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Table 5 Effects of supplementation with soybean oil, antioxidant or soybean oil plus antioxidant on volatile profiles in subcutaneous fat tissues of fattening lambs

From: Effect of dietary soybean oil and antioxidants on fatty acids and volatile compounds of tail subcutaneous and perirenal fat tissues in fattening lambs

Component

Abb.a

RIb

CSIDc

Diet

RMSE

P-value

C

A

O

AO

O

A

O*A

Aldehydes

   

36.5

36.4

35.0

32.6

14.50

0.61

0.81

0.82

 Hexanal

Ad1

798

5949

-

0.7

1.9

-

 

-

-

-

 E-2-Heptenal

Ad2

955

4446437

1.3

1.2

1.1

0.8

1.06

0.41

0.62

0.82

 Phenylacetaldehyde

Ad3

1040

13876539

2.1

2.1

2.0

1.6

1.35

0.49

0.68

0.64

 E-2-Octenal

Ad4

1056

4446445

1.6

2.0

1.4

3.4

2.99

0.57

0.29

0.47

 Nonanal

Ad5

1104

29029

12.1

13.5

14.3

7.2

8.07

0.48

0.33

0.14

 E-2-Nonenal

Ad6

1157

4446456

12.3

11.1

8.0

8.6

6.45

0.15

0.92

0.70

 E,E-2,4-Decadienal

Ad7

1295

4446470

4.1

3.4

4.0

4.1

2.26

0.67

0.72

0.60

 2-Undecenal

Ad8

1368

4446477

3.0

2.5

2.3

7.0

6.46

0.42

0.38

0.27

Esters

   

34.4

39.1

39.8

42.5

14.36

0.40

0.48

0.84

 Ethyl octanoate

Es1

1193

7511

1.8

1.1

1.0

4.7

4.35

0.36

0.34

0.16

 Methyl decanoate

Es2

1328

7759

3.0

1.1

1.3

5.0

5.70

0.59

0.67

0.17

 Ethyl cyclohexanepropanoate

Es3

1345

55387

5.1

9.8

6.5

5.0

7.00

0.50

0.54

0.22

 Methyl 2,8-dimethyldecanoate

Es4

1353

487217

3.0

2.9

1.1

1.1

2.17

0.02

0.90

0.96

 Ethyl 9-decenoate

Es5

1389

455568

3.2

2.0

2.8

1.8

1.91

0.64

0.12

0.89

 Ethyl caprinate

Es6

1398

7757

2.1

5.0

12.0

7.4

10.33

0.11

0.83

0.31

 Methyl 2,4,6-trimethylundecanoate

Es7

1487

487035

0.3

0.3

0.5

0.5

0.34

0.14

0.78

0.85

 Methyl undecanoate

Es8

1490

14847

2.0

2.6

1.5

1.9

1.57

0.28

0.42

0.85

 Ethyl 9-oxononanoate

Es9

1537

17861

-

3.6

-

-

 

-

-

-

 Methyl laurate

Es10

1554

7847

0.8

0.7

0.7

0.8

0.48

0.81

0.78

0.58

 Ethyl laurate

Es11

1597

7512

3.3

1.2

1.9

2.4

2.87

0.92

0.43

0.20

 Geranyl isovalerate

Es12

1606

4515295

0.8

1.3

0.7

0.8

0.79

0.27

0.23

0.51

 Methyl 2,6-dimethyltridecanoate

Es13

1651

487205

1.1

2.1

2.0

1.6

1.70

0.70

0.67

0.28

 Methyl myristate

Es14

1769

29024

2.2

1.8

3.5

2.4

2.97

0.38

0.45

0.73

 Ethyl myristate

Es15

1793

29023

5.6

3.6

4.3

7.1

7.68

0.69

0.89

0.39

Acids

   

8.1

10.7

12.4

14.7

5.11

0.03

0.20

0.92

 (2E)-2-Methyl-2-nonenoic acid

Ac1

1269

4724999

1.7

1.4

2.8

2.1

2.20

0.28

0.52

0.79

 Decanoic acid

Ac2

1355

2863

2.2

3.0

4.5

6.1

4.00

0.07

0.42

0.76

 Undecanoic acid

Ac3

1465

7888

0.5

0.7

0.8

0.9

0.48

0.15

0.23

0.74

 Lauric acid

Ac4

1537

3756

-

1.5

1.4

1.7

 

-

-

-

 Tridecylic acid

Ac5

1621

12013

0.7

2.0

1.2

0.9

1.49

0.57

0.33

0.17

Alcohols

   

12.8

9.0

8.9

8.1

6.22

0.29

0.30

0.50

 Heptan-1-ol

Al1

969

7837

4.0

3.0

3.8

2.7

3.91

0.86

0.47

0.94

 1-Octanol

Al2

1069

932

1.1

1.1

1.1

1.1

0.96

0.91

0.99

0.89

 2-Methyl-1-dodecanol

Al3

1492

38544

4.4

2.0

2.2

2.8

3.87

0.62

0.50

0.28

 2-Hexyl-1-decanol

Al4

1790

86034

3.4

2.9

1.8

1.5

1.78

0.03

0.55

0.96

Others

   

8.2

4.8

3.8

2.2

3.50

0.01

0.06

0.46

 Toluene

Ot1

762

1108

3.7

0.9

1.4

-

 

-

-

-

 2-Pentadecanone

Ot2

1696

55242

4.7

3.8

2.4

2.1

2.42

0.03

0.48

0.71

  1. aAll volatile compounds were grouped according to chemical categories. Ad, Ac, Al, Es and Ot are abbreviations for the aldehyde, acid, alcohol, ester and “other” groups, respectively, the same as in Table 6
  2. bRI, retention indices of individual compounds relative to C6-C25 n-alkanes, the same as in Table 6
  3. cCSID, ChemSpider ID of each chemical (http://www.chemspider.com/), the same as in Table 6