Table 3 Gas–liquid chromatographic analysis of bio rayeb fatty acids content at day one and end of storage.

From: Impact of mixing coriander oil with goat feed on the chemical, microbiological and sensory characterizations of bio rayeb milk

Treatments

Symbol

C

T1

T2

Type

Raw milk

Bio rayeb

Sig

raw milk

Bio rayeb

Sig

Raw milk

Bio rayeb

Sig

Fatty acids

 SFAs

  Butyric acid

C4:0

4.99a

0.23b

S

0.47

0.53

NS

0.43

0.63

NS

  Caproic acid (goaty)

C6:0

2.09a

0.24b

S

1.02

1.06

NS

3.05

1.12

NS

  Caprylic acid

C8:0

2.14b

11.3a

S

2.31

2.15

NS

2.42

2.81

NS

  Capric acid

C10:0

3.96b

29.0a

S

8.18

6.74

NS

5.81

10.4

NS

  Undecanoic acid

C11:1

11.9a

0.21b

S

2.26

0.12

NS

10.9a

0.19b

S

  Lauric acid

C12:0

1.27b

10.8a

S

3.01

2.68

NS

3.16

4.53

NS

  Tridecanoic acid

C13:0

1.31

0.53

NS

0.20

0.13

NS

1.84

0.26

NS

  Myristic acid

C14:0

4.41

3.19

NS

9.14

8.76

NS

9.00

11.6

NS

  Pentadecanic acid

C15:0

0.56

1.69

NS

1.33

1.44

NS

0.76

1.44

NS

  Palmitic acid

C16:0

32.1

28.7

NS

27.6

25.7

NS

21.5b

28.8a

S

  Heptadecanic acid

C17:0

0.85

1.00

NS

1.07

1.07

NS

0.76

1.22

NS

  Stearic acid

C18:0

10.5a

3.09b

S

12.3a

2.52b

S

9.03

3.66

NS

  Arachidic acid

C20:0

0.77

0.67

NS

0.34

0.32

NS

0.32

0.18

NS

  Behanic acid

C22:0

1.54

ND

-

0.32

ND

-

0.79

0.17

NS

 PUFA’s

  Myristoleic acid

C14:1

0.04

ND

-

0.09

0.05

NS

0.14

0.11

NS

  Heptadecanoic acid

C17:1

0.15

0.26

NS

0.21

0.37

NS

0.29

0.38

NS

  Linoleic acid

C18:2 n-6

1.27b

3.21a

S

2.88

3.17

NS

2.90

3.94

NS

  Linolelaidic acid

C18:2 t/n-6

0.17

0.21

NS

0.19

0.14

NS

0.24

0.15

NS

  Arachdonic acid

C20:4 n-6

0.52

ND

-

0.23

0.25

NS

0.04b

0.67a

S

  Erucic acid

C22:1 n-9

0.22

0.15

NS

ND

0.01

-

0.02

ND

 MUFA’s

  Palmitoleic acid

C16:1 n-7

0.89

1.22

NS

1.24

1.99

NS

0.48b

1.93a

S

  Oleic acid

C18:1 n-9

12.4

18.3

NS

21.0

26.3

NS

22.1

20.2

NS

Summary of the essential fatty acid parameters of fat extracted from Treatments

 SFAs

 

75.6

90.5

NS

69.4a

53.3b

S

69.4

67.0

NS

 UFAs

 

15.5

23.3

NS

25.7

32.3

NS

25.9

27.4

NS

 MUFAs

 

13.7

19.9

NS

22.5

28.7

NS

22.8

22.6

NS

 PUFAs

 

1.82

3.42

NS

3.25

3.57

NS

3.09b

4.77a

S

 PUFAs:MUFAs ratio

 

13.7

17.0

NS

14.5

12.4

NS

13.6b

21.1a

S

 UFAs:SFAs ratio

 

21.2

25.7

NS

37.3b

60.6a

S

37.4

41.2

NS

  1. SFAs saturated fatty acids, UFAs unsaturated fatty acids, MUFAs monounsaturated fatty acids, PUFAs polyunsaturated fatty acids, Sig significance, S significance, NS non-significance, ND non-detected.