty acids

PUFA

208.34*

44.62

8.57*

3.02

∑ Monounsaturated fatty acids

MUFA

1208.85*

726.67

42.19*

3.16

∑ trans fatty acids

TFA

43.92*

24.70

1.58

0.47

∑ n-3 fatty acids

n-3FA

24.75

6.42

1.01*

0.35

∑ n-3 long-chain PUFA

n-3 LCPUFA

9.58

2.21

0.42*

0.20

∑ n-6 fatty acids

n-6FA

167.28*

34.88

6.94

2.64

∑ n-6 long-chain PUFA

n-6 LCPUFA

40.09

8.62

1.78

0.85

∑ Total fatty acids

FA

2743.81*

1524.08

Ratio n-6/n-3

n-6/n-3

6.96

1.42

Ratio MUFA/SFA

MUFA/SFA

0.89

0.09

Ratio PUFA/SFA

PUFA/SFA

0.18*

0.07

Ratio P/S

P/S

0.12*

0.05

Ratio C18:2n-6/C18:3n-3

LA/ALA

9.86*

2.51

Δ9-desaturase index MUFA

Δ9MUFA

46.39

2.56

Δ9-desaturase index C14

Δ9C14

16.31

6.65

Δ9-desaturase index C16

Δ9C16

11.40

2.08

Δ9-desaturase index C18

Δ9C18

72.16

3.34

Intramuscular fat content

IMF

2.56

1.13


SD: standard deviation

*Data displaying distributions significantly different from normality (p < 0.01) were log-transformed.

SFA = C12:0 + C14:0 + C16:0 + C17:0 + C18:0 + C20:0 + C24:0

MUFA = C14:1 + C16:1 + C17:1 + C18:1 + C20:1 + C22:1 + C18:1cis-9 + C18:1cis-11 + C18:1trans-11

UFA = MUFA + PUFA

Total FA = sum of all fatty acids determined

n-3FA = C18:3n-3 + C18:4n-3 + C20:3n-3 + C20:5n-3 + C22:5n-3 + C22:6n-3

n-6FA = C18:2n-6 + C18:3n-6 + C20:2n-6 + C20:3n-6 + C20:4n-6 + C22:2n-6 + C22:4n-6

PUFA = n-3FA + n-6FA

n-3 LC-PUFA = C20:3n-3 + C22:6n-3 + C22:5n-3 + C20:5n-3

TFA = C18:1trans-11 + C18:2trans-9, trans-12

LA/ALA = C18:2n-6/C18:3n-3

P/S = C18:2 n-6 + C18:3 n-3/C14:0 + C16:0 + C18:0

Δ9MUFA = [(C14:1 + C16:1 + C17:1 + C18:1cis-9 + CLAcis-9, trans-11)/(C14:1 + C16:1 + C17:1 + C18:1cis-9 +

C18:1trans-11 + C14:0 + C16:0 + C17:0 + C18:0 + CLAcis-9, trans-11)] × 100

Δ9C14 = [C14:1/(C14:0 + C14:1)] × 100

Δ9C16 = [C16:1/(C16:0 + C16:1)] × 100

Δ9C18 = [(C18:1cis-9 + CLAcis-9, trans-11/(C18:0 + C18:1cis-9 + C18:1trans-11 + CLAcis-9, trans-11)] × 100

Widmann et al. BMC Genetics 2011 12:96   doi:10.1186/1471-2156-12-96

Open Data